Mechanical face seal including two diaphragms surrounding a glan

Details Mechanical face seal including two diaphragms surrounding a glan Mechanical face seal including two diaphragms surrounding a glan

1990-04-25

1991-04-23

Will, Thomas B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 90, 277 93R, 277 93SD, 277 27, F16J 1536, F16J 1554

Patent

active

050094378

ABSTRACT:
A seal for providing a fluid tight seal between a pair of relatively rotatable components has a first seal face member mounted in fixed axial and rotational relationship and sealed with respect to one component and a second seal face member sealed with respect to said other component, the second seal face member being sealed with respect to its associated component by a radially extending diaphragm, the diaphragm being disposed on the high pressure side of the seal face members, so that when subjected to fluid under pressure the force acting on the diaphragm will urge the second seal face member into engagement with the first seal face member.

REFERENCES:
patent: 1505321 (1924-08-01), Dennedy
patent: 1598564 (1926-08-01), Earnshaw
patent: 2389528 (1945-11-01), McConaghy
patent: 2747901 (1956-05-01), Clavell
patent: 3160418 (1964-12-01), Barske

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