Valve gear of internal combustion engine

Details Valve gear of internal combustion engine Valve gear of internal combustion engine

2006-06-06

2006-06-06

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Cam

C123S090110, C123S090310, C123S090160

Reexamination Certificate

active

07055480

ABSTRACT:
There is provided a valve gear of an internal combustion engine, comprising a cam mechanism for converting rotational motion of an electric motor into linear motion to drive a valve for opening and closing a cylinder against a valve spring, and a torque reduction mechanism for adding an opposite torque, which serves so as to reduce a torque applied to the cam mechanism from the valve spring at the time of driving the valve, to the cam mechanism.

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patent: 2004/0118367 (2004-06-01), Ezaki et al.
patent: 2 608 675 (1988-06-01), None
patent: 59-068509 (1984-04-01), None
patent: 08-177536 (1996-07-01), None

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