Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent
1994-02-22
1995-10-31
Jones, W. Gary
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
134 18, 134 34, 310316, 310317, B08B 312
Patent
active
054626048
ABSTRACT:
An ultrasonic vibrator has a single natural frequency for radiating ultrasonic energy into a cleaning solution to clean and deburr workpieces that are immersed in the cleaning solution. A plurality of oscillating signals having respective different frequencies which are integral multiples of the natural frequency of the ultrasonic vibrator are generated, and successively outputted for respective periods of time thereby to generate a composite signal which is composed of a time series of the oscillating signals. The composite signal is applied as a drive signal to the ultrasonic oscillator to oscillate the ultrasonic vibrator. The oscillating signals may be outputted successively for said respective periods of time or intermittently with quiescent periods inserted therebetween.
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patent: 4736130 (1988-04-01), Puskas
patent: 5076854 (1991-12-01), Honda et al.
patent: 5109174 (1992-04-01), Shewell
patent: 5137580 (1992-08-01), Honda
Encyclopedia of Electronics, pp. 540, 703-705, 1985.
Saito Tsutou
Shibano Yoshihide
Guss Paul A.
Jones W. Gary
Vincent Sean
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