Internal-combustion engines – Poppet valve operating mechanism – Tappet
Reexamination Certificate
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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Mandal Dhruva
Williams Carroll
Alden Dana Andrew
Denion Thomas
Eshete Zelalem
MacLean-Fogg Company
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