BRPI0916585A2 - nacela de turbojato e dispositivo de redução de ruído aero-acústico de um turbojato - Google Patents

nacela de turbojato e dispositivo de redução de ruído aero-acústico de um turbojato

Info

Publication number
BRPI0916585A2
BRPI0916585A2 BRPI0916585A BRPI0916585A BRPI0916585A2 BR PI0916585 A2 BRPI0916585 A2 BR PI0916585A2 BR PI0916585 A BRPI0916585 A BR PI0916585A BR PI0916585 A BRPI0916585 A BR PI0916585A BR PI0916585 A2 BRPI0916585 A2 BR PI0916585A2
Authority
BR
Brazil
Prior art keywords
turbojet
noise reduction
aero
reduction device
acoustic noise
Prior art date
Application number
BRPI0916585A
Other languages
English (en)
Inventor
Pierre Caruel
Thierry Marin Martinod
Original Assignee
Aircelle Sa
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 Aircelle Sa filed Critical Aircelle Sa
Publication of BRPI0916585A2 publication Critical patent/BRPI0916585A2/pt

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
    • F02K1/38—Introducing air inside the jet
    • F02K1/383—Introducing air inside the jet with retractable elements
    • 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
    • F02K1/38—Introducing air inside the jet
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
    • 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
    • F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
    • F02K1/48—Corrugated nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
BRPI0916585A 2008-08-06 2009-08-05 nacela de turbojato e dispositivo de redução de ruído aero-acústico de um turbojato BRPI0916585A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0804492A FR2934875B1 (fr) 2008-08-06 2008-08-06 Nacelle de turboreacteur a chevrons mobiles.
PCT/FR2009/000980 WO2010015751A1 (fr) 2008-08-06 2009-08-05 Dispositif de reduction de bruit pour nacelle de turboreacteur a chevrons mobiles, et nacelle associee

Publications (1)

Publication Number Publication Date
BRPI0916585A2 true BRPI0916585A2 (pt) 2015-11-10

Family

ID=40430077

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0916585A BRPI0916585A2 (pt) 2008-08-06 2009-08-05 nacela de turbojato e dispositivo de redução de ruído aero-acústico de um turbojato

Country Status (8)

Country Link
US (1) US8430203B2 (pt)
EP (1) EP2321515A1 (pt)
CN (1) CN102105669B (pt)
BR (1) BRPI0916585A2 (pt)
CA (1) CA2732127A1 (pt)
FR (1) FR2934875B1 (pt)
RU (1) RU2546347C2 (pt)
WO (1) WO2010015751A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025014B4 (de) * 2010-06-24 2020-10-01 Airbus Defence and Space GmbH Vorrichtung zur Reduzierung von Strahllärm
US8613398B2 (en) * 2011-06-17 2013-12-24 General Electric Company Apparatus and methods for linear actuation of flow altering components of jet engine nozzle
FR2996258B1 (fr) * 2012-10-01 2014-10-17 Snecma Melangeur a rotation alternative pour tuyere a flux confluents de turbomachine et son procede de pilotage
FR3008739B1 (fr) * 2013-07-18 2017-03-24 Snecma Tuyere d'une turbomachine equipee de chevrons a face interne non axi-symetrique.
JP6183837B2 (ja) * 2013-08-19 2017-08-23 国立研究開発法人宇宙航空研究開発機構 排気ノズル
US10240560B2 (en) 2014-11-19 2019-03-26 Rohr, Inc. Boot for repair of chevron on nacelle
US10465538B2 (en) * 2014-11-21 2019-11-05 General Electric Company Gas turbine engine with reversible fan
US20170089298A1 (en) * 2015-09-28 2017-03-30 Pratt & Whitney Canada Corp. Deployment mechanism for inflatable surface-increasing features for gas turbine engine
US20170122255A1 (en) * 2015-10-28 2017-05-04 Pratt & Whitney Canada Corp. Chevron system for gas turbine engine
WO2020058651A1 (fr) * 2018-09-20 2020-03-26 Safran Aircraft Engines Gestion acoustique, sur une turbomachine ou une nacelle
FR3097016B1 (fr) * 2019-06-06 2021-07-23 Safran Aircraft Engines Structure de confluence d’une veine primaire et d’une veine secondaire dans une turbomachine a double flux
US12018838B2 (en) 2022-06-21 2024-06-25 General Electric Company Cowl assembly for a gas turbine engine

