other Fluid Motive Power Engines.
Year: 1886

page_text: Date of Application, 25th Aug., 1886.
Complete Left, 25th June, 1887.
Complete Accepted, 29th July, 1887
RESERVE
other Fluid Motive Power Engines.
I GEORGE LEWIS LAMBERT of 26, Albert Terrace Sherwood Rise in the Town and
County of Nottingham Engineer do hereby declare the nature of this Invention to
be as follows :-
My Invention relates to the valves and valve gear of Steam and fluid motive power
Engines generally, but is applicable more especially to the type of Steam Engines and
valve gear for which I obtained Letters Patont No. 4340 of 1877 and No. 3193
of 1881.
I will describe the Invention as applicable to steam Engines from which the
application to other fluid motive power Engines will be also understood.
"Piston
According to one part of my Invention I construct what are known as
valves" for controlling the ingress and egress of the steam to and from the steam
cylinder, with an internal circular passage therethrough from end to end, the area of
which passage I make equal to half the full area of the diameter of the body of the
piston valve. I also provide on the cylindrical external surface of the piston valve an
annular recess or space extending radially all round the external surface of the piston
valve, the area of the said recess being about half the full area of the diameter of the
body of the piston valve. In connection with the above mentioned internal passage
and the external annular recess or space, I provide in the valve chest double rectangular
passages for the ingress and egress of steam to and from the cylinder, in addition to
the usual steam ports. In order that a communication shall be obtained betwixt the
rectangular double passages or portways I form at suitable distances all round the
valve chamber annular spaced Rectangular passages, communicating freely with each
of the said double passages such double passages together with the cylinder inlets or
portways being proportioned so as to be equal to about half the full area of the
diameter of the body of the piston valve so that when the annular space in the piston
valve is brought over the double portways or rectangular spaced passages the cylinder
inlet port in the steam cylinder will be uncovered and steam will pass into the steam
cylinder through and around the external annular recess or spaces in the piston valve
and through the double ports and the internal space or passage in the piston valve and

page_text: also pass by the uncovered end of the piston valve and through the ordinary cylinder
port simultaneously to the interior of the steam cylinder whilst the exhaust steam from
the cylinder will pass in like manner through and by the end of the exhaust valve
which is in every respect similar to the steam valve excepting in the proportions of
its diameter and ports. The exhaust steam in its egress from the steam cylinder will
pass through the internal space in the exhaust valve and also pass by the uncovered
end of the piston valve and through the external annular space or recess therein
simultaneously to the central exhaust ontlet portway.
Another part of my Invention relates to the valve gear denominated" radial cut
off" gear also described and illustrated in the Specifications of my Patents hereinbefore
referred to.
According to my present Invention I use in conjunction with other appliances
(as hereinafter described) two rectangular sliding detents arranged to work freely in
slotted rectangular grooves provided in projections on a double ended lever such lever
being fulcrumed at its centre. The outer ends of this double lever are convex and the
sliding detents are set apart equidistantly from the centre or fulcrum of the said
double ended lever and extend outwards to its full length so as to engage with bites
or teeth provided in the concave end of a lever or disc provided with two separate
radial slots or hollow radial spaces to receive the herein before mentioned convex
end projections of the double ended lever. Two rings or light cylinders are arranged
the one on the right hand side and the other on the left hand side of the said convex
ended lever or disc. Bosses corresponding in diameter to the diameter of the hollow
rings or cylinders are placed one to the right and one to the left on the centre of the
concave ended lover or disc upon which bosses the before mentioned radial convex
double ended lever is mounted. The two lovers are thus connected securely together
so that each lever may move freely and independently of the other, or as in one body
as the case may be. The before mentioned detents are prolonged so as to be able to
engage with the bites or teeth in the concave ended lever, the said detents being
actuated by a double ended detent lever which is centred to the radial convex double
ended lever and actuated by means of rocking steam cams (as described and illustrated
in the Specifications herein before referred to) mounted on the opposite end of the
radial convex double ended lever to that on which the detent lever is mounted.
A journal or pin is provided on this lever or disc and to this pin or journal the steam
valve is connected by a coupling rod or connection for automatically controlling or
regulating the motions of the valve. At a suitable position on the concave rocking
lever or disc is fixed a pin or journal whereby a rocking motion is imparted to it from
either the ordinary eccentric or other motion giving apparatus.
In the centre of the before mentioned bosses on the concave ended lever or disc is
inserted the exhaust valve rocking shaft or spindle which however may be arranged
in any other suitable position but having regard to the type of steam Engines I am
describing the radial concave ended lever or disc is mounted so as to freely work
independently of and on the before mentioned exhaust valve rocking shaft or rocking
spindle.
Another part of my Invention relates to improvements in the means described in
the Specification of my hereinbefore referred to Letters Patent for working the
exhaust valves. According to my present Invention I arrange that the piston rod
main rocking lever receiving its motion from the steam piston rod, will also work and
control the exhaust valves in the following manner. The rocking lever shaft or axle
is extended to such a length as to be able to have securely fulcrumed and fixed
thereon a suitably formed set of two separate double ended levers, cams or discs one
for each separate motion of the separate exhaust valves, and arranged side by side at
suitable distances apart. On the periphery of these levers cams or discs adjustable
moveable angular projections are provided, two being arranged one opposite the other
circumferentially on each lever cam or disc, at suitable distances apart a radial
depression or radial indent or space being formed between the adjustable angular
projections. One of these adjustable angular projections is for effecting the full and
rapid opening of the separate exhaust valves, and the other is for effectually closing

