Face-type shaft seal

Details Face-type shaft seal Face-type shaft seal

1980-06-02

1982-08-03

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

277 82, F04D 2910

Patent

active

043425380

ABSTRACT:
A face-type shaft seal characterized by a protective boot surrounding the rotating seal assembly inside of the coil spring, and a viscous material filling the boot cavity to prevent liquid and abrasive materials from entering the boot when the seal is used in a centrifugal pump.

REFERENCES:
patent: 2467239 (1949-04-01), Snyder
patent: 2994547 (1961-08-01), Dolhun et al.
patent: 3306223 (1967-02-01), Liebig
patent: 3367274 (1968-02-01), Lombard
patent: 3447810 (1969-06-01), Porter
patent: 3457870 (1969-07-01), Sleeter
patent: 3567230 (1971-03-01), Gits
patent: 3632220 (1972-01-01), Lansinger et al.
patent: 3914072 (1975-10-01), Rowley et al.
patent: 4095807 (1978-06-01), Jandt et al.

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