Rocker latch for controlling engine valve actuation
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United States of America Patent
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Aug 9, 2016
Grant Date -
Jul 3, 2014
app pub date -
Dec 18, 2013
filing date -
Dec 18, 2012
priority date (Note) -
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Abstract
Engine valve actuation systems and methods used to decompress an engine cylinder during engine start-up, shut-down, and for bleeder braking are disclosed. An exemplary system may include a rocker arm pivotally mounted on a rocker shaft, and a structure mounted adjacent to the rocker arm in a fixed position relative to the rocker arm. A latch piston may be slidably disposed between the rocker arm and the structure. The latch piston may be selectively extended to engage both the rocker arm and structure to limit the pivotal motion of the rocker arm and maintain the engine valves in an open condition.
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