Screw pumps with modular construction

Details Screw pumps with modular construction Screw pumps with modular construction

1977-09-09

1979-10-09

Freeh, William L.

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

Extending along runner axis

416177, F04D 300

Patent

active

041704363

ABSTRACT:
An archimedean screw pump is described comprising a cylindrical wall having at least one internal helicoidal vane fixed within it. The pump is built up from a plurality of like modules having helical and helicoidal portions which when assembled form the wall, the vanes, and other pump surfaces such as a ribbon core.

REFERENCES:
patent: 1132775 (1915-03-01), Hille
patent: 1142089 (1915-06-01), Grimes
patent: 1150408 (1915-08-01), Wilson
patent: 1196696 (1916-08-01), Jones
patent: 1458850 (1923-06-01), Rath
patent: 1484945 (1924-02-01), Hill
patent: 1618338 (1927-02-01), Hoffman
patent: 4019830 (1977-04-01), Reid

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