Importance

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Abstract

A rocker arm assembly includes an engine brake capsule assembly. The engine brake capsule assembly movable between a retracted position and an extended position. The engine brake capsule assembly comprises a body comprising a lower chamber and an upper chamber. The engine brake capsule assembly further comprises a plunger disposed partially within the lower chamber, wherein the plunger comprises an external shoulder disposed on a side of the plunger, and a locking pin configured to extend into the lower chamber and engage with the external shoulder of the plunger. The engine brake capsule assembly further comprises an actuation pin disposed within the upper chamber and extending down into an internal housing disposed within the lower chamber and a check ball valve assembly disposed within the plunger configured to selectively enable a hydraulic fluid into an internal chamber of the plunger.

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First Claim