B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/26 (2006.01) F01N 13/16 (2010.01) G10K 11/168 (2006.01)
Patent
CA 2634192
The invention relates to a woven laminate which is used, preferably, as a covering for sound absorption of input and output sound absorbers in an auxiliary gas turbine (APU) of an aircraft, in particular, an aeroplane. Said woven laminate comprises at least three superimposed and at least partially soldered together woven layers. One of said layers comprises a relatively large structure in relation to the others, another layer has a fine structure and the remaining woven layer has a structure which is between the large and the fine structure. Said woven layers comprises metallic wires which are wound together or twisted in a non-woven manner.
L'invention concerne un stratifié tissé servant de préférence de revêtement d'absorption acoustique pour des amortisseurs de bruit d'entrée et de sortie dans un groupe auxiliaire de puissance (APU) d'aéronef, notamment d'avion. Ce stratifié tissé comprend au moins trois couches de tissu enduites, superposées et au moins partiellement soudées l'une à l'autre. Une de ces couches présente une structure grossière par rapport aux autres, une autre a une structure fine et la troisième a une structure intermédiaire, ces couches de tissu comportant des fils métalliques tissés ou entrelacés de type feutre.
Melicon Gmbh
Miltons Ip/p.i.
LandOfFree
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