FR2412706B1 - - Google Patents

Info

Publication number
FR2412706B1
FR2412706B1 FR7832774A FR7832774A FR2412706B1 FR 2412706 B1 FR2412706 B1 FR 2412706B1 FR 7832774 A FR7832774 A FR 7832774A FR 7832774 A FR7832774 A FR 7832774A FR 2412706 B1 FR2412706 B1 FR 2412706B1
Authority
FR
France
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
FR7832774A
Other languages
French (fr)
Other versions
FR2412706A1 (fr
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.)
Audi AG
Original Assignee
Audi NSU Auto Union AG
Audi AG
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 Audi NSU Auto Union AG, Audi AG filed Critical Audi NSU Auto Union AG
Publication of FR2412706A1 publication Critical patent/FR2412706A1/fr
Application granted granted Critical
Publication of FR2412706B1 publication Critical patent/FR2412706B1/fr
Granted 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
    • F02M69/30—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
    • 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
    • F02M69/16—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

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)
FR7832774A 1977-12-24 1978-11-21 Dispositif d'injection de carburant Granted FR2412706A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772757977 DE2757977A1 (de) 1977-12-24 1977-12-24 Kraftstoff-einspritzanlage

Publications (2)

Publication Number Publication Date
FR2412706A1 FR2412706A1 (fr) 1979-07-20
FR2412706B1 true FR2412706B1 (enExample) 1982-04-16

Family

ID=6027259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832774A Granted FR2412706A1 (fr) 1977-12-24 1978-11-21 Dispositif d'injection de carburant

Country Status (5)

Country Link
US (1) US4220129A (enExample)
JP (1) JPS54101024A (enExample)
DE (1) DE2757977A1 (enExample)
FR (1) FR2412706A1 (enExample)
GB (1) GB2011533B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904976A1 (de) * 1979-02-09 1980-08-21 Audi Nsu Auto Union Ag Kraftstoff-einspritzanlage
DE3006587A1 (de) * 1980-02-22 1981-09-10 Robert Bosch Gmbh, 7000 Stuttgart Membrandruckregler
DE3006586A1 (de) * 1980-02-22 1981-09-03 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage
EP0248411B1 (en) * 1986-06-03 1992-03-25 Mitsubishi Denki Kabushiki Kaisha Fuel pressure regulator
JP2539440B2 (ja) * 1987-06-29 1996-10-02 三菱電機株式会社 内燃機関の燃料圧力調整装置
US6065451A (en) * 1997-08-26 2000-05-23 Alliedsignal Inc. Bypass valve with constant force-versus-position actuator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618222A (en) * 1947-05-12 1952-11-18 Rolls Royce Fuel system for gas-turbine engines
US2937858A (en) * 1957-04-11 1960-05-24 Acf Ind Inc Injection system
DE2327295C3 (de) * 1973-05-29 1978-08-31 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffversorgungsanlage für Brennkraftmaschinen
DE2333451A1 (de) * 1973-06-30 1975-01-23 Bosch Gmbh Robert Kraftstoffeinspritzanlage fuer gemischverdichtende, fremdgezuendete schichtladungsbrennkraftmaschinen
DE2339370B2 (de) * 1973-08-03 1978-04-27 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage für gemischverdichtende fremdgezündete Brennkraftmaschinen
DE2544810C2 (de) * 1975-10-07 1982-04-15 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage

Also Published As

Publication number Publication date
DE2757977A1 (de) 1979-06-28
JPS54101024A (en) 1979-08-09
US4220129A (en) 1980-09-02
FR2412706A1 (fr) 1979-07-20
GB2011533B (en) 1982-09-08
GB2011533A (en) 1979-07-11

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Legal Events

Date Code Title Description
ST Notification of lapse