page_text: the said valves without in any manner effecting the early and rapid opening of the
exhaust valves. All the double ended levers or discs rock to and fro together on the
before mentioned main rocking lever. On a spindle fixed at a suitable distance over
and above the rocking shaft of the main rocking lever and running parallel therewith,
are mounted to work freely, two triangular armed levers of suitable length, the upper
or vertical arms of which levers, have Bosses provided with working pins which engage
with eyes formed in coupling rods, connected to a single armed lever keyed securely
on the exhaust valves spindles or rocking shafts. The other arms of the triangular
armed lever are arranged more or less at an angle to the vertical arms and are
provided at their extremities with bosses having pins passing through rollers arranged
to engage with and roll to and fro over the angular adjustable radial projections on
the periphery of the rocking lever cams or discs herein before referred to and also over
the intervening indents or depressed radial spaces betwixt them thereby imparting a
peculiar intermittent rocking or vibrating motion at proper intervals to the separate
exhaust valves.
On the main rocking lever hereinbefore referred to and at a suitable distance from
the axle centre thereof a stud or journal is provided upon which is mounted to work
freely two separate single right angle or bell crank levers, to the extremities of the
vertical arms of which levers I connect by coupling rods the hereinbefore mentioned
rocking steam cams, mounted alongside the radial detent cut off gear. To the other
or horizontal extended arms of the bell crank lever (which arms are arranged in
this case to face the working position of the "governors" and its rocking shaft and
lever and also the a adjustable rocking double ended lever from which each separate
end of the before mentioned adjustable rocking double ended lever are suspended) are
connected by separate connecting rods to the governor so that the governors may have
full control and operate freely the steam rocking cams and thus independently of the
action of the piston rod rocking lever, automatically control and regulate the radial
cut off gear and through the same the steam piston valves or other separate steam
valves.
Another part of my invention relates to the "rectilinear cut off gear" described and
illustrated in the Specification of my Patents hereinbefore referred to.
According to my present arrangements the detent box is of cylindrical form of
given diameter and length and in a suitable central position are formed two rectangular
parallel grooves or rectangular apertures or thoroughfares at a given distance apart
and in the centre of which is fitted to work freely the double ended triangular tripping
out lever (described and illustrated in the Specifications herein before referred to) so
as to engage and disengage the detents. The engaging and disengaging ends of these
detents I now make of a radially convex form, the curve or radius of which is struck
from a common centre and of a radius equal to or slightly more than the diameter of
the Cylinder "Detent Box." These radial convex ends engage and disengage radially
concave bites or teeth formed in a similarly concave or curved surface. On the
external surfaces of the before mentioned cylindrical detent box is placed a separate
hollow cylinder or tube or casing having an internal diameter corresponding to the
external diameter of the cylindrical detent box so as to slide to and fro freely thereon
and independently thereof. The before mentioned radially concave formed bites or
teeth are fixed so as to face and engage the radially convex formed detents. To the
external cylinder casing or tube is fitted or attached the usual steam valve coupling
rods or spindles and to the cylinder detent box is connected the usual attachments
from any given imparted motion, either of the ordinary eccentric or cam gear motion.
Although in the arrangement hereinbefore described the attachments work vertically
and in pairs to suit such steam valves as Cornish valves they however
may be arranged
otherwise so as to enable the ordinary eccentric and cam motion to be attached to the
external cylinder or casing of the cylinder detent box and the steam valve spindle or
coupling rod attached to the cylinder detent box or vice versa.
According to another modification of the cylinder detent box and external cylinder
casing or tube I am enabled to apply them to other forms and types of steam valves than
those hereinbefore mentioned, such for example as what are commonly denominated

page_text: flat slide valves and which are separate and distinct from the exhaust valves employed
in horizontal engines although it may be adapted for use in other engines as well as
the type mentioned. The cylinder detent boxes and external cylinders casings or
tubes of which there are two complete sets are arranged and combined together in
centre line to the diameter of the centre of the steam cylinder and parallel to each 5
other although they are set at a given distance apart to suit the valve rods or spindles
of which there are two sets separately coupled to each of the cylinder detent boxes.
Midway in the intervening space between and at right angles across from one of
the external cylindrical casings or tube to the other is a pin or journal which
connects and combines together as a continuous whole both of the said external cylinder 1
casings so as to be actuated simultaneously by the pin or journal sliding to and
fro either by the ordinary eccentric or cam gear or other motion and impart
motion to the cylinder detent boxes and by them to the separate steam valves. The
usual dash pots and springs for closing the steam valves may be placed in front of
the cylinder detent box or as the case may be and the same centres and centre lines
are used the steam valvo spindles extending forward and into the dash pot in a
direct line.
The same form of detaching gear and governor controlling gear is used both in the
former described Cornish valve gear and also that described for use with flat steam
slides, and other steam valves partaking of the same movements as now in horizontal
and other steam engines.
25
Another form of my invention relates to an improved modification of the before
mentioned rectilinear cut off gear more particularly referring to the parts respectively
named cylinder detent box and External cylinder or casing or tube. It is now
proposed to insert at a suitable place in the end of the cylinder detent box, a set of
piston rings (but other devices may also be used in lieu of piston rings) as commonly
used in steam and other engine pistons whereby an air tight medium can be formed as
bereinafter described. The external cylinder casing or tube instead of being open at
both ends or having a complete tube like form throughout its length is made of a
"thimble" form that is one end thereof is entirely closed and shut off from any
contact with external air or having a blank end thereof whilst the opposite end is entirely
open and remains clear and free. The former mentioned piston end of the cylinder
detent box is now inserted to correspond with the Blank or closed end through the
internal surfaces of the before mentioned external cylinder or casing so that the closed
or blank end thereof will be together and combined at one and the same end yet
nevertheless both separate parts as heretofore act work or move to and fro independently
of one another, but through the intervention of the closed end or blank end on the
external cylinder or casing an air tight chamber or combined moveable and sliding air
cylinder is formed whereby the steam valves are arrested and cushioned in closing or
shutting in a similar manner to that in which the ordinary "Dash pot" acts. The
positions and arrangement of the closed end external Cylinder and Combined Cylinder
detent box can be varied as to suit either Stamper valves or Cornish valves, Corliss
valves, Slido valves, Piston valves, or other forms of Valves in use generally on Steam
Engines. The before mentioned open end of the external Cylinder is now suitably
prolonged extended and formed combined in one part so as to embrace a set of two
prolonged and parallel links with eyes at their extremities the said parallel links and
eyes being placed opposite each other in a direct line across the centre line of the
external Cylinder or casing such parallel link eyes having suitable working pins
inserted therein and attached to suitably formed Brackets or lugs or a suitable Cross
head combining the two parallel link eyes together in one part such brackets or lugs
being solid or otherwise attached to a suitably formed and devised piston or sliding
block of suitable diameter and thickness. The said Cross head can be also attached
and fixed to this piston or sliding block. In connection with this piston or sliding
block is formed an external fixed Cylinder of suitable diameter and length which is
securely fastened to a secure and firm attachment. The before mentioned piston or
sliding block containing the before mentioned brackets lugs and pins or combined
link cross head is now placed to work and slide truly to and fro in or through the

