BR112021021635A2 - Dispositivo reversor de empuxo do tipo de cascata, turbomáquina, e, aeronave - Google Patents
Dispositivo reversor de empuxo do tipo de cascata, turbomáquina, e, aeronaveInfo
- Publication number
- BR112021021635A2 BR112021021635A2 BR112021021635A BR112021021635A BR112021021635A2 BR 112021021635 A2 BR112021021635 A2 BR 112021021635A2 BR 112021021635 A BR112021021635 A BR 112021021635A BR 112021021635 A BR112021021635 A BR 112021021635A BR 112021021635 A2 BR112021021635 A2 BR 112021021635A2
- Authority
- BR
- Brazil
- Prior art keywords
- cascade
- turbomachinery
- aircraft
- type thrust
- thrust reverser
- Prior art date
Links
- 238000000926 separation method Methods 0.000 abstract 3
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
- 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
- F02K1/54—Nozzles having means for reversing jet thrust
- F02K1/64—Reversing fan flow
- F02K1/70—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing
- F02K1/72—Reversing fan flow using thrust reverser flaps or doors mounted on the fan housing the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Valves (AREA)
- Sliding-Contact Bearings (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
dispositivo reversor de empuxo do tipo de cascata, turbomáquina, e, aeronave. é descrito um dispositivo reversor de empuxo do tipo de cascata para uma turbomáquina (1) de uma aeronave, compreendendo uma cascata (80) tendo primeiras separações (82), segundas separações (83) interceptando as primeiras separações (82), e cavidades (84), e uma caixa (71) tendo um alojamento (75) no qual a cascata (80) pode ser inserida em uma primeira direção (da), a caixa (71) e a cascata (80) sendo capazes de se mover em translação relativa uma com relação à outra na primeira direção (da). a caixa (71) compreende uma parede perfurada (72) destinada a estar em contato com um fluxo de ar (f) e incluindo orifícios (722) e tiras de parede (724) que não têm orifícios e destinadas a confrontar as primeiras paredes (82) da cascata (80) quando o dispositivo (70) está em uma primeira posição, na qual a cascata (80) está disposta inteiramente no alojamento (75).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904659A FR3095674B1 (fr) | 2019-05-03 | 2019-05-03 | