JPS56148642A - Exhaust gas cleaner for internal combustion engine - Google Patents

Exhaust gas cleaner for internal combustion engine

Info

Publication number
JPS56148642A
JPS56148642A JP5026780A JP5026780A JPS56148642A JP S56148642 A JPS56148642 A JP S56148642A JP 5026780 A JP5026780 A JP 5026780A JP 5026780 A JP5026780 A JP 5026780A JP S56148642 A JPS56148642 A JP S56148642A
Authority
JP
Japan
Prior art keywords
negative pressure
guided
passage
exhaust gas
egr
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
JP5026780A
Other languages
Japanese (ja)
Inventor
Kiyoyuki Sato
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP5026780A priority Critical patent/JPS56148642A/en
Publication of JPS56148642A publication Critical patent/JPS56148642A/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
    • F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
    • F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of 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
    • 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
    • F02M26/57—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves using electronic means, e.g. electromagnetic valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

PURPOSE:To more adequately operate the selective control for exhaust gas recirculation (EGR) and air-fuel ratio in accordance with the operating state of an engine, by further controlling VC negative pressure with venturi negative pressure in response to a load of the engine. CONSTITUTION:VC negative pressure produced in an intake throttle valve part 23 goes through the fourth negative pressure passage 43 from the second VC hole 42 and is guided to a negative pressure chamber in a negative pressure regulator switch 38. While venturi negative pressure is guided to a negative pressure chamber 52 in a variable orifice device 44 from a negative pressure take-off port 31 through the second negative pressure passage 32 and the fifth negative pressure passage 57. When the negative pressure regulator switch 38 is turned off, a coil 40 in a negative pressure regulating valve 37 is not excited to both close the second atmospheric air introducing passage 35 and open the third atmospheric air introducing passage 36. Accordingly, the venturi negative pressure is guided to a VVT valve 28 in a state as it is, then the VC negative pressure guided to an exhaust gas recirculation (EGR) valve 22 is controlled in such a manner that a rate of the EGR in response to the load of an engine is obtained.
JP5026780A 1980-04-18 1980-04-18 Exhaust gas cleaner for internal combustion engine Pending JPS56148642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5026780A JPS56148642A (en) 1980-04-18 1980-04-18 Exhaust gas cleaner for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5026780A JPS56148642A (en) 1980-04-18 1980-04-18 Exhaust gas cleaner for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS56148642A true JPS56148642A (en) 1981-11-18

Family

ID=12854184

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5026780A Pending JPS56148642A (en) 1980-04-18 1980-04-18 Exhaust gas cleaner for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS56148642A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114434U (en) * 1983-01-22 1984-08-02 本田技研工業株式会社 Engine intake mixture control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114434U (en) * 1983-01-22 1984-08-02 本田技研工業株式会社 Engine intake mixture control device

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