US1201240A - Governing device for gas-engines. - Google Patents

Governing device for gas-engines. Download PDF

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Publication number
US1201240A
US1201240A US1913808881A US1201240A US 1201240 A US1201240 A US 1201240A US 1913808881 A US1913808881 A US 1913808881A US 1201240 A US1201240 A US 1201240A
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Prior art keywords
engine
valve
cylinder
piston
pistons
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Reuben B Benjamin
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Benjamin Electric Manufacturing Co
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Benjamin Electric Manufacturing Co
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Priority to US1913808881 priority Critical patent/US1201240A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7748Combustion engine induction type
    • Y10T137/7752With separate reactor surface

Definitions

  • My invention relates to improvements in governing devices for gas engines.
  • Another object .of my invention is to provide a governor by which the speed may be determined and the speed of the engine maintained constant at this predetermined speed as long as desired irrespective the variations in load upon the engine.
  • Fig. 2 is an end view of the device shown in Fig. 1;
  • Fig. 3 is a top plan view;
  • Fig. 4 is a sectional view taken on the line 4.4 of Fig. 1;
  • Fig. 5 is a longitudinal sectional view showing a modification :Of my invention;
  • Fig. 6 is an end viewthereof;
  • Fig. 7 is a top plan view; and
  • Fig. 8 is a view of a gas engine showing my invention applied.
  • each one of these chambers communicates, throughports 20, with the interior of the section 10 below the throttle valve.
  • Qperatingin each one of these chamber's are movable pistons 21 which are rigidly mountedv on the shaft 15.
  • thepistons preferably take the form of a single rotating vane secured on the shaft and extending in opposite directions to the side walls of the cylinder, thus forming a pair of oscillating pistons operating in the chambers 17 and 18.
  • Ports 22 extending to the atmosphere are formed in each chamber between the pistons andthe web 19.
  • the valve may also be closed and opened independently of this governing device by means of a pair of operating rods 31.
  • rods are supported by suitable guides and have their ends turned so as to be in a position to engage a crank pin 32 on the end'of the shaft 15.
  • the turned ends of the rods are sufliciently spaced apart to permit the crank'pin to turn with the valve when the valve is turned by the influence of the pistons 21, but by a continued movement of either of the rods 31 the pin can be engaged for the purpose of rotating the valve 14' completely open or' completely closed.
  • These rods 31 and the rod '29 may be lead to a position where they can be operated by the driver from his seat when the governor is applied to an explosive engine driving a vehicle.
  • the nut 39 is provided with a square head to which is connected an operating lever arm 44 connected I provide a deadeneIf-Wheel 46 mounted-on the shaft l5'the inertia ofwhich tends 'to prevent fluttering ofthe valve.
  • the operation of this form of my invention is substan tially the same as that illustrated in Figs.
  • T 1e combination with a throttle valve .of an explosive engine, of a cylinder commmiicatingwith the intake pipe of the eng'lne, a web dlviding said cylinderinto two longitudlnal chambers, each of said chambers communicating with the intake pipe of the engine, a pair of pistons connectedwith the shaft of the throttle valve and operating in said chambers, and a spring tending to move said pistons in one direction While the variations in pressure in said chambers tend to move the pistons in the opposite direction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Description

