Tappet in an internal combustion engine and a method of manufact

Details Tappet in an internal combustion engine and a method of manufact Tappet in an internal combustion engine and a method of manufact

1997-11-07

1999-08-31

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Tappet

74569, 2988843, 228194, F01L 114

Patent

active

059439904

ABSTRACT:
A tappet is used in an internal combustion engine. A cam-slidably-contacting member is placed on a top wall of a tappet body via diffusing material which comprises mixture of one or more elements of Zn, Mg, Sn, Cu and Pb. The cam-slidably-contacting member and the tappet body are pressed with the diffusing material held therebetween, so that the diffusing material is diffused into the tappet body and the cam-slidably-contacting member until a layer which comprises only the diffusing material does not substantially remain to form the tappet having high strength.

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