Valve timing adjusting apparatus

Details Valve timing adjusting apparatus Valve timing adjusting apparatus

2007-10-16

2007-10-16

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090310

Reexamination Certificate

active

11514943

ABSTRACT:
A driving-side rotatable body includes a driving-side inner gear, which has an axial extent that does not overlap with an axial extent of a driven-side inner gear of a driven-side rotatable body. A driven-side outer gear and a driving-side outer gear of a planet gear are meshed with and are driven together with the driven-side inner gear and the driving-side inner gear, so that the planet gear changes a relative rotational phase between the driven-side rotatable body and the driving-side rotatable body. A length of a tooth contact between the driven-side inner gear and the driven-side outer gear measured in a direction of a tooth trace thereof is set to be longer than a length of a tooth contact between the driving-side inner gear and the driving-side outer gear measured in a direction of a tooth trace thereof.

REFERENCES:
patent: 6637389 (2003-10-01), Schafer et al.
patent: 6883482 (2005-04-01), Takenaka et al.
patent: 41 10 195 (2000-02-01), None
patent: 9-60509 (1997-03-01), None
US Serial No. Not yet assigned; Filed Sep. 5, 2006; Inv.: Uehama et al; JP counterpart JP 2005-256779.
US Serial No. Not yet assigned; Filed Sep. 5, 2006; Inv.: Uehama et al; JP counterpart JP 2005-256779.

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