Apparatus, circuitry, signals, probes and methods for cleaning and/or processing with sound
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United States of America Patent
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Feb 26, 2008
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N/A
app pub date -
Jul 8, 2005
filing date -
Jul 1, 2005
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Abstract
The invention utilizes multiple frequency ultrasound generators driving multiple frequency harmonic transducer arrays at sweeping frequencies into the megasonic range. Generator signals that increase cavitation efficiency and that have successive time periods with predominantly stable cavitation and predominantly transient cavitation further improve the performance of the cleaning, microbiological inactivation, sonochemistry or processing systems. Probes that monitor the ultrasound and feedback the information to the generator provide consistency of process.
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