Pump comprising a partially hollow piston, and its...

Details Pump comprising a partially hollow piston, and its... Pump comprising a partially hollow piston, and its...

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 15/00 (2006.01) F04B 13/00 (2006.01) F04B 53/12 (2006.01)

Patent

CA 2100837

55-155/STL PATENT APPLICATION PUMP COMPRISING A PARTIALLY HOLLOW PISTON, AND ITS APPLICATIONS ESPECIALLY IN THE PETROLEUM INDUSTRY Invention : Paul BUISINE ABSTRACT OF THE INVENTION The pump according to the present invention consists of a piston (16) of which the end (17) is hollowed out and forms a chamber (19) having an opening (18) and an inlet valve (15). The alternative displacement or the piston draws and pushs the fluid back through the chamber (19). The system is totally "in line" and is suitable even for very abrasive fluids such as cement slurry. Fig. 2

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