Positive displacement pump system and method

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Date

2013-10-29

Authors

Richard W. Smalling
Jeffrey R. Gohean
Thomas D. Pate
Raul G. Longoria

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Publisher

United States Patent and Trademark Office

Abstract

Systems and methods including a motor or electromagnets to control the movement of one or more pistons in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. Surfaces on a piston or pumping chamber may include hydrodynamic bearing surfaces.

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