Valve Drive Assembly for an Internal Combustion Engine
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United States of America Patent
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-
N/A
Issued Date -
May 7, 2009
app pub date -
Mar 9, 2007
filing date -
Mar 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a valve drive assembly for an internal combustion engine. The aim of the invention is to improve the assembly in such a manner that a stationary cam can be reliably connected to a cam that is rotatably mounted on the camshaft and to avoid malfunctions. For this purpose, a groove-type guide is arranged in the area of the base circle of the cam which is rotatably mounted on the camshaft. A pilot locking plunger is mounted in a blind bore of the base circle of the cam that is connected to the camshaft so as to rotate with it. The plunger can be displaced in a controlled manner and can be engaged with the guide disengaged therefrom. The groove-type guide in which the pilot locking plunger engages extends in the base circle of the rotatably mounted cam by approximately 180°.
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