Valve lifter body

Details Valve lifter body Valve lifter body

2007-04-24

2007-04-24

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Tappet

C123S090610, C123S090520, C029S888030

Reexamination Certificate

active

11355223

ABSTRACT:
The present invention relates to a valve lifter body, comprising an outer surface, enclosing a first cavity and a second cavity, wherein the first cavity includes a first inner surface configured to house a cylindrical insert, the second cavity includes a second inner surface cylindrically shaped, and at least one of the cavities is fabricated through forging.

REFERENCES:
patent: 4741298 (1988-05-01), Rhoads
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Drawing depicting leakdown plunger in dye block, Oct. 29, 1985, 02471.
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Drawing predating Oct. 18, 2002, 03100.
Drawing predating Oct. 18, 2002, 03748.

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