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
Journal Title
Journal ISSN
Volume Title
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.