Valve timing adjusting apparatus

Details Valve timing adjusting apparatus Valve timing adjusting apparatus

2005-08-23

2005-08-23

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090310, C123S090150

Reexamination Certificate

active

06932039

ABSTRACT:
A valve timing adjusting apparatus comprises a first rotating body adjusting the opening/closing timing of the intake valves, and a second rotating body adjusting the opening/closing timing of exhaust valves. A first and a second driving force transmitting members respectively have first and second endless members for power transmission. The peripheral shape of the second rotating body comprises a circumferential shape portion and cutoff shape portions whose distance from the center of rotation is smaller than the circumferential shape portion's. When the first and second rotating bodies are assembled to an internal combustion engine, the cutoff shape portions are positioned in such a rotation angle position that the first endless member for power transmission can be inserted into the gap between the first and second rotating bodies.

REFERENCES:
patent: 6135077 (2000-10-01), Moriya et al.
patent: 6250266 (2001-06-01), Okui et al.
patent: 6386164 (2002-05-01), Mikame et al.
patent: 2003/0094152 (2003-05-01), Katayama
patent: 11-2107 (1999-01-01), None
patent: 2000-179314 (2000-06-01), None

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