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Loop-shaped ultrasound generator and use in reaction systems

  • US 7,275,440 B2
  • Filed: 11/18/2004
  • Issued: 10/02/2007
  • Est. Priority Date: 11/18/2004
  • Status: Active Grant
First Claim
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1. Apparatus for generating ultrasonic vibration, said apparatus comprising:

  • an ultrasonic horn,a loop-shaped ultrasonic transducer of magnetostrictive material operatively joined to said ultrasonic horn to generate mechanical vibrations and to transmit vibrations so generated to said ultrasonic horn, said ultrasonic transducer comprised of a plurality of plates of magnetostrictive material alternating with layers of dielectric material and wound with drive coils arranged to produce magnetostrictive forces in said ultrasonic transducer in response to voltages applied across said drive coils, anda power source for imposing a periodically varying voltage across said drive coils.

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