Capillary primed pump

Details Capillary primed pump Capillary primed pump

1987-12-16

1989-05-16

Freeh, William L.

Pumps

Expansible chamber type

Moving cylinder

417 53, 417526, 417538, F04B 1916, F04B 2900, F04B 2102

Patent

active

048305880

ABSTRACT:
A positive displacement pump useful under zero-gravity conditions is primed by the capillary wicking action of a fluid accumulator and a set of capillary plates located in a pair of pumping chambers. The fluid accumulator and capillary plates are closely spaced plates designed to draw water into the pumping chamber.

REFERENCES:
patent: 1189165 (1916-06-01), Ness
patent: 1378543 (1921-05-01), Johnson
patent: 2407790 (1946-09-01), Le Tourneau
patent: 4547130 (1985-10-01), Eastman

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