Latched reset mechanism for engine brake
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United States of America Patent
Stats
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Feb 17, 2004
Grant Date -
Feb 6, 2003
app pub date -
Jun 13, 2002
filing date -
Jun 13, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and rocker arm assembly for actuating an engine valve are disclosed. The rocker arm may include an integrated hydraulic circuit used to control a lost motion piston. A reset piston may be included in the rocker arm to selectively reset the position of the lost motion piston. A control piston may also be included in the rocker arm to selectively lock the reset piston into a reset position. The rocker arm assembly may be used to achieve compression-release or bleeder braking, main intake, main exhaust, brake gas recirculation, and/or exhaust gas recirculation valve events.
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