Mechanical seal assembly

Details Mechanical seal assembly Mechanical seal assembly

1979-08-13

1981-05-12

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 65, 277 83, 277 85, 277 93SD, F16J 1538

Patent

active

042667860

ABSTRACT:
A mechanical seal assembly adapted to be associated with a rotatable shaft and a housing and having a rotatable seal ring and a stationary seal ring, each having seal faces which engage seal faces on a central seal ring, the latter seal ring being centered only on its outer diameter and being free to rotate relative to the other seal rings thus reducing the speed at the seal faces to the intermediate speed. An aspect of the disclosure is a double spring system wherein seal ring means associated with a shaft and a housing are urged toward one another.

REFERENCES:
patent: 2203525 (1940-06-01), Dupree
patent: 2246277 (1941-06-01), Davidson
patent: 2445018 (1948-07-01), Brady
patent: 2586739 (1952-02-01), Summers
patent: 2662480 (1953-12-01), Cliborn
patent: 2884268 (1959-04-01), Amirault et al.
patent: 2912265 (1959-11-01), Brummer
patent: 3035841 (1962-05-01), Riester
patent: 3154309 (1964-10-01), Voitik
patent: 3260530 (1966-07-01), Jelatis et al.
patent: 3988026 (1976-10-01), Kemp

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