page_text: before mentioned fixed external Cylinder. Nevertheless the whole of the combined
ports of the former mentioned closed end external Cylinder and piston Cylinder
formed detent box can freely pivot or rock to and fro from the said link-formed eyes
and pins combined within this fixed Cylinder.
Another part of my Invention relates to an improved means for mounting and
suspending the angular formed tappet rods and triangular ended lever of detaching
gear described and illustrated in the Specifications hereinbefore referred to.
According to my present Invention the triangular or other formed tappet lever is
suspended from a cross head on the centre of which is a boss having a screw threaded
hole into which is screwed a guide rod. The tappet lever and the guide Rod before
mentioned are coupled up to the usual governor rocking lever which is mounted on
the usual rocking or weigh shaft. On each side of the cross head boss is an extended
pin or journal on which are mounted to freely rock to and fro the triangular detaching
gear lever. On the upper or extended end of the guide rod is mounted a hand wheel
which engages loosely the said guide rod but by turning the hand wheel in any desired
direction the cross head lifts or depresses as the case may be the triangular formed
detaching levers by which means the angular tappet rods are also independently
raised or depressed as the case may be and also by the combined notion of the
"Governor."
Another part of my Invention relates to mechanism to be used in conjunction with
the regulating controlling or "governing" apparatus for regulating the speed and
movements of the steam Engines. On the governor rocking spindle or rocking or
weigh shafts (but in the present case fixed to and connected to the governor) is a
double ended rocking lever one end of which is attached so as to freely work to and
fro on the guide rod hereinbefore described and the opposite and projecting end of
the said lever is of a radial convex form and in this projecting ond is cut a rectangular
groove or parallel slot running lengthways from the radial convex end to the centre
of the lever. In this slot or rectangular groove is fitted to work freely a single sliding
moveable detent which engages with and disongages from a bite or recessed notch
hereafter mentioned and which is actuated and tripped by a detent lever at the
extremities of which is formed a projecting gib or catch and on this same end of the
said detent lever is also fixed a spring or a balance weight of sufficient strength to
cause the detent lever to move the sliding detent to and fro.
A radially concave ended lever is arranged to face the end of the radial convex
lever which concave ended lever is securely fixed to the before mentioned governor
rocking shaft and in a suitable position on the radial concave surfaces of the same to
correspond with the rectangular detent into which it is set to engage and disengage.
Side by side with and near to the same and mounted independant of any of the
before named appliances so as to be adjustable at will is arranged a disc or sector of
suitable diameter in the periphery of which is cut out a notch or indent extending to
suitable distances according to circumstances and on the periphery of the said disc or
sector is fitted to move radially to and fro the right angle detent lever with the
projecting gib cr projecting catch hereinbefore referred to and which moves to and fro
on the raised radial surface of the disc or sector but immediately it moves over the
edges of the radial notch or indents the detent lever by reason of the action of the
said spring or balance weights falls into the said radial notch and so releases or
disengages the rectangular detent from the bite or notch in the fixed radial concave
end lever, and allows the governor rocking shaft to be disengaged from the governor
radial convex ended lever. In this position it is assumed that the governor has
exceeded its regulated speed and thereby from some cause or other the working
machinery is fully run and extended to its highest speed or otherwise got fully
beyond its normal and regular working speed and in this position the angular tappet
rods or other coupling rods will close the steam valves or prevent the steam valves
from opening and thus reduce the speed of the steam engine or entirely stop the
same. When the guide rod is in the position mentioned similar to the angular tappet
rods and coupling rods a bolt or catch is caused to slide into a notch or recess formed
in the body of the guide rod which bolt is actuated by a spring which causes the bolt

page_text: or catch to slide forward immediately the notch or recess comes opposite thereby
securely holding down the whole of the tappet rods or coupling them with the guide
rod until the bolt or catch is again withdrawn by hand and so again permit the
governor radial convex ended lever becoming engaged to the radial concave ended
fixed lever and thus again becomes ready for further action.
Another part of my invention relates to a modified arrangement and improvement
in the mode of imparting motion to work the herein before mentioned detaching gear
described and illustrated in the before mentioned specification.
"
According to this Invention I use a revolving or rotating detaching cam or revolving
or rotatory disc on the periphery of which are placed suitable curved angular
adjustable projections hereinbefore described. The diameter of the before mentioned
cam or disc should be made equal to two single strokes of the steam piston or in
other words equal to the diameter of the circle described by the connecting rod crank
from centre of crank shaft to centre of crank pin on the periphery of which are now
placed the before mentioned curved angular adjustable projections but such curved
angular projections can be also placed and fixed at right angles to the plane of rotation
or parallel with the axis of the shaft on which the said cam or disc is placed and
which is now preferred to be placed on the ordinary engine crank shaft and fixed
and secured to the arms or other attachments provided on the usual engine fly wheel
or spur wheel or any other form of wheel containing either grooved beltings or flat-
belting whereby the machinery derives its motion. Such herein before mentioned
curved angular adjustable projections consist of two separate forms one separate
curved angular adjustable projection to each separate stroke of the steam piston
whereby each separate angular projection can be turned varied altered and curved as
the case may be so to take into account the effect and influence of the "angularity'
of the connecting rod on each separate stroke of the steam piston without reference
to the running of the Fly wheels either forward or backward and such curved angular
adjustable projections are altered or varied as to (in their aggregate results) produce
commonly called equally formed or equal sided indicator diagrams. The hereinbefore
mentioned Rotatory cam or disc can be made if required of two forms if it is
required that the Fly wheel or the driving motion thereof is to run under reversable
conditions or commonly called running forward or running backward to suit circum-
stances but for an engine Fly wheel running constantly one way or running constantly
in one unchangeable direction only one rotating cam or disc is required but if the
Fly wheel or driving motion has to be worked in reversable conditions four curved
angular adjustable projections are fixed on the periphery of the rotating cam or disc
or if the Fly wheel or other driving motion is running constantly only one
unchangeable way two curved angular adjustable projections are required.
motion given by these curved angular adjustable projections is imparted to the former
mentioned triangular lever and tappet rods, through the intervention of suitably
devised levers and rocking shafts and connected and coupled up through suitable rods
to the hereinbefore mentioned Triangular lever on which the tappet rods are fixed and
receive their motion.
The

