Integral valve diaphragm pump and method

Details Integral valve diaphragm pump and method Integral valve diaphragm pump and method

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 43/073 (2006.01) F04B 43/06 (2006.01) F04B 53/10 (2006.01) F04B 53/12 (2006.01) G01N 1/00 (2006.01)

Patent

CA 2159434

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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