Fluid driven pumping apparatus

Details Fluid driven pumping apparatus Fluid driven pumping apparatus

1987-02-09

1989-04-11

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

417406, 417408, F04B 910

Patent

active

048201359

ABSTRACT:
A fluid driven pumping apparatus comprises a housing containing 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.

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