Tubular ultrasonic transducer

Details Tubular ultrasonic transducer Tubular ultrasonic transducer

B - Operations, Transporting

06

B

B06B 1/00 (2006.01) G10K 11/00 (2006.01)

Patent

CA 2330372

A method to improve the high output characteristics of an ultrasonic transducer by urging a cooling gas (13) to flow through the transducer, thereby passing a cooling member (3) at the inner radius of at least one piezoelectric element (6) surrounding a central fluid conduit (21). In a preferred embodiment sulfurhexafluoride (SF6) is used as cooling gas.

L'invention porte sur un procédé visant à améliorer les caractéristiques de rendement élevé d'un transducteur ultrasonique en propulsant un gaz (13) de refroidissement dans le transducteur, un élément de refroidissement passant donc au niveau du rayon interne d'au moins un élément (6) piézo-électrique entourant un conduit (21) central de fluide. Selon une réalisation préférée, on utilise le sulfurhexafluorure (SF¿6?) comme gaz de refroidissement.

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