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Active hopper for promoting flow of bulk granular or powdered solids

United States Patent

April 2, 2013
View the Complete Patent at the US Patent & Trademark Office
An apparatus that promotes the flow of materials has a body having an inner shape for holding the materials, a wall having a shape that approximates a portion of the inner shape of the body, and a vibrator attached to the wall. The wall may be disposed vertically within the body close to the body's inner shape. The vibrator transfers vibrations to the wall to agitate the material and encourage material flow.
Saunders; Timothy (Canoga Park, CA), Brady; John D. (Canoga Park, CA)
Pratt & Whitney Rocketdyne, Inc. (Canoga Park, CA)
12/ 618,040
November 13, 2009
STATEMENT OF GOVERNMENT RIGHTS The subject matter described herein was conceived in the performance of work under U.S. Department of Energy Contract No. DE-FC26-04NT42237. The U.S. Government may have certain rights related to this document.