Double diaphragm operated reversing valve pump

Details Double diaphragm operated reversing valve pump Double diaphragm operated reversing valve pump

F - Mech Eng,Light,Heat,Weapons

04

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103/49

F04B 43/06 (2006.01) B67D 1/10 (2006.01) F01L 25/06 (2006.01) F04B 1/02 (2006.01) F04B 9/115 (2006.01)

Patent

CA 1163860

ABSTRACT A reciprocating fluid pump has a dual piston element and dual diaphragms in fluid communication therewith. Full movement of the dual piston element in either direction of movement causes movement of a pilot valve which simultaneously vents a first working chamber located in the direction of movement of the dual piston element and occasions reciprocating movement of the dual diaphragms, thereby directing a pump power medium to a second working chamber to cause movement of the dual piston element in the opposite direction.

385415

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