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Acoustic Concentration of Particles in Fluid Flow

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
An apparatus for acoustic concentration of particles in a fluid flow includes a substantially acoustically transparent membrane and a vibration generator that define a fluid flow path therebetween. The fluid flow path is in fluid communication with a fluid source and a fluid outlet and the vibration generator is disposed adjacent the fluid flow path and is capable of producing an acoustic field in the fluid flow path. The acoustic field produces at least one pressure minima in the fluid flow path at a predetermined location within the fluid flow path and forces predetermined particles in the fluid flow path to the at least one pressure minima.
Ward, Michael D. (Los Alamos, NM), Kaduchak, Gregory (Los Alamos, NM)
12/ 903,042
October 12, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under Contract Number DE-AC51-06NA25396 awarded by the United States Department of Energy. The Government has certain rights in the invention.