Mechanical seal assembly

Details Mechanical seal assembly Mechanical seal assembly

1977-10-17

1978-07-11

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 3, 277 93SD, F16J 1534

Patent

active

040997286

ABSTRACT:
A mechanical seal assembly having a backup ring for a soft seal ring that minimizes distortion of the soft seal ring. A mechanical seal assembly wherein at least one of the seal faces is constructed and arranged to provide substantially constant seal balance as the seal ring wears down in operation.

REFERENCES:
patent: 3042414 (1962-07-01), Tracy
patent: 3227463 (1966-01-01), Wiese
patent: 3360272 (1967-12-01), Blom et al.
patent: 3459430 (1969-08-01), Ball
patent: 3628799 (1971-12-01), Wiese
patent: 3638957 (1972-02-01), Marsi
patent: 3843140 (1974-10-01), Mayer et al.
patent: 3957276 (1976-05-01), Wiese

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