Electronic configuration and control for acoustic standing wave generation
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United States of America Patent
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Apr 24, 2018
Issued Date -
N/A
app pub date -
Apr 24, 2017
filing date -
Mar 15, 2012
priority date (Note) -
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Abstract
Aspects of the disclosure are directed to an apparatus for separating a second fluid or a particulate from a host fluid. That apparatus comprises a flow chamber with at least one inlet and at least one outlet. A drive circuit configured to provide a drive signal to a filter circuit configured to receive the drive signal and provide a translated drive signal. An ultrasonic transducer is cooperatively arranged with the flow chamber, and transducer includes at least one piezoelectric element configured to be driven by the current drive signal to create an acoustic standing wave in the flow chamber. At least one reflector opposing the ultrasonic transducer to reflect acoustic energy.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B06B:GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS I....
- C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
- H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....
- H03H:IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONA....
- C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
- B01D:SEPARATION
- A61M:DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE B....
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