Valve timing control device

Details Valve timing control device Valve timing control device

2005-05-10

2005-05-10

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090170, C123S090310, C277S345000

Reexamination Certificate

active

06889640

ABSTRACT:
A first cylindrical part in which axial part passages for supplying a fluid to or discharging a fluid from a fluid pressure chamber are formed is provided in a rotor and, at the same time, a second cylindrical member in which cover passages communicating with axial part passages and a fluid supplying and discharging means are formed is provided. The first cylindrical part is overlaid on an inner side relative to the second cylindrical member in a radial direction and is constructed of an aluminium alloy, a sealing groove for accommodating a sealing member for tight sealing between a first cylindrical part and a second cylindrical member with an outer peripheral surface and a side surface thereof is provided, and a friction A between a side of a sealing member and a sealing groove is set to be greater than a friction B between an outer peripheral side of the sealing member and an inner peripheral side of the second cylindrical member.

REFERENCES:
patent: 4290611 (1981-09-01), Sedy
patent: 5865150 (1999-02-01), Kramer et al.
patent: 6679208 (2004-01-01), Stephan et al.
patent: 2001-82115 (1999-09-01), None

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