Technique for in-place cleaning of a sealing structure

Details Technique for in-place cleaning of a sealing structure Technique for in-place cleaning of a sealing structure

1991-02-19

1992-12-15

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 24, 277 70, 277 74, 277 75, 277 93R, 277 93SD, 134114, 134201, F16J 1534, B08B 302

Patent

active

051710234

ABSTRACT:
A technique for providing in-place cleaning of a sealing structure for a rotating shaft in a materials processing apparatus wherein, during a cleaning operation, cleaning liquid is supplied in the form of a plurality of jets thereof from a source thereof to a rotating member having a sealing element, such as an O-ring, positioned about the rotating shaft. The cleaning fluid produced a scrubbing action on critical surfaces of the sealing structure to clean them. A plurality of jets of a drying fluid, such as pressurized air, is then supplied from a source thereof to the critical surfaces to remove excess cleaning liquid and to thoroughly dry such surfaces. The cleaning and drying operation can be activated to take place automatically and in-place using a pre-programmed processor without having to disassemble the sealing structure.

REFERENCES:
patent: 3589738 (1971-06-01), Tracy
patent: 4136886 (1979-01-01), Sjoholm et al.
patent: 4721313 (1988-01-01), Pennink
patent: 4819948 (1989-04-01), Merrifield
patent: 4844124 (1989-07-01), Stich et al.
patent: 4961678 (1990-10-01), Janocko
patent: 5072949 (1991-12-01), Lopperi
patent: 5076589 (1991-12-01), Marsi

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