Light weight valve lifter

Details Light weight valve lifter Light weight valve lifter

1994-12-16

1995-10-17

Yuen, Henry C.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9051, 123 9035, 74569, F01L 114

Patent

active

054580978

ABSTRACT:
A mechanical valve lifter for racing applications. A very light weight valve lifter is formed by a structure which includes a thin-walled tubular outer member and a solid core member having spaced apart flanges or disks formed integral therewith to support the outer member. A plasma transferred arc welded cam-contacting surface is formed on one end of the lifter and a pushrod-contacting surface is formed on the other end.

REFERENCES:
patent: 3234815 (1966-02-01), Line
patent: 3303833 (1967-02-01), Melling
patent: 3470983 (1969-10-01), Briggs
patent: 3683876 (1972-08-01), Lesher
patent: 4475490 (1984-10-01), Oono et al.

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