JPS56101070A - Knock detecting method in multicylinder engine - Google Patents

Knock detecting method in multicylinder engine

Info

Publication number
JPS56101070A
JPS56101070A JP192680A JP192680A JPS56101070A JP S56101070 A JPS56101070 A JP S56101070A JP 192680 A JP192680 A JP 192680A JP 192680 A JP192680 A JP 192680A JP S56101070 A JPS56101070 A JP S56101070A
Authority
JP
Japan
Prior art keywords
knocks
cylinder
occurrence
compared
fuel ratio
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.)
Granted
Application number
JP192680A
Other languages
Japanese (ja)
Other versions
JPS632026B2 (en
Inventor
Mitsuyuki Ugajin
Hidetaka Nohira
Kunimasa Yoshimura
Hisashi Oki
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP192680A priority Critical patent/JPS56101070A/en
Publication of JPS56101070A publication Critical patent/JPS56101070A/en
Publication of JPS632026B2 publication Critical patent/JPS632026B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/152—Digital data processing dependent on pinking
    • F02P5/1522—Digital data processing dependent on pinking with particular means concerning an individual cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

PURPOSE:To check the occurrence of knocks by a method wherein a specific cylinder is put in a state in which the knocks tend to occur by controlling an air fuel ratio of a mixed gas and the occurrence of the knocks in the specific cylinder is detected, in a high load operation region. CONSTITUTION:A resistor 27 is inserted in a control circuit of a fuel injection valve 12 of a cylinder 5 and a knock senser 35 is provided near the cylinder 5. At the high load operation requiring the amount of the fuel to be increased, a valve opening characteristic of the fuel injection valve 12 is changed by the resistor 27 as compared with other characteristics, the cylinder 5 is supplied with the mixed gas of the air fuel ratio closer to the theoretical air fuel ratio as compared with other cylinders, and the same is put in a state in which the knocks tend to occur as compared with other cylinders. Accordingly, the occurrences of the knocks in the cylinder 5 are detected by the knock senser 35, thereby enabling the knocks to be checked against the occurrence.
JP192680A 1980-01-11 1980-01-11 Knock detecting method in multicylinder engine Granted JPS56101070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP192680A JPS56101070A (en) 1980-01-11 1980-01-11 Knock detecting method in multicylinder engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP192680A JPS56101070A (en) 1980-01-11 1980-01-11 Knock detecting method in multicylinder engine

Publications (2)

Publication Number Publication Date
JPS56101070A true JPS56101070A (en) 1981-08-13
JPS632026B2 JPS632026B2 (en) 1988-01-16

Family

ID=11515196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP192680A Granted JPS56101070A (en) 1980-01-11 1980-01-11 Knock detecting method in multicylinder engine

Country Status (1)

Country Link
JP (1) JPS56101070A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648930A3 (en) * 1993-10-13 1996-05-29 Man Technologie Gmbh Method to control and supervise knocking of a multicylinder combustion engine using a special knock detection cylinder.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142966A (en) * 1979-04-23 1980-11-07 Nissan Motor Co Ltd Control method of ignition timing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142966A (en) * 1979-04-23 1980-11-07 Nissan Motor Co Ltd Control method of ignition timing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0648930A3 (en) * 1993-10-13 1996-05-29 Man Technologie Gmbh Method to control and supervise knocking of a multicylinder combustion engine using a special knock detection cylinder.

Also Published As

Publication number Publication date
JPS632026B2 (en) 1988-01-16

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