Hydraulic seal having U-shaped gasket and a plurality of plastic

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion

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Details

277DIG6, 277180, 277188A, F01C 1908, F04C 1500

Patent

active

046361553

ABSTRACT:
A hydraulic fluid seal, a pressure plate and gear pump are provided in which two spaced adjacent surfaces are sealed, one surface having a groove opening toward the other surface, a sealing member adapted to fit in said groove and a plastically deformable interference member in the sealing member having a section such that it will plastically deform before the seal surface of the sealing member.

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