Valve stem seal

Details Valve stem seal Valve stem seal

1995-11-14

1996-12-17

Solis, Erick R.

Internal-combustion engines

Valve

Packing

251332, F01L 308

Patent

active

055842712

ABSTRACT:
A valve stem seal for use in an internal combustion engine. The valve stem seal includes a leak resistant plastic seal member located at the bottom of a valve guide. The valve stem seal is secured in place around the bottom of the valve guide by a metallic outer case having a cylindrical shape. The valve stem seal is in continuous engagement with a reciprocating valve stem on the bottom portion of the valve guide system.

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patent: 2207400 (1940-07-01), Gass
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patent: 4706967 (1987-11-01), Ochsner
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patent: 4909202 (1990-03-01), Binford et al.
patent: 4947811 (1990-08-01), Binford
patent: 5460139 (1995-10-01), Marlin et al.

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