Non-planar and non-symmetrical piezoelectric crystals and reflectors

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United States of America Patent

PATENT NO 11179747
APP PUB NO 20170008029A1
SERIAL NO

15206244

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Abstract

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An acoustophoretic device is disclosed. The acoustophoretic device includes an acoustic chamber, an ultrasonic transducer, and a reflector. The ultrasonic transducer includes a piezoelectric material driven by a voltage signal to create a multi-dimensional acoustic standing wave in the acoustic chamber emanating from a non-planar face of the piezoelectric material. A method for separating a second fluid or a particulate from a host fluid is also disclosed. The method includes flowing the mixture through an acoustophoretic device. A voltage signal is sent to drive the ultrasonic transducer to create the multi-dimensional acoustic standing wave in the acoustic chamber such that the second fluid or particulate is continuously trapped in the standing wave, and then agglomerates, aggregates, clumps, or coalesces together, and subsequently rises or settles out of the host fluid due to buoyancy or gravity forces, and exits the acoustic chamber.

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Patent Owner(s)

Patent OwnerAddress
FLODESIGN SONICS INC380 MAIN STREET WILBRAHAM MA 01095

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chitale, Kedar West Hartford, US 25 458
Dutra, Brian East Longmeadow, US 26 536
Gilmanshin, Rudolf Framingham, US 34 1078
Kennedy,, III Thomas J Wilbraham, US 146 1820
Lipkens, Bart Hampden, US 124 3188
Mealey, Dane Springfield, US 25 476
Presz,, Jr Walter M Wilbraham, US 127 1812
Sokolowski, David Wilbraham, US 4 76

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