CERTAIN IMPROVE- MENTS IN APPARATUS FOR GOVERNING OR REGULATING THE SPEED OF ENGINES
Year: 1863

page_text: LETTERS PATENT to Edward Scott, of the City of Manchester, in the
County of Lancaster, Engineer, for the Invention of "CERTAIN IMPROVE-
MENTS IN APPARATUS FOR GOVERNING OR REGULATING THE SPEED OF ENGINES."
-A communication from abroad by Arnold Winder, of Hard, in the
Kingdom of Austria.
Sealed the 9th February 1864, and dated the 15th August 1863.
PROVISIONAL SPECIFICATION left by the said Edward Scott at the
Office of the Commissioners of Patents, with his Petition, on the
15th August 1863.
I, EDWARD SCOTT, of the City of Manchester, in the County of Lancaster,
Engineer, do hereby declare the nature of the said Invention for "CERTAIN
IMPROVEMENTS IN APPARATUS FOR GOVERNING OR REGULATING THE SPEED OF
ENGINES," a communication to me from abroad by Arnold Winder, of Hard,
in the Kingdom of Austria, to be as follows:-
These improvements consist in the employment and use of a peculiar
arrangement of mechanism actuated by an ordinary governor for regulating
the speed of the driving shaft of steam or other engines.
The arrangement of such mechanism may be described as follows:-
Conveniently situated near the main driving shaft a frame is placed, in.
which are formed two horizontal V-grooves. Within each groove a sliding
plate moves, the lower one being connected by means of a bar or rod to the
strap driven by the pulley on the driving shaft. These slides are recessed

page_text: or formed like steps, there being three such steps in the length of the slide
forming one irregular slot, and arranged in such a manner that as each
separate step or elevation becomes acted upon by the peculiar arrangement of
mechanism herein-after described, the stepped slide shall regulate the speed
of the driving shaft through the medium of three pulleys upon the driving
shaft, and which correspond to the steps in the slides. These slides are acted
upon by levers or rods supplied with projections or collars having motion
imparted to them from a vertical lever in connection with an eccentric keyed
upon a shaft driving an ordinary "governor "; this eccentric gives the rods or
levers actuating the steps a motion equal to the length of one of the steps
in the afore-mentioned slides, pressing at each movement the projection
or collar (upon the lever or rod) alternately against the stepped ends of
such groove. These rods or levers are supported and held in position by
levers through which they slide in connection with the afore-mentioned
governor, so that as the slide of the governor raises or lowers the supporting
levers it causes the levers or rods so supported and working the slides to
move from one step to the other, thereby forcing such slides in or out
and so adjusting the strap in connection with the lower slide on to tho pulley
corresponding with the step in which the rods or levers are working, regulating
by this means the speed of the driving shaft.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Edward Scott in the Great Seal Patent Office on the
15th February 1864.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD
SCOTT, of Manchester, in the County of Lancaster, Engineer, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fifteenth day of August, in the year of our Lord
One thousand eight hundred and sixty-three, in the twenty-seventh year
of Her reign, did, for lerself, Her heirs and successors, give and grant
unto me, the said Edward Scott, Her special license that I, the said
Edward Scott, my executors, administrators, and assigns, or such others
as I, the said Edward Scott, my executors, administrators, and assigns,
should at any time agree with, and no others, from time to time and at
all times thereafter during the term therein expressed, should and lawfully
might make, use, exercise, and vend, within the United Kingdom of Great
Britain and Ireland, the Channel Islands, and Isle of Man, an Invention for

page_text: 6
CERTAIN IMPROVEMENTS IN APPARATUS FOR GOVERNING OR REGULATING THE
SPEED OF ENGINES," being a communication to me from abroad by Arnold,
of Hard, in the Kingdom of Austria, upon the condition (amongst others)
that I, the said Edward Scott, my executors or administrators, by an instru-
ment in writing under my, or their, or one of their hands and scals, should
particularly describe and ascertain the nature of the said Invention, and
in what manner the same was to be performed, and cause the same to
be filed in the Great Seal Patent Office within six calendar months next
and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Edward Scott, do hereby declare the
nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement and accompanying Drawings (that is to say) :-
My improvements consist in the employment and use of a peculiar
arrangement of mechanism actuated by ordinary "governor " for.regulating
the speed of the driving shaft of steam or other engines.
The arrangement of such mechanism may be described as follows:-
Conveniently situated near the main driving shaft a frame is placed, in
which are formed two horizontal V-grooves. Within each groove a sliding
plate moves, the lower one being connected by means of a bar or rod to the
strap driven by the pulley on the driving shaft. These slides are recessed or
formed like steps, there being three such steps in the length of the slide forming
one irregular slot, and arranged in such a manner that as each separate step or
elevation becomes acted upon by the peculiar arrangement of mechanism
herein-after described, the stepped slide shall regulate the speed of the driving
shaft through the medium of three pulleys upon the driving shaft, and which
correspond to the steps in the slides. These slides are acted upon by levers
or rods supplied with projections or collars, having motion imparted to them
from a vertical lever in connection with an eccentric keyed upon a shaft
driving an ordinary "governor." This eccentric gives the rods or levers
actuating the steps a motion equal to the length of one of the steps in the
afore-mentioned slides, pressing at each movement the projection or collar
upon the lever or rod alternately against the stepped ends of the groove.
These rods or levers are supported and held in position by levers through
which they slide in connection with the afore-mentioned governor, so that
as the slide of the governor raises or lowers the supporting levers it causes
the levers or rods so supported and working the slides to move from one
step to the other, thereby forcing such slides in or out, and so adjusting
the strap in connection with the lower slide on the pulley corresponding

page_text: with the step in which the rods or levers are working, regulating by this
means the speed of the driving shaft.
In order that the Invention may be better understood and explained in
detail I have hereunto attached a Sheet of Drawings, made upon a scale
of about three inches to the foot, similar letters of reference being marked
thereupon.
Fig. 1 is a side elevation of the "governor" and apparatus actuated thereby
for altering the position of the driving strap on the driving pulleys according
to the increase or decrease in the speed of the engine.
In Fig. 1, a, a, is the framing containing the V-grooves; within the lower
grooves a¹ the stepped plate 6 slides and is connected to the strap fork c,
within the upper groove a³ the stepped plate d slides and is connected by the
lever e to the rod f, to which a regular reciprocating motion is imparted by the
eccentrics 9, which also causes the rod h to partake of the same reciprocating
movement. The apparatus is brought into action by the "governor balls" i, i,
which as they diverge. lift the collar k which lifts the lever and the rod h,
causing the T-end thereof to come into contact with the "top step" 1, and
causes the plated to slide, which acts upon the lever e, and causes the cross
piece on the sliding rod f to push the slide b, and with it the strap fork,
which alters the strap from the driving pulley m on to the other pulley. By:
the use of three pulleys as shewn the engine may be reversed by altering the
strap from the middle on to the extra or reversing pulley n.
Having now described the nature of the said Invention, together with the
method of carrying the same into practical effect, I wish it to be distinctly
understood that I claim the novel arrangement and construction of apparatus
for effecting the required purposes as herein-before described, set forth, and
fully illustrated in the Drawings attached.
In witness whereof, I, the said Edward Scott, have hereunto set
my hand and seal, this Thirteenth day of February, in the year of
our Lord One thousand eight hundred and sixty-four.
EDWARD SCOTT. (L.s.)