Gimballed mechanical face seal

Details Gimballed mechanical face seal Gimballed mechanical face seal

1997-11-03

2000-09-05

Browne, Lynne H.

Seal for a joint or juncture

Seal between relatively movable parts

Centrifugal force affects change in displacement, shape, or...

277423, 384420, F16J 1516

Patent

active

061131067

ABSTRACT:
A mechanical face seal for use in a pump. The mechanical face seal including a seal head assembly, a seal seat assembly opposite and in contact with the seal head assembly. The seal head assembly including a gimbal ring engaging a first and second pair of gimbal pads. The first pair of gimbal pads is integral with an impeller insert and the second pair of gimbal pads is integral with a seal washer. The gimbal ring will continually adjust to misalignments of the pump and the seal components when hydraulic forces overcome the spring load of the seal head assembly and clamps the gimbal ring between the two pair of gimbal pads.

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patent: 4848775 (1989-07-01), Lough
patent: 4925366 (1990-05-01), Dorski

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