ASSEMBLY FOR REDUCING THE AMOUNT OF SOUND EMITTED FROM FLUID-COOLED TRANSFORMERS OR THROTTLES

An arrangement for reducing the radiation of noise from liquid-cooled transformers or chokes includes a tank having stiffeners arranged outside on the side walls of the tank, where a region situated between each stiffener is covered by a sandwich panel that is fastened to each stiffener, where each...

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Bibliographische Detailangaben
Hauptverfasser:	HOLZER, Anton, PRETTERHOFER, Günter, PREGARTNER, Helmut, SCHRAMMEL, Alfons-Karl
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BASIC ELECTRIC ELEMENTS ELECTRICITY INDUCTANCES MAGNETS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SOUND-PRODUCING DEVICES TRANSFORMERS
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Beschreibung
Zusammenfassung:	An arrangement for reducing the radiation of noise from liquid-cooled transformers or chokes includes a tank having stiffeners arranged outside on the side walls of the tank, where a region situated between each stiffener is covered by a sandwich panel that is fastened to each stiffener, where each sandwich panel has a metallic wall that hermetically closes off a cavity that is filled with a composition composed of a polymer material and a filler material, where the composition has a specific weight of >2 grams per cubic centimeter.