Apparatus for ultrasonic processing of materials

Details Apparatus for ultrasonic processing of materials Apparatus for ultrasonic processing of materials

1981-06-22

1985-12-03

Williams, Howard S.

Chemistry: electrical and wave energy

Apparatus

134 1, 134184, 210748, 241 1, 366127, 75 1R, B01J 1910, B02C 1918, B08B 312, C22B 100

Patent

active

045564671

ABSTRACT:
Apparatus and processes are disclosed for treating materials by exposure thereof to sonic or ultrasonic oscillations produced by oscillating plates which form part of a processing chamber and which are each activated by a plurality of transducers adjacent thereto. The transducers are excited by an electronic circuit capable of driving each transducer at selectable frequencies, phase relationships and amplitudes. The invention also comprises processes for the treatment of materials by exposure thereof to oscillating plates excited at predetermined combinations of frequencies, phases and amplitudes.

REFERENCES:
patent: 3348814 (1967-10-01), Shaw
patent: 4071225 (1978-01-01), Holl
patent: 4207154 (1980-06-01), Lemelson

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