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Tubular air flow conducting arrangement has flat sound reduction device with anti-sound generating elements; reduction device is helical membrane with sound sensing elements
Tubular air flow conducting arrangement has flat sound reduction device with anti-sound generating elements; reduction device is helical membrane with sound sensing elements
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机译:管状空气导流装置具有带有消声元件的扁平消声装置。减少装置是带有声音感应元件的螺旋膜
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摘要
The arrangement has a flat sound reduction device (10) with anti-sound generating elements. The flat sound reduction device is in the form of a helical membrane that also has sound sensing elements. The pitch of the helix of the membrane can be constant or variable in time and/or space.
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