Fluid driven pumping apparatus

Details Fluid driven pumping apparatus Fluid driven pumping apparatus

E - Fixed Constructions

21

C

103/19

E21C 41/16 (2006.01) E21B 43/12 (2006.01) E21C 41/26 (2006.01) F01C 13/04 (2006.01) F04C 11/00 (2006.01)

Patent

CA 1289412

A B S T R A C T FLUID DRIVEN PUMPING APPARATUS A fluid driven pumping apparatus comprises a housing con- taining a twin rotor screw type positive displacement motor and a twin rotor screw type positive displacement pump. The screw rotors of said pump and motor are mounted on a pair of common shafts.

517400

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