Auxiliary Valve Motions Employing Disablement of Main Valve Events and/or Coupling of Adjacent Rocker Arms
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United States of America Patent
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Issued Date -
Sep 11, 2014
app pub date -
May 23, 2014
filing date -
Jul 27, 2011
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Abstract
In controlling valve motions of an internal combustion engine, after determining that engine braking operation has been initiated, a deactivation mechanism disposed within a main valve train is activated thereby disabling conveyance of main valve events from a main valve motion source to a valve via the main valve train. Engine braking valve events are enabled for the valve, which may include two-stroke engine braking. Coupling mechanisms, including one-way coupling mechanisms, between adjacent rocker arms may be used in this manner.
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