Mechanically controllable valve drive arrangement
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United States of America Patent
Stats
-
Dec 8, 2015
Grant Date -
Jan 29, 2015
app pub date -
Dec 17, 2012
filing date -
Mar 8, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A mechanically controllable valve drive arrangement includes gas exchange valves each having cylinders associated therewith, a camshaft comprising a peripheral contour, a bearing, an adjusting lever comprising a first end and a second end, a valve lift adjustment device comprising a control shaft which acts on the first end, and a transmission arrangement associated with a respective gas exchange valve. The adjusting lever is supported in the bearing. Each transmission arrangement comprises at least one intermediate lever arrangement comprising an engagement element, and an intermediate lever comprising a working cam, and at least one pivot lever arrangement comprising a pivot lever. The working cam is operatively connected to the pivot lever. The intermediate lever is operatively connected to the peripheral contour. The engagement element is operatively connected to the valve lift adjustment device. The second end of the adjusting lever is operatively connected to the engagement element.
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