US2930432A - Automatic carburetor adjustment for burning of different fuels - Google Patents

Automatic carburetor adjustment for burning of different fuels Download PDF

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Publication number
US2930432A
US2930432A US524195A US52419555A US2930432A US 2930432 A US2930432 A US 2930432A US 524195 A US524195 A US 524195A US 52419555 A US52419555 A US 52419555A US 2930432 A US2930432 A US 2930432A
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Prior art keywords
fuel
tank
burning
engine
hydrometer
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US524195A
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William A Engstrom
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Continental Motors Corp
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Continental Motors Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M13/00—Arrangements of two or more separate carburettors; Carburettors using more than one fuel
    • F02M13/06—Arrangements of two or more separate carburettors; Carburettors using more than one fuel the carburettors using different fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2504—By specific gravity
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7303—Control of both inflow and outflow of tank
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7313—Control of outflow from tank
    • Y10T137/7323—By float
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve
    • Y10T137/7439—Float arm operated valve
    • Y10T137/7485—Pivoted valve
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7736—Consistency responsive

Definitions

  • Fig. 1 is a diagrammatic view illustrating the entire control system
  • Fig. 2 is a fragmentary view showing how a nozzle jet of a carburetor may be thus automatically adjusted
  • Fig. 3 is a fragmentary view showing the control system associated with a fuel metering valve of a fuel injection apparatus.
  • Fig. 1 of the drawing 10 designates an internal combustion engine, 11 thel carburetor, 12 the conventional intake manifold, and 14 the conventional fuel pump.
  • a fuel supply tank 15 is provided for the storage of any one of a wide variety of fuels and suitable fuel lines 16 are employed to connect the fuel tank to the pump, and the pump outlet to the carburetor.
  • An auxiliary tank 17 is connected by the fuel line 18 to the supply tank 15, this connection being suitably controlled by a conventional oat actuated valve 19, said float 20 located within the auxilitary tank and being operated to maintain a constant level of fuel in said auxiliary tank.
  • a oat hydrometer 21 of standard construction is slidably supported by guides 22, and as well known to those skilled in the art, this oat hydrometer is constructed to have a variable disposition in the fuel depending on the specific gravity of the fuel in which it lloats. It is known that a hydrometer type lloat will sink to various levels in fuels of various specific gravity, and for example it is noted that a standard oat hydrometer will sink two inches deeper in gasoline than it does in jet fuel.
  • variable relationship of a tloat type hydrometer and the liquid in which it is floated is utilized to operate a mercury switch 25 controlling the supply of electric current from battery 26 through conductors 27 to a solenoid actuator 28.
  • Suitable mechanical connections 29 from the actuator 28 to the needle valve 30 of the carburetor 11 are employed to adjust the carburetor jet, whereby to provide the proper size jet for the fuel being used for operating hte engine.
  • various types of fuel metering ice devices may be employed to control the discharge of fuel ⁇ to the engine, many of these fuel metering devices embodying an angularly adjustable metering valve 35 of fuel injection pump 40 as illustrated in Fig.y 3.
  • Connections 36 connect the solenoid actuator 28 to the angularly adjustable fuel metering valve to automatically effect the required adjustment for the fuelbeing used to operate the engine.
  • any desired type of multiple contact mercury switch Z5 may be employed to control the desired operation of the solenoid actuator 28, and it' will be obvious that various degrees of adjustment may be had if so desired.
  • a fuel supply system operable to supply a combustible fuel charge to said engine and comprising a liquid fuel supply tank, a fuel pump having its inlet connected with said fuel supply tank, a regulable fuel metering means operable to meter fuel to said engine and connected with the fuel outlet of said fuel pump, said fuel pump supplying fuel under pressure to said fuel metering means, and control means for adjusting said fuel regulable means
  • said control means comprising an actuator operably connected with said fuel regulable means and a specific gravity sensing lloat hydrometer disposed in said fuel tank and remotely operably connected with said actuator to adjust same in response to a predetermined change of the specific gravity of the liquid fuel in said fuel tank to adjust said fuel metering means in accordance with said fuel specific gravity, and means maintaining a constant level of fuel in said fuel tank.
  • a fuel supply system operable to supply a combustible fuel charge to said engine and comprising a liquid fuel supply tank, a fuel pump having its inlet connected with said fuel supply tank, a regulable fuel metering means operable to meter fuel to said engine and connected with the fuel outlet of said fuel pump, said fuel-pump supplying fuel under pressure to said fuel metering means, and control means for adjusting said fuel regulableY means, said control means comprising an actuator operably connected with said fuel regulable means and a specific gravity sensing float hydrometer disposed in said fuel tank and remotely operably connected with said actuator to adjust same in response to a predetermined change of the specic gravity of the liquid fuel in said fuel tank to adjust said fuelmetering means in accordance with said fuel specific gravity, said fuel supply tank having a main tank and an auxiliary tank connected with said main tank and provided with a oat actuated valve means operable to maintain aV substantially constant level of liquid fuel in said auxiliary tank, said actuator comprising a solenoid oper

