Tandem mounted face seals

Details Tandem mounted face seals Tandem mounted face seals

1989-07-14

1990-11-27

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 58, 277 68, 277 95, F16J 1532

Patent

active

049730630

ABSTRACT:
Tandem mounted face seals for use in centrifugal pumps with dynamic seals. One face seal has a flexible lip and the other face seal has a non-flexible lip to ensure sealing at high static or dynamic pressures.

REFERENCES:
patent: 3015505 (1962-01-01), Smith
patent: 3504917 (1970-04-01), Malmstrom
patent: 3693985 (1972-09-01), Dillner
patent: 3703296 (1972-11-01), Malmstrom
patent: 4094512 (1978-06-01), Back
patent: 4186929 (1980-02-01), Burton et al.
patent: 4311315 (1982-01-01), Kronenberg
patent: 4437673 (1984-03-01), Miyamoto
patent: 4580789 (1986-04-01), Jett
patent: 4832511 (1989-05-01), Nisley et al.

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