JPS5578155A - Control device for internal combustion engine - Google Patents

Control device for internal combustion engine

Info

Publication number
JPS5578155A
JPS5578155A JP15233878A JP15233878A JPS5578155A JP S5578155 A JPS5578155 A JP S5578155A JP 15233878 A JP15233878 A JP 15233878A JP 15233878 A JP15233878 A JP 15233878A JP S5578155 A JPS5578155 A JP S5578155A
Authority
JP
Japan
Prior art keywords
abnormal combustion
control device
combustion engine
internal combustion
combustion
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
JP15233878A
Other languages
Japanese (ja)
Inventor
Iwao Takagi
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP15233878A priority Critical patent/JPS5578155A/en
Publication of JPS5578155A publication Critical patent/JPS5578155A/en
Pending legal-status Critical Current

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  • Exhaust-Gas Circulating Devices (AREA)

Abstract

PURPOSE: To check abnormal combustion by detecting abnormal combustion and by changing the air/fuel ratio of a fuel mixture by the EGR rate.
CONSTITUTION: Signals of abnormal combustion detector 9, which detects abnormal combustion, including knocking, are sent to discriminator 8, which determines whether or not there exists abnormal combustion. The output of discriminator 8 controls the opening and closing of electromagnetic valve 7. When electromagnetic valve 7 becomes conducting, it is opened, and exhaust gas is recirculated to the suction system. Since combustion is checked by this exhaust gas, abnormal combustion, including knocking, is checked.
COPYRIGHT: (C)1980,JPO&Japio
JP15233878A 1978-12-07 1978-12-07 Control device for internal combustion engine Pending JPS5578155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15233878A JPS5578155A (en) 1978-12-07 1978-12-07 Control device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15233878A JPS5578155A (en) 1978-12-07 1978-12-07 Control device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5578155A true JPS5578155A (en) 1980-06-12

Family

ID=15538346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15233878A Pending JPS5578155A (en) 1978-12-07 1978-12-07 Control device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5578155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668439A1 (en) * 1994-02-17 1995-08-23 MAGNETI MARELLI S.p.A. System for reducing detonation phenomena in a combustion chamber of an endothermic engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668439A1 (en) * 1994-02-17 1995-08-23 MAGNETI MARELLI S.p.A. System for reducing detonation phenomena in a combustion chamber of an endothermic engine

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