Valve timing control device of internal combustion engine

Details Valve timing control device of internal combustion engine Valve timing control device of internal combustion engine

2006-08-15

2006-08-15

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090120, C123S090150, C123S090160, C123S090310, C464S002000, C464S160000, C464S161000

Reexamination Certificate

active

07089898

ABSTRACT:
In a valve timing control device, a control means is configured to carry out feeding one of retarding and advancing chambers with a hydraulic pressure upon starting of the engine; actuating one of first and second disengaging mechanisms to cancel the engagement of one of first and second projectable members with the corresponding one of first and second engaging portions; feeding the other of the retarding and advancing chambers with a hydraulic pressure to turn a vane member in a housing within a range determined by each of the first and second engaging portions; and actuating, while the vane member is under the rotational movement within the range, the other of the first and second disengaging mechanisms to cancel the engagement of the other of the first and second projectable members with the corresponding one of the first and second engaging portions.

REFERENCES:
patent: 6053139 (2000-04-01), Eguchi et al.
patent: 6302072 (2001-10-01), Sekiya et al.
patent: 6332439 (2001-12-01), Sekiya et al.
patent: 6739298 (2004-05-01), Kusano et al.
patent: 6779499 (2004-08-01), Takenaka et al.
patent: 2002-357105 (2002-12-01), None

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