Valve timing control apparatus for internal combustion...

Details Valve timing control apparatus for internal combustion... Valve timing control apparatus for internal combustion...

2005-03-18

2008-10-28

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090310, C123S347000, C464S160000

Reexamination Certificate

active

07441524

ABSTRACT:
In a structure with a variable valve timing mechanism which varies an opening-and-closing timing of an intake valve and/or an exhaust valve due to a rotational phase of a camshaft with respect to a crankshaft of an internal combustion engine being varied, the rotational phase is detected in an arbitrary timing regardless of a rotational period of the camshaft, and the variable valve timing mechanism is controlled on the basis of the detected rotational phase.

REFERENCES:
patent: 5680834 (1997-10-01), Szpak et al.
patent: 6868812 (2005-03-01), Saito et al.
patent: 7011060 (2006-03-01), Okamoto et al.
patent: 7159545 (2007-01-01), Miyakoshi et al.
patent: 2000-303865 (2000-10-01), None
patent: 2002-130038 (2002-05-01), None

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