Rotary pump assembly container

Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means

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Details

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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