Cam drive gear and valve operating system drive gear for engine

Details Cam drive gear and valve operating system drive gear for engine Cam drive gear and valve operating system drive gear for engine

2007-01-02

2007-01-02

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Camshaft drive means

C123S090170, C123S090270

Reexamination Certificate

active

11295098

ABSTRACT:
A cam drive gear for an engine is described where the distance between the axes of a crankshaft and an idle shaft bearing an idle gear thereon can be made smaller, thereby contributing to a reduction in the size of the engine. In addition, a valve-operating system drive gear for an engine is also described where it is possible to restrain a cam chain from chattering at its portion wrapped around a drive sprocket.

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