Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-05-29
2007-05-29
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150, C123S090310
Reexamination Certificate
active
11305165
ABSTRACT:
A vane rotor, a bush, and a press-fitting member are connected with a camshaft of an engine. The bush is supported by an inner surface of a front plate of a shoe housing. The press-fitting member is contact with an end surface of the camshaft. The bush and the press-fitting member are respectively press-fitted into both end surfaces of the vane rotor. Due to a press-fitting force difference between the bush and the press-fitting member, the vane rotor is slightly warped in a press-fitting direction of the bush to rotatably slide on an inner surface of the front plate.
REFERENCES:
patent: 6378475 (2002-04-01), Takenaka et al.
patent: 6457447 (2002-10-01), Sato et al.
patent: 6779500 (2004-08-01), Kanada et al.
patent: 8-121122 (1996-05-01), None
patent: 2001-241306 (2001-09-01), None
Denion Thomas
DENSO Corporation
Eshete Zelalem
Nixon & Vanderhye PC
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