page_text: Improvements in Valves and Valve Gear of Steam Engines and
other Fluid Motive Power Engines.
I GEORGE LEWIS LAMBERT of the Town and County of Nottingham Engineer,
do hereby declare the nature of this invention and in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement :-
--
My said Invention relates to the valves and valve gear of Steam and other motive
fluid Engines and has reference more particularly to that type of steam Engine for
which Letters Patent were granted to me dated 20th of November 1877 No. 4340
and July 22nd 1881 No. 3193 but applicable to other Steam Engines where separate
piston valves are employed for controlling the ingress and egress of Steam at each
end of the Steam Cylinder each valve working in a separate chamber or steam chest
and actuated and governed by suitable valve gear either rectilinear cut off gear or
radial cut off gear arranged as to effect the required cut off and expansive working
of the Engine.
My present Invention has for its chief object to simplify and cheapen the construction
of various parts of the valvular arrangement and at the same time obtain a more
effective arrangement of the whole.
According to one part of my present Invention I provide the Steam valves and the
exhaust valves with internal passages or portways, extending therethrough from end
to end, and on each of their external surfaces I form an annular recess or space
extending all round the external surfaces of the valves.
In the metal of the Steam and Exhaust valve; chambers or Steam Chests respectively
I provide an annular space, extending concentrically all round the bodies of the s.id
valve chests, portways or passages being arranged at suitable distances so as to make a
free communication between the annular recesses in the body of the valves and the
herein before named annular spaces in the metal of the valve chamber or valve
chests.
According to another part of my present Invention, the radial cut off gear consists
with other appliances hereinafter referred to of a suitable size disc having on cach
side thereof bosses, through which pass loosely the valve rocking shaft. On each
of the central bosses is mounted a hollow cylinder or ring, having extended arms so
as to form two double armed levers or double rocking beans, fulcrummed on the
central bosses so as to freely rock to and fro thereon. The two double armed levers
are connected by suitable bolts passed through slots in the disc so as to form one
compact double rocking beam. Between the extended arms of the two levers are
projections which work in the curved slots herein before mentioned and fitted with two
moveable or sliding detents which engage into bites or recesses provided in the
curved slots in the disc, the said moveable detents being actuated by a double-ended
detent lever.
According to another part of my Invention which has reference to the working and

page_text: controlling of Exhaust valves the detaching gear main rocking lever is arranged, so as
not only to actuate and impart motion to the detaching gear, but also to impart a
peculiar rocking or intermittent reciprocating motion to the exhaust valves.
On the rocking shaft of the main detaching lever is fixed a set of two discs, on the
peripheries of which is formed by projections a space, the two projections on each
disc being adjustably fitted to the said disc, so as to be capable of being adjusted
according as the early closing or early opening of the exhaust valves is required. In
a vertical line above the rocking lever, is a set of two triangular or three armed levers,
fitted to rock on a suitable centre or shaft and carrying on two of their arms, rollers,
bearing on the peripheries of the discs, and acted upon by the angular curved
projections on the said discs whilst the other arms of the three-armed levers are
attached to the coupling rods or other attachments in connection with, and imparting
motion to, the exhaust valve rocking lovers or other reciprocating valve spindles or
valve rods.
On a stud or pin in the disc on the main rocking shaft of the detaching gear, is
mounted to work freely a set of two right-angled or bell-crank levers, to one arm of
each of which is attached the respective coupling rods which impart motion to the
detaching cam gear connected with the cut off gear, and to the other arms of the bell
cranks are respectively attached the coupling-rods in connection with the governor
weigh shaft, the whole rocking to and fro with the detaching gear main-rocking lever
or beams herein before described.
My Improvements in connection with rectilinear cut-off valve gear, consists in
providing a detent box, having a true cylindrical body, in which are fitted two
moveable or sliding detents which are convex on their engaging edges the said convex
edges corresponding to the circumference of the cylinder forming the detent box, the
usual detent lever being employed to impart motion to the detents. On the external
surfaces of the detent box is mounted, so as to move freely to and fro thereon, a
hollow external cylinder or tube. Two fixed concave detents are fitted therein to
engage and disengage the convex ended detents placed in the detent box.
The cylindrical detent box and the external sliding cylinder may be arranged in pairs
side by side and parallel with each other, the two external cylinders being connected
together and provided with a journal or pin to which is coupled the usual eccentric
rods or other motion-giving appliances, the whole being placed preferably at the ends
of the steam chambers or valve chests which usually contain separate steam cut off
valves. To the cylinder detent boxes is fixed the spindles or valve rods of the steam
cut-off valve, which usually pass through stuffing glands, the usual air cylinders or.
dash pots being fixed at the opposite end to that of the Steam valve spindle. The
same form of detaching-gear may be combined to control the detent gear.
The hollow-external cylinder or tube may have one end, closed, such closed end
being either made in one, with the cylindrical portion, or separate therefrom and
connected thereto by screws, bolts or otherwise, so as to form an air-tight closed end.-
The usual steam valve rod is connected to this closed end of the external cylinder or
tube. In the external cylinder is fitted a piston provided with suitable packing-rings
and connected at its opposite sides by a pair of links or vibrating arms or rods, pivoting
on a common fulcra, carried by a quadrant shaped plate or cylindrical guide bod
fixed so as to provide for any radial motion of the external cylinder or tube. The
external cylinder or tube is consequently free to slide to and fro or have a reciproating
motion imparted to it from the cylinder detent box, to close quickly, and by the closed
end of the external cylinder form a perfect air tight cushioning cylinder, in line with
the usual separate air cylinders or "Dash-pots."-This arrangement may be used for
Stamper or Cornish valves, double beat valves, and may be worked in pairs side by
side with each other or be otherwise arranged according to circumstances.
The triangular rocking lever or tappet lever is suspended from a crosshead on the centre
of which is a boss having a screw-threaded hole into which is screwed an adjustable
guide-rod, the tappet lever and the adjustable guide-rod being coupled up to the usual
governor rocking lever. On each side of and at right angles to the cross-head boss
is a journal or pin on which is mounted, so as to freely rock thereon, the triangular

