Balanced bridge bleeder brake with HLA
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United States of America Patent
Stats
-
May 24, 2022
Grant Date -
May 6, 2021
app pub date -
Jan 11, 2021
filing date -
Jul 12, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valvetrain assembly configured to selectively perform a bleeder brake operation includes a rocker arm configured to rotate about a rocker shaft, a camshaft having a lobe configured to impart motion to the rocker arm through a pushrod, and a valve bridge assembly operably associated with the rocker arm and configured to be selectively engaged by the rocker arm to open at least one of a first and second engine valve. An engine brake capsule is operably associated with the valve bridge assembly and configured to operate in a drive mode where the engine brake capsule does not cause the valve bridge assembly to open the first or second engine valves, and a brake mode where the engine brake capsule engages the valve bridge assembly to partially open the first engine valve to perform the bleeder brake operation.
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