Low mass roller valve lifter assembly

Details Low mass roller valve lifter assembly Low mass roller valve lifter assembly

1993-06-07

1994-05-03

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Tappet

74569, F01L 114

Patent

active

053077695

ABSTRACT:
An assembly of a low mass roller valve lifter having a body diameter smaller than the diametral extent of the associated roller and a sleeve sized to receive protruding portions of the roller. The sleeve has a transverse slot that guides flatted ends of the roller shaft to restrain rotation of the lifter body and of the roller shaft. Various sleeve retainers are disclosed and oil supply means are provided suitable for new or reworked engines.

REFERENCES:
patent: Re25974 (1966-03-01), Dadd
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patent: 1566923 (1925-12-01), Roberts
patent: 1682821 (1928-09-01), Woolson
patent: 1802330 (1931-04-01), Boland
patent: 1840633 (1932-01-01), Morehouse
patent: 3668945 (1972-06-01), Hofmann
patent: 4089234 (1978-05-01), Henson et al.
patent: 4173954 (1979-11-01), Speckhart
patent: 4231267 (1980-11-01), Van Slooten
patent: 5022356 (1991-06-01), Morel, Jr. et al.

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