Mechanical seal

Details Mechanical seal Mechanical seal

1983-08-17

1984-12-25

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 3, F16J 1536

Patent

active

044899513

ABSTRACT:
A mechanical seal is disclosed wherein an intermediate floating ring is employed between a seat sleeve and a rotary ring. Each of the rotary ring, intermediate floating ring and the seat sleeve are pressed against each other so as to be relatively rotatable at their respective abutting interfaces, each of the rotary ring, intermediate ring and the seat sleeve being separated from each other with proper clearances between the opposing surfaces thereof at places which are outward of the sliding interfaces and each of the opposing surfaces is provided with an annular groove and a cascade of blades therein so that a fluid coupling is formed between the adjacent opposing surfaces.

REFERENCES:
patent: 2396319 (1946-03-01), Edwards et al.
patent: 3518020 (1970-06-01), Lake
patent: 3603601 (1971-09-01), Blomeyer
patent: 4087097 (1978-05-01), Bossens et al.
patent: 4371173 (1983-02-01), Kotzur

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