Valve timing controller

Details Valve timing controller Valve timing controller

2007-05-15

2008-12-02

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C464S160000

Reexamination Certificate

active

07458351

ABSTRACT:
A valve timing controller includes a guide rotation member provided with a guide groove, a bearing rotation member radially supporting the guide rotation member, and a plurality of movable bodies sliding in the guide groove in accordance with a rotation of the guide rotation member. A plurality of link mechanisms connects the bearing rotation member with each one of movable bodies respectively, and rotates the bearing rotation member in accordance with a movement of the movable bodies. The valve timing of at least one of the intake valve and the exhaust valve is adjusted in accordance with a rotation of the bearing rotation body. A clearance gap is provided between the guide rotation member and the bearing rotation member in order to permit a relative radial movement of the guide rotation member with respect to the bearing rotation member.

REFERENCES:
patent: 6883482 (2005-04-01), Takenaka et al.
patent: 7395791 (2008-07-01), Isobe
patent: 2005-48706 (2005-02-01), None

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