Variable valve timing control device

Details Variable valve timing control device Variable valve timing control device

2005-06-21

2005-06-21

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C074S56800M

Reexamination Certificate

active

06907853

ABSTRACT:
A variable valve timing control device includes a housing, a rotor at least one shoe portion dividing a fluid pressure chamber provided between the housing and the rotor, a plate member closing one axial end surface of the housing, plural fixing members for unitarily fixing the housing and the plate member, a vane dividing the fluid pressure chamber into an advance angle chamber and a retarded angle chamber, a lock plate provided on the rotor or the housing, an engagement groove provided on the other of the rotor and the housing for engaging the lock plate, and a relative rotation control mechanism provided on the one of the housing and the rotor. One of the fixing members is provided between one of the fluid pressure chambers and the relative rotation control mechanism and another fixing member is provided between the relative rotation control mechanism and another fluid pressure chamber.

REFERENCES:
patent: 5836276 (1998-11-01), Iwasaki et al.
patent: 5836277 (1998-11-01), Kira et al.
patent: 5865151 (1999-02-01), Fukaya et al.
patent: 5941203 (1999-08-01), Sato
patent: 6006709 (1999-12-01), Ushida
patent: 6024061 (2000-02-01), Adachi et al.
patent: 6024062 (2000-02-01), Kako et al.
patent: 6026772 (2000-02-01), Shirabe
patent: 2001-3716 (2001-01-01), None

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