Internal-combustion engines – Poppet valve operating mechanism – Tappet
Patent
1996-10-15
1997-10-14
Lo, Weilun
Internal-combustion engines
Poppet valve operating mechanism
Tappet
123 9033, 123 9052, F01L 114, F01L 120
Patent
active
056760981
ABSTRACT:
A mechanical direct-acting bucket-type tappet which includes a sheet metal body, a plastic block within the body and having a cam-contacting roller received therein, a metal disc received within a seat formed in the block and operable to contact an engine valve, and opposed fins formed on the body in straddling relation to the roller and extending above the cam contacting surface of the roller such that they are in straddling relation to the engine cam.
REFERENCES:
patent: 5186130 (1993-02-01), Melchior
patent: 5327860 (1994-07-01), Kruger
patent: 5343833 (1994-09-01), Shirai
patent: 5365897 (1994-11-01), Speil et al.
patent: 5553512 (1996-09-01), Harimoto
patent: 5566652 (1996-10-01), Deppe
Eaton Corporation
Kasper L. J.
Lo Weilun
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