Variable geometry centrifugal pump

Details Variable geometry centrifugal pump Variable geometry centrifugal pump

1981-09-15

1983-11-29

Hornsby, Harvey C.

Rotary kinetic fluid motors or pumps

Runner or blade selectively adjustable relative to casing

Axially adjusted

415140, 415 26, 415 34, 192 85A, F01D 700

Patent

active

044178492

ABSTRACT:
A variable breadth centrifugal pump arrangement includes two intermeshing peller sections that are mounted to a common pump shaft so that one of the impeller sections is axially moveable relative to the other impeller section. The impeller sections are rotationally interconnected by a torque transmitting member in the form of a bellows element, which may comprise an axially resilient metal tube formed with a plurality of pleats or a plurality of radially spaced pleated metal tubes that are separated by elastomeric material. Another form of torque transmitting bellows element comprises a plurality of dish-shaped element connected together at their central and peripheral edge portions.

REFERENCES:
patent: 2090401 (1937-08-01), Mayo
patent: 2358744 (1944-09-01), Stepanoff
patent: 2534123 (1950-12-01), Hasselhorn
patent: 2713482 (1955-07-01), Stapleton
patent: 3918831 (1975-11-01), Grennan

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