Mechanical seal

Details Mechanical seal Mechanical seal

1983-08-01

1985-12-17

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 93SD, F16J 1534

Patent

active

045588732

ABSTRACT:
A mechanical seal for pumps utilized in harsh environments such as coal/oil slurries or the like, where an annular head assembly is disposed in an annular recess in the pump housing, through which a rotatable shaft is journalled. A rotor, biased by a spring which is secured to the shaft, is pressed against the annular head assembly portion of the seal. Each component has a non-planar surface which is in rubbing contact with the another, the non-planar surfaces preferably being the shape of a truncated cone, the juncture of the surfaces being disposed within the space defined by the annular recess, to minimize particulate buildup, the non-planar faces permitting self-seating thereof due to misalignment, wear or contamination.

REFERENCES:
patent: 1787459 (1931-01-01), Tawresey
patent: 2744774 (1956-05-01), Wist
patent: 2747901 (1956-05-01), Clavell
patent: 2916332 (1959-12-01), Pavlecka
patent: 4281839 (1981-08-01), Schoenmeyr
patent: 4406462 (1983-09-01), Witten

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