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1422203A (fr) * 1964-11-03 1965-12-24 Snecma Perfectionnement à la régulation de section des tuyères à effet de silencieux
FR1547756A (fr) * 1967-10-19 1968-11-29 Snecma Silencieux pour réacteurs aéronautiques
US3612209A (en) * 1969-11-28 1971-10-12 Gen Electric Propulsion nozzle with combined thrust reverser and sound suppressor mechanism
FR2242568B2 (pt) * 1973-08-31 1976-10-01 Snecma
US4279382A (en) * 1980-01-28 1981-07-21 The United States Of America As Represented By The Secretary Of The Air Force Radial and axial flow variable exhaust nozzle for a gas turbine engine
US4754924A (en) * 1987-04-03 1988-07-05 Shannon Aubrey J Variable geometry nozzle
FR2740832B1 (fr) * 1995-11-02 1998-01-02 Onera (Off Nat Aerospatiale) Arriere-corps de turboreacteur a double flux
US6220546B1 (en) * 1999-12-29 2001-04-24 The Boeing Company Aircraft engine and associated aircraft engine cowl
GB2372779A (en) * 2001-03-03 2002-09-04 Rolls Royce Plc Gas turbine engine nozzle with noise reducing tabs
US7093423B2 (en) * 2004-01-20 2006-08-22 General Electric Company Methods and apparatus for operating gas turbine engines
FR2868131B1 (fr) * 2004-03-25 2006-06-09 Airbus France Sas Tuyere primaire a chevrons pour turboreacteur a double flux d'aeronef et aeronef comportant une telle tuyere
GB0505246D0 (en) * 2005-03-15 2005-04-20 Rolls Royce Plc Engine noise
RU2310766C1 (ru) * 2006-02-06 2007-11-20 Открытое акционерное общество "Авиадвигатель" Шевронное реактивное сопло газотурбинного двигателя
GB0606823D0 (en) * 2006-04-05 2006-05-17 Rolls Royce Plc Adjustment assembly
GB0608093D0 (en) * 2006-04-25 2006-05-31 Short Brothers Plc Variable area exhaust nozzle
DE102006019299B3 (de) * 2006-04-26 2007-11-08 Deutsches Zentrum für Luft- und Raumfahrt e.V. Ummanteltes Turbofan-Flugzeugtriebwerk
FR2904372B1 (fr) * 2006-07-26 2008-10-31 Snecma Sa Tuyere d'ejection des gaz pour turbomachine a double flux ayant une section d'ejection ou de col variable par deplacement du capot secondaire
EP2115289B1 (en) * 2006-10-12 2015-03-25 United Technologies Corporation Gas turbine engine with fan variable area nozzle having rotating overlapping tabs
US7966826B2 (en) * 2007-02-14 2011-06-28 The Boeing Company Systems and methods for reducing noise from jet engine exhaust
US7883049B2 (en) * 2007-04-27 2011-02-08 The Boeing Company Jet nozzle having noise attenuating shield and method therefor

Also Published As

Publication number Publication date
FR2934875A1 (fr) 2010-02-12
WO2010015751A1 (fr) 2010-02-11
CN102105669B (zh) 2013-12-25
US8430203B2 (en) 2013-04-30
RU2011107175A (ru) 2012-09-20
CN102105669A (zh) 2011-06-22
RU2546347C2 (ru) 2015-04-10
EP2321515A1 (fr) 2011-05-18
US20110139540A1 (en) 2011-06-16
CA2732127A1 (fr) 2010-02-11
FR2934875B1 (fr) 2010-08-13

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2383 DE 06-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.