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 turbojatoInfo
- 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
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)
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 (11)
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 |
US20220018283A1 (en) * | 2018-09-20 | 2022-01-20 | Safran Aircraft Engines | Acoustic management, on a turbomachine or a 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 |
Family Cites Families (20)
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 |
WO2008045090A1 (en) * | 2006-10-12 | 2008-04-17 | United Technologies Corporation | Gas turbine engine with rotationally overlapped fan variable area nozzle |
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 |
-
2008
- 2008-08-06 FR FR0804492A patent/FR2934875B1/fr not_active Expired - Fee Related
-
2009
- 2009-08-05 BR BRPI0916585A patent/BRPI0916585A2/pt not_active IP Right Cessation
- 2009-08-05 WO PCT/FR2009/000980 patent/WO2010015751A1/fr active Application Filing
- 2009-08-05 CA CA2732127A patent/CA2732127A1/fr not_active Abandoned
- 2009-08-05 EP EP09736432A patent/EP2321515A1/fr not_active Withdrawn
- 2009-08-05 RU RU2011107175/06A patent/RU2546347C2/ru not_active IP Right Cessation
- 2009-08-05 US US13/057,935 patent/US8430203B2/en not_active Expired - Fee Related
- 2009-08-05 CN CN200980129622.1A patent/CN102105669B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2732127A1 (fr) | 2010-02-11 |
US8430203B2 (en) | 2013-04-30 |
RU2011107175A (ru) | 2012-09-20 |
RU2546347C2 (ru) | 2015-04-10 |
WO2010015751A1 (fr) | 2010-02-11 |
EP2321515A1 (fr) | 2011-05-18 |
US20110139540A1 (en) | 2011-06-16 |
CN102105669B (zh) | 2013-12-25 |
CN102105669A (zh) | 2011-06-22 |
FR2934875A1 (fr) | 2010-02-12 |
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. |