Cleaning method for using generation of cavitation
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United States of America Patent
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-
Aug 11, 1992
Grant Date -
N/A
app pub date -
Nov 13, 1989
filing date -
Feb 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ultrasonic waves of a low frequency and a high frequency are alternately emitted from one vibrator to liquid in a tank, cavitation generated due to the ultrasonic wave of the low frequency is eliminated and changed to small cavitation for forming the next large cavitation due to the ultrasonic wave of the high frequency and next the ultrasonic wave of the low frequency is emitted to the liquid in a tank and large cavitation is formed, whereby the cleaning effect is improved.
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