Patented Oct. 17,1916.
2 SHEE'TSfSHEET l- E n. B. BENJAMIN. V GOVERNING DEVICE'FOR ENGINES.
APPLICATION FILED DEC.26, l9l3- H.IJ. r
R. 'B.'BENJAM|N. 5 GOVERNING DEVICE FOR GAS ENGINES.
I APPLICATION FILED 05.0.2.6, I913. v 1,201,240. Patented.- Oct. 17,191 7 .2 SNEE T SSHEET2 5 ii f I j I I I I I I I I I [I I I! ll UNITED STATES PATENT OFFICE.
REUBEN B. BENJAMINQ OF CHICAGO, ILLINOIS, ASSIGNOR TO BENJAMIN ELECTRIC MANUFACTURING COMPANY, OF CHICAGO, ILLINOIS, CORPORATIONDF ILLINOIS.
GOVERNING DEVICE FOR GAS-ENGINES.
Specification of Letters Patent. Patented Oct, 17, 1916.
. Application filed December as, 1913. Serial No. 808,881.
To all whom it may concern Be it known that I, RE BEN B. BENJAMIN, a citizen of the United States, residing at Chicago, in the county of-Cook and State of-Illinois, have invented new and useful Improvements in Governing Devices for Gas-Engines, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying drawing, forming a part of this specification.
My invention relates to improvements in governing devices for gas engines.
One of the objects of my invention is to maintain the engine at a substantially constant speed. v
Another object .of my invention is to provide a governor by which the speed may be determined and the speed of the engine maintained constant at this predetermined speed as long as desired irrespective the variations in load upon the engine.
For the purpose of disclosing my invention I have illustrated in the accompanying drawings certain preferred embodiments thereof, and in said drawings: Figure l'is a longitudinal sectional view of one form of my invention showing the same applied to.
the throttle valve of a gasolene engine; Fig. 2 is an end view of the device shown in Fig. 1; Fig. 3 is a top plan view; Fig. 4 is a sectional view taken on the line 4.4 of Fig. 1; Fig. 5 is a longitudinal sectional view showing a modification :Of my invention; Fig. 6 is an end viewthereof; Fig. 7 is a top plan view; and Fig. 8 is a view of a gas engine showing my invention applied.
In the embodiment illustrated in Figs.
1-4 I provide an insertible section 10 of the manifold or intake 11 of a gas engine 9.
This section is inserted between the end ofthe manifold and-.the carbureter .12 and forms a part of the manifold. It is provided throttle valve 1 1 which is adapted to control This 'and the engine may run u the admission of'gas to the engine.
valve is mounted upon a suitable rotatable;
- formed on the side of the section 10.-
. ranged within the cylinder tolongitudinally divide the same into two chambers 17 and 18 is a web 19; Each one of these chambers communicates, throughports 20, with the interior of the section 10 below the throttle valve. Qperatingin each one of these chamber's are movable pistons 21 which are rigidly mountedv on the shaft 15. In practice thepistons preferably take the form of a single rotating vane secured on the shaft and extending in opposite directions to the side walls of the cylinder, thus forming a pair of oscillating pistons operating in the chambers 17 and 18. Ports 22 extending to the atmosphere are formed in each chamber between the pistons andthe web 19.
As is well understood, an increase in's'peed of the engine increases the suction in the manifold, therefore anincrease in speed of the engine will create a partial vacuumin each one of the chambers 17 and 18 on one side of the pistons 21. Due to this arrange- -ment, as. the speed of. the engine increases,
scribed, this rotation will tend to close the.
valve. The pistons 21 are;held in normal position by a spring 23, one end of which is connected to the shaft 15 and the other end of which is connected by a screw 24: to a rotatable disk 25 mounted on the sleeve 26 secured to the head 27 of the cylinder. This disk 25 is provided with an arm 28 by which' it is connected with a suitable operating" rod 29 and is held against rotating in one directionfby a pin 30. The tendency of this rin is, when the arm 28 is bearing againstthe pin 30, to rotate the pistons 21 to open the throttle valve "14. By moving or rotating the JllSk- 25 in av contra-clockwise direction thespring 23 will be wound up and thereby the normal pull to open the valve increased so that it'. will take" an increased suction to overcome the tension of the spring to a greater speed before the pistons w' l commence to rotate to close the throttle valve.
' The valve may also be closed and opened independently of this governing device by means of a pair of operating rods 31.
' connected thereto a piston rod which expitch.
These rods are supported by suitable guides and have their ends turned so as to be in a position to engage a crank pin 32 on the end'of the shaft 15. The turned ends of the rods are sufliciently spaced apart to permit the crank'pin to turn with the valve when the valve is turned by the influence of the pistons 21, but by a continued movement of either of the rods 31 the pin can be engaged for the purpose of rotating the valve 14' completely open or' completely closed. These rods 31 and the rod '29 may be lead to a position where they can be operated by the driver from his seat when the governor is applied to an explosive engine driving a vehicle.
. In Figs. 5, 6 and 7 I have illustrated a 'modification. of the invention disclosed in Figs. 1 to 4. Inthe structure illustrated in Figs. 5 to 7, I have provided the same insertiblesection 10 provided with the throttle valve 14 mounted upon the shaft 15. Ex-
