Rotary kinetic fluid motors or pumps – Runner or blade selectively adjustable relative to casing – Axially adjusted
Patent
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
Beers R. F.
Bian Shewen
Hornsby Harvey C.
Marsh L. A.
The United States of America as represented by the Secretary of
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