US1597787A - Method of and apparatus for regulating the fuel supply in internalcombustion engines - Google Patents

Method of and apparatus for regulating the fuel supply in internalcombustion engines Download PDF

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Publication number
US1597787A
US1597787A US713067A US71306724A US1597787A US 1597787 A US1597787 A US 1597787A US 713067 A US713067 A US 713067A US 71306724 A US71306724 A US 71306724A US 1597787 A US1597787 A US 1597787A
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fuel
engine
regulating
chamber
control valve
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US713067A
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Hausser Friedrich
Ellerbusch Hermann
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D3/00—Controlling low-pressure fuel injection, i.e. where the fuel-air mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump
    • F02D3/02—Controlling low-pressure fuel injection, i.e. where the fuel-air mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump with continuous injection or continuous flow upstream of the injection nozzle
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/50—Arrangement of fuel distributors, e.g. with means for supplying equal portion of metered fuel to injectors
    • 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
    • F02M2700/05—Miscellaneous constructional elements; Leakage detection
    • F02M2700/055—Fuel distribution among injection nozzles

Definitions

  • Our invention rela-tes to a method of and apparatus for regulating the fuel .supply in internal combustion engines particularly for automobiles.
  • the injection period 1n inverse proportion to the speed of the fuel pump.
  • the fuel delivery ofthe pump which is in excess of the demand of the engine is conducted to a control valvel chamber, preferably through a compensation tank or the like.
  • 'lhe pressure in said control valve chamber is regulated in proportion to the load on the engine, preferably by a needle valve Which by-passes and returns to the "fuel tank the excess fuel.
  • the needlevalve' may be adjusted directly bythe speed governor of the engine, orpreferably in lcar engines-by the vacuum at the rear lof the Athrottle which may be set from the outside by known means.
  • the fuel is delivered to the ⁇ cylinderl or'cylinders by a distributor operatedby the engine.
  • AThe distributor connects the cylinder or cylinders yWith the control valve chamberat the right time and determines the period of injection in inverse i proportion to the delivery 0f the fuel pump,
  • FIG 1 is plan view of a four-cylinder motor car engine fitted with my improvedl apparatus
  • l? ig. 2 is a longitudinal section of the control valve chamber.
  • the fuel supposed to be atomized by compressed air in nozzles in front of the inlet valves, and to be inject/.ed with such air.
  • the cylinders of the engine are indicated at 1, 2, 3, and 4, 5,' 6, 7, and 8 being the inlet valves, and 9, 10, 11, and 12 are the ⁇ atomizers in whichthe fuel coming from thedistributor 22 isl atomized by compressed air generated by a fan or the like and conducted r to said atomizers by a pipe 28.
  • the usual throttle 21A is provided for regulating the admission of air for combustion.
  • the distributor 22 comprises acasing 23,
  • ⁇ 18, 19, and 20 in the cover are connectedjwith the control valve chamber 26 in succession through the medium of bore 27.
  • the openings in the cover 24 are connected with the cylinders 1, 2, 3, and 4 by the pipes 13, 14, 15, and '16.
  • Y Fuel is-supplied to the control valve cham-V ber 26by a fuel pump, not shown, through a pipe 29. The fuel is'supplied in excess of the demand of theengine. Fuel pressure in, the chamber26 is regulat 'df-by a piston. 32 in a chamber 30 connected manifold at some pointwo the rear. of the throttle 2 1, by'a ⁇ pipe '31.
  • the pistonv is loaded by'a sprmg Secured't'o the base with the suction l turn to the fuel tank through a pipe 37
  • the needle valve may be caused to supply only the quantity of fuel required in the engine at the existing load.
  • variable delivery of the fuel pump is made up for bythe distributor 22 whose speed varies with the lspeed of the pump, so that the periods for which the atomizers 9, l0, 1l, and 12 are connected with the control valve chamber 26, are varied inversely to the delivery of the pump.
  • the quantity o f fuel supplied is regulated -by the period ofiiow and by the position of the needle valve 3ft which is adjusted in accordance with thevacuum at the rear of the throttle 2l, that is, in proportion to Athe Weight of air in the engine.
  • Our method may also be applied to the casein which the fuel nozzles are arranged in the combustion chalnber or chambers of the engine instead of being arranged in driven by the engine, a rotary the suction manifold.
  • An apparatus for regulating the fuel supply in internal combustion engines particularly for automobiles comprising a control valve chamber adapted to have fuel lsupplied to it under pressure; a rotary distributor which is in communication with thecontrol valve chamber, said distributor being adapted to distribute the fuel to the cylinders ofthe engine; a regulating chamber; 'and a piston in saidregulating chambei' having-a needle valve therein which projects ⁇ into the control valve chamber, said distributor being driven by the engine; and
  • a fuel regulator adapted to control the valve in said chamber, said regulator being controlled by -thesuction off the engine.4
  • An apparatus for regulating the fuel supply in internal combustion engines particularly for automobiles comprising a con--v trol valve chamber adapted to have 4fuel supplied to it; a rotary distributor'vvhich engine.
  • control valve chamber is in communication with the control valve chamber, said distributor being adapted to distributethe fue'l to the cylinders of the engine; and a piston having a needle valve thereon which projects into, the control valve chamber, said piston being controlled by the suction' of the engine.
  • An apparatus for regulating the fuel supply in internal combustion engines par'- ticularly for automobiles comprising a con- .trol valve chamber ⁇ adapted to have fuel supplicdto it; a rotary distributor having a bore therein 'which is in communication with the control valve chamber, said distributor being adapted to distribute the fuel to the cylinders of the engine by means of said bore; a regulating chamber for the fuel; and a piston in said regulating chamber having a needle valve thereon which pro- ⁇ iects yinto the control valve chamber, said piston being actuated by the suction of the
  • An apparatus -for regulating the fuel supply in internal combustion engines par- ,ticularly for automobiles comprising a control valve chamber .adapted to have fuel supplied to it under pressure and in excess of demand; a rotary distributor adapted to distribute the fuel to the cylinders of the engine and being in communication with the control valve chamber; a regulating chamber for the fuel and being in communication with the intake of the engine; and a pistonand needle valve
  • An .apparatus for regulating the. fuel supply in internal combustion engines particularly for automobiles comprising a con'A trol valve chamber adapted vto have fuel supplied toit under pressure by a pump driven by the engine, said chamber having advalveitherein which is adapted to regulate the quantity of fuel conducted to the cylinder and to return the excess fuel; a rotary distributor adapted to distribute the fuel to the cylinders of the engine and being inl communication with the control valve chamber, said distributor beingdriven by the engine; and a fuel regulator adapted to control the valve in said chamber, said regulator being controlled by the suction of the engine,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

