Sealing arrangements

Details Sealing arrangements Sealing arrangements

1992-04-06

1993-05-11

Schwadron, Martin P.

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

277152, F16K 4100

Patent

active

052092569

ABSTRACT:
A sealing arrangement in which a sealing member 25 seals against an annular sealing surface 20. The sealing member 25 has an annular sealing surface 29 the axis of which is offset relative to the rotational axis of the surface 20. Thus when the annular surface 20 rotates the area swept out by the sealing member surface is larger than the area of its sealing surface. The arrangement has application to seals for gate valve stems.

REFERENCES:
patent: 4854600 (1989-08-01), Halling et al.
patent: 5050843 (1991-09-01), Brooks
patent: 5078412 (1992-01-01), Baumgarth

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