US1559216A - Internal-combustion engine - Google Patents

Internal-combustion engine Download PDF

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Publication number
US1559216A
US1559216A US7266A US726625A US1559216A US 1559216 A US1559216 A US 1559216A US 7266 A US7266 A US 7266A US 726625 A US726625 A US 726625A US 1559216 A US1559216 A US 1559216A
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United States
Prior art keywords
engine
fuel
still
combustion
combustion heater
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Expired - Lifetime
Application number
US7266A
Inventor
Lionel M Woolson
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Packard Motor Car Co
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Packard Motor Car Co
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Publication date
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Priority to US7266A priority Critical patent/US1559216A/en
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Publication of US1559216A publication Critical patent/US1559216A/en
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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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
    • F02M2700/4302—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit
    • F02M2700/4314—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit with mixing chambers disposed in parallel
    • F02M2700/4316—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit with mixing chambers disposed in parallel without mixing chambers disposed in parallel
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
    • F02M2700/4302—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit
    • F02M2700/434—Heating or cooling devices
    • F02M2700/4342—Heating devices
    • F02M2700/4357—Heating devices by other means
    • 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
    • F02M2700/00—Supplying, feeding or preparing air, fuel, fuel air mixtures or auxiliary fluids for a combustion engine; Use of exhaust gas; Compressors for piston engines
    • F02M2700/43—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel
    • F02M2700/4302—Arrangements for supplying air, fuel or auxiliary fluids to a combustion space of mixture compressing engines working with liquid fuel whereby air and fuel are sucked into the mixture conduit
    • F02M2700/434—Heating or cooling devices
    • F02M2700/4359—Cooling devices

Definitions

  • One of the objects of the invention is to provide means for utilizing the heavier grades of fuel in an internal combustion engine, while at the same time facilitating the starting of such engines.
  • Another object of the invention is to pro vide means for supplying an internal combustion engine with both a light and a heavy fuel from a single source of supply.
  • Another object of the invention is to provide means for utilizingsome of the heat of a combustion heater to distill a fractional part of the heavier fuel for use in starting,
  • this invention contemplates a single source of fuel supply and the use of a still in connection with the engine for separating some of the lighter fractions from the heav fuel and feeding these lighter distilledffactions to .17.
  • the tank 17 may the engine carburetor for starting, and to the combustion heater continuously.
  • 10 represents an internal combustion engine having an intake
  • a source of fuel supply is shown in the form of a tank 17 which may be mounted high enou h to permit the withdrawal of fuel there%rom by gravity, or it may be mounted in a lower position, as shown, and
  • a small pump 19 which is operated by the engine and adapted to supply pessure to the tank connected-to one of the float chambers, as 15, by a pipe 20 through a stillwhich will be hereinafter described.
  • a combustion heater 22 is adapted to-heat the mixture passing from, the carburetor 12 to the engine through the intake conduit 11.
  • This heater of itself, is of well known form and comprises a combustion chamber 23, having an outlet 24 into the intake conduit, a spark plug 25 for igniting the mixture in the chamber,'and a pipe 26 for supplying mixture to the chamber 23 as from a small carburetor 27 which is shown connected to the float chamber 14 of the carburetor 12.
  • a small glass window 28 permits theoperation of the combustion heater to be observed and the admission of additional air thereto may be controlled by a small valve 29 for the purpose of obtaining the best mixture.
  • the combustion heater operates by the suction of the enginesince the cinduit 24 enters the intake conduit above the throttle valve.
  • the engine suction draws a combustible mixture from the carburetor 27 through the ipe 26 and into the chamber 23 where it is red by the spark plu 25.
  • the hot burnt mixture passes throng the opening 24 into the intake conduit and thereby heats the mixture passing to the engine.
  • a still 30 is mounted on the combustion chamber 23.
  • the still is inthe form of an enclosed chamber surrounding the combustion chamber and is connected to the fuel supply 1'? by the pipe 20 hereinabove described.
  • pipe 32 also connects the lower part of the still with the float chamber 15.
  • the heavy fuel is fed to the still 30, and a valve 33 therein, controlled by a float 34, determines the levelto which the liquid is permitted to rise in the still.
  • the heat for the still is supplied by the combustion chamber 23 .and fins 35 may be provided to assist radiation at this point.
  • a condenser form of a tank 36 which may be supplied with radiation fins 37, and this tank, in addition to performing the function of a condenser, is also in the nature of an auxiliary supply tank for the lighter fractions of fuel that are received by it from the still 30.
  • a pipe 38 connects the upper part of the still 30 with the tank 36 so that the vapors produced by thestill will pass to the condenser where they will be condensed and stored.
  • the condenser 36 is connected to the float chamber 14 of the carburetor 12 as by a pipe 39, and thus the condenser or supply tank 36 will supply the carburetor 12 with fuel when the switch Valve 16 connects the float .14 to the carburetor, and regardless of the position of the switch valve 16, the condenser .36 will supply the carburetor 27 with fuel for the combustion heater 22.
  • the condenser .36 will supply the carburetor 27 with fuel for the combustion heater 22.
  • valve 16 has been so turned that the engine will run on the heavier fuel supplied from the float chamber 15, the combustion heater 22 will operate on the lighter fuel supplied to the float chamber 14 by the condenser 36.
  • the still 30 will continue to o verate and will replenish the supply of luel in the condenser 36 as fast as, or faster than it is withdrawn therefrom by the combustion heater, so that there will always be suflicient lighter fuel in the condenser 36'to start the engine after it has been stopped for a period of time.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

