Arrangement for the sealing-off of spaces acted upon by media of

Details Arrangement for the sealing-off of spaces acted upon by media of Arrangement for the sealing-off of spaces acted upon by media of

1989-08-25

1991-03-12

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277173, 277181, 415231, F16J 1516, F16J 1544

Patent

active

049987399

ABSTRACT:
An arrangement is disclosed for the sealing-off of spaces acted upon by media of a different pressure, for turbomachines, in which a sealing ring is arranged in a cylindrical housing while forming a radial sealing gap as a primary seal, and having a secondary leakage flow passage between a wall section of the housing and the sealing ring which communicates with the space having a lower pressure, the sealing ring being centered by means of spring elements which are anchored at the housing on one side and are arranged essentially in parallel with respect to the machine axis.

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patent: 3001806 (1961-09-01), Macks
patent: 3460842 (1969-08-01), Pointer et al.
patent: 3511510 (1970-05-01), Lindeboom
patent: 3982765 (1976-09-01), Fickelscher et al.
patent: 3997175 (1976-12-01), Geary
patent: 4173350 (1979-11-01), Sieghartner
patent: 4291887 (1981-09-01), Etsion et al.
patent: 4411437 (1983-10-01), Conti
patent: 4552368 (1985-11-01), Wallace
patent: 4723781 (1988-02-01), Turanskyi et al.
patent: 4848932 (1989-07-01), Puetz

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