Self-aligning mechanical face seal

Details Self-aligning mechanical face seal Self-aligning mechanical face seal

1981-09-11

1983-09-27

Petrakes, John

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 39, 277 40, 277 41, 277 93R, 310 87, F16J 1534, F16J 1554, H02K 510

Patent

active

044064624

ABSTRACT:
A mechanical face seal for a submersible pump has features to prevent it from radial movement due to shaft misalignment. The seal includes an annular stationary face carried by the structure of the pump. A rotating seal member is carried by the shaft and urged into rotating contact with the stationary face. A guide member is mounted to the wall structure and has a portion that slidingly engages the rotating seal member to restrain the rotating seal member from radial movement. The rotating seal member is carried by the shaft independently of radial movement of the shaft.

REFERENCES:
patent: 1363378 (1920-12-01), Vuilleumier
patent: 2772373 (1956-11-01), Howe
patent: 2964339 (1960-12-01), Macks
patent: 3165323 (1965-01-01), Hamano
patent: 3179425 (1965-04-01), Andersen
patent: 3369137 (1968-02-01), Sanger
patent: 3502919 (1970-03-01), Boyd et al.
patent: 3934956 (1976-01-01), Pitner
patent: 4281839 (1981-08-01), Schoenmeyr

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