Valve timing control system for internal combustion engine

Details Valve timing control system for internal combustion engine Valve timing control system for internal combustion engine

2005-11-15

2005-11-15

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090170, C123S090310, C464S160000

Reexamination Certificate

active

06964249

ABSTRACT:
A valve timing control system includes a hydraulic-pressure supply/discharge device for selectively supplying and discharging working fluid from advance and retard chambers, an annular recess formed in a sidewall member of a housing to face a housing main body and communicating with one supply/discharge passage of the hydraulic-pressure supply/discharge device, and a radial groove radially extending from the annular recess and communicating with the advance chamber or the retard chamber.

REFERENCES:
patent: 5588404 (1996-12-01), Lichti et al.
patent: 6443113 (2002-09-01), Kanada et al.
patent: 11-159311 (1999-06-01), None

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