Description

United States Patent O AUTOMATIC CARBURETOR ADJUSTMENT FOR BURNING OF DIFFERENT FUELS William A. Engstrom, Muskegon, Mich., assignor to Continental Motors Corporation, Muskegon, Mich., a corporation of Virginia Application July 25, 1955, Serial No. 524,195
2 Claims.- (Cl. 158-36) My invention relates to internal combustion engines and more particularly to a fuel or fuel and air mixture control for such engines.
It is necessarily a requirement in engine design to now construct same for burning a wide variety of fuels, from diesel fuels to high octane gasoline, with the further requirement that same be burned without manual adjustments being required on the carburetor or fuel injector.
It is an object of my present invention to provide for the burning of a wide variety of fuels in carbureted engines, as well as in fuel injection engines, by constructing a control device responsive to the specific gravity of the fuel being used, which control device may be actuated to automatically adjust the jet of a carburetor or vary the fuel metering control of a fuel injection pump.
For a more detailed understanding of my invention, reference may be had to the accompanying drawing illustrating a preferred embodiment of my invention in which like characters refer to like parts throughout the several views, and in which- Fig. 1 is a diagrammatic view illustrating the entire control system,
Fig. 2 is a fragmentary view showing how a nozzle jet of a carburetor may be thus automatically adjusted, and
Fig. 3 is a fragmentary view showing the control system associated with a fuel metering valve of a fuel injection apparatus.
I have chosen to show the control system when applied to a carbureted engine, and referring more particularly to Fig. 1 of the drawing, 10 designates an internal combustion engine, 11 thel carburetor, 12 the conventional intake manifold, and 14 the conventional fuel pump.
A fuel supply tank 15 is provided for the storage of any one of a wide variety of fuels and suitable fuel lines 16 are employed to connect the fuel tank to the pump, and the pump outlet to the carburetor.
An auxiliary tank 17 is connected by the fuel line 18 to the supply tank 15, this connection being suitably controlled by a conventional oat actuated valve 19, said float 20 located within the auxilitary tank and being operated to maintain a constant level of fuel in said auxiliary tank. A oat hydrometer 21 of standard construction is slidably supported by guides 22, and as well known to those skilled in the art, this oat hydrometer is constructed to have a variable disposition in the fuel depending on the specific gravity of the fuel in which it lloats. It is known that a hydrometer type lloat will sink to various levels in fuels of various specific gravity, and for example it is noted that a standard oat hydrometer will sink two inches deeper in gasoline than it does in jet fuel.
Therefore, the variable relationship of a tloat type hydrometer and the liquid in which it is floated is utilized to operate a mercury switch 25 controlling the supply of electric current from battery 26 through conductors 27 to a solenoid actuator 28.
Referring to Fig. 2 it will be observed that suitable mechanical connections 29 from the actuator 28 to the needle valve 30 of the carburetor 11 are employed to adjust the carburetor jet, whereby to provide the proper size jet for the fuel being used for operating hte engine. In a fuel injection engine, various types of fuel metering ice devices may be employed to control the discharge of fuel` to the engine, many of these fuel metering devices embodying an angularly adjustable metering valve 35 of fuel injection pump 40 as illustrated in Fig.y 3. Connections 36 connect the solenoid actuator 28 to the angularly adjustable fuel metering valve to automatically effect the required adjustment for the fuelbeing used to operate the engine.
Any desired type of multiple contact mercury switch Z5 may be employed to control the desired operation of the solenoid actuator 28, and it' will be obvious that various degrees of adjustment may be had if so desired.
While I have illustrated but one embodiment of my invention, it will be apparent, however, to those skilled in the art to which my invention pertains that various changes and modifications may be made therein without departing from the spirit of my invention or from the scope' of the appended claims. j
I claim: Y
1. In an internal combustion engine, a fuel supply system operable to supply a combustible fuel charge to said engine and comprising a liquid fuel supply tank, a fuel pump having its inlet connected with said fuel supply tank, a regulable fuel metering means operable to meter fuel to said engine and connected with the fuel outlet of said fuel pump, said fuel pump supplying fuel under pressure to said fuel metering means, and control means for adjusting said fuel regulable means, said control means comprising an actuator operably connected with said fuel regulable means and a specific gravity sensing lloat hydrometer disposed in said fuel tank and remotely operably connected with said actuator to adjust same in response to a predetermined change of the specific gravity of the liquid fuel in said fuel tank to adjust said fuel metering means in accordance with said fuel specific gravity, and means maintaining a constant level of fuel in said fuel tank. t Y
2. In an internal combustion engine, a fuel supply system operable to supply a combustible fuel charge to said engine and comprising a liquid fuel supply tank, a fuel pump having its inlet connected with said fuel supply tank, a regulable fuel metering means operable to meter fuel to said engine and connected with the fuel outlet of said fuel pump, said fuel-pump supplying fuel under pressure to said fuel metering means, and control means for adjusting said fuel regulableY means, said control means comprising an actuator operably connected with said fuel regulable means and a specific gravity sensing float hydrometer disposed in said fuel tank and remotely operably connected with said actuator to adjust same in response to a predetermined change of the specic gravity of the liquid fuel in said fuel tank to adjust said fuelmetering means in accordance with said fuel specific gravity, said fuel supply tank having a main tank and an auxiliary tank connected with said main tank and provided with a oat actuated valve means operable to maintain aV substantially constant level of liquid fuel in said auxiliary tank, said actuator comprising a solenoid operable to adjust said fuel metering means, said oat hydrometer being buoyantly floated in the auxiliary tank fuel supply .and a switch operably connected with'said hydrometer and with said solenoid and operable to actuate said solenoid in response to changes of'buoyancy of said hydrometer eifected by predetermined specific gravity changes of said fuel.
References Cited in the tile of this patent UNITED STATES PATENTS 2,715,831 Catford etal. Aug. 23. 1955 2,930,4az.,V
US524195A 1955-07-25 1955-07-25 Automatic carburetor adjustment for burning of different fuels Expired - Lifetime US2930432A (en)

