Valve seal for a pressure medium controlling valve

Details Valve seal for a pressure medium controlling valve Valve seal for a pressure medium controlling valve

1980-03-06

1981-11-03

Chambers, A. Michael

Valves and valve actuation

Valve

Removable seat engaging element

277152, F16K 2500, F16J 906, F16J 1522

Patent

active

042981840

ABSTRACT:
A pressure medium controlling valve has a valve member with an annular groove being formed in the surface of the valve member directed toward a valve seat. A resilient sealing ring is disposed within the annular groove and is opposed from the valve seat. The side of the annular groove facing toward the pressure medium is cylindrical and is engaged by the end of a resilient sealing lip attached to the outer peripheral surface of the sealing ring. The sealing lip extends angularly outwardly away from the sealing ring and toward the surface of the valve member directed toward the valve seat so that the outer end of sealing lip abuts resiliently against the cylindrical surface of the groove to form a seal therewith. The other side of the annular groove is provided with an undercut which receives a correspondingly shaped portion of the sealing ring.

REFERENCES:
patent: 3558097 (1971-01-01), DeFrees
patent: 4089533 (1978-05-01), Knudson
patent: 4172585 (1979-10-01), Rolfe

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