Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-10-30
2007-10-30
Eshete, Zelalem (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150, C123S090310
Reexamination Certificate
active
11213925
ABSTRACT:
In valve control apparatus for an internal combustion engine and its assembling method, a positioning section is interposed between a predetermined position of a housing member at which a shoe is positioned so as to be opposed against a side surface of a vane in which a lock piston is arranged and one of a front cover and a rear plate on which a lock hole is formed, to perform a housing circumferential directional positioning of the lock piston and the lock hole.
REFERENCES:
patent: 6595173 (2003-07-01), Hori
patent: 2001/0039932 (2001-11-01), Sekiya et al.
patent: 3075337 (2000-06-01), None
patent: 2003-113703 (2003-04-01), None
patent: 2004-100574 (2004-04-01), None
Suga Seiji
Tsukada Tomoya
Eshete Zelalem
Foley and Lardner LLP
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