Valve lifter

Internal-combustion engines – Poppet valve operating mechanism – Tappet

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Details

123 9051, 74569, F01L 116

Patent

active

052399516

ABSTRACT:
A valve lifter of the roller type formed of a lightweight metal preferably aluminum or magnesium alloy. A roller formed of a wear resistant ceramic material is rotatably secured to the valve lifter. The wear/bearing surfaces of the valve lifter are impregnated with a solid film lubricant to provide reduced friction during operation.

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