Variable valve gear

Details Variable valve gear Variable valve gear

2005-05-17

2005-05-17

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090170, C123S090270, C123S090310, C123S090390, C123S090440, C123S19800E, C074S569000, C074S57900F

Reexamination Certificate

active

06892684

ABSTRACT:
A variable valve gear particularly for internal combustion engines, in which a control cam of a camshaft acts, by way of pair of swivellably coupled levers, to a valve to produce an adjustment of the valve stroke. The valve stoke can vary continuously from a maximum lift to zero lift while the valve clearance can remain unchanged.

REFERENCES:
patent: 4612887 (1986-09-01), Yoshizaki
patent: 4768467 (1988-09-01), Yamada et al.
patent: 5056476 (1991-10-01), King
patent: 5205247 (1993-04-01), Hoffman
patent: 5365895 (1994-11-01), Riley
patent: 5456224 (1995-10-01), Riley
patent: 5899180 (1999-05-01), Fischer
patent: 6055949 (2000-05-01), Nakamura et al.

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