Sealing ring

Details Sealing ring Sealing ring

1980-04-24

1981-02-24

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, 277177, 277205, 415 90, 416 4, F03B 500

Patent

active

042523524

ABSTRACT:
A sealing ring for a rotary shaft is disclosed. The sealing ring has a planar frusto-conical configuration and is received in an obliquely slanted groove provided in either the rotary shaft or the bearing surface surrounding the shaft. The use of an obliquely slanted groove causes seal contact over a wide area on the rotary shaft reducing heat buildup, while the frusto-conical configuration insures that the lips of the seal are in firm continuous circumferential contact with the shaft. Oblique mounting of the sealing ring also causes axial flow of the fluid being sealed and the formation of a fluid annulus adjacent the seal and on the pressure side thereof. Selective positioning of a plurality of obliquely mounted sealing rings results in the formation of complementary annuli and the axial flow of fluid between adjacent sealing rings.

REFERENCES:
patent: 2386873 (1945-10-01), Mercier
patent: 2836450 (1958-05-01), Riesing
patent: 3259392 (1966-07-01), Peickii et al.
patent: 3540745 (1970-11-01), Flock
patent: 3650632 (1972-03-01), Shanahan
patent: 3794447 (1974-02-01), Bullough
patent: 4133542 (1979-01-01), Janian

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