Aug. 31,1926. v ,I 1,597,787
F. HUSSER ET AL METHOD oF AND APPAEATUsvFoR EEGULATING TEE FUEL SUPPLY 1N INTERNAL coMBusTToNENcTINEs Filed May 15. 1924 FIGR.. 57
Patented Aug, 31d,y 1926.
UNlTED'srATl-:s
1,591,787 PATENT OFFICE.
j FRIEDRIKCH HUSSER .AND HERMiNN ELLERBUSCH, 0F DORTMUND, GERMANY.
.METHOD or Arm APPARATUS Pon REGULATNG THE FUEL SUPPLY IY'N INTERNAL- COMBUS'IION ENGINES.
Application ledfMay 13, 1924, Serial No. 713,067, and in Germany J'u1y712, 1922'.
Our invention rela-tes to a method of and apparatus for regulating the fuel .supply in internal combustion engines particularly for automobiles.
It is an object of our invention to eliminatethe drawbacks of the existing systems for injecting Ameasured quantities of fuel which are particularly inconvenient in motor car engines, etc., on account of the small lo quantities of fuel involved.
It further follows according to thepresent invention that the regulating of the fuel in engines having valve control is carried out b v means of the suction. Thereby the fuel will be fed aceordingto the air pressure, Which is particularly useful for heavy fuel.
7e effect regulation-of the fuel quantity by varying the pressure of the fuel as well as the injection period. The pressure is `0 varied in direct proportion tothe load, and
the injection period 1n inverse proportion to the speed of the fuel pump. By these means, the influence of the varying delivery With variations in the engine speed ispractically 5 eliminated, since the injection period is extended if the speed of the engine, and therewith the delivery of the fuel pump and the fuel pressure, decreases, and vice versa.' The variable delivery o'f fuel pumpbeing eliminated, the quantity of fuel supplied to the engine is determined by the valve gear alone. This facilitates the control of the regulation, and, besides, permits direct drive of the fuel pump by the engine'wthout any'means for compensating its variable delivery.
In, our novel method, the fuel delivery ofthe pump which is in excess of the demand of the engine, is conducted to a control valvel chamber, preferably through a compensation tank or the like. 'lhe pressure in said control valve chamber is regulated in proportion to the load on the engine, preferably by a needle valve Which by-passes and returns to the "fuel tank the excess fuel. j The needlevalve'may be adjusted directly bythe speed governor of the engine, orpreferably in lcar engines-by the vacuum at the rear lof the Athrottle which may be set from the outside by known means. l'from the control valve chamber, the fuel is delivered to the `cylinderl or'cylinders by a distributor operatedby the engine. AThe distributor. connects the cylinder or cylinders yWith the control valve chamberat the right time and determines the period of injection in inverse i proportion to the delivery 0f the fuel pump,
In the drawings afiixed to this specifica,`
tion, an apparatus for performing our nove] method is illustrated dia-grammatically'by` way of example.
inthe drawings I .Fig 1 is plan view of a four-cylinder motor car engine fitted with my improvedl apparatus,
l? ig. 2 is a longitudinal section of the control valve chamber. l
The fuel supposed to be atomized by compressed air in nozzles in front of the inlet valves, and to be inject/.ed with such air. The cylinders of the engine are indicated at 1, 2, 3, and 4, 5,' 6, 7, and 8 being the inlet valves, and 9, 10, 11, and 12 are the `atomizers in whichthe fuel coming from thedistributor 22 isl atomized by compressed air generated by a fan or the like and conducted r to said atomizers by a pipe 28. The usual throttle 21A is provided for regulating the admission of air for combustion.
- The distributor 22 comprises acasing 23,
`18, 19, and 20 in the cover are connectedjwith the control valve chamber 26 in succession through the medium of bore 27. The openings in the cover 24 are connected with the cylinders 1, 2, 3, and 4 by the pipes 13, 14, 15, and '16. Y Fuel is-supplied to the control valve cham-V ber 26by a fuel pump, not shown, through a pipe 29. The fuel is'supplied in excess of the demand of theengine. Fuel pressure in, the chamber26 is regulat 'df-by a piston. 32 in a chamber 30 connected manifold at some pointwo the rear. of the throttle 2 1, by'a` pipe '31. The pistonv is loaded by'a sprmg Secured't'o the base with the suction l turn to the fuel tank through a pipe 37 By suitably dimensioning' the parts, the needle valve may be caused to supply only the quantity of fuel required in the engine at the existing load.
The influence of the variable delivery of the fuel pump is made up for bythe distributor 22 whose speed varies with the lspeed of the pump, so that the periods for which the atomizers 9, l0, 1l, and 12 are connected with the control valve chamber 26, are varied inversely to the delivery of the pump.