Oct. 27, 1925. 1,559,216
L. M. WOOLSON INTERNAL COMBU STI 0N ENGINE Original Filed Sept. 1, 1920 jn ucnfoz Lionel 7771110025017 Patented Oct. 27, 1925.
UNITED STATES PATENT OFFICE.
LIONEL M. WOOLSON, 0F DETROIT, MIG HIGAN, ASSIGNOR -TO PACKARD MOTOR CAR COMPANY, 015 DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.
INTERNAL-COMBUSTION ENGINE.
Original application filed September 1, 1920, Serial No. 407,443, Divided and this application filed February 6, 1925. Serial No. 7,266.
tion engines, particularly to the fuel feed-- ing mechanism thereof, and is a division of application Serial No. 407,443, filed September 1, 1920.
One of the objects of the invention is to provide means for utilizing the heavier grades of fuel in an internal combustion engine, while at the same time facilitating the starting of such engines.
Another object of the invention is to pro vide means for supplying an internal combustion engine with both a light and a heavy fuel from a single source of supply.
Another object of the invention is to provide means for utilizingsome of the heat of a combustion heater to distill a fractional part of the heavier fuel for use in starting,
as well asfor operating the combustion,
heateriii connection with the'engine.
Other objects of the invention will appear from the following description taken in connection with the drawing which forms a part of this specification, and in which the 4 single figure is a side elevation of an internal combustion engine embodying the invention, parts being broken away for better illustration, and equipped with a combustion heater and still. a
With the heavy fuels, such as kerosene, that it is now desired to use in internal combustion engines, difficulties in starting are encountered and where a combustion heater is used on the engine it is difficult to make it operate satisfactorily on these heavier grades of fuel. To obviate the necessity of having two definite sources of fuel supply, one a heavy fuel for running the engine after it is warmed up, and the other a lighter'fuel for starting and for feeding the combustion heater, this invention contemplates a single source of fuel supply and the use of a still in connection with the engine for separating some of the lighter fractions from the heav fuel and feeding these lighter distilledffactions to .17. The tank 17 may the engine carburetor for starting, and to the combustion heater continuously.
. Referring to the drawing, which is illustrative of the invention, 10 represents an internal combustion engine having an intake A source of fuel supply is shown in the form of a tank 17 which may be mounted high enou h to permit the withdrawal of fuel there%rom by gravity, or it may be mounted in a lower position, as shown, and
have connected to it, as by a pipe 18, a small pump 19 which is operated by the engine and adapted to supply pessure to the tank connected-to one of the float chambers, as 15, by a pipe 20 through a stillwhich will be hereinafter described.
A combustion heater 22 is adapted to-heat the mixture passing from, the carburetor 12 to the engine through the intake conduit 11. This heater, of itself, is of well known form and comprises a combustion chamber 23, having an outlet 24 into the intake conduit, a spark plug 25 for igniting the mixture in the chamber,'and a pipe 26 for supplying mixture to the chamber 23 as from a small carburetor 27 which is shown connected to the float chamber 14 of the carburetor 12. A small glass window 28 permits theoperation of the combustion heater to be observed and the admission of additional air thereto may be controlled by a small valve 29 for the purpose of obtaining the best mixture. I
It will be understood that the combustion heater operates by the suction of the enginesince the cinduit 24 enters the intake conduit above the throttle valve. The engine suction draws a combustible mixture from the carburetor 27 through the ipe 26 and into the chamber 23 where it is red by the spark plu 25. The hot burnt mixture passes throng the opening 24 into the intake conduit and thereby heats the mixture passing to the engine.
In the form of'the invention shown, a still 30 is mounted on the combustion chamber 23. The still is inthe form of an enclosed chamber surrounding the combustion chamber and is connected to the fuel supply 1'? by the pipe 20 hereinabove described. A
pipe 32 also connects the lower part of the still with the float chamber 15.
By the pressure in the tank 17, supplied by the pump 19, above referred to, the heavy fuel is fed to the still 30, and a valve 33 therein, controlled by a float 34, determines the levelto which the liquid is permitted to rise in the still. The heat for the still is supplied by the combustion chamber 23 .and fins 35 may be provided to assist radiation at this point.
A condenser form of a tank 36 which may be supplied with radiation fins 37, and this tank, in addition to performing the function of a condenser, is also in the nature of an auxiliary supply tank for the lighter fractions of fuel that are received by it from the still 30. A pipe 38 connects the upper part of the still 30 with the tank 36 so that the vapors produced by thestill will pass to the condenser where they will be condensed and stored.
