Slide ring seal with circumferentially variably-beveled counter-

Details Slide ring seal with circumferentially variably-beveled counter- Slide ring seal with circumferentially variably-beveled counter-

1987-09-17

1989-06-27

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, 277 81S, 277 82, 277 85, 277 93SD, 277 961, 277195, 277198, 277215, F16J 1534, F16J 1538

Patent

active

048422860

ABSTRACT:
A slide ring seal for sealing a machine part which is rotatable with respect to a wall. The seal comprises seating rings provided with slide rings, the seating rings being so arranged with respect to each other that the sealing slide faces of the slide rings are pressed against each other and rotate with respect to each other. Each slide ring is fastened to its seating ring by means of a shrink fit in such a way that the slide ring is exposed to a radially-acting press force. In order to provide the slide face with a wave shape in the peripheral direction, an axial counter-surface of the seating ring, which in the shrink fit makes contact with an axial peripheral surface of the slide ring, is an axially discontinuous surface.

REFERENCES:
patent: 2723868 (1955-11-01), Hartranft
patent: 3770181 (1973-11-01), Stahl
patent: 4175753 (1979-11-01), Wentworth, Jr.
patent: 4261581 (1981-04-01), Hershey
patent: 4424975 (1984-01-01), Heilala
patent: 4613142 (1986-09-01), Heilala
patent: 4659092 (1987-04-01), Wallace
patent: 4688806 (1987-08-01), Heilala
patent: 4700953 (1987-10-01), Kuusela

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