Internal combustion engine having a motor brake assembly
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United States of America Patent
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Aug 14, 2012
Grant Date -
Apr 7, 2011
app pub date -
Oct 1, 2010
filing date -
Oct 2, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An internal combustion engine includes an exhaust valve for removing exhaust gas from a combustion chamber and an engine braking device with a hydraulic valve control unit by which the exhaust valve is held in an intermediate open position when the engine braking device is actuated. The internal combustion engine includes a hydraulic valve lash compensation mechanism for the exhaust valve and a control channel formed between the hydraulic valve control unit and an oil feed channel for feeding oil to the hydraulic valve control unit which can be closed by a closure element to compensate for valve lash of the exhaust valve. A counter-holder is constructed as a piston-cylinder unit that forms a variable stop for a valve bridge cooperating with the valve lash compensation mechanism.
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