Variable mechanical valve control for an internal combustion...

Details Variable mechanical valve control for an internal combustion... Variable mechanical valve control for an internal combustion...

2007-08-30

2009-10-20

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090390, C074S569000

Reexamination Certificate

active

07603973

ABSTRACT:
A variable mechanical valve control for an internal combustion engine is provided having an underhead camshaft for adjusting a valve stroke and an opening and closing time, making it possible to achieve a very compact transmission gear between the push rod drive and the intake and exhaust valves, to reduce the number of components required for the transmission gear, and to obtain a mechanical, completely variable valve train with an underhead camshaft.

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