It will be understood that the quantity o f fuel supplied is regulated -by the period ofiiow and by the position of the needle valve 3ft which is adjusted in accordance with thevacuum at the rear of the throttle 2l, that is, in proportion to Athe Weight of air in the engine.
This avoids overfecding 'and its consequences which are particularly undesirable in heavy oilV engines.
Our method may also be applied to the casein which the fuel nozzles are arranged in the combustion chalnber or chambers of the engine instead of being arranged in driven by the engine, a rotary the suction manifold.
We claim:- l. An apparatus for regulating the fuel supply in internal combustion engines particularly for automobiles, comprising a control valve chamber adapted to have fuel lsupplied to it under pressure; a rotary distributor which is in communication with thecontrol valve chamber, said distributor being adapted to distribute the fuel to the cylinders ofthe engine; a regulating chamber; 'and a piston in saidregulating chambei' having-a needle valve therein which projects `into the control valve chamber, said distributor being driven by the engine; and
a fuel regulator adapted to control the valve in said chamber, said regulator being controlled by -thesuction off the engine.4
3. An apparatus for regulating the fuel supply in internal combustion engines particularly for automobiles, comprising a con--v trol valve chamber adapted to have 4fuel supplied to it; a rotary distributor'vvhich engine.
is in communication with the control valve chamber, said distributor being adapted to distributethe fue'l to the cylinders of the engine; and a piston having a needle valve thereon which projects into, the control valve chamber, said piston being controlled by the suction' of the engine.
4. An apparatus for regulating the fuel supply in internal combustion engines par'- ticularly for automobiles comprising a con- .trol valve chamber` adapted to have fuel supplicdto it; a rotary distributor having a bore therein 'which is in communication with the control valve chamber, said distributor being adapted to distribute the fuel to the cylinders of the engine by means of said bore; a regulating chamber for the fuel; and a piston in said regulating chamber having a needle valve thereon which pro- `iects yinto the control valve chamber, said piston being actuated by the suction of the An apparatus -for regulating the fuel supply in internal combustion engines par- ,ticularly for automobiles comprising a control valve chamber .adapted to have fuel supplied to it under pressure and in excess of demand; a rotary distributor adapted to distribute the fuel to the cylinders of the engine and being in communication with the control valve chamber; a regulating chamber for the fuel and being in communication with the intake of the engine; and a pistonand needle valve in said regulating chamber, said needle valve projecting into the control valve`chamber in order to regulate the fuel, said piston being actuated by the suction of the engine.`
6. An .apparatus for regulating the. fuel supply in internal combustion engines particularly for automobiles, comprising a con'A trol valve chamber adapted vto have fuel supplied toit under pressure by a pump driven by the engine, said chamber having advalveitherein which is adapted to regulate the quantity of fuel conducted to the cylinder and to return the excess fuel; a rotary distributor adapted to distribute the fuel to the cylinders of the engine and being inl communication with the control valve chamber, said distributor beingdriven by the engine; and a fuel regulator adapted to control the valve in said chamber, said regulator being controlled by the suction of the engine,
In testimony whereof we have affixed our signatures.
FRIEDRICH HUssEn. HERMANN uLLniaBUson.v
US713067A 1922-07-12 1924-05-13 Method of and apparatus for regulating the fuel supply in internalcombustion engines Expired - Lifetime US1597787A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453329A (en) * 1946-01-16 1948-11-09 Niles Bement Pond Co Control apparatus for internalcombustion engines
US2455308A (en) * 1945-09-24 1948-11-30 Niles Bement Pond Co Control apparatus for internalcombustion engines
US2456605A (en) * 1945-08-06 1948-12-14 Bendix Aviat Corp Fuel supply system
US2472734A (en) * 1946-06-27 1949-06-07 Bendix Aviat Corp Fuel control system
US2530507A (en) * 1945-10-25 1950-11-21 John F Campbell Fuel injection apparatus and control
US2576694A (en) * 1948-01-02 1951-11-27 Ben G Parsons Fuel injection system
US2659309A (en) * 1948-09-18 1953-11-17 George M Holley Fuel injection for internalcombustion engines
US2791205A (en) * 1953-08-10 1957-05-07 Chrysler Corp Intake manifold and fuel feeding system for high output engines
US3971351A (en) * 1974-09-23 1976-07-27 Mckee T R Fuel metering system
US4043307A (en) * 1974-06-24 1977-08-23 Nippondenso Co., Ltd. Fuel injection system for an internal combustion engine
US4512152A (en) * 1981-05-09 1985-04-23 Yamaha Hatsudoki Kabushiki Kaisha Engine with supercharger

