Continuous-flow fluid pump

Details Continuous-flow fluid pump Continuous-flow fluid pump

1975-01-27

1976-06-29

Freeh, William L.

Pumps

Processes

92 82, 417554, 417435, F04B 3902, F04B 2104, F15B 2104

Patent

active

039663604

ABSTRACT:
A method and apparatus are disclosed for preventing burnout of a fluid pump. The pump includes a pump casing having a pumping member disposed for movement therein. An outer casing is disposed about the pump casing so as to form a reservoir therebetween. Additionally, the pump casing is provided with a plurality of openings in order that pumped fluid may be recirculated between the interior of the pump casing and the reservoir. The openings are so constructed and arranged as to directly lubricate the pumping member as well as to insure continuous recirculation of the pumped fluid in the event the supply of fluid to be pumped should decrease.

REFERENCES:
patent: 905046 (1908-11-01), Baines
patent: 1128089 (1915-02-01), Astrom
patent: 1284642 (1918-11-01), Francis
patent: 1621046 (1927-03-01), Winsor
patent: 1801304 (1931-04-01), Carson
patent: 1809814 (1931-06-01), Schutt
patent: 2146328 (1939-02-01), Collins
patent: 2193020 (1940-03-01), Collins
patent: 2413044 (1946-12-01), Grise
patent: 3592567 (1971-07-01), Tolbert

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