Valve timing control apparatus

Details Valve timing control apparatus Valve timing control apparatus

2007-07-30

2009-10-06

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090170, C464S160000

Reexamination Certificate

active

07597073

ABSTRACT:
A valve timing control apparatus includes a driving side rotational member synchronously rotatable with a crankshaft of an internal combustion engine, a driven side rotational member arranged coaxially with the driving side rotational member and synchronously rotatable with a camshaft of the internal combustion engine, a plurality of fluid pressure chambers each including an advanced angle chamber and a retarded angle chamber, a plurality of vanes each dividing the fluid pressure chamber into the advanced angle chamber and the retarded angle chamber, an intermediate member of which a portion is provided in the fluid pressure chamber and engageable with the driving side rotational member and the driven side rotational member, and an engagement member for causing the intermediate member to engage with either one of the driving side rotational member and the driven side rotational member in response to an operating state of the internal combustion engine.

REFERENCES:
patent: 09317410 (1997-12-01), None
patent: 11-294121 (1999-10-01), None

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