page_text: detaching tappet rod lever. On the upper or extended end of the guide rod is mounted
a hand-wheel, through the boss of which the said guide rod is free to slide, but by
turning which hand wheel in the desired direction, the triangular rocking lever may be
raised or lowered, by which means the tappet-rods, in connection with the Engine
governors, are brought early or late into action, so as to independently vary or alter
the rate of cut off of the Steam according to requirements.
Another part of my Invention relates to special mechanism to be used in conjunction
with controlling or governing apparatus for regulating the movements and speed of
Steam Engines. On the Governor rocking shaft is fitted to work loosely a double-
ended lever, one end of which is connected by rods or otherwise to the Engine
governors. The opposite end of this lever is provided with a concave Sector,
projecting at right angles to the side of the lever. In the concave surface of this
Sector is a notch or recess, with which is caused to engage a sliding detent hereinafter
referred to. Immediately in front of the Segment, and arranged to fit into the concave
surface thereof is a convex-ended lever, the opposite end of which is securely fixed on
the usual governor rocking shaft. The detent which engages in the notch in the
Segment is fitted to slide in a slot or groove in the Segment lever and its motion is
controlled by a small lover which is mounted on a stud or pin on the convex-ended
lever, which stud also carries another lever provided with a projection, which
falls at the required time into a corresponding notch in the periphery of a fixed
adjustable disc, mounted on the axle carrying the double-armed lever. The outer end
of this detent lever is weighted so as to cause the small detent lever to act upon the
detent at the proper moment to withdraw it from the notch in the concave segment
when the Steam-engine governor has been lifted too high by unforseen cause of the
Engine running at too high a speed, the projection on the detent lever at the same
time entering the notch in the fixed Disc, the weigh-shaft of the tappet rods being
thus liberated from the Steam-Engine governors, the Steam valves thrown out of gear-
and the Steam, Engine Governors permitted to go free without respect to any speed
resulting from such liberation or freeing from the tappet rods.
Another part of my Invention relates to the mode of imparting the angular action
of the Steam Engine connecting rod by imparting motion to work the detaching gear
described and illustrated in the before mentioned Specification. According to my
present invention I provide a main revolving or rotating disc or detaching cam
having adjustable angular curved projections thereon provided with curved surfaces
parallel with the axis of their rotation. The said curved projections are fitted on the
periphery of the disc so as to correspond with the peculiar angular action of the Steam
Engine connecting rod for each separate and distinct stroke of the Steam piston. The
diameter of the detaching cam or disc may be made about equal to two single strokes
of the steam piston or equal to the distance between the centre of the crank pin and
the centre of the crank shaft. The adjustable curved projections may be arranged on
a disc of given diameter, and may be fixed with their working faces or peripheries to
revolve at right angles, as well as parallel to the axis of their rotation. And in order
that my said Invention may be fully understood I shall now proceed more particularly
to describe the same and for that purpose shall refer to the several figures on the
annexed sheets of drawings the same letters of reference indicating corresponding
parts in all the figures.
Figure 1 represents a longitudinal section through one of the Steam Cylinder
Covers and through the Steam and exhaust valves and their chests or chambers,
shewing the portways or passages therein.
Figure 2 is a transverse section along the line 1, 2 in Fig. 1 through one of the
valve chests shewing the valve therein in end elevation and Figure 3 is a transverse
section through one of the valves.
Figure 4 is a sectional elevation of the main rocking disc of the radial cut off valve
gear shewing the arrangement of the moveable detents therein.
Figure 5 is an elevation of the main rocking disc showing the double sliding or
moveable detents in the double rocking levers, mounted on central bosses also the
steam valve rod connected to the double rocking lever.

page_text: Figure 6 is a plan of the Main Rocking Disc showing the two double end
rocking levers on their respective central bosses.
Figure 7 represents in elevation the exhaust valves working gear and Figure 8
is a plan of the same.
Figures 9 and 10 are elevations at right angles to each other of the rectilinear
cut off, working gear, showing the Cylinder detent box and external cylinder or
tube also the sliding or movable double detents and parts connected therewith.
Figures 11 and 12 represent respectively in elevation and plan the application
of the cylinder detent box and external fube and the sliding or movable double
detent for working flat slide valves or other type of cut off valves.
Figure 13 is a front elevation partly in section and Figure 14 is a side elevation
of the external cylinder or tube of the detent box provided with a closed or blank
end and a stationary piston therein.
Figure 15 is a part plan and part horizontal section corresponding to Figure 13
and Figures 16 and 17 are sectional details of the detent box shewing the
arrangement of the convex ended detents and the concave recesses with which they
engage.
Figures 18 and 19 are views at right angles to each other of the revolving detaching
cam with adjustable curved angular projections thereon.
Figures 20 and 21 are similar views of a modified form of revolving detaching
cam with adjustable curved angular projections the rolling pathway and working
surfaces of which are at right angles with tho axis of rotation.
Figures 22 and 23 are views at right angles to each other of the special apparatus
for the disengaging of the cut off gear from the Dain Engine Governors.
Referring to Figures 1, 2 and 3. A represents one end of a Steam Cylinder
having formed in the cover B valve boxes or steam chests C and D in which are
respectively fitted to slide to and fro in the ordinary manner the steam admission
valve E and the Exhaust valve F. In the metal forming the valve box C the annular
space G is formed communicating with the main steam inlet H and in the metal of the
valve box D is formed the annular space I communicating with the main exhaust
passage K. The spaces or passages G and I respectively communicated by ports L
and with the interior of the valve boxes C and D. Other radial portways or
passages M M are, according to my invention, provided round the valvo boxes
communicating with annular spaces or passages N N' extending all round the metal
between the working surfaces and the external surfaces of the respective valve chests,
through which ports and annular passages the live steam and exhaust steam may pass
in its ingress and egress to and from the main Steam cylinder A. Through the
body of the valves E and F, which are of the piston type, are passages 0 through
which steam passes to and from the cylinder A and steam may also pass
simultaneously through the ports L'in its ingress and egress to and from the main
cylinder A. The valves E F are moved to and fro in their respective boxes by rocking
shafts P P carrying levers Q Qattached to slotted cross heads R, R¹ rospectively
connected to the valves E and F which valves are provided with metallic packing S.
In Figure 1 the steam inlet valve E is shewn closed and the exhaust valve F open.
When a given travel is imparted to the valve E so as to fully open it to admit
steam into the main Cylinder A the steam from the passage G enters the annular
space T, provided round its exterior and passes thence by the portways L and M'
into the annular space N and through the portways M & the internal passages or
ports O in the body of the valve into the cylinder, and at the same time steam will
also pass freely into the cylinder A through the portways or passages L'.
In the meantime the exhaust valve F at the opposite end of the cylinder will have
been opened and steam from the Cylinder A will pass through the centre ports O of
the exhaust valve to the rear thereof thence by the annular space N¹ ports M' and L
and annular passage I to the main exhaust passage K as indicated by the arrows in
Figure 1 whereby the valves are "balanced" and consequently their travel or
movement considerably shortened. Similar action takes place in the working of the
other valves at the opposite end of the Steam Cylinder to that described.

