Non-contacting sealing arrangement for a rotating part

Details Non-contacting sealing arrangement for a rotating part Non-contacting sealing arrangement for a rotating part

1984-03-22

1985-12-24

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 14R, 277 25, 277 67, 277135, 277204, F16J 1542

Patent

active

045601720

ABSTRACT:
A non-contacting seal between a rotating part to be sealed and a stationary part, in which the rotating part includes a coaxial disk which is surrounded by a stationary collecting channel axially closely adjoining the disk but without contacting it. The collecting channel forms a spirally shaped hollow space in the circumferential direction of the rotating part, with a sealing medium return line connected to the hollow space within the area of enlargement of the hollow space. A seal, however, may also be installed between the rotating part and the fixed part.

REFERENCES:
patent: 1487849 (1924-03-01), Grauert
patent: 1895497 (1933-01-01), Stiefel
patent: 1949428 (1934-03-01), McGee
patent: 2488200 (1949-11-01), Juhlin et al.
patent: 3068800 (1962-12-01), Mueller
patent: 3068801 (1962-12-01), Murray

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