MECHANICALLY CONTROLLABLE VALVE DRIVE
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United States of America Patent
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-
N/A
Issued Date -
Aug 29, 2013
app pub date -
Aug 31, 2011
filing date -
Oct 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mechanically controllable valve drive includes a cylinder head, a valve lift adjustment device comprising a rocker arm, a pivoted lever assembly comprising an end surface, an engagement element, and a bearing means. The pivoted lever assembly is mounted in the cylinder head via the bearing means so as to be movable. A gas exchange valve is configured to have the pivoted lever assembly act thereon via the end surface. A positioning device is configured to engage on the rocker arm. A valve clearance is arranged between the rocker arm and the engagement element. At least one adjustment device is configured to provide a valve clearance adjustment. The engagement element of the pivoted lever assembly is operatively connected to the rocker arm of the valve lift adjustment device via a work curve.
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