page_text: Referring to Figures 4, 5 and 6 which are views of my improved radial cut off
gear, U is the main rocking disc V curved openings therein, W convex-ended
projections fitting and working freely in the said openings and carrying double
movable parallel detents XX. Y Y are cylinders or tubes on which the convex
ended projections W are formed thereby constituting double ended levers which are
free to turn on bosses Z on both sides of the disc U independently of any movement
of the said disc. The double sliding detents X X are arranged to engage and
disengage_concave recesses a formed in the curved surfaces of the openings of the
openings V in the disc. b is a rocking lever which operates the sliding detents X.
c is a lever mounted on the axle of the rocking lever b and provided at its outer end
with a wheel d which bears upon the periphery of the rocking cam e, f is the steam
piston valve rod and g is the rocking spindle or shaft of the exhaust valve.
The rod of the steam valve is connected by a link or bridle h to a block i fitted to
slide in an opening in one of the projecting ends W of the double ended levers
herein before referred to. The bridle is also connected to the piston rod 2 of the
air cylinder or dash pot m, n is an opening in the disc U to receive a brass in which
a pin or journal is fitted to work loosely for coupling up the corresponding radial cut
off gear situated at the opposite end of the steain cylinder or for attaching the usual
eccentric rod or trailing crank rod or cam motion gear, for imparting a reciprocating
vibratory motion to the radial cut off gear.
When the sinal detent lever b imparts a given motion to the parallel sliding
detents XX so as to disengage them from the recesses a in the disc U the double
ended lever to which the steam valve rod is attached is free to turn on the bosses Z
and thus close the steam valve or cut off valve independently of any action of the
main disc U and when the main disc makes another movement at the beginning of
another reopening of the steam or cut off valve the sliding detents X X again engage
in the recesses a to be again disengaged at the next stroke or opening of the steam or
cut off valve.
Figures 7 and 8 represent in elevation and plan respectively the exhaust valve gear
and detaching gear levers, P is the main steam piston rod crosshead journal having an
undercut groove k therein in which slides a block carried on the outer end of the
detaching lever g as described in my former Specification and which rocks on the
shaft r.
ss are two discs mounted on the shaft r and having fitted on their peripheries
curved angular projections t t which may be adjusted or their position altered to suit
the required time for opening and closing of their respective exhaust valves.
น น are
two triangular or three armed levers mounted on separate weigh shafts or spindles and
two of the arms of each of these levers are fitted with small wheels v to run upon the
working surfaces of the curved annular projections t t. To the other arm of each of
these triangular levers is connected by suitable rods or levers the exhaust valve
rocking spindles or rocking shafts. In the side of one of the discs s or on a separate
lever mounted on the same shaft therewith is fixed a journal or pin upon which is
mounted so as to work freely thereon two right angled or bell crank levers w to one
arm of each of which levers the governor rod or rods y are connected in the ordinary
manner. x are rods for connecting the levers w to the detaching steam rocking cams.
When the main piston travels to its appointed distance in the direction indicated by
the arrows the curved projections t on the main rocking discs s on the right side of
the triangular levers u becomes disengaged from the said lever and while the recess or
intervening space between the adjustable projections is travelling beneath the lever
the small wheels on the arms thereof bear upon the periphery of the disc and remains
there until the exhaust valve is fully opened or thereabouts.
By adjusting the position of the projections t on the disc s motion may be imparted
to the triangular lever u to effect according to requirements the closing of the exhaust
either early or late so as to produce the required amount of cushioning of the steam
without in any way affecting or imparing the corresponding early opening and other
movements of the other exhaust valves.
Figures 9 and 10 illustrate my improvements in rectilinear cut off gear, 1 is a

page_text: cylindrical detent box preferably made in two parts bolted together so as to form a
complete cylinder.
In the body of this cylinder and at right angles to the axis thereof, I provide two
parallel passages or recesses in which are fitted to slide two radial convex edged
engaging and disengaging detents 2 the convexity on the detents being made to
correspond to the curve or circumference of the cylinder detent box 1. Fitted to
slide to and fro on the external surfaces of the detent box 1 is an external cylinder or
tube 3 having formed in the interior thereof concave recesses a with which the sliding
radial convex detents 2 ongage. 4 is the usual piston working in the air cylinder or
dash pots 5 and connected by rods 6 to the external cylinder 3. 7 are coupling rods
for connecting the steam valve or cut off valve in the ordinary manner and 8 are
coupling rods or attachments for the ordinary eccentric rod or cam gear or other
motion giving appliances.
The detents 2 are actuated by a bell crank lever 9 fast on the axis of the detents
and carrying on one arm a wheel 10 working against parallel projections or tappet
rods 11 arranged side by side and parallel with each other, and parallel to the external
cylinder 3 and the detent box 1, 19 is a guide rod provided at its upper end with a
hand wheel 12 free to slide thereon but capable of imparting rotation thereto. The
lower part of this guide rod is screw threaded and works in a nut in the cross-
head 18. On this crosshead is a pin or journal 14 upon which is mounted the
triangular rocking lover 15 one arm of which is connected by the coupling rods 16
to any suitable motion giving appliance for producing a reciprocating or vibratory
motion equal to and coincident with that of the reciprocating motion of the main
steam engine piston such motion being as true a representation as can be of the actual
variations of the motions of the main steam piston-26 and 27 are respectively the
Governor rocking shaft and the lever for conveying motion from the main engine
Governors to the adjustable guide rod 19 and through the said rod and the slotted
cross head to which the tappet rods 11 are connected are ciprocating motion is
imparted to the latter.
When the cylinder detent box 1 has imparted motion to the external cylinder or
tube 3 the same being then engaged together by the radial detents 2 engaging in the
concave recesses a the whole will move together to open the steain valve or cut off
valve. The small detent lever b is actuated by the detent lever 9 the roller thereon
running on the angular parallel projections on the tappet rods 11.
A rocking reciprocating motion is also given to the triangular rocking lever 15
through the coupling rod 16 from the detaching revolving cams figures 18, 19, 20,
and 21 horeinafter described or from other reciprocating motion from the main steam
piston.
The small double ended lever 6 effects the disengagement of the radial convex
detents from the fixed concave recesses a and thus releases the steam valve or cut off
valve from the motion given to it by the ordinary eccentric or cam gear or other
motion giving appliances and thus permits the said steam or cut off valve to be closed
early or late as the case may be and produce what is commonly called early or late
cut off of the steam.
In order further to produce the automatic controlling of steam valvos or cut off
valves the whole of the hereinbefore mentioned parts are suspended by the cross
head 13 on the adjustable screw threaded guide rod 19 which is also coupled or
connected to the governor rocking or woigh shaft 26-by the lever 27 the whole being
free to move and reciprocate with the fluctuations or the varying speeds of the
governors according to the speed of the main engine and thus control the entire
action of the steam valves or cut off valves and automatically regulate and govern the
variations of the whole running and performances of the Steam engine.
The tappet rods 11 are capable of adjustment to vary the cut off of the steam
according to requirements and conditions of running of the main engine by turning
the band wheel 12 and so impart rotation to the screw threaded guide rod 19 on which
is suspended the cross head 13 and thus raise or depress as the case may be the whole

