Cam angle detecting apparatus, and cam phase detecting...

Details Cam angle detecting apparatus, and cam phase detecting... Cam angle detecting apparatus, and cam phase detecting...

2006-03-14

2008-08-12

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090310

Reexamination Certificate

active

07409936

ABSTRACT:
An in-line four-cylinder engine provided with a variable valve timing mechanism which changes a rotation phase of a camshaft relative to a crankshaft, and a cam angle sensor which outputs a cam angle signal at each 45 (deg.) of the camshaft, detection of an angle spanning from a reference rotational position of the crankshaft to the cam angle signal being made to thereby detect the rotation phase of the camshaft.

REFERENCES:
patent: 5245968 (1993-09-01), Kolias et al.
patent: 5469735 (1995-11-01), Watanabe
patent: 6135078 (2000-10-01), Doi et al.
patent: 2003/0192495 (2003-10-01), Hagner et al.
patent: 2006/0201238 (2006-09-01), Trapasso et al.
patent: 2000-303865 (2000-10-01), None

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