[go: up one dir, main page]

FR2938501B1 - Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique - Google Patents

Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique

Info

Publication number
FR2938501B1
FR2938501B1 FR0806365A FR0806365A FR2938501B1 FR 2938501 B1 FR2938501 B1 FR 2938501B1 FR 0806365 A FR0806365 A FR 0806365A FR 0806365 A FR0806365 A FR 0806365A FR 2938501 B1 FR2938501 B1 FR 2938501B1
Authority
FR
France
Prior art keywords
orifice
reducing
gas flow
noise generated
energy gas
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
FR0806365A
Other languages
English (en)
Other versions
FR2938501A1 (fr
Inventor
Alois Sengissen
Bastien Caruelle
Jean Francois Piet
Decroux Stephane Perrin
Nicolas Molin
Pascal Souchotte
Emmanuel Jondeau
Jean Michel Perrin
Constantin Sandu
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.)
Airbus Operations SAS
Original Assignee
Airbus Operations SAS
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 Airbus Operations SAS filed Critical Airbus Operations SAS
Priority to FR0806365A priority Critical patent/FR2938501B1/fr
Priority to US12/617,490 priority patent/US8020663B2/en
Publication of FR2938501A1 publication Critical patent/FR2938501A1/fr
Application granted granted Critical
Publication of FR2938501B1 publication Critical patent/FR2938501B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/14—Boundary layer controls achieving noise reductions
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)

Abstract

Selon l'invention, on entoure, avec ampleur, au moins une partie du bord (4A) de l'orifice (4) avec une structure à mailles (6), de façon à ménager un espace (E) entre cette dernière et ladite partie de bord (4A).
FR0806365A 2008-11-14 2008-11-14 Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique Expired - Fee Related FR2938501B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0806365A FR2938501B1 (fr) 2008-11-14 2008-11-14 Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique
US12/617,490 US8020663B2 (en) 2008-11-14 2009-11-12 Method for reducing the noise generated by a hole under a high energy gas flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0806365A FR2938501B1 (fr) 2008-11-14 2008-11-14 Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique

Publications (2)

Publication Number Publication Date
FR2938501A1 FR2938501A1 (fr) 2010-05-21
FR2938501B1 true FR2938501B1 (fr) 2011-01-21

Family

ID=40798909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0806365A Expired - Fee Related FR2938501B1 (fr) 2008-11-14 2008-11-14 Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique

Country Status (2)

Country Link
US (1) US8020663B2 (fr)
FR (1) FR2938501B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201113034D0 (en) * 2011-07-28 2011-09-14 Airbus Uk Ltd An conditioning system exhaust silencer for an aircraft
WO2014051548A1 (fr) * 2012-09-25 2014-04-03 Hewlett-Packard Development Company, L.P. Réduction de bruit d'imprimantes
FR3000722B1 (fr) * 2013-01-07 2015-03-13 Dassault Aviat Dispositif de reduction du bruit emis par un conduit et conduit d'aeronef equipe d'un tel dispositif
US9650127B2 (en) 2013-03-13 2017-05-16 The United States Of America As Represented By The Administration Of The National Aeronautics And Space Administration Stretchable mesh for cavity noise reduction
KR102522668B1 (ko) * 2015-09-02 2023-04-18 쿠퍼스탠다드오토모티브앤인더스트리얼 주식회사 차량용 소음기
FR3054714B1 (fr) * 2016-08-01 2018-08-31 Airbus Operations Sas Procede de masquage d'un signal sonore genere par un element d'une peau d'un aeronef
CA3039493C (fr) 2016-10-05 2024-10-29 Bombardier Inc. Conduit d'air a reduction de bruit
US10520187B2 (en) * 2017-07-06 2019-12-31 Praxair Technology, Inc. Burner with baffle

