Valve characteristic changing apparatus for internal...

Details Valve characteristic changing apparatus for internal... Valve characteristic changing apparatus for internal...

2006-08-01

2006-08-01

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090110, C123S090160, C123S090310, C251S129030

Reexamination Certificate

active

07082913

ABSTRACT:
A value characteristic changing apparatus for an internal combustion engine according to the invention is provided with an intake-side variable valve timing mechanism that changes a valve timing of an intake valve of an internal combustion engine, and an exhaust-side variable valve timing mechanism that changes a valve timing of an exhaust valve. The intake-side variable valve mechanism is a mechanism that uses an storage battery as a power source; the exhaust-side variable valve timing mechanism is a mechanism that uses a hydraulic pump of an engine driving type as a power source.

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patent: 6401675 (2002-06-01), Nakamura et al.
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patent: A 7-238815 (1995-09-01), None
patent: U 3044296 (1997-10-01), None
patent: A 2000-110527 (2000-04-01), None

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