Sealing device for rotor shaft of fluid machine

Details Sealing device for rotor shaft of fluid machine Sealing device for rotor shaft of fluid machine

1978-10-04

1979-12-25

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277157, 277193, F16J 908, F16J 1524

Patent

active

041802730

ABSTRACT:
A sealing device for rotor shaft of fluid machine. The sealing device has a solid annular packing extending circumferentially around the rotor shaft and including a plurality of circumferentially spaced segments. Each segment has a radially inner surface which functions as the sliding surface which is in sliding contact with the surface of the rotor shaft. The sliding surface is inclined from its edge adjacent to the low pressure side of the fluid machine radially outwardly, so that the sliding surface makes the initial sliding contact with the rotor shaft surface only at its edge adjacent to the low pressure side.

REFERENCES:
patent: 1309075 (1919-07-01), Morris
patent: 1327801 (1920-01-01), Blache
patent: 1426694 (1922-08-01), Weidenfeller
patent: 3305241 (1967-02-01), Hart
patent: 3844572 (1974-10-01), Parker
patent: 3893675 (1975-07-01), Geffroy
patent: 4005953 (1977-02-01), Ruf

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