IT980084B - IMPROVEMENT IN EXHAUST GAS RECIRCULATION CONTROL VALVES IN PARTICULAR FOR ENDOTHERMIC ENGINES - Google Patents

IMPROVEMENT IN EXHAUST GAS RECIRCULATION CONTROL VALVES IN PARTICULAR FOR ENDOTHERMIC ENGINES

Info

Publication number
IT980084B
IT980084B IT49179/73A IT4917973A IT980084B IT 980084 B IT980084 B IT 980084B IT 49179/73 A IT49179/73 A IT 49179/73A IT 4917973 A IT4917973 A IT 4917973A IT 980084 B IT980084 B IT 980084B
Authority
IT
Italy
Prior art keywords
improvement
exhaust gas
control valves
gas recirculation
recirculation control
Prior art date
Application number
IT49179/73A
Other languages
Italian (it)
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Application granted granted Critical
Publication of IT980084B publication Critical patent/IT980084B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/58—Constructional details of the actuator; Mounting thereof
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/59—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor
    • F02M26/61—Systems for actuating EGR valves using positive pressure actuators; Check valves therefor in response to exhaust pressure
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M2026/001—Arrangements; Control features; Details
    • F02M2026/002—EGR valve being controlled by vacuum or overpressure
    • F02M2026/0025—Intake vacuum or overpressure modulating valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
IT49179/73A 1972-04-17 1973-04-02 IMPROVEMENT IN EXHAUST GAS RECIRCULATION CONTROL VALVES IN PARTICULAR FOR ENDOTHERMIC ENGINES IT980084B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24437872A 1972-04-17 1972-04-17

Publications (1)

Publication Number Publication Date
IT980084B true IT980084B (en) 1974-09-30

Family

ID=22922486

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49179/73A IT980084B (en) 1972-04-17 1973-04-02 IMPROVEMENT IN EXHAUST GAS RECIRCULATION CONTROL VALVES IN PARTICULAR FOR ENDOTHERMIC ENGINES

Country Status (6)

Country Link
JP (2) JPS5228171B2 (en)
CA (1) CA972642A (en)
DE (1) DE2315734C2 (en)
FR (1) FR2180757B1 (en)
GB (1) GB1383140A (en)
IT (1) IT980084B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2528760C3 (en) * 1975-06-27 1980-12-11 Pierburg Gmbh & Co Kg, 4040 Neuss Control device for the recirculation of exhaust gas
JPS52106023A (en) * 1976-03-02 1977-09-06 Toyota Motor Corp Automobile engine exhaust gas re-circulation unit
JPS5724910Y2 (en) * 1976-07-30 1982-05-29
JPS5724911Y2 (en) * 1976-10-08 1982-05-29
DE3511638C3 (en) * 1985-03-29 1996-06-20 Daimler Benz Ag Exhaust gas recirculation valve
US4725529A (en) 1985-04-30 1988-02-16 Konishiroku Photo Industry Co., Ltd. Developing inhibitor arrangment in light-sensitive silver halide color photographic materials
DE3932007A1 (en) * 1989-09-26 1991-04-04 Pierburg Gmbh EXHAUST GAS RECIRCULATION VALVE FOR AN INTERNAL COMBUSTION ENGINE
DE3935093A1 (en) * 1989-10-21 1991-04-25 Daimler Benz Ag EXHAUST GAS RECIRCULATION DEVICE FOR A COMBUSTION ENGINE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7141493U (en) * 1972-04-06 General Motors Corp Internal combustion engine with controlled exhaust gas recirculation from the exhaust system to the intake duct
IT947400B (en) * 1972-02-08 1973-05-21 Alfa Romeo Spa DEVICE FOR REGULATING THE EXHAUST GAS FLOW RETURN SIDE IN AN INTERNAL COMBUSTION ENGINE
JPS5146210B2 (en) * 1972-03-13 1976-12-08
US3802402A (en) * 1972-03-30 1974-04-09 P Swatman Internal combustion engines
JPS493019A (en) * 1972-04-10 1974-01-11

Also Published As

Publication number Publication date
JPS4915820A (en) 1974-02-12
JPS5228171B2 (en) 1977-07-25
DE2315734A1 (en) 1973-10-25
FR2180757A1 (en) 1973-11-30
DE2315734C2 (en) 1982-03-25
GB1383140A (en) 1975-02-05
FR2180757B1 (en) 1976-06-11
CA972642A (en) 1975-08-12
JPS5267419A (en) 1977-06-03

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