page_text: of the parts connected therewith and thereby simultaneously alter the position of the
angular parallel Tappet rods 11 so as to adjust at will the cut off without altering or
affecting the steam engine governors.
Figures 11 and 12 are views at right angles to each other illustrating another
modification of the rectilinear cut off gear arranged to work and control Flat
slide cut off valves or other types of cut off valves having a reciprocating motion.
In addition to the parts hereinbefore described the present arrangements shows a
method of coupling together two external sliding cylinders or tubes 3 by a journal 20
to which the usual eccentric rod or cam gear rod or other reciprocating or rocking
motion appliance is coupled.
The closed ends of the external cylinder detent boxes 1 are connected by the rods 21
to the piston of the usual air cylinders or dash pots 5. 22 are the usual steel springs
fitted in casings 23 for closing the cut off valves. The same arrangement of detaching
gear as hereinbefore described being also arranged to work and control the present
arrangements.
Figures 13 to 17 illustrate a further modification of the rectilinear cut off gear
illustrating a different arrangement of the air cylinders or Dash pot and stationary
piston in combination with the external cylinder or tube 3-In this modification the
external cylinder 3 is closed at its upper extremities so as to form between the said
closed end 24 and the stationary piston 25 an air tight space constituting an air
cushioning cylinder producing the same result on the steam valve or cut off valve as
is usually produced through the commonly called air cylinder or Dash pot.
This arrangement and also that described with reference to Figures 9 and 10 aro
more particularly designed and arranged to work what are commonly known as
Stamper valves or double beat valves or other form of cut off valves having their
coupling rods connected to any form of motion giving appliances for imparting a
reciprocating motion to the cylinder detent boxes or external sliding cylinders ns
hereinbefore described.
Figures 18 and 19 are respectively an edge view and side olevation of the main
revolving detaching disc or revolving cam with adjustable curved angular projections
for imparting motion to the radial cut off or detaching gear herein before described
with reference to Figures 4, 5 and 6 and also for imparting motion to the rectilinear
cut off gear herein before described with reference to figures 9 to 15 of the
accompanying drawings.
U' is the revolving disc or revolving cam provided with adjustable curved angular
projections & the delineated curves of which are arranged according to the angularity
of the connecting rod of the steam engine and revolve as indicated by the arrow in
parallel lines with the axis of the rotation of the main revolving disc or cam U¹. This
disc is mounted on the steam engine crank shaft g¹ or on an intermediate revolving
shaft receiving motion either from the main crank shaft or through the intervention
of other appliances receiving revolving motion from the main crank shaft of the steam
engine. 28 is a double ended lever mounted on the rocking or weigh shaft 29 and
provided at one end with a roller bearing on the working curved surface of the
projections t. To the opposite end of the lever 28 is connected by the rod 30
the detaching gears hereinbefore mentioned and coupled up as may be required to the
detaching Rocking steam cams e Figures 4 & 5 and also to the detaching gear
triangular rocking lever 15 Figures 9 & 10.
Figures 20 & 21 illustrate another arrangement of the main revolving disc or
cam ¹ with adjustable curved angular projections the working surfaces of which are
at right angles to the axis of the rotation of the main revolving disc and the rocking
motion produced or resulting therefrom is parallel with the axis of its rotation whereas
in the herein before described arrangements Figures 18 and 19 the rocking motion
is at right angles to the axis of rotation of the main revolving disc or cam U¹ and so
transferred to the respective cut off detaching gears herein before described.
The curves or working surfaces of the projections & may be made to correspond as
near as possible to a curve struck from the centre of the crank pin to the centre of the
main crank shaft of the steam engine thus representing a complete single revolution

page_text: thereof equal to two single strokes or travel of the Steam Engine Piston but such
delineations may of course be varied to suit the various reciprocating angular motions
of the various positions of the Steam Engine connecting rods throughout one complete
circle of the centre of the crank pin from the centre of the main crank shaft of the
Steam Engine or equal to two single strokes of the travel of the Steam Engine piston
so as to produce as near as possible a reciprocating motion and impart the same to the
cut off valve through the intervention of the herein before mentioned detaching gears
equal to that of the Steam engine pistons thus enabling what is commonly called equal
formed indicator diagrams of the expansive working of the steam in the Steam Engine
cylinder to be produced.
Figures 22 and 23 are views at right angles to each other of mechanism for
controlling and releasing the cut off detaching gears herein before described with
reference respectively to Figures 4, 5 and 6 and Figures 9 and 10. On the rocking
or weigh shaft 26 is mounted loosely a double lever 28* one end of which is con-
nected by the rod 30 to the Steam Engine Governors whilst its opposite end is
provided with a sector formed prolonged projection 32 arranged at right angles to the
direction of motion of the lever. On the Shaft 26 is another fixed lever 33 having
a convex projecting end which faces and fits into the concavity of the projection 32
on the lever 28*.
A slot or opening is provided in the lever 33 extending from its extreme end
towards the shaft 26 and in this opening a detent 2 is fitted to slide so as to engage
when required into a notch a in the concave surface of the sector 32 of the double
lever 28*. This detent is actuated by means of a small rocking lever b on the axis
of which is fixed another lever 9 provided with a projection 34 which at the requisite
times falls into and engages with a notch 35 on the periphery of a fixed disc or
sector 36. When the speed of the Steam Engine Governors exceeds a certain regu-
lated speed the projection 34 on the lever 9 will travel over the surface of the
disc 36 and when opposite the notch 35 will by the action of the weight 37 or its
equivalent fall into the said notch 35 thereby immediately releasing the Steam Engine
Governors from all further connection and control of the cut off detaching gears and
at the same time firmly holding the rocking Shaft 26 to prevent it coming into
operation to engage and disengago the said cut off detaching gears whereby the steam
valves or cut off valves will remain inoperative and the undue increased speed of the
Steam Engine retarded. The projection 34 on the lever 9 can be disengaged from
the notch 35 and replaced by hand ready to operate again when the speed of the B
Engine becomes unduly decreased.
Having now particularly described and ascertained the nature of my said Invention
and in what manner the same is to be performed I declare that what I claim is
First. In the valve boxes of steam and other motive fluid Engines in which
piston valves are employed providing in the metal of the valve boxes the annular
passages N N' in combination with ports M and M' arranged radially round the valve
boxes for the passage of steam to and from the main steam Cylinder substantially as
hereinbefore described and illustrated in Figures 1 and 2 of the accompanying
drawings.
Second. The combination with the annular passage N N' and ports M and M' as 4
claimed by the first claiming clause of the ports or passages L and L' forming com-
munications between the interior of the valve boxos and the annular passages G. I
substantially as and for the purpose hereinbefore described with reference to Figures 1
and 2 of the accompanying drawings.
Third. The combination with the annular passage N N' in the metal of the valve 5
boxes and the communicating parts or passages M M of piston valves with annular
rocesses in the exterior surfaces thereof arranged substantially as and for the purpose
herein before described with reference to Figures 1. 2 and 3 of the accompanying
drawings.
Fourth. Piston valve for steam engines having a passage or passages (0) extending 5
longitudinally through the body thereof in combination with the annular recess T in

