DE60102101D1 - Schalldämmende und verstärkende Struktur für Akustikplatten einer Triebwerksgondel - Google Patents

Schalldämmende und verstärkende Struktur für Akustikplatten einer Triebwerksgondel

Info

Publication number
DE60102101D1
DE60102101D1 DE60102101T DE60102101T DE60102101D1 DE 60102101 D1 DE60102101 D1 DE 60102101D1 DE 60102101 T DE60102101 T DE 60102101T DE 60102101 T DE60102101 T DE 60102101T DE 60102101 D1 DE60102101 D1 DE 60102101D1
Authority
DE
Germany
Prior art keywords
sound
engine nacelle
reinforcing structure
insulating
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60102101T
Other languages
English (en)
Other versions
DE60102101T2 (de
Inventor
Massimo Battini
Sergio Pievani
Camillo Pedetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alenia Aermacchi SpA
Original Assignee
Aermacchi SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aermacchi SpA filed Critical Aermacchi SpA
Publication of DE60102101D1 publication Critical patent/DE60102101D1/de
Application granted granted Critical
Publication of DE60102101T2 publication Critical patent/DE60102101T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings, or cowlings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0206—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)
DE60102101T 2000-06-28 2001-06-21 Schalldämmende und verstärkende Struktur für Akustikplatten einer Triebwerksgondel Expired - Fee Related DE60102101T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI201451 2000-06-28
IT2000MI001451A IT1318059B1 (it) 2000-06-28 2000-06-28 Struttura fonoassorbente e di rinforzo per pannelli acustici digondole motore.

Publications (2)

Publication Number Publication Date
DE60102101D1 true DE60102101D1 (de) 2004-04-01
DE60102101T2 DE60102101T2 (de) 2004-12-23

Family

ID=11445359

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60102101T Expired - Fee Related DE60102101T2 (de) 2000-06-28 2001-06-21 Schalldämmende und verstärkende Struktur für Akustikplatten einer Triebwerksgondel

Country Status (8)

Country Link
US (1) US20020006078A1 (de)
EP (1) EP1167185B1 (de)
JP (1) JP2002068092A (de)
AT (1) ATE260206T1 (de)
CA (1) CA2350970A1 (de)
DE (1) DE60102101T2 (de)
ES (1) ES2215848T3 (de)
IT (1) IT1318059B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2818581B1 (fr) * 2000-12-21 2003-03-28 Eads Airbus Sa Procede de fabrication d'un panneau a couche d'amortissement acoustique protegee et panneau acoustique ainsi obtenu
FR2844303B1 (fr) 2002-09-10 2006-05-05 Airbus France Piece tubulaire d'attenuation acoustique pour entree d'air de reacteur d'aeronef
FR2847304B1 (fr) 2002-11-18 2005-07-01 Airbus France Nacelle de reacteur d'aeronef a attenuation acoustique
US7296656B2 (en) 2005-04-22 2007-11-20 United Technologies Corporation Acoustic mechanical retainer
US7296655B2 (en) 2005-04-22 2007-11-20 United Technologies Corporation Duct liner acoustic splice
US8108979B2 (en) * 2007-04-24 2012-02-07 United Technologies Corporation Using a stiffener to repair a part for an aircraft engine
DE102009037956B4 (de) 2009-08-18 2024-06-06 MTU Aero Engines AG Turbinenaustrittsgehäuse
US8220588B2 (en) * 2010-03-31 2012-07-17 The Boeing Company Unitized engine nacelle structure
FR2959487B1 (fr) * 2010-04-29 2012-04-13 Aircelle Sa Nacelle pour moteur d'aeronef
DE102016101168A1 (de) * 2016-01-22 2017-07-27 Rolls-Royce Deutschland Ltd & Co Kg Strömungsmaschine mit einer in einer Ausnehmung einer Wandung anordenbaren Einsetzeinrichtung
FR3068007B1 (fr) * 2017-06-23 2021-07-16 Safran Nacelles Dispositif de traitement acoustique pour nacelle de turboreacteur d'aeronef
US11047308B2 (en) * 2018-06-29 2021-06-29 The Boeing Company Acoustic panel for thrust reversers
US11448161B2 (en) * 2018-09-10 2022-09-20 Rohr, Inc. Acoustic fairing
US11753968B2 (en) 2021-08-23 2023-09-12 Rolls-Royce Deutschland Ltd & Co Kg Nacelle cowling structure for a turbomachine

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542152A (en) * 1968-04-08 1970-11-24 Gen Electric Sound suppression panel
GB1543312A (en) * 1976-07-21 1979-04-04 Rolls Royce Honeycomb linings
US4235303A (en) * 1978-11-20 1980-11-25 The Boeing Company Combination bulk absorber-honeycomb acoustic panels
US4539244A (en) * 1979-08-06 1985-09-03 Rohr Industries, Inc. Honeycomb noise attenuation structure
US4421201A (en) * 1981-09-29 1983-12-20 The Boeing Company High efficiency broadband acoustic resonator and absorption panel
US4402384A (en) * 1981-11-04 1983-09-06 Hoover Universal, Inc. Sound barrier system
US4600619A (en) * 1984-12-31 1986-07-15 The Boeing Company Continuously wound filament structure for use in noise attenuation element
WO1991001034A2 (en) * 1989-06-26 1991-01-24 Grumman Aerospace Corporation An acoustic liner
US5014815A (en) * 1989-06-26 1991-05-14 Grumman Aerospace Corporation Acoustic liner
GB9014381D0 (en) * 1990-06-28 1990-08-22 Short Brothers Plc A composite structural component
US5175401A (en) * 1991-03-18 1992-12-29 Grumman Aerospace Corporation Segmented resistance acoustic attenuating liner
EP0572725A1 (de) * 1992-06-03 1993-12-08 Fokker Aircraft B.V. Schalldämpfende Auskleidung
JPH06173772A (ja) * 1992-08-10 1994-06-21 Boeing Co:The 逆推進装置内壁およびそのサンドイッチ構造
DE4340951A1 (de) * 1992-12-04 1994-06-09 Grumman Aerospace Corp Einstückiges Triebwerkeinlaß-Schallrohr
US5975237A (en) * 1997-07-30 1999-11-02 The Boeing Company Reinforcing structure for engine nacelle acoustic panel

Also Published As

Publication number Publication date
EP1167185A2 (de) 2002-01-02
EP1167185B1 (de) 2004-02-25
ITMI20001451A0 (it) 2000-06-28
CA2350970A1 (en) 2001-12-28
EP1167185A3 (de) 2002-12-18
IT1318059B1 (it) 2003-07-21
ITMI20001451A1 (it) 2001-12-28
ATE260206T1 (de) 2004-03-15
US20020006078A1 (en) 2002-01-17
DE60102101T2 (de) 2004-12-23
ES2215848T3 (es) 2004-10-16
JP2002068092A (ja) 2002-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee