Discharge and pressure relief ports for mechanisms with involute

Details Discharge and pressure relief ports for mechanisms with involute Discharge and pressure relief ports for mechanisms with involute

1978-09-08

1980-05-27

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418 55, 418189, F04C 102, F04C 1502

Patent

active

042048168

ABSTRACT:
In a pump having scroll vane impellers, rapid-opening additional discharge orts are formed by slats in the scroll vanes overlapping slats in the opposing end plates, thereby allowing fluids to be pumped without over-pressurization.

REFERENCES:
patent: 3874827 (1975-04-01), Young
patent: 4129405 (1978-12-01), McCullough

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