GB1237734A - Improvements in or relating to fuel injection systems for internal combustion engines - Google Patents

Improvements in or relating to fuel injection systems for internal combustion engines

Info

Publication number
GB1237734A
GB1237734A GB44555/68A GB4455568A GB1237734A GB 1237734 A GB1237734 A GB 1237734A GB 44555/68 A GB44555/68 A GB 44555/68A GB 4455568 A GB4455568 A GB 4455568A GB 1237734 A GB1237734 A GB 1237734A
Authority
GB
United Kingdom
Prior art keywords
fuel
manifold
pressure
cam
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB44555/68A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1237734A publication Critical patent/GB1237734A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
    • F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
    • F02M69/24—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device comprising a member for transmitting the movement of the air throttle valve actuated by the operator to the valves controlling fuel passages
    • 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
    • F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
    • F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
    • F02M69/22—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device comprising a member movably mounted in the air intake conduit and displaced according to the quantity of air admitted to the engine

Landscapes

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

Abstract

1,237,734. Fuel metering systems. ROBERT BOSCH G.m.b.H. Sept. 19, 1968 [Sept. 20, 1967], No.44555/68. Heading FIB. A three dimensional cam 20 controlling a fuel metering member 9a in a fuel injection system is moved axially by a member 12, which is moved in accordance with air-flow in the intake manifold, and angularly by a member 21b connected to the throttle valve 3. The member 12 is subject in space 14 to the total inlet manifold pressure, i.e. dynamic plus static pressure, by a pipe 14a facing upstream and in space 15 to the static pressure transmitted through opening 15a so that the member moves in accordance with the dynamic pressure. The valve 3 may be arranged upstream or downstream of the member 12 and the fuel is supplied to a metering device 9 and fuel injector nozzle or nozzles in the manifold by a constant pressure pump 6. In Fig. 3 the air-flow responsive member 24 comprises a spring-loaded cylinder arranged coaxially of the manifold and sliding over a fenced tube 26. The total pressure acts on the face 24a whilst the static pressure acts through orifices 31 on the interior. The cam 36 is formed on the cylinder, which is rotated from the throttle valve 3 by lever 38 having a pin 38a engaging in an axial groove 37. In a modification the cam is rotatable on the cylinder 24.
GB44555/68A 1967-09-20 1968-09-19 Improvements in or relating to fuel injection systems for internal combustion engines Expired GB1237734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1576287 1967-09-20

Publications (1)

Publication Number Publication Date
GB1237734A true GB1237734A (en) 1971-06-30

Family

ID=5678822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44555/68A Expired GB1237734A (en) 1967-09-20 1968-09-19 Improvements in or relating to fuel injection systems for internal combustion engines

Country Status (5)

Country Link
US (1) US3539159A (en)
AT (1) AT288087B (en)
FR (1) FR1577679A (en)
GB (1) GB1237734A (en)
SE (1) SE332543B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174995A1 (en) * 1972-03-03 1973-10-19 Gkn Transmissions Ltd

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724822A (en) * 1969-10-06 1973-04-03 Nissan Motor Intake air control device for internal combustion engine of fuel injection type
BE759677A (en) * 1969-12-01 1971-04-30 Bosch Gmbh Robert INSTALLATION OF CONTINUOUS INJECTION OF FUEL IN THE SUCTION TUBE, ESPECIALLY OF INTERNAL COMBUSTION ENGINES WITH MIXTURE COMPRESSION AND IGNITION DEVICE CONTROLLED FROM THE EXTERNAL
DE2245491A1 (en) * 1972-09-15 1974-04-04 Bosch Gmbh Robert EXHAUST GAS DETOXIFICATION SYSTEM FOR COMBUSTION MACHINERY
DE2340834C2 (en) * 1973-08-13 1975-03-27 Deutsche Vergaser Gmbh & Co Kg, 4040 Neuss Fuel injection device for mixture-compressing internal combustion engines
SE387410B (en) * 1974-11-25 1976-09-06 Clean Air Co INJECTION CARBURETOR DEVICE
US4739650A (en) * 1985-11-19 1988-04-26 Nippondenso Co., Ltd. Gas flow measuring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174995A1 (en) * 1972-03-03 1973-10-19 Gkn Transmissions Ltd

Also Published As

Publication number Publication date
FR1577679A (en) 1969-08-08
AT288087B (en) 1971-02-25
US3539159A (en) 1970-11-10
SE332543B (en) 1971-02-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee