Valve lifter

Details Valve lifter Valve lifter

1992-11-12

1993-08-31

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

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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