ABSTRACT
The progressing cavity pump was invented as a supercharger for an airplane engine by Dr. René Moineau, following World War I. Due to the multiphase and high suction capability of the pump and its ability to convey large quantities of air, vapor, or gas in a fluid (which may also contain solids), this pump is not usually used in the same way or considered to be the same as other rotary positive displacement pumps. The progressing cavity pump was designed as a combination of a rotary pump and a piston pump. It represents an integration of the specific advantages of both types of pump constructions, such as high pumping flow rates, high pressure capabilities, minimal pulsation, valveless operation, and excellent pressure stability.
