Ultrasonic horn with sidelobe suppressing centerpiece

Communications – electrical: acoustic wave systems and devices – Signal transducers

Patent

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Details

367905, 181142, 181185, 116137R, H04R 102, G10K 1100

Patent

active

047137991

ABSTRACT:
An ultrasonic horn assembly includes a horn with a bore tapering from a throat out to a mouth. An ultrasonic transducer is mounted in the throat of the horn. A beam narrowing insert includes a headpiece which tapers smoothly from a larger diameter base to a smaller diameter top. A stem projects from the base so that the base and stem define an annular shoulder which faces the transducer. A blind bore in the stem terminates at a flat bottom surface which faces the transducer. A ring receives the transducer and webs project inwardly therefrom to support the headpiece in spaced relationship to the transducer.

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Blatek Industries, Inc., 8020 Horn and Cone Unit.

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