GB1365270A - Fuel injection systems - Google Patents

Fuel injection systems

Info

Publication number
GB1365270A
GB1365270A GB3134772A GB3134772A GB1365270A GB 1365270 A GB1365270 A GB 1365270A GB 3134772 A GB3134772 A GB 3134772A GB 3134772 A GB3134772 A GB 3134772A GB 1365270 A GB1365270 A GB 1365270A
Authority
GB
United Kingdom
Prior art keywords
fuel
diaphragm
spring
coil
valve
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
GB3134772A
Other languages
English (en)
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
Priority claimed from DE2133435A external-priority patent/DE2133435C3/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1365270A publication Critical patent/GB1365270A/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
    • F02M69/26—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 varying fuel pressure in a fuel by-pass passage, the pressure acting on a throttle valve against the action of metered or throttled fuel pressure for variably throttling fuel flow to injection nozzles, e.g. to keep constant the pressure differential at the metering valve
    • 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
    • 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
    • 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
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/36—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages
    • F02M69/38—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages using fuel pressure, e.g. by varying fuel pressure in the control chambers of the fuel metering device
    • F02M69/386—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages using fuel pressure, e.g. by varying fuel pressure in the control chambers of the fuel metering device variably controlling the pressure of the fuel by-passing the metering valves, e.g. by valves responsive to signals of temperature or oxygen sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB3134772A 1971-07-05 1972-07-05 Fuel injection systems Expired GB1365270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2133435A DE2133435C3 (de) 1969-12-01 1971-07-05 Kraftstoffeinspritzanlage mit kontinuierlicher Einspritzung in das Saugrohr von gemischverdichtenden fremdgezündeten Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
GB1365270A true GB1365270A (en) 1974-08-29

Family

ID=5812751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3134772A Expired GB1365270A (en) 1971-07-05 1972-07-05 Fuel injection systems

Country Status (4)

Country Link
US (1) US3765387A (enrdf_load_stackoverflow)
JP (1) JPS553528B1 (enrdf_load_stackoverflow)
FR (1) FR2145276A6 (enrdf_load_stackoverflow)
GB (1) GB1365270A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246547C2 (de) * 1972-09-22 1984-10-04 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage für gemischverdichtende Brennkraftmaschinen
DE2246546C2 (de) * 1972-09-22 1984-12-06 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffzumeßventil einer Kraftstoffeinspritzanlage für gemischverdichtende fremdgezündete Brennkraftmaschinen
US3951119A (en) * 1973-06-09 1976-04-20 Robert Bosch G.M.B.H. Fuel injection system
DE2339370B2 (de) * 1973-08-03 1978-04-27 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage für gemischverdichtende fremdgezündete Brennkraftmaschinen
JPS5037923A (enrdf_load_stackoverflow) * 1973-08-09 1975-04-09
DE2349688C3 (de) * 1973-10-03 1980-07-17 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage
US3963005A (en) * 1973-10-12 1976-06-15 Robert Bosch G.M.B.H. Fuel supply system
GB1493697A (en) * 1974-11-01 1977-11-30 Nissan Motor Control system for promoting catalytic removal of noxious components from exhaust gas of internal combustion engine
US4206735A (en) * 1978-08-04 1980-06-10 General Motors Corporation Mechanical throttle body injection apparatus
DE3014033C2 (de) * 1980-04-11 1984-04-26 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Kraftstoffeinspritzanlage für gemischverdichtende, fremdgezündete Brennkraftmaschinen mit kontinuierlicher Einspritzung in das Saugrohr

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713430A (en) * 1969-12-01 1973-01-30 Bosch Gmbh Robert Fuel injection system
US3703888A (en) * 1969-12-01 1972-11-28 Bosch Gmbh Robert Device for the fuel quantity control in response to operational variables of an internal combustion engine

Also Published As

Publication number Publication date
JPS553528B1 (enrdf_load_stackoverflow) 1980-01-25
US3765387A (en) 1973-10-16
FR2145276A6 (de) 1973-02-16

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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