Valve operating apparatus for internal combustion engine

Details Valve operating apparatus for internal combustion engine Valve operating apparatus for internal combustion engine

2007-02-01

2009-10-13

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090390, C123S090440, C074S569000

Reexamination Certificate

active

07600496

ABSTRACT:
A valve operating apparatus for an internal combustion engine including a drive cam, first and second swing cams, first and second motion transmission mechanisms and first and second valve actuating members. The first and second swing cams are provided with identical swing motion characteristic with respect to a rotation angle of the drive cam through the first and second motion transmission mechanisms. The first swing cam and the first valve actuating member cooperate with each other to provide a valve lift amount of the engine valve for the first group of cylinders with respect to a swing angle of the first swing cam which is identical to a valve lift amount of the engine valve for the second group of cylinders with respect to a swing angle of the second swing cam.

REFERENCES:
patent: 5996540 (1999-12-01), Hara
patent: 6705264 (2004-03-01), Onoue
patent: 7246578 (2007-07-01), Nakamura et al.
patent: 1657746 (2005-08-01), None
patent: 10-280931 (1998-10-01), None
patent: 2003-176707 (2003-06-01), None

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