Hydraulic lash adjuster with damping device

Internal-combustion engines – Poppet valve operating mechanism – Tappet

Reexamination Certificate

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C123S090550, C074S569000

Reexamination Certificate

active

07845327

ABSTRACT:
A system and method for lash adjustment in the valvetrain of an internal combustion engine include a hydraulic lash adjuster having a damping device to limit rate of movement of a plunger relative to a body to control response time of the lash adjuster reducing or eliminating over-compensation or pump-up of the lash adjuster.

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