Pump and valve apparatus

Details Pump and valve apparatus Pump and valve apparatus

F - Mech Eng,Light,Heat,Weapons

04

B

103/37

F04B 9/10 (2006.01) F04B 53/10 (2006.01)

Patent

CA 1328577

PUMP APPARATUS ABSTRACT OF THE DISCLOSURE A pump consists of a valve box in which a valve chamber inlet and outlet are each provided with a valve, and a reciprocating member in a cylinder that communicates with the valve chamber of the valve box to open the said valves. A pressure action chamber is provided between the valve box and the cylinder and a pressure force member divides the pressure action chamber into a valve chamber side and a cylinder side. On the cylinder side of the pressure action chamber thus divided is an action medium that transmits to the pressure force member changes in the volume of the pressure action chamber produced by the action of the reciprocating member.

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