Oil metering valve seal

Details Oil metering valve seal Oil metering valve seal

2005-02-03

2008-10-21

Bastianelli, John (Department: 3753)

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

C123S188600, C123S188900, C251S214000, C277S502000

Reexamination Certificate

active

07438036

ABSTRACT:
A valve stem seal having an annular valve body with an upper surface, a lower surface, and defining an aperture is disclosed. The valve body is positioned for selective sealing engagement with a valve stem. At least one orifice is disposed on an inner surface of the annular valve body between the annular valve body and the valve stem. The orifice controls the rate of oil flow between the annular valve body and the valve stem.

REFERENCES:
patent: 1868668 (1932-07-01), Mahon
patent: 2860615 (1958-11-01), Mayes
patent: 4124220 (1978-11-01), Leone et al.
patent: 4125265 (1978-11-01), Grzesiak
patent: 4198062 (1980-04-01), Grzesiak
patent: 4325558 (1982-04-01), Poggio
patent: 4915069 (1990-04-01), Lafever et al.
patent: 4993379 (1991-02-01), Viazzi
patent: 5058541 (1991-10-01), Shibata et al.
patent: 5237971 (1993-08-01), Worsley
patent: 5553869 (1996-09-01), Stamback
patent: 5558056 (1996-09-01), Sakata
patent: 6006778 (1999-12-01), Kim
patent: 6209504 (2001-04-01), Hegemier et al.
patent: 6394463 (2002-05-01), Otani
patent: 6412467 (2002-07-01), Leimer
patent: 6938877 (2005-09-01), McArthy et al.

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