Rocker lever for valve operation of an internal combustion engine with device for automatic adjustment/readjustment of valve clearance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 2, 2003
Grant Date -
Feb 13, 2003
app pub date -
Oct 7, 2002
filing date -
Feb 8, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pivoting or rotating mounted rocker arm, for a valve train in an internal combustion engine, fitted with a mechanical valve play adjuster element, for the independent setting/adjustment of a first pre-set valve play between rocker arm and valve stem end. The valve play adjuster element comprises a hollow cylinder mounted in the rocker arm in a rotating manner, with planar surfaces (slide patches) formed around the hollow cylinder circumference and a turning spring which turns the slide patches in a predetermined direction. The independent rotation of the slide patches is prevented by contact of the relevant rear surface edge of the planar surface on the valve stem end, so long as a second given valve play is not reached.
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