tending laterally from the section 10 is a cylinder33 within which operates asuitable reciprocating piston 34. This piston has tends'through the side wall of the section 10 and is connected, by suitable pivotal link connections 36, with the throttle valve 14.- The cylinder 33 has a port 37 communicating with the interior of the section 10 in front of the piston 34, and at the rear of the piston a port 38 communicating with the at mosphere; The top of the cylinder is closed by anut 39 which is screw-threaded into the cylinder on screw-threads having a large The piston rod 35 is extended through the nut 39 and is provided, at its upper end, with a suitable bearing washer 40 held in position by nuts 41 screwed on the end of the'rod, and interposed between this washer and a shoulder 42 in the nut 39 is a coiled spring 43, which tends to maintain the throttle valve 14 in its open position and forms a resistance device against which the suction or partial vacuum created in the cylinder 33 operates. The nut 39 is provided with a square head to which is connected an operating lever arm 44 connected I provide a deadeneIf-Wheel 46 mounted-on the shaft l5'the inertia ofwhich tends 'to prevent fluttering ofthe valve. The operation of this form of my invention is substan tially the same as that illustrated in Figs.
1 to 4, it'bei1ig understood of course that as the speed oftheengineincreases thesuction of its pistons increases and this suction tends to create a partial vacuum in the cylinder 33, thereby causing the piston to move in the cylinder against the tension of the coiled spring 43, and in a direction to close the valve 14. By adjusting the tension of the spring to the desiredfpoint the piston will be held against movement until a predetermined speed has been reached. After this speed has been reached, however, an increased suction. in the manifold by the pistons of the engine operating at an increased speed will move the piston 34, thereby closing or partially closing the valve 14 and cutting off the fuel supply to the engine.
' While I have shown and described certain forms of my invention it will be understood that various modifications and changes may be made therein Without departing from the spirit of the invention as set forth in the appended claims.
Having thus described my invention What I claim as new and desire to secure by Letters Patent is:
1. The combination with a throttle valve of an explosive engine, of a cylinder having the pressure therein varied in accordance with the variations in pressure in the intake pipe of an engine, an oscillatin piston in said cylinder connected with said valve,'and a tension device against which said piston operates.
2. The combination with a throttle valve of an explosive engine, of a cylinder having the pressure therein varied in accordance with the variations in pressure in the intake pipe of the engine, an oscillating piston operating in said cylinder and connected with .said valve, a tension device against which said piston operates, and means forvarying the tension of said device.
3. The combination with a throttle valve of an explosive-engine, of a cylinder having 'the pressure therein varied in accordance with the variations in pressure in the intake pipe ofthe engine, a piston connected with said valve and operating in said cylinder,
and means for opening 1 and closing said valve independently of said piston while permittingsaid piston to operate upon the valve. K
4. The combination with a throttle valve of an explosive engine, of a cylinder longitudinally divided into sections, each section having the pressure therein varied in a c-' cordance with the variations in pressure in the intake pipe of the engine, and an oscillating iston in each of said chambers.
. 5; T 1e combination with a throttle valve .of an explosive engine, of a cylinder commmiicatingwith the intake pipe of the eng'lne, a web dlviding said cylinderinto two longitudlnal chambers, each of said chambers communicating with the intake pipe of the engine, a pair of pistons connectedwith the shaft of the throttle valve and operating in said chambers, and a spring tending to move said pistons in one direction While the variations in pressure in said chambers tend to move the pistons in the opposite direction.
In Witness whereof, I have hereunto subseribed my name in the presence of two witnesses. I
REUBEN B. BENJAMIN,
Witnesses:
' E. R. KING,
W. PERRY HALEY.
US1913808881 1913-12-26 1913-12-26 Governing device for gas-engines. Expired - Lifetime US1201240A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742613C (en) * 1934-04-03 1943-12-08 Marcel Louis Mennesson Off-center in the intake manifold on carburettors for internal combustion engines mounted speed control and speed limiting throttle
US2725895A (en) * 1952-03-20 1955-12-06 Sncaso Flow-regulators for fluids
US7427057B1 (en) * 2006-02-24 2008-09-23 Walbro Engine Management, L.L.C. Control valve assembly of a carburetor and method of assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742613C (en) * 1934-04-03 1943-12-08 Marcel Louis Mennesson Off-center in the intake manifold on carburettors for internal combustion engines mounted speed control and speed limiting throttle
US2725895A (en) * 1952-03-20 1955-12-06 Sncaso Flow-regulators for fluids
US7427057B1 (en) * 2006-02-24 2008-09-23 Walbro Engine Management, L.L.C. Control valve assembly of a carburetor and method of assembly

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