Valve seal body including encapsulated metal spring seat and met

Details Valve seal body including encapsulated metal spring seat and met Valve seal body including encapsulated metal spring seat and met

1999-06-14

2000-11-21

Wolfe, Willis R.

Internal-combustion engines

Valve

Packing

F01L 308

Patent

active

06148783&

ABSTRACT:
An improved integral valve seal body suitable for an internal combustion engine and a method for making the valve seal body is disclosed. The valve seal body is comprised of a valve seal retainer including a cylindrical body and a metal spring seat. The valve seal retainer defines an inner cylindrical passageway and includes a radially extending flange. The metal spring seat, which may be comprised of a corrugated metal washer, is substantially or entirely encapsulated within the radially extending flange of the valve seal retainer body.

REFERENCES:
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patent: 3326562 (1967-06-01), Deuring
patent: 3599992 (1971-08-01), Kammeraad
patent: 3910586 (1975-10-01), Todaro
patent: 4834037 (1989-05-01), Lafever
patent: 5110142 (1992-05-01), Szott

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