Diaphragm pump having multiple rigid layers with inlet and outle

Details Diaphragm pump having multiple rigid layers with inlet and outle Diaphragm pump having multiple rigid layers with inlet and outle

1997-02-13

1999-05-11

Thorpe, Timothy

Pumps

Motor driven

Fluid motor

417566, 417DIG1, F04B43/073

Patent

active

059020962

ABSTRACT:
An integral valve diaphragm pump has a first rigid layer, a second rigid layer and a flexible membrane therebetween. Concave surfaces in the two rigid layers form a pump. The pump includes an actuating chamber which is alternately connected to a source of pressure and a source of vacuum. A pump chamber is connected to a fluid source and a fluid receiver through a filling check valve and a dispensing check valve, respectively. Duckbill and spring loaded ball check valves are disclosed.

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