JPS6460768A - Method for controlling exhaust reflux in internal combustion engine - Google Patents

Method for controlling exhaust reflux in internal combustion engine

Info

Publication number
JPS6460768A
JPS6460768A JP62217250A JP21725087A JPS6460768A JP S6460768 A JPS6460768 A JP S6460768A JP 62217250 A JP62217250 A JP 62217250A JP 21725087 A JP21725087 A JP 21725087A JP S6460768 A JPS6460768 A JP S6460768A
Authority
JP
Japan
Prior art keywords
sensor
set value
transmission
cooling water
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.)
Pending
Application number
JP62217250A
Other languages
Japanese (ja)
Inventor
Eitetsu Akiyama
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.)
Honda Motor Co Ltd
Original Assignee
Honda 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP62217250A priority Critical patent/JPS6460768A/en
Publication of JPS6460768A publication Critical patent/JPS6460768A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

PURPOSE:To improve exhaust gas property and running property irrespective of types of a transmission by changing a set value of engine temperature according to whether the transmission is manual or automatic when EGR is stopped in the engine temperature lower than the set value. CONSTITUTION:To an electronic control unit 5 are input values detected by a throttle valve opening sensor 4, absolute intake pressure sensor 7, intake temperature sensor 8, cooling water sensor 9, rotational frequency sensor 10, O2 sensor 13, atmospheric pressure sensor 14, EGR valve lift sensor 28, etc., to control the opening time of a fuel injection valve 6 and duty ratio of an EGR valve opening controlling three- way electromagnetic valve 25. Said unit 5 controls the duty ratio of said electromagnetic valve 25 in the cooling water temperature higher than a set value so that an EGR valve 22 provides a desired valve opening based on absolute intake pressure and rotational frequency, while the set value of the cooling water temperature is altered to be 60 deg.C in a manual transmission and 30 deg.C in an automatic transmission for example.
JP62217250A 1987-08-31 1987-08-31 Method for controlling exhaust reflux in internal combustion engine Pending JPS6460768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62217250A JPS6460768A (en) 1987-08-31 1987-08-31 Method for controlling exhaust reflux in internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62217250A JPS6460768A (en) 1987-08-31 1987-08-31 Method for controlling exhaust reflux in internal combustion engine

Publications (1)

Publication Number Publication Date
JPS6460768A true JPS6460768A (en) 1989-03-07

Family

ID=16701203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62217250A Pending JPS6460768A (en) 1987-08-31 1987-08-31 Method for controlling exhaust reflux in internal combustion engine

Country Status (1)

Country Link
JP (1) JPS6460768A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054460A (en) * 1989-12-28 1991-10-08 Toyota Jidosha Kabushiki Kaisha Exhaust gas recirculation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054460A (en) * 1989-12-28 1991-10-08 Toyota Jidosha Kabushiki Kaisha Exhaust gas recirculation system

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