Cam phaser position detection

Details Cam phaser position detection Cam phaser position detection

1996-10-21

1998-02-10

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123414, 731173, F01L 134, G01M 1500

Patent

active

057157804

ABSTRACT:
Internal combustion engine camshaft phaser position detection with a single position sensor fixed in position relative to a rotatably driven member rotating in constant phase with the engine camshaft and a rotatably driving member rotating in constant phase with the engine crankshaft. Teeth or slots are provided on the driven and driving members and pass in proximity to the sensor for varying a sensor output signal which is processed to determine the relative time of passage of the driving and driven members to determine relative phase therebetween.

REFERENCES:
patent: 4158305 (1979-06-01), Shipley
patent: 4417469 (1983-11-01), Stevenson et al.
patent: 4517934 (1985-05-01), Papez
patent: 4762097 (1988-08-01), Baker
patent: 4856465 (1989-08-01), Denz et al.
patent: 5522352 (1996-06-01), Adachi et al.

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