Title:
ジュール効果による霜処理システムを内蔵する航空機の消音用被覆材
Document Type and Number:
Japanese Patent JP5224607
Kind Code:
B2
Abstract:
The invention relates to acoustic lining for an aircraft, which can cover a leading edge, such as an air inlet in the nacelle of a propulsion unit, said lining comprising: (i) from the inside outwards, a reflective layer (28), at least one cellular structure (30) and an acoustically resistive structure (32) having a pre-determined proportion of open surface; and (ii) at least one frost treatment system in the form of at least one heating layer (46) comprising open zones through which acoustic waves can pass, which co-operate at least partially with the open zones in the acoustically resistive structure. The invention is characterized in that the acoustically resistive structure (32) includes at least one structural layer (36) with openings (38) and in that said at least one heating layer (46) is disposed under the structural layer (36).
Inventors:
Chenne, Gilet
Gantier, fabrics
Porte, Align
Gantier, fabrics
Porte, Align
Application Number:
JP2009536773A
Publication Date:
July 03, 2013
Filing Date:
November 13, 2007
Export Citation:
Assignee:
Airbus Operations SSA
International Classes:
F02C7/045; B64D15/12; B64D33/02; F01D25/00; F01D25/02; F02C7/047
Domestic Patent References:
| JP2000502968A | ||||
| JP3501402A | ||||
| JP2008546945A |
Foreign References:
| EP1495963A2 | ||||
| US4738416 | ||||
| US4743740 | ||||
| US6439340 | ||||
| US20020078569 |
Attorney, Agent or Firm:
▲吉▼川 俊雄