Positive displacement pump system and method with rotating valve
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Date
2013-02-05
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 valve piston in a pumping chamber. The pumping chamber may include a pump inlet and a pump outlet in fluid communication with the pumping chamber. The valve piston may be configured to rotate between a first position within the pumping chamber and a second position outside of the pumping chamber.