Shaft seal device for submersible motor

Details Shaft seal device for submersible motor Shaft seal device for submersible motor

1983-05-09

1983-12-20

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 59, 277153, F16J 1532, F16J 1540

Patent

active

044213247

ABSTRACT:
A shaft seal device for a submersible motor, comprising a seal box which is provided at an end part of a case of the motor; a pair of lip type shaft sealing members which are disposed between an inner surface of said seal box and a rotary shaft of the motor and whose lips are arranged so as to inwardly face each other with a spacing therebetween; a lubricant which is stored in an interspace defined between said shaft sealing member; an auxiliary refuse remover which adjoins an outer side of one of said shaft sealing members and which is snugly inserted between the inner surface of an end part of said seal box and the rotary shaft of the motor, said auxiliary refuse remover being composed of a fitting and a soft material member which is received in said fitting and which is snugly positioned on the rotary shaft of the motor; and another refuse remover which is disposed so as to adjoin an outer side of said auxiliary refuse remover.

REFERENCES:
patent: 2177441 (1939-10-01), Pesarese
patent: 3099454 (1963-07-01), Walinski
patent: 3599993 (1971-08-01), Eriksson
patent: 4000930 (1977-01-01), Poncet et al.
patent: 4165085 (1979-08-01), Persson

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