JPS57151802A - Detecting method for timing of internal combustion engine - Google Patents

Detecting method for timing of internal combustion engine

Info

Publication number
JPS57151802A
JPS57151802A JP3653481A JP3653481A JPS57151802A JP S57151802 A JPS57151802 A JP S57151802A JP 3653481 A JP3653481 A JP 3653481A JP 3653481 A JP3653481 A JP 3653481A JP S57151802 A JPS57151802 A JP S57151802A
Authority
JP
Japan
Prior art keywords
cylinder
upper dead
dead point
angle
timing
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
JP3653481A
Other languages
Japanese (ja)
Other versions
JPS639089B2 (en
Inventor
Michitaka Terasawa
Hidehiro Takano
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.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
Hino Jidosha Kogyo KK
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 Hino Motors Ltd, Hino Jidosha Kogyo KK filed Critical Hino Motors Ltd
Priority to JP3653481A priority Critical patent/JPS57151802A/en
Publication of JPS57151802A publication Critical patent/JPS57151802A/en
Publication of JPS639089B2 publication Critical patent/JPS639089B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes

Abstract

PURPOSE:To enable detecting of a reliable timing even if an engine runs at a very low rotation speed, by a method wherein a crank phase is detected in the middle between an upper dead point of a cylinder and an upper dead point of a succeeding explosion cylinder. CONSTITUTION:A crank angle speed is brought to a maximum at a P-point which is positioned at an angle of 90 deg. and in the middle of an upper dead point (TDC) in the case of 4-cylinder, at an angle of 60 deg. from the upper dead point in the case of 6-cylinder, and at an angle of 45 deg. from the upper dead point in the case of 8-cylinder. The detection of a crank phase at the P-point enables detecting of reliable timing even if a rotation speed of an engine is very low.
JP3653481A 1981-03-16 1981-03-16 Detecting method for timing of internal combustion engine Granted JPS57151802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3653481A JPS57151802A (en) 1981-03-16 1981-03-16 Detecting method for timing of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3653481A JPS57151802A (en) 1981-03-16 1981-03-16 Detecting method for timing of internal combustion engine

Publications (2)

Publication Number Publication Date
JPS57151802A true JPS57151802A (en) 1982-09-20
JPS639089B2 JPS639089B2 (en) 1988-02-25

Family

ID=12472445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3653481A Granted JPS57151802A (en) 1981-03-16 1981-03-16 Detecting method for timing of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57151802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045740A (en) * 1983-08-23 1985-03-12 Mazda Motor Corp Device for detecting rotational number of engine with controlled number of cylinders

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045740A (en) * 1983-08-23 1985-03-12 Mazda Motor Corp Device for detecting rotational number of engine with controlled number of cylinders
JPH0549813B2 (en) * 1983-08-23 1993-07-27 Mazda Motor

Also Published As

Publication number Publication date
JPS639089B2 (en) 1988-02-25

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