Device for absorbing sound energy originating inside the...

Details Device for absorbing sound energy originating inside the... Device for absorbing sound energy originating inside the...

B - Operations, Transporting

63

G

B63G 8/34 (2006.01) B63B 3/00 (2006.01) B63G 8/04 (2006.01) B63G 8/36 (2006.01) B63G 13/02 (2006.01) G10K 11/16 (2006.01)

Patent

CA 2066241

2066241 9200874 PCTABS00010 The device comprises a layer of sound absorbing material having passages (4) passing therethrough to allow air circulation, and elements for fixing said layer at a predetermined distance (E) away from the inside wall of a hull so that it acts as an acoustic baffle therefor. The baffle allows free air convection through the passages in the layer and through the space formed between the hull and the layer so as to allow the air to be cooled by an exchange of heat with the water which is in contact with the outside of said hull. The device can be used to improve the silence of military submarines.

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