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Патент USA US2125011

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July 26, 193'8„
_
H. G. ADLER
GOVERNOR
Filed March 14, 1956
au
/l/
2,125,011
Patented July 26, 1938
A- 2,125,011
UNITED ._ STATES
PATENT OFFICE. y
2,125,011
GOVERNOR
Herman G. Adler, Detroit, Mich., assigner` *toy
Handy Governor Corporation, Detroit, Mich., ‘
aIcorporation' of Michigan
Application March 14, 193e, serai 110.118.952
5 Claims. (oi. 137-153)
The present invention relates to governors or a spindle i5 and when in wide open position is
speed controlling devices for internal combustion
engines -of the type adapted to be disposed in
spaced from the axis of the spindle. When it
is moved to closed position as shown at It’ the
the intake manifold.
valve is balanced. Intermediate these two posi
More specifically, the invention relates to gov- . tions the forcesxdue to vacuum ,and the flow of
LI
ernors of this class employing an unbalanced gases is variable thereon.
valve and means to substantially balance the
The spindle I5' extends into the housing II
valve in all positions thereof at a predetermined and has an larm iii mounted thereon with a
speed .of the motor.
`
roller i7 at the end thereof adapted to abut a
Heretofore, where a single spring has been piston i8. This piston is forced to the right as=
used to balance the valve, it has been necessary viewed in Figure 1 by a spring i9 the tension
-to interpose cams, links or other compensating of which may be adjusted by a screw member
mechanisms between the valve and the-spring. 20. The piston it ñts in a cylinder 2l and is
The present invention aims to provide a gov-v subject, through the port 22, to the reduced
ernor that eliminates the cams, links, etc. '
pressure in the intake manifold on the down»
To this end. the governor is proportioned so stream side of the governor valve. The housing
that the closing eíiect of the flow of gases on
II is providedY with a port 23 placing the in
the valve transferred to an element subject to terior thereof in communication with the at
reduced pressure in the intake manifold plus mosphere, so that the piston is subject on the
20 " the eiîect of such reduced pressure on the ele
ment when plotted against di?‘erent positions
of the element is a straight line. As the same
plot for a single spring opposing the element is a
one side to atmospheric pressure and on the
other to the reduced pressure in the intake
manifold.
-
.»
-As illustrated in Figure 5, a plot of the vacuum
force on the' piston as against the piston move
straight line, the valve may be balanced in all
positions thereof at a- predetermined speed of ment is in the form of a curve. It is the object- 25
the motor by a single spring.
of this -invention to design the butterfly valve
Other objects and features of novelty will be . so that‘the sum of the force on the’piston due
30
apparent from the description taken in connec
to the torque on the valve‘pl'us the vacuum
tion with the drawing, in which:
force on the piston when plotted against posi
tions of the piston will give a straight line. For~
Y
Figure _1 is a sectional elevation taken online
I-i of Figure 3~looking in the direction of the
this purpose, as previously stated, the valve i4
is eccentrically disposed with respect to its axis.
Figure 2 is a sectional elevation through the
device;
~35
.
,
Figure 3 is a plan view of the governor;
Figure 4 is a sectional' elevation at right an
gles to Figure 2;
l v
`
When in wide> open position the valve M is
parallel to the longitudinal center line of the
casing and affords practically no obstruction to
the passage ‘of the gases. When in closed posi?
tion the valve is horizontal as illustrated at M’.
Figurel 5 is a plotillustrating the vacuum
force on the piston as plotted against the piston
When the valve or valve plate moves into a'
- As illustrated in the drawing the device com
upon the shaft Y increases and then decreases
nearly closed position as illustrated at It’ Figure
40 movement;
' - «2, the torque upon this plate will be extremely
Figure 6 is à. plot illustrating the force- on the- small, since the two arms of the plate are of
piston due to the torque on the valve plotted equal length and the eHective'leve/r arm dueto
against the> piston movement;v and
the plate oiïset is nearly‘zero. However, it will
Figure 7 is a’plot illustrating the force of the . be easy to understand that 'as the plate moves
45 spring as plotted against the piston movement. from
fullyfopen- to closed position,~ _the torque ,
prises a casing Il) having a housing-II at one
substantially as? shown in Figure 6. Byselecting
side thereof. The casing I0 is adapted to be the- proper spacing of .the plate from "the centerdisposed in the intake manifold and for this pur
line of the axis of the spindle, it is possible to
50 pose the bolt holes I2 are provided. The casing
produce a torque. curve such that when its eiîectv
yil) is provided’with a ’fuel passage I3 that is upon the piston is added to the reduced pressure
adapted to \ register with the passage in the vacting on the piston, the combined forcesv rep
intake manifold. Within this fuel passage there
is. mounted an' unbalanced or butterfly valve I4.