page_text: its outer circumference substantially as and for the purpose herein before described
with reference to Figures 1. 2 and 3 of the accompanying drawings.
Fifth. In valve gear for steam and other motive fluid engines the combination with
a disc having curved openings or passages therein or therethrough of double ended
lovers fitted to turn on bosses on each side of the disc and connected together by bolts
passing through the curved openings and provided with sliding detents arranged and
operating substantially in the manner and for the purpose herein before described with
reference to Figures 4. 5 and 6 of the accompanying drawings.
Sixth. In valve gear for Steam and other motive fluid engines the combination
with the slotted disc U of the double ended levers WY, sliding detents X, recesses a
and detent lever b constructed and arranged substantially as and for the purpose
hereinbefore described and illustrated by Figures 4 5 and 6 of the accompanying
drawings.
Seventh. The combination of the disc U double ended levers WY parallel sliding
detents X recesses a detent lover 6 lever c and came the whole being constructed and
arranged to operate substantially in the manner and for the purpose herein before
described with reference to Figures 5 and 6 of the accompanying drawings.
Eighth. Connecting the main rocking lever of detaching gear to the piston of a
steam or other motive fluid engine so as to receive a reciprocating motion therefrom
for working exhaust piston valves substantially as herein before described and illus-
trated by the accompanying drawings.
Ninth. The double rocking levers mounted on the shaft of the rocking lever or
beam of the detaching gear substantially as and for the purpose hereinbefore described
and illustrated by the accompanying drawings.
Tenth. The combination and arrangement of the adjustable curved projections on
the periphery of the rocking disc or lever for controlling and regulating the
opening and closing of exhaust valves substantially as hereinbefore described with
reference to Figures 7 and 8 of the accompanying drawings.
Eleventh. The combination with adjustable projections on the discs s mounted on
the rock shaft of detaching gear of the triangular or three armed levers u connected
to the exhaust valves of steam or other motive fluid engines and operating substantially
in the manner and for the purpose hereinbefore described with reference to figures 7
and 8 of the accompanying drawings.
Twelfth. The general combination and arrangement of parts constituting improve-
ments in valve gear for steam and other motive Huid engines as herein before described
and illustrated by figures 7 and 8 of the accompanying drawings.
Thirteenth. The application and arrangement of a cylindrical surface or detent box
provided with parallel passages in which detents are fitted to slide so as to engage and
disengage with notches or recesses formed in a cylinder or tube fitted to slide over
the external cylindrical surface or detent box in combination with an air cushioning
cylinder or dash pot substantially as and for the purpose hereinbefore described with
reference respectively to Figures 9 and 10 Figures 11 and 12 and Figures 13 to 17
of the accompanying drawings.
Fourteenth. The combination with the subject matter of the last preceding claiming
Clause of the angular adjustable projecting tappet rods 11 and levers 9 and 6 for
operating the detents substantially as and for the purpose hereinbefore described and
illustrated in Figs. 9 & 10 of the accompanying drawings.
Fifteenth. The combination and arrangement of the adjustable guide rod 19.
cross head 13 and the triangular rocking lever 15 for imparting motion to the angular
parallel tappet rods of the detaching gear substantially as hereinbefore described
with reference to Figures 9 and 10 of the accompanying drawings.
Sixteenth. The arrangement of the two external sliding cylinders or tubes connected
together by means of a journal or pin to which the eccentric or cam motion is
connected for imparting motion to the two external cylinders or tubes substantially
as hereinbefore described with reference to Figures 11 and 12 of the accompanying
drawings.
Seventeenth. The general combinations and arrangements of parts constituting the

page_text: improvements in detaching gear for working and controlling steam slide or cut off
valves or other types of cut off valves as hereinbefore described with reference
respectively to Figs. 9 & 10, Figs. 11 & 12 & Figs. 13 to 17 of the accompanying
drawings.
Eighteenth. The combination and arrangement of a stationary piston and an
external sliding cylinder having a closed end so as to form together a combined
moveable air cylinder for cushioning the cut off valves and dashpots also the combina-
tion therewith of the double concave radial detents of the rectilinear cut off gear
substantially as hereinbefore described and illustrated by the accompanying drawings.
Nineteenth. The general combination and arrangement of the detaching gear
working in combination with the cut off gear herein before described for controlling
cut off valves having their coupling rods and attachments arranged parallel and side
by side with each other as herein before described.
Twentieth. The continuous revolving disc U the diameter thereof being equal to
or about equal to the circle made by the rotation of the Steam Engine Crank pin and
having on the periphery thereof the double adjustable curved radial angular projections
constructed and arranged substantially as and for the purpose hereinbefore described
with reference to Figures 18 and 19 of the accompanying drawings.
Twenty first. The continuous revolving discs having projections the working or
rolling surfaces of which are arranged at right angles to the axis of rotation thereof
for imparting a rocking motion to the detaching gears substantially as hereinbefore
described with reference to Figures 20 and 21 of the accompanying Drawings.
Twenty second. The application and arrangement of the loose rocking double ended
lever 28 having on one end a radial concave projection provided on the concave
surface thereof with a notch or recess into which a sliding or movable detent carried
on a lever fixed on the weigh shaft of the governor is caused to engage and disengage
substantially in the manner and for the purpose hereinbefore described with reference
to Figures 22 and 23 of the accompanying Drawings.
Twenty third. The general combination and arrangement of parts for effecting the
disengaging of the Steam Engine governors from detaching gear heroin before
described of the respective cut off valve gears, and its application to any other form
of cut off valve gear irrespective of the type of detaching gear but having the usual
Governors working and controlling the respective cut off valve gears substantially as
herein before described with reference to figures 22 and 23 of the accompanying
drawings.
T
1000