Poppet valve operating system for internal combustion engine

Details Poppet valve operating system for internal combustion engine Poppet valve operating system for internal combustion engine

2006-12-08

2008-08-19

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090160, C123S090270

Reexamination Certificate

active

07412952

ABSTRACT:
A poppet valve operating system for an internal combustion engine includes poppet valves which are driven by rocker arms rotationally mounted to a rocker shaft. Each of the rocker arms is maintained in axial alignment upon the rocker shaft by a separate, resiliently biased telescoping pin housed in the rocker arm body. The rocker arm pins extend into indexing reliefs formed in the outer cylindrical surface of the rocker shaft.

REFERENCES:
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patent: 4553515 (1985-11-01), King et al.
patent: 4896635 (1990-01-01), Willermet et al.
patent: 5655741 (1997-08-01), Watkins
patent: 5975251 (1999-11-01), McCarthy
patent: 6230676 (2001-05-01), Pryba et al.
patent: 6412460 (2002-07-01), Sato et al.
patent: 10310476 (2004-10-01), None

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