55 As shown in Figure 2 this valve is mounted on
resent a straight line; that is to say, the force j '
upon the .piston due to reduced pressure and ‘
torque upon thevalve varies directly as the_
2
2,125,011
movement of this piston. 'I‘his combined force,
therefore, can be balanced by a single spring.
The movement of the piston I8, in this struc
ture, is very nearly proportional to the angle
intake manifold, a governing member in the fuel
movement of the governor valve. Consequently,
the movement of the movable end of the spring
is also directly proportionate to the movement
pressure in the intake manifold on the down
stream side of said governing member, a spring
opposing movement of said element due to the
of the valve.
reduced pressure and means to transmit the clos
'
More specifically stated when the curves of'
10 Figures 5 and 6 are combined it will be found
passage actuated in a closing direction by the i
flow of gases in the fuel passage, said casing hav-
ing a movable element'subject to the reduced
ing force on said member to said element to aid
the reduced pressure acting thereon, said govern
that they produce a straight line and therefore
ing member and said movable element being so
can be» balanced. by a single spring the action
constructed and arranged that the sum of the
closing force effect and the reduced pressure ef
fect forma straight line when plotted against
the different positions of said element, whereby
of which is shown in Figure 7.
_
Having thus described the invention, what is
15 claimed as new and desired to be secured by
Letters Patent is:
1. A governor for internal combustion motors
including in combination, a casing having a fuel
passage therein adapted to be disposed in the
20 intake manifold, a butterfly valve in the fuel
passage actuated in a closing direction by the
flow of gases in the fuel passage, and having a
variable torque curve dueto such ñow, said cas
ing having a cylinder, afpiston disposed therein
subject to the reduced pressure in the intake
manifold, on the down-stream side of the valve,
a spring opposing movement of the piston due
to the reduced pressure and means to transmit
the effect of said torque to the piston to aid the
reduced pressure acting thereon, said elements
the governing member may be balanced in all po
sitions by a single spring.l
4. A governor for internal combustion motors
including in combination, a casing having a fuel
passage therein adapted to be disposed in the 20
intake manifold, a plate valve in said passage
rotatable about an axis transverse to the passage
and intersecting its -longitudinal center line and
offset from said axis, said valve when in full
open position being parallel to said center line 25
and when closed perpendicular to the same, said
casing having a movable element subject to the
reduced pressure on the down-stream side of
said valve, a spring opposing movement of said
element due to the reduced pressure, and means 30
being so constructed and arranged that the sum ~ to transmit the torque effect of said valve to
of the torque effect and the 'reduced pressure
effect form a straight line when plotted against
the different positions of the piston whereby the
35 valve may be balanced in all positions by a
said element to aid the reduced pressure acting
thereon, the sum of the torque and reduced
pressure effects on said element forming
a
single spring.
straight line when plotted against the different
positions of said element, whereby the valve may
2. A governor for internal combustion motors
including in combination, a casing having a fuel
be balanced in all positions by‘a single spring.
passage therein adapted to be disposed in the
intake manifold, a governing member in the
5. A governor for internal combustion motors
including».in'combination, a casing having a fuel
passage therein adapted to be disposed in the
fuel passage actuated in a closing direction by intake manifold, a butterfly valve in saidv pas
the ñow of gases in the fuel passage, the closing
sage rotatable about a transverse axis intersect
effect due to such flow being variable, said cas _ ing the longitudinal center line of the passage
ing having a cylinder, a piston disposed therein and, offset from said axis, said valve being of
subject to the reduced pressure in the intake less length than the corresponding transverse 45
L manifold on the down-stream side of said gov
dimension of said passage and movable from a
erning member, a spring opposing movement of 'position parallel to the center line to a position
the piston due to the reduced pressure, and perpendicular thereto, said casing having a mov- _ '
means to transmit the closing force on said
able element subject to the reduced pressure on
member to the piston to aid the reduced pres
the down-stream side of said valve, a spring op- _
sure acting thereon, said elements being so con
posing movement of said element due to the re
duced pressure, and means to transmit the
structed and arranged that the sum of the clos
ing force effect and the reduced .pressure effect
form a straight line when plotted against` dif
ferent positions of the piston, whereby the gov
erning member may be balanced in all positions
by a single spring.
`
3. A governor for internal combustion motors
including in combination, a casing having a fuel
passage therein adapted to be disposed in the
torque effect of said- valve to said element to
aid 'the reduced pressure acting thereon, the
sum of the torque and reduced pressure effects
on said elementv forming a straight line when
plotted against the different positions of said
element, whereby the valve may be balanced in
all positions by a single spring'.
HERMAN G. ADLER.
60
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