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225990A (en) * 1937-12-22 1940-12-24 Guy J Henry Dehydrator
US2508224A (en) * 1946-08-09 1950-05-16 Detroit Lubricator Co Flow restricting device
US2966838A (en) * 1958-07-17 1961-01-03 Ohio Foundry & Mfg Company Venting unit
DE1205952B (de) * 1960-07-22 1965-12-02 Linde Eismasch Ag Abscheider zur Abscheidung von Fluessigkeiten, insbesondere von OEl aus Gasen oder Daempfen
US3495950A (en) * 1964-05-20 1970-02-17 Texaco Inc Catalytic muffler construction for exhaust emissions control in an internal combustion engine system
US3449891A (en) * 1966-11-15 1969-06-17 United Aircraft Corp Engine inlet air particle separator
US3617416A (en) * 1967-06-23 1971-11-02 Aerojet General Co Honeycomb structures
US3884037A (en) * 1969-02-17 1975-05-20 Texaco Inc Internal combustion engine system for exhaust emissions control utilizing an acoustic catalytic muffler
US3642031A (en) * 1970-01-22 1972-02-15 Haws Drinking Faucet Co Flow control device
US3724502A (en) * 1970-11-27 1973-04-03 Sanders Associates Inc Gas pressure reducing restrictors
US3960239A (en) * 1973-08-15 1976-06-01 Barry Wright Corporation Noise-reducing fluid-flow devices
US4035303A (en) * 1976-01-16 1977-07-12 Seaquist Valve Company Open mesh filter element
US4361423A (en) * 1980-11-03 1982-11-30 Nkn Combination acoustical muffler and exhaust converter
US5013029A (en) * 1982-04-02 1991-05-07 Vaux Thomas M Shock-attenuating seamless surface system for use on vertical takeoff and landing zones
US4530417A (en) * 1983-06-22 1985-07-23 Sw Daniel, Inc. Suppressor
FR2628477B1 (fr) * 1988-03-11 1993-05-14 Bertin & Cie Silencieux ejecteur ou injecteur pour la detente d'un fluide gazeux et dispositif de soufflage equipe d'un ensemble de tels silencieux
US5699981A (en) * 1996-03-18 1997-12-23 The United States Of America As Represented By The Secretary Of The Air Force Aircraft cavity acoustic resonance suppression system
US6000433A (en) * 1997-02-03 1999-12-14 Westinghouse Air Brake Co. Precision filtered choke
US8376261B2 (en) * 2002-11-01 2013-02-19 Airbus Uk Limited Landing gear
GB0225517D0 (en) * 2002-11-01 2002-12-11 Airbus Uk Ltd Landing gear
US7083663B2 (en) * 2003-10-30 2006-08-01 The Regents Of The University Of Michigan Active filtration of airborne contaminants employing heated porous resistance-heated filters
US7185678B1 (en) * 2003-12-11 2007-03-06 Nitram Energy, Inc. Orifice plate diffuser
FR2913948B1 (fr) * 2007-03-23 2009-04-24 Airbus France Sas Train d'atterrissage d'avion pourvu d'au moins au moyen de reduction de bruit
US20090078498A1 (en) * 2007-09-26 2009-03-26 Darrin Woods Seamless in-line airboat muffler

Also Published As

Publication number Publication date
US20100122869A1 (en) 2010-05-20
US8020663B2 (en) 2011-09-20
FR2938501A1 (fr) 2010-05-21

Similar Documents

Publication Publication Date Title
FR2938501B1 (fr) Procede pour la reduction du bruit engendre par un orifice place dans un ecoulement gazeux energetique
MA37671B1 (fr) Structure avec ouvertures acoustiques actives
BR112012008013A2 (pt) amortecedor com válvula digital
FR2983834B1 (fr) Pylone d'accrochage pour turbomachine
FR2891242B1 (fr) Turboreacteur pour aeronef, aeronef muni d'un tel turboreacteur, et procede de montage d'un tel turboreacteur sur un aeronef
RU2013142654A (ru) Поперечина сиденья модульной конструкции
RU2011118077A (ru) Воздухозаборник для гондолы турбореактивного двигателя
FR3065570B1 (fr) Garniture surfacique pour absorption acoustique
ATE392361T1 (de) Seitenleitwerkeinheit für flugzeug und damit versehenes flugzeug
CN105464754A (zh) 摩托车消声器
ATE542041T1 (de) Akustikoptimierte flüssigkeitsleitung
CA2796630A1 (fr) Nacelle pour moteur d'aeronef
CN208252430U (zh) 一种降噪叶片
FR3009605A3 (fr)  une hotte d'aspiration laterale avec plaque
CN104373550A (zh) 简易焊接式双片链轮
FR3076318B1 (fr) Dispositif de génération de son et système d’échappement de véhicule
FR3089567B1 (fr) Inverseur de poussée muni d’un volet d’inversion de poussée allégé
CN203022838U (zh) 一种铝铸汽车进气门
PH22017050324Y1 (en) Vehicle frame with fenders and freight vehicle
CN205010312U (zh) 一种动力转向油罐支架
CN201970040U (zh) 一种保护气体焊接装置
CN205243571U (zh) 摇臂支座
CN204663696U (zh) 一种能降低发动机噪音的塑料气门室罩盖
CN203239724U (zh) 高强度椭圆头螺钉
FR3087840B1 (fr) Capot de nacelle pour ensemble propulsif d'aeronef

Legal Events

Date Code Title Description
CA Change of address

Effective date: 20110916

CD Change of name or company name

Owner name: AIRBUS HOLDING, FR

Effective date: 20110916

CJ Change in legal form

Effective date: 20110916

TP Transmission of property

Owner name: AIRBUS HOLDING, FR

Effective date: 20110913

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

ST Notification of lapse

Effective date: 20240706