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282323A (en) * 1965-04-14 1966-11-01 Gen Electric Viscosity responsive devices
EP0034534B1 (en) * 1980-02-19 1984-01-11 Maurice-André Tacquet Device for feeding fuel and controlling the viscosity of that fuel
US4524033A (en) * 1983-03-31 1985-06-18 Elledge Jefferson D Multiple fuel carburetor
US4594201A (en) * 1984-04-16 1986-06-10 Oliver V. Phillips Multi-fuel system for internal combustion engines
US5111650A (en) * 1989-07-22 1992-05-12 Palitex Project Company Gmbh Apparatus for refillilng a yarn wetting agent into a yarn wetting device for a textile machine
US5197569A (en) * 1992-05-26 1993-03-30 Trico Mfg. Corp. Constant depth reservoir
US6447573B1 (en) 1997-03-19 2002-09-10 Trico Manufacturing Company Apparatus and method for lubricant condition control and monitoring
US20030075043A1 (en) * 1999-12-08 2003-04-24 Trico Mfg. Corp. Apparatus and method for lubricant condition control and monitoring from a remote location
US20040040789A1 (en) * 1997-03-19 2004-03-04 Trico Mfg. Corporation Apparatus and method for lubricant condition control and monitoring
US20060073303A1 (en) * 2004-10-04 2006-04-06 Trico Mfg. Corp. Flinger disc
US20080026175A1 (en) * 2004-10-04 2008-01-31 Trico Mfg. Corp. Flinger disc
US20090230158A1 (en) * 2008-03-12 2009-09-17 Trico Corporation Lubricant dispenser with nozzle
US20100252135A1 (en) * 2009-04-03 2010-10-07 Moxley Ryan S Multi-fuel carburetors and related methods
US20100264071A1 (en) * 2009-03-27 2010-10-21 Trico Corporation Apparatus and methods for lubricant filtration and drum pump filtration system
US20110180492A1 (en) * 2010-01-22 2011-07-28 Trico Corporation Portable Lubricant filtration system and method
US8096164B2 (en) 2008-01-17 2012-01-17 Trico Corporation Apparatus and methods for management of fluid condition
USD687921S1 (en) 2012-04-25 2013-08-13 Trico Corporation Lubricant dispenser
USD687923S1 (en) 2008-06-03 2013-08-13 Trico Corporation Lubricant dispensing nozzle
USD687922S1 (en) 2012-04-25 2013-08-13 Trico Corporation Lubricant dispenser
USD696956S1 (en) 2012-04-25 2014-01-07 Trico Corporation Lubricant dispenser

