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Multiple moving wall dry coal extrusion pump

United States Patent

May 14, 2013
View the Complete Patent at the US Patent & Trademark Office
A pump for transporting particulate material includes a passageway defined on each side between an inlet and an outlet by a moving wall.
Fitzsimmons; Mark Andrew (Reseda, CA)
Pratt & Whitney Rocketdyne, Inc. (Canoga Park, CA)
12/ 758,859
April 13, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This disclosure was made with Government support under 2007LDA798PWR2007-42 awarded by The Department of Energy. The Government may have certain rights in this disclosure.