Fluid pumping device for use with a fluid pump

Details Fluid pumping device for use with a fluid pump Fluid pumping device for use with a fluid pump

1986-06-02

1988-01-12

Smith, Leonard E.

Pumps

Including disengageable rotary or frangible drive connection

123 73AD, 123198C, 123575, 417375, F04B 4306

Patent

active

RE0325775

ABSTRACT:
A fluid pumping arrangement including a fluid pump including a suction port, and a fluid pumping device comprising a pump housing defining a recess, and a moveable wall which is located in the recess and which cooperates with the recess to define a variable volume pumping chamber. The pumping device also includes a fluid inlet communicable with the fluid pumping chamber and adapted to communicate with a source of fluid, a fluid outlet communicable with the fluid pumping chamber and communicating with the suction port, and an arrangement for effecting reciprocating movement of the moveable wall in response to alternate communication of the fluid pumping chamber with the fluid outlet and with the fluid inlet.

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