Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-02-13
2009-08-25
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090170, C464S160000, C475S338000
Reexamination Certificate
active
07578271
ABSTRACT:
A valve timing controller is provided with a first rotary element including a first gear part, a second rotary element including a second gear part, and a third rotary element including a third gear part and a fourth gear part. The third gear part and the fourth gear part are meshed respectively with the first gear part and the second gear part. A stopper is provided so as to extend in the first rotary element in the radial direction for regulating a relative rotational phase shift angle between the first rotary element and the second rotary element. An interposing assembler is provided on the second rotary element for rotatably interposing the stoppers in an axial direction.
REFERENCES:
patent: 7281507 (2007-10-01), Uehama et al.
patent: 7314030 (2008-01-01), Uehama et al.
patent: 7377242 (2008-05-01), Uehama et al.
patent: 4110195 (1992-10-01), None
Morii Yasushi
Sudou Akiyuki
Sugiura Taei
Chang Ching
DENSO CORPORATION
Nixon & Vanderhye PC
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