Rocker arm assembly for engine braking
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United States of America Patent
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Issued Date -
Jun 13, 2019
app pub date -
Feb 13, 2019
filing date -
Feb 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An aspect of the invention provides an exhaust valve rocker arm assembly operable in a combustion engine mode and an engine braking mode, the exhaust valve rocker arm assembly comprising: a rocker shaft that defines a pressurized oil supply conduit; a rocker arm configured to receive the rocker shaft and configured to rotate around the rocker shaft, the rocker arm including an oil supply passage defined in the rocker arm; a valve bridge configured to engage a first exhaust valve at a spherical elephant foot and a second exhaust valve at a cylindrical elephant foot; a hydraulic lash adjuster assembly, disposed on the rocker arm, including a first plunger body configured to extend rigidly and cooperatively engage with the valve bridge.
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