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760382A (en) * 1926-01-23 1930-05-27 Teesdale Mfg Company Controlling means for electric switches
US2627906A (en) * 1948-02-23 1953-02-10 Rolls Royce Fuel metering system for internalcombustion engines
US2685917A (en) * 1950-03-10 1954-08-10 Perry Stanley Oil burner
US2715831A (en) * 1952-09-11 1955-08-23 Napier & Son Ltd Apparatus for sensing changes in the specific gravity of a liquid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760382A (en) * 1926-01-23 1930-05-27 Teesdale Mfg Company Controlling means for electric switches
US2627906A (en) * 1948-02-23 1953-02-10 Rolls Royce Fuel metering system for internalcombustion engines
US2685917A (en) * 1950-03-10 1954-08-10 Perry Stanley Oil burner
US2715831A (en) * 1952-09-11 1955-08-23 Napier & Son Ltd Apparatus for sensing changes in the specific gravity of a liquid

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282323A (en) * 1965-04-14 1966-11-01 Gen Electric Viscosity responsive devices
EP0034534B1 (en) * 1980-02-19 1984-01-11 Maurice-André Tacquet Device for feeding fuel and controlling the viscosity of that fuel
US4524033A (en) * 1983-03-31 1985-06-18 Elledge Jefferson D Multiple fuel carburetor
US4594201A (en) * 1984-04-16 1986-06-10 Oliver V. Phillips Multi-fuel system for internal combustion engines
US5111650A (en) * 1989-07-22 1992-05-12 Palitex Project Company Gmbh Apparatus for refillilng a yarn wetting agent into a yarn wetting device for a textile machine
US5197569A (en) * 1992-05-26 1993-03-30 Trico Mfg. Corp. Constant depth reservoir
US7140468B2 (en) 1997-03-19 2006-11-28 Trico Mfg. Corp. Apparatus and method for lubricant condition control and monitoring
US6447573B1 (en) 1997-03-19 2002-09-10 Trico Manufacturing Company Apparatus and method for lubricant condition control and monitoring
US20040040789A1 (en) * 1997-03-19 2004-03-04 Trico Mfg. Corporation Apparatus and method for lubricant condition control and monitoring
US20030075043A1 (en) * 1999-12-08 2003-04-24 Trico Mfg. Corp. Apparatus and method for lubricant condition control and monitoring from a remote location
US6932856B2 (en) 1999-12-08 2005-08-23 Trico Mfg. Corp. Apparatus and method for lubricant condition control and monitoring from a remote location
US20080026175A1 (en) * 2004-10-04 2008-01-31 Trico Mfg. Corp. Flinger disc
US7862875B2 (en) 2004-10-04 2011-01-04 Trico Corporation Flinger disc
US20060073303A1 (en) * 2004-10-04 2006-04-06 Trico Mfg. Corp. Flinger disc
US8096164B2 (en) 2008-01-17 2012-01-17 Trico Corporation Apparatus and methods for management of fluid condition
US8220671B2 (en) 2008-03-12 2012-07-17 Trico Corporation Lubricant dispenser with nozzle
US20090230158A1 (en) * 2008-03-12 2009-09-17 Trico Corporation Lubricant dispenser with nozzle
USD687923S1 (en) 2008-06-03 2013-08-13 Trico Corporation Lubricant dispensing nozzle
US20100264071A1 (en) * 2009-03-27 2010-10-21 Trico Corporation Apparatus and methods for lubricant filtration and drum pump filtration system
US8147684B2 (en) 2009-03-27 2012-04-03 Trico Corporation Apparatus and methods for lubricant filtration and drum pump filtration system
US20100252135A1 (en) * 2009-04-03 2010-10-07 Moxley Ryan S Multi-fuel carburetors and related methods
US8313091B2 (en) 2009-04-03 2012-11-20 Honda Motor Co., Ltd. Multi-fuel carburetors and related methods
US20110180492A1 (en) * 2010-01-22 2011-07-28 Trico Corporation Portable Lubricant filtration system and method
US8147683B2 (en) 2010-01-22 2012-04-03 Trico Corporation Portable lubricant filtration system and method
USD687921S1 (en) 2012-04-25 2013-08-13 Trico Corporation Lubricant dispenser
USD687922S1 (en) 2012-04-25 2013-08-13 Trico Corporation Lubricant dispenser
USD696956S1 (en) 2012-04-25 2014-01-07 Trico Corporation Lubricant dispenser

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