JPS51133626A - Control valve for return flow of exhaust gas - Google Patents

Control valve for return flow of exhaust gas

Info

Publication number
JPS51133626A
JPS51133626A JP50057301A JP5730175A JPS51133626A JP S51133626 A JPS51133626 A JP S51133626A JP 50057301 A JP50057301 A JP 50057301A JP 5730175 A JP5730175 A JP 5730175A JP S51133626 A JPS51133626 A JP S51133626A
Authority
JP
Japan
Prior art keywords
exhaust gas
control valve
return flow
deteriorated
bend
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.)
Pending
Application number
JP50057301A
Other languages
Japanese (ja)
Inventor
Kinsaku Yamada
Okamitsu Okumura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50057301A priority Critical patent/JPS51133626A/en
Publication of JPS51133626A publication Critical patent/JPS51133626A/en
Pending 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
    • 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

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)

Abstract

PURPOSE:Characteristic of control spring is made such that it has a point of bend in response to a variation of specified gradient of negative pressure, nitrogen oxide in the exhaust gas is decreased and at the same time an operational feeling may not be deteriorated.
JP50057301A 1975-05-16 1975-05-16 Control valve for return flow of exhaust gas Pending JPS51133626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50057301A JPS51133626A (en) 1975-05-16 1975-05-16 Control valve for return flow of exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50057301A JPS51133626A (en) 1975-05-16 1975-05-16 Control valve for return flow of exhaust gas

Publications (1)

Publication Number Publication Date
JPS51133626A true JPS51133626A (en) 1976-11-19

Family

ID=13051719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50057301A Pending JPS51133626A (en) 1975-05-16 1975-05-16 Control valve for return flow of exhaust gas

Country Status (1)

Country Link
JP (1) JPS51133626A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677539A (en) * 1979-11-28 1981-06-25 Toyota Motor Corp Exhaust-gas recirculating device
JPS58110849A (en) * 1981-12-23 1983-07-01 Nissan Motor Co Ltd Exhaust-gas recirculation control valve for diesel engine
FR2652386A1 (en) * 1989-09-23 1991-03-29 Daimler Benz Ag EXHAUST GAS RECYCLING DEVICE FOR INTERNAL COMBUSTION ENGINE, IN PARTICULAR DIESEL ENGINE.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677539A (en) * 1979-11-28 1981-06-25 Toyota Motor Corp Exhaust-gas recirculating device
JPS58110849A (en) * 1981-12-23 1983-07-01 Nissan Motor Co Ltd Exhaust-gas recirculation control valve for diesel engine
FR2652386A1 (en) * 1989-09-23 1991-03-29 Daimler Benz Ag EXHAUST GAS RECYCLING DEVICE FOR INTERNAL COMBUSTION ENGINE, IN PARTICULAR DIESEL ENGINE.

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