The condenser 36 is connected to the float chamber 14 of the carburetor 12 as by a pipe 39, and thus the condenser or supply tank 36 will supply the carburetor 12 with fuel when the switch Valve 16 connects the float .14 to the carburetor, and regardless of the position of the switch valve 16, the condenser .36 will supply the carburetor 27 with fuel for the combustion heater 22. Thus it is possible to start the engine on the lighter fuel contained in the condenser Shand so operate it until the engine is warm enough to run on kerosene'or other heavier fuel. valve 16 has been so turned that the engine will run on the heavier fuel supplied from the float chamber 15, the combustion heater 22 will operate on the lighter fuel supplied to the float chamber 14 by the condenser 36. Of course the still 30 will continue to o verate and will replenish the supply of luel in the condenser 36 as fast as, or faster than it is withdrawn therefrom by the combustion heater, so that there will always be suflicient lighter fuel in the condenser 36'to start the engine after it has been stopped for a period of time.
In the form of the invention illustrated, it is probable that a considerable amount of mixture would be fed to the combustion for the still is shown in the But even after the switch assassin heater due to the fact that much of its heat would be absorbed by the still, but, within reasonable, limits, any desired amount of mixture can be fed to the combustion heater so that there will be sufficient heat both for operating the still and for heating the mixture passing from the carburetor 12 to the engine.
It will be understood that the forms shown herein are illustrative only of the invention, and various modifications there of ma be made without departing from the spirit or scope of the invention as defined by the claims. i
What is claimed is 1. In an internal combustion engine, the combination with a combustion heater for heating the mixture passing to the engine, of a still operated by the heat 'from said combustion heater and adapted to supply fuel for the engine.
2. In an internal combustion engine, the combination with the engine intake conduit, and a combustion heater connected thereto, of a still operated by the heat from said. combustion heater and adapted to supply fuel for the engine.
3. In an internal combustion engine, the combination with a combustion heater operated by engine suction, of a still operated by heat from said combustion heater, and a cooler connected to the still and to the engine.
4. In an internal combustion engine, the combination with the'engine carburetor and a combustion heater having a separate carburetor, of a still operated by heat from the combustion heater, and a condenser for the still connected to both said carburetors and to the combustion heater.
5. In an internal combustion engine, the combination with the engine carburetor and a combustion'heater, of a still operated by heat from the combustion heater, and a condenser forthe still adapted to supply to the carburetor fuel for starting the engine only, and all the fuel for the combustion heater.
6. In an internal combustion engine, the combination of an engine cylinder, a still. and a combustion heater operated by the engine and adapted to heat said still.
7. In an internal combustion engine, the combination of an engine and a combustion heater, of an'oil still operated by the engine and heated by the combustion heater.
In testimony whereof I ailix my signature.
LIONEL M. VVOOLSON.
US7266A 1920-09-01 1925-02-06 Internal-combustion engine Expired - Lifetime US1559216A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688755A (en) * 1971-04-05 1972-09-05 Mobil Oil Corp Fuel supply system for reduced exhaust emission
US4020801A (en) * 1973-11-09 1977-05-03 Politechnika Karkowska Two-stroke, multicylinder, spark ignition, pumpless injection internal combustion engine
US4181111A (en) * 1977-03-17 1980-01-01 Toyota Jidosha Kogyo Kabushiki Kaisha Method for feeding a fuel and a fuel feed device for use in an internal combustion engine
US4220120A (en) * 1973-12-14 1980-09-02 Union Oil Company Of California Internal combustion engine system and operation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688755A (en) * 1971-04-05 1972-09-05 Mobil Oil Corp Fuel supply system for reduced exhaust emission
US4020801A (en) * 1973-11-09 1977-05-03 Politechnika Karkowska Two-stroke, multicylinder, spark ignition, pumpless injection internal combustion engine
US4220120A (en) * 1973-12-14 1980-09-02 Union Oil Company Of California Internal combustion engine system and operation
US4181111A (en) * 1977-03-17 1980-01-01 Toyota Jidosha Kogyo Kabushiki Kaisha Method for feeding a fuel and a fuel feed device for use in an internal combustion engine

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