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456605A (en) * 1945-08-06 1948-12-14 Bendix Aviat Corp Fuel supply system
US2455308A (en) * 1945-09-24 1948-11-30 Niles Bement Pond Co Control apparatus for internalcombustion engines
US2530507A (en) * 1945-10-25 1950-11-21 John F Campbell Fuel injection apparatus and control
US2453329A (en) * 1946-01-16 1948-11-09 Niles Bement Pond Co Control apparatus for internalcombustion engines
US2472734A (en) * 1946-06-27 1949-06-07 Bendix Aviat Corp Fuel control system
US2576694A (en) * 1948-01-02 1951-11-27 Ben G Parsons Fuel injection system
US2659309A (en) * 1948-09-18 1953-11-17 George M Holley Fuel injection for internalcombustion engines
US2791205A (en) * 1953-08-10 1957-05-07 Chrysler Corp Intake manifold and fuel feeding system for high output engines
US4043307A (en) * 1974-06-24 1977-08-23 Nippondenso Co., Ltd. Fuel injection system for an internal combustion engine
US3971351A (en) * 1974-09-23 1976-07-27 Mckee T R Fuel metering system
US4512152A (en) * 1981-05-09 1985-04-23 Yamaha Hatsudoki Kabushiki Kaisha Engine with supercharger

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