Rotary pump assembly container

Details Rotary pump assembly container Rotary pump assembly container

1983-05-23

1985-04-09

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415170A, F04D 2910

Patent

active

045098972

ABSTRACT:
A pump assembly wherein fluid under pressure in a pump housing is prevented from escaping around the drive shaft of the pump by a seal which is held in place by the combination of a spring and fluid pressure applied through a diaphragm or piston from the interior of the pump housing.

REFERENCES:
patent: 1721737 (1929-07-01), Joyce
patent: 1835877 (1931-12-01), Joyce
patent: 3954348 (1976-05-01), Renaud
patent: 4289445 (1981-09-01), Sims
patent: 4384820 (1983-05-01), Sims

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