Valve drive train actuating device
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United States of America Patent
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Jul 31, 2012
Grant Date -
Jul 22, 2010
app pub date -
Feb 8, 2010
filing date -
Aug 11, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
In a valve drive train actuating device, particularly for an internal combustion engine, having at least one firing camshaft, which can be phase shifted relative to a crankshaft by a firing camshaft adjusting device and a decompression brake device comprising at least one brake cam and at least one decompression valve, the valve drive train actuating device comprises an adjusting device for adjusting a decompression valve drive actuating point in time depending on the speed of the crankshaft of the engine such that, with decreasing speed of the crankshaft, the brake cam actuating point is moved toward the upper dead center position of the crankshaft.
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