Fluid pump

Details Fluid pump Fluid pump

1992-01-06

1993-03-16

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Liquid piston

417413, 417384, 417568, F04B 908, F04B 3502, F04F 1100

Patent

active

051939860

ABSTRACT:
A fluid pump is provided which comprises a valveless pump chamber, a tube for conveying fluid, a conduit connecting the pump chamber and tube in fluid pressure communication, and at least one valve connected to the tube and adapted to permit a flow of fluid therethrough substantially in a single direction. Preferably at least the tube is removable and replaceable from the pump chamber. Preferably also, the tube is substantially rigid and includes a second valve at an opposite side of the conduit from the first valve.

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