Direct acting tappet

Details Direct acting tappet Direct acting tappet

1992-11-04

1993-07-13

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9051, 123 9028, 74569, F01L 114

Patent

active

052263894

ABSTRACT:
A non-hydraulic direct acting tappet in the form of a cup-shaped body and a replaceable, cylindrical insert retained within a support formed inside the body. In a preferred embodiment, the support is in the form of a cylindrical boss formed on the inner end wall of the body and the insert is retained by press fitting. In other embodiments, the insert is retained by an O-ring on the insert, the boss and insert are of a non-circular shape, or the boss is on an axis offset from the longitudinal axis of the body.

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