GB1318497A - Fuel injection systems - Google Patents

Fuel injection systems

Info

Publication number
GB1318497A
GB1318497A GB6036971A GB6036971A GB1318497A GB 1318497 A GB1318497 A GB 1318497A GB 6036971 A GB6036971 A GB 6036971A GB 6036971 A GB6036971 A GB 6036971A GB 1318497 A GB1318497 A GB 1318497A
Authority
GB
United Kingdom
Prior art keywords
air
engine
passage
fuel injection
dec
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
GB6036971A
Inventor
G Stumpp
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 GB1318497A publication Critical patent/GB1318497A/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
    • F02M69/22—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/74—Valve actuation; electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

1318497 Regulating IC engine fuel injection; spray carburetters ROBERT BOSCH GmbH 29 Dec 1971 [28 Dec 1970] 60369/71 Heading F1B [Also in Division G1] In an I.C. engine fuel injection system, fuel is supplied in an amount dependent upon the airflow to the engine. A member 3 is arranged in the air intake manifold 1 to control the crosssection of the manifold, the position of the member 3 being controlled so as to maintain constant an air-flow measurement in a passage 4 circumventing the member 3, or in an aperture passing through the member 3. As shown, the air-flow measurement is the product of air speed and density as determined by a temperature dependent resistor 6 in passage 4, the resistor 6 being arranged in a bridge circuit across which is connected a regulator 13. When air-flow to the engine varies, e.g. due to movement of throttle valve 2, the bridge becomes unbalanced and the regulator operates a servomotor 12 which in turn rotates the member 3 until balance is obtained. A cam 8 is arranged on member 3 and co-operates with the control member 9 of a fuel metering valve 10. The cam may be three-dimensional, its axial position being controlled by an engine operating parameter. Other operating parameters may be effective to vary the cross-section of passage 4 or to vary resistances in the bridge circuit. Injection may be continuous or intermittent.
GB6036971A 1970-12-28 1971-12-29 Fuel injection systems Expired GB1318497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702063963 DE2063963A1 (en) 1970-12-28 1970-12-28 Fuel injection system for mixture-compressing, spark-ignited internal combustion engines

Publications (1)

Publication Number Publication Date
GB1318497A true GB1318497A (en) 1973-05-31

Family

ID=5792283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6036971A Expired GB1318497A (en) 1970-12-28 1971-12-29 Fuel injection systems

Country Status (10)

Country Link
US (1) US3776208A (en)
AT (1) AT311726B (en)
CS (1) CS154334B2 (en)
DE (1) DE2063963A1 (en)
ES (1) ES398363A1 (en)
FR (1) FR2120801A5 (en)
GB (1) GB1318497A (en)
IT (1) IT944390B (en)
PL (1) PL81717B1 (en)
SE (1) SE375584B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330233A1 (en) * 1988-02-25 1989-08-30 Japan Electronic Control Systems Co., Ltd. Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021134A (en) * 1973-06-29 1975-03-06
US3899552A (en) * 1974-03-01 1975-08-12 Universal Oil Prod Co Carburetor with automatic air-fuel ratio adjustment control
US3946705A (en) * 1974-09-30 1976-03-30 The United States Of America As Represented By The Secretary Of The Army Heat engine power system
GB1530452A (en) * 1975-02-05 1978-11-01 Smiths Industries Ltd Speed sensing
JPS54145166A (en) * 1978-04-10 1979-11-13 Hitachi Ltd Measuring apparatus of suction air flow rates
CA1119493A (en) * 1978-07-21 1982-03-09 Mamoru Fujieda Fuel injection system for internal combustion engine
DE2836215A1 (en) * 1978-08-18 1980-03-06 Bosch Gmbh Robert FUEL SUPPLY SYSTEM
US4286562A (en) * 1979-03-07 1981-09-01 General Motors Corporation Engine charge forming apparatus
US4442818A (en) * 1980-12-29 1984-04-17 Hitachi, Ltd. Fuel injection apparatus for internal combustion engines
JPS57119133A (en) * 1981-01-13 1982-07-24 Hitachi Ltd Device for measuring quantity of air sucked into internal combustion engine
JPS57153755U (en) * 1981-03-25 1982-09-27
JPS57193760A (en) * 1981-05-22 1982-11-29 Hitachi Ltd Fuel controller
DE3128710A1 (en) * 1981-07-21 1983-02-10 Dieter 8242 Bischofswiesen Frank Method and apparatus for measuring the fuel requirement of an internal combustion engine
JPS5896163A (en) * 1981-12-02 1983-06-08 Hitachi Ltd Fuel controlling apparatus
JPS595869A (en) * 1982-07-02 1984-01-12 Hitachi Ltd Fuel injection device
US4472323A (en) * 1982-08-10 1984-09-18 Automotive Engine Associates Metering system
DE4324659C1 (en) * 1993-07-22 1995-04-06 Siemens Ag Sensor with a sensor element arranged in a housing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899951A (en) * 1959-08-18 Fuel cut-off device for fuel injection system
US2791995A (en) * 1954-02-15 1957-05-14 Gen Motors Corp Anti-detonation device for a carburetor
US2856910A (en) * 1956-04-23 1958-10-21 Acf Ind Inc Fuel injection system
US2943614A (en) * 1957-05-02 1960-07-05 Bosch Robert Fuel injection arrangement
US3621825A (en) * 1970-07-27 1971-11-23 Ford Motor Co Exhaust gas recirculation control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330233A1 (en) * 1988-02-25 1989-08-30 Japan Electronic Control Systems Co., Ltd. Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine
US4905509A (en) * 1988-02-25 1990-03-06 Japan Electronic Control Systems Co., Ltd. Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine

Also Published As

Publication number Publication date
CS154334B2 (en) 1974-03-29
SE375584B (en) 1975-04-21
AT311726B (en) 1973-11-26
FR2120801A5 (en) 1972-08-18
IT944390B (en) 1973-04-20
PL81717B1 (en) 1975-08-30
DE2063963A1 (en) 1972-07-20
ES398363A1 (en) 1974-10-01
US3776208A (en) 1973-12-04
SU440000A3 (en) 1974-08-15

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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