Rotary impeller or motor with pressure balanced end plates

Details Rotary impeller or motor with pressure balanced end plates Rotary impeller or motor with pressure balanced end plates

1979-03-28

1981-09-29

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

Axially movable end wall or end wall portion

F03C 208, F04C 218, F04C 1500

Patent

active

042920132

ABSTRACT:
A rotary impeller pump or motor is provided having a case, a pair of rotary impellers in said case, a plate having a first face divided by lands into a plurality of chambers against corresponding ends of the impellers and a second face divided by sealing means into a similar plurality of chambers between the plate and case, opposed inlet and outlet ports in said case whereby said plate is balanced in pressure on opposite sides by fluid in said chambers on the first and second faces.

REFERENCES:
patent: 2714856 (1955-08-01), Kane
patent: 2969744 (1961-01-01), Hoffer
patent: 3263620 (1966-08-01), Schofield
patent: 3309997 (1967-03-01), Kita

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