FR2101447A5 - - Google Patents

Info

Publication number
FR2101447A5
FR2101447A5 FR7118847A FR7118847A FR2101447A5 FR 2101447 A5 FR2101447 A5 FR 2101447A5 FR 7118847 A FR7118847 A FR 7118847A FR 7118847 A FR7118847 A FR 7118847A FR 2101447 A5 FR2101447 A5 FR 2101447A5
Authority
FR
France
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
Application number
FR7118847A
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.)
R UNI MINISTRE DEFENSE
Original Assignee
R UNI MINISTRE DEFENSE
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 R UNI MINISTRE DEFENSE filed Critical R UNI MINISTRE DEFENSE
Application granted granted Critical
Publication of FR2101447A5 publication Critical patent/FR2101447A5/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Exhaust Silencers (AREA)
FR7118847A 1970-02-24 1971-05-25 Expired FR2101447A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8754/70A GB1274343A (en) 1970-02-24 1970-02-24 Improvements in or relating to acoustic linings

Publications (1)

Publication Number Publication Date
FR2101447A5 true FR2101447A5 (fr) 1972-03-31

Family

ID=9858637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7118847A Expired FR2101447A5 (fr) 1970-02-24 1971-05-25

Country Status (4)

Country Link
US (1) US3640357A (fr)
DE (1) DE2122006B2 (fr)
FR (1) FR2101447A5 (fr)
GB (1) GB1274343A (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734234A (en) * 1971-11-08 1973-05-22 Lockheed Aircraft Corp Sound absorption structure
US3821999A (en) * 1972-09-05 1974-07-02 Mc Donnell Douglas Corp Acoustic liner
US3910374A (en) * 1974-03-18 1975-10-07 Rohr Industries Inc Low frequency structural acoustic attenuator
GB1533551A (en) * 1974-11-08 1978-11-29 Gen Electric Gas turbofan engines
GB1499882A (en) * 1975-02-14 1978-02-01 Rolls Royce Sound attenuating structure
US4135603A (en) * 1976-08-19 1979-01-23 United Technologies Corporation Sound suppressor liners
US4189027A (en) * 1976-08-19 1980-02-19 United Technologies Corporation Sound suppressor liners
DK142710B (da) * 1977-11-10 1980-12-29 Elektronikcentralen Lydabsorberende struktur.
US4155211A (en) * 1977-12-23 1979-05-22 Haworth Mfg., Inc. Sound absorbing panel
GB2038410B (en) * 1978-12-27 1982-11-17 Rolls Royce Acoustic lining utilising resonance
US4293053A (en) * 1979-12-18 1981-10-06 United Technologies Corporation Sound absorbing structure
US4384634A (en) * 1979-12-18 1983-05-24 United Technologies Corporation Sound absorbing structure
US4850093A (en) * 1987-02-09 1989-07-25 Grumman Aerospace Corporation Method of making an acoustic attenuating liner
US5025888A (en) * 1989-06-26 1991-06-25 Grumman Aerospace Corporation Acoustic liner
US4969535A (en) * 1989-06-26 1990-11-13 Grumman Aerospace Corporation Acoustic liner
JP3043402B2 (ja) * 1989-06-26 2000-05-22 グラマン エアロスペース コーポレーション 遮音板
US5014815A (en) * 1989-06-26 1991-05-14 Grumman Aerospace Corporation Acoustic liner
US5041323A (en) * 1989-10-26 1991-08-20 Rohr Industries, Inc. Honeycomb noise attenuation structure
DE69526615T2 (de) * 1994-09-14 2002-11-28 Mitsubishi Heavy Ind Ltd Wandaufbau für die Austrittsdüse eines Überschall-Strahltriebwerks
FR2767411B1 (fr) * 1997-08-13 2001-11-16 Aerospatiale Couche acoustiquement resistive, procede de fabrication de cette couche et panneau acoustiquement absorbant muni d'au moins une telle couche
