Mechanical face seal for a rotating shaft of a fluid pump

Details Mechanical face seal for a rotating shaft of a fluid pump Mechanical face seal for a rotating shaft of a fluid pump

1986-07-21

1988-10-11

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 87, 277 961, 277 962, F16J 1536

Patent

active

047765984

ABSTRACT:
A mechanical seal for a fluid pump wherein a driven ring is mounted in the pump casing and a seat ring is mounted on the pump vane. The two rings have opposed, radial faces for effecting the mechanical seal. The face on the seat ring is of a smaller width in the radial direction than the face of the driven ring so that any axial misalignment of the driven ring relative to the vane shaft does not effect the area of engagement on the two faces that form the seal, that is, the annular engagement area on the driven ring remains constant and coextensive with the engaging face of the seat ring.

REFERENCES:
patent: 2420718 (1947-05-01), Odelius
patent: 2556133 (1951-06-01), Bright
patent: 2601996 (1952-07-01), Sefren
patent: 2647773 (1953-08-01), Berner
patent: 2729475 (1956-01-01), Chambers et al.
patent: 2994547 (1961-08-01), Dolhun et al.
patent: 3001807 (1961-09-01), Amirault et al.
patent: 3782735 (1974-01-01), Novosad
patent: 3822066 (1974-07-01), Keys
patent: 4415167 (1983-11-01), Gits
patent: 4451049 (1984-05-01), Charhut

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