Improvements in Governing Devices for Motors.
Year: 1894

page_text: Date of Application, 31st July, 1894
Complete Specification Left, 13th Mar., 1895-Accepted, 4th May, 1895
[Communicated from abroad by CIE. DE L'INDUSTRIE ELECTRIQUE, Geneva, in
the Republic of Switzerland.]
Improvements in Governing Devices for Motors.
I, HENRY ILARRIS LAKE, of the Firm of Haseltine, Lake & Co., Patent
Agents, 45 Southampton Buildings, in the County of Middlesex, do hereby declare
the nature of this invention to be as follows:-
In the machines acted upon by any motive power whatever (water, steam,
electricity or other motive power) the reaction of the speed- or intensity-regulator
is advantageously transmitted to the valve or other distributing device by means of
a self-acting intermediate device acting upon the said distributing device as soon as
the slightest oscillation of the regulator proper occurs and without having the
latter supporting directly the effort or resistance of the distributing device itself.
The object of the invention is of the said kind and will be hereinafter described
with reference to the accompanying drawing.
My regulating device is a very simple and quite automatic one, and it is combined
so as not to exceed the normal point of regulation as this occurs in most of the
similar devices known till now.
My device is composed of a lever L journalled at O' to a fixed bearing S of any
kind whatever, and of a lever E, journalled at O2 to the same bearing S.
The lever is acted upon at 7 by the governor proper (centrifugal governor,
solenoide acting by attraction upon a piece of soft iron or the like) and the lever E
receives a reciprocating motion by any suitable micans, for instance by a crank M
and a rod F.
To the point g of the lever E there are pivoted two clicks G' and G2 which are
caused by means of a spring G to engage the one with the teeth of wheel N and
the other with the teeth of a wheel N which are both fixed to an axis O2 acting
upon the distributing device which is represented in the drawing by a switch
moving upon suitable contact-pieces Q'. When the click G is engaged in the
teeth of wheel N the switch Q moves in the sense of the arrow 1 several teeth of
said wheel N and when the click G2 is engaged in the teeth range of wheel N2, the
switch arm Q moves from right to left, the pivot g of the said clicks G and G
oscillating together with the lever E. The latter is further provided with two
pivots Hand H2 bearing two three-armed levers, the arms and of which are
connected together by means of a spring H which tends to bring the same back to
their normal position shown in Figure 1 of the drawing.
The arms and of the said three-armed levers are intended to respectively
catch the arms g' and 2 of the clicks G and G2 in view of maintaining the same
out of reach of the wheels N' and N2 in putting the spring G in tension. On the
other hand the arms h¹ and h² of the said three-armed levers are provided with a
projection intended to engage an opening 1 of the above described lever Land
said opening is provided with projections 11 and 12 against which abut according to
the position in which the lever L is placed, either the arm or the arm / when
the latter are oscillating together with the lever E.
Now when for instance in an oscillation from left to right, the lever L having
been lowered, the arm meets the projection I, the tooth h³ disengages the arm g
allowing the click G' to engage the teeth of wheel N' as shown in Figure 2.
In

page_text: its motion from left to right the arm E rotates the wheels N' and N' which act
directly upon the motor to cause the same to be automatically regulated.
At the end of its following stroke from the right to the left the lever gl meets a
fixed stop which disengages it out of the teeth-range N' and engages the arm gl
with the arm ³ as soon as the lever L has returned to its normal position after the
regulating action is performed.
When the lever L is lifted the opposite motion occurs by means of the levers h² h*
and G2 acting upon the wheel N².
When the lever L is in its normal position the arms ' and ' do not meet the
projections and 12, the clicks G' and G' remain consequently out of action.
A small hand-lever is provided to secure the lever L in its normal position.
In view of avoiding an excess in the regulating action, that is to say a motion
exceeding the normal position of the regulator and to gradually stop the play of
the switch Q (or of the valve or other distributing device) when the same has been
put into motion by one of the clicks G' or G', I insert between the axis O and
the lever L the following mechanism which is intended to transmit to the said
lever L a reaction caused by the said axis 0%. The latter being provided with a
pinion O into which engages a rack Y pivoted in y and having a spring X rigidly
fixed by one of its ends to the said rack Y.
On the other hand the lever L is provided with a cylinder L' which moves with
it and in which plays a piston Z. The said cylinder L' is filled with oil or any
other suitable liquid or fluid, and the piston is provided with a central hole and with
small radial holes e through which the said liquid or fluid may escape from one side
of the piston to the other when the latter is moved in the cylinder. A tapered
rod a is located inside the piston rod Z and allows of exactly regulating the opening
of the said apertures or holes c. The screwing or unscrewing of this rod a causes
the said apertures c to be enlarged or reduced and to regulate thereby at will the
speed of the piston Z in its cylinder L'.
The free end of the piston rod Z is connected to the other end of the above
mentioned spring X, so that the rack Y lifts or lowers the piston Z in the cylinder L'
in its oscillation in the one or other seuse. The said rack Y tends thereby to lift or
lower the lever 1, and such action of the rack Y is therefore transmitted to the
lever L by means of two elastic intermediaries: the spring X and the piston Z
playing in any liquid or fluid substance. The greater the motion of the aforesaid
pinion O the greater the tension of the spring X and at same time a greater
resistance is opposed to the motion of the piston Z in its forcing the liquid or fluid
substance to pass through the apertures c. The action of the rack Y upon the
lever L is always directed in the opposite sense to the action of the regulator acting
upon the said regulator at the point 1, hereinbefore mentioned, it therefore reacts
upon the said regulator like a constant brake tending to bring the lever L back to
its normal position and acting with an intensity which is proportioned to the angle
of rotation of the axis O².
The percentage of the regulating device is obtained by suitably regulating the
openings c of the rod a in the interior of the piston rod.
Instead of attaching the spring X to the rack Y and the cylinder L' to the
lever LI may reverse this arrangement or I may fix the piston to the lever Land
the spring X to the cylinder L' without altering the effect of the device.
Dated this 31st day of July 1894.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.

page_text: Improvements in Governing Devices for Motors.
1. HENRY HARRIS LAKE, of the Firm of Haseltine, Lake & Co., Patent Agents,
45 Southampton Buildings, in the County of Middlesex, 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 :-
In machines acted upon by any motive power whatever (water, steam, electricity
or other motive power) the reaction of the speed- or intensity-regulator is advan-
tageously transmitted to the valve or other distributing device by means of a
self-acting intermediate device acting upon the said distributing device as soon as
the slightest oscillation of the regulator proper occurs and without having the
latter supporting directly the effort or resistance of the distributing device
itself.
The present invention is of this kind and will be hereinafter described with
reference to the drawing left with my Provisional Specification.
My regulating device is a very simple and quite automatic one and it is
combined so as not to exceed the normal point of regulation as this occurs in most
of the similar devices heretofore known.
My device is composed of a lever L journaled at O' to a fixed bearing S of
any kind whatever and of a lever E, journalled at 02 to the same bearing S.
The lever L is acted upon at O' by the governor proper (centrifugal governor,
solenoide acting by attraction upon a piece of soft iron or the like) and the lever E
receives a reciprocating motion by any suitable means, for instance by a crank M
and a rod F.
To the point g of the lever E there are pivoted two clicks G and G2 which are
caused by means of a spring G to engage the one with the teeth of wheel N' and
the other with the teetli of the wheel N2 which are both fixed to an axis O² acting
upon the distributing device which is represented in the drawing by a switch Q
moving upon suitable contact-pieces Q. When the click Gis engaged in the
teeth of wheel N the switch Q moves in the direction of the arrow several
teeth of said wheel N and when the click C2 is engaged in the teeth of wheel N³,
the said arm Q moves in the direction of the arrow 2, the pivot y of the said
clicks G and G oscillating together with the lever E. The latter is further
provided with two pivots H₁ and H2 bearing two three-armed levers, the arms *
and h of which are connected together by means of a spring H which tends to
bring the same back to their normal position shown in Figure 1 of the drawing.
The arms and of the said three-armed levers are intended to respectively
catch the arms gl and g² of the clicks G' and G' with the object of maintaining
the same both out of reach of the wheels N' and N2 in putting the spring G in
tension. On the other hand the arms hand h² of the said three-armed levers are
provided with a projection intended to engage an opening I of the above described
lever L and said opening is provided with projections I' and 13 against which
abuts according to the position in which the lever L is placed, either the arm /¹
or the arm 2 when the latter are oscillating together with the lever E.
Now when for instance in an oscillation from left to right, the lever L having
been lowered, the arm meets the projection I' the tooth ³ disengages the arın
which allows the click G¹ to engage the tooth of wheel N₁ as shown in Figure 2.
In its motion from left to right the arm E rotates the wheels N' and N2 which act
directly upon the motor to cause the same to be automatically regulated.
At the end of its following stroke from the right to the left the lever G¹ meets
the fixed stop r which disengages it from the teeth N' and engages the arm g' with
the arm as soon as the lever 1 has returned to its normal position after the
regulating action is performed.

page_text: When the lever L is lifted the opposite motion occurs by means of the
levers and G acting upon the wheel N³.
When the lever L is in its normal position the arms h¹ and h² do not meet the
projections and 12 the clicks G₁ and G remain consequently out of action.
A sinall handlever is provided to secure the lever L in its normal position.
With the object of avoiding an excess in the regulating action, that is to say a
motion exceeding the normal position of the regulator and to gradually stop the
play of the switch Q (or the valve or other distributing device) when the same has
been put into motion by one of the clicks G or G2, I insert between the axis O'
and the lever L the following mechanism which is intended to transmit to the said
lever L a reaction caused by the said axis 0. The latter being provided with a
pinion into which engages a rack Y pivoted in and having a spring X rigidly
fixed by one of its ends to the said rack Y.
On the other hand the lever L is provided with a cylinder L' which moves with
it and in which plays a piston Z.
The said cylin ler L' is filled with oil or any
other suitable liquid or fluid and the piston is provided with a central hole and with
small radial holes c through which the said liquid or fluid may escape from one
side of the piston to the other when the latter is moved in the cylinder. A tapered
roda is located inside the piston rod Z and allows of exactly regulating the
opening of the said apertures or holes c. The screwing or unscrewing of this
rod a causes the said apertures e to be enlarged or reduced and to regulate thereby
at will the speed of the piston Z in the cylinder '.
The free end of the piston rod Z is connected to the other end of the above
mentioned spring X so that the rack Y lifts or lowers the piston Z in the
cylinder L in its oscillating in the one or other direction. The said rack Y tends
thereby to lift or lower the lever 1 and such action of the rack Y is therefore
transmitted to the lever L by means of two elastic intermediaries: the spring X
and the piston Z playing in any liquid or fluid substance. The greater the motion
of the aforesaid pinion O the greater the tension of the spring X and at same
time a greater resistance is opposed to the motion of the piston Z in its forcing the
The action of the
liquid or fluid substance to pass through the apertures c.
rack upon the lever L is always directed in the opposite direction to the action
of the regulator acting upon the said regulator at the point 1, it therefore reacts
upon the said regulator like a constant brake tending to bring the lever L back to
its normal position and acting with an intensity which is proportionate to the angle
of rotation of the axis 0%.
The percentage of the regulating device is obtained by suitably regulating the
openings of the rod a.
"
Instead of attaching the spring X to the rack Y and the cylinder L' to the
lever L' I may reverse this arrangement or 1 may fix the piston to the lever L
and the spring X to the cylinder L without altering the effect of the device.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, as communicated to me by
my foreign correspondents, I declare that what I claim is :-
In governing devices the combination of the lever L so disposed as to be acted
upon by the governor proper, the latter being of any suitable kind with a piece Y
disposed as to follow any movement of the wheels N' N2 with a spring X, a piston Z
provided with apertures the width of which may be regulated at will by means of
a rod a substantially as and for the purpose specified.
L 1407
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.