US6206136B1 (en) * 1999-07-23 2001-03-27 General Electric Company Acoustic liner and method of making an acoustic liner
US6332511B1 (en) 1999-12-07 2001-12-25 Burgess-Manning, Inc. Silencer assembly having single strand fiberglass acoustic pack material
US6550440B1 (en) 2002-01-17 2003-04-22 Ford Global Technologies, Llc Acoustic suppression arrangement for a component undergoing induced vibration
GB0206136D0 (en) 2002-03-15 2002-04-24 Rolls Royce Plc Improvements in or relating to cellular materials
GB0305025D0 (en) * 2003-03-05 2003-04-09 Alstom Switzerland Ltd Method and device for efficient usage of cooling air for acoustic damping of combustion chamber pulsations
EP1601913A1 (fr) * 2003-03-07 2005-12-07 Alstom Technology Ltd Bruleur de premelange
DE102006010601A1 (de) * 2005-03-10 2006-10-12 Mann + Hummel Gmbh Motorbauteil mit einer Wabenstruktur
US20070193175A1 (en) * 2006-02-21 2007-08-23 Ta-Chung Hao Structure of decoration acoustic board
JP4879320B2 (ja) * 2006-05-24 2012-02-22 エアバス オペレーションズ ゲーエムベーハー 輸送の手段の音波吸収内側のクラッディングのためのサンドイッチ部材、特に、航空機の音波吸収内側のクラッディングのためのサンドイッチ部材
US20110100747A1 (en) * 2006-05-24 2011-05-05 Airbus Operations Gmbh Sandwich element for the sound-absorbing inner cladding of means of transport, especially for the sound-absorbing inner cladding of aircraft
WO2011034469A1 (fr) * 2009-09-17 2011-03-24 Volvo Aero Corporation Panneau d'atténuation du bruit et élément de turbine à gaz comportant un panneau d'atténuation du bruit
US20160017810A1 (en) * 2014-07-21 2016-01-21 United Technologies Corporation Acoustic liner heat exchanger
WO2016133501A1 (fr) * 2015-02-18 2016-08-25 Middle River Aircraft Systems Revêtement acoustique et procédé de mise en forme d'un orifice d'entrée d'un revêtement acoustique
US9704467B1 (en) * 2016-04-15 2017-07-11 Rohr, Inc. Acoustic panel with corrugated baffles and septums
US9978354B2 (en) * 2016-04-15 2018-05-22 Rohr, Inc. Acoustic panel with vertical stiffeners
US10906659B2 (en) 2018-04-03 2021-02-02 Rohr, Inc. Structured panel with structural reinforcement(s)
US11398214B2 (en) 2018-12-14 2022-07-26 Rohr, Inc. Forming a structured panel with one or more structural reinforcements
US11242822B2 (en) 2018-12-14 2022-02-08 Rohr, Inc. Structured panel with multi-panel structure(s)
US20230175458A1 (en) * 2021-12-06 2023-06-08 Rohr, Inc. Multi-core acoustic panel for an aircraft propulsion system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166149A (en) * 1965-01-19 Damped-resonator acoustical panels
US2870857A (en) * 1956-03-06 1959-01-27 Celotex Corp Translucent acoustical correction ceiling construction
US3113634A (en) * 1958-07-11 1963-12-10 Bolt Beranek & Newman Sound absorbing panel for lining a duct
US3502171A (en) * 1968-05-31 1970-03-24 Boeing Co Composite laminar structure for noise attenuation of fast moving gas streams,and method of making the same
US3507355A (en) * 1969-05-22 1970-04-21 Rohr Corp Multi-layer face material for sound absorptive duct lining material

Also Published As

Publication number Publication date
US3640357A (en) 1972-02-08
DE2122006A1 (de) 1972-11-23
GB1274343A (en) 1972-05-17
DE2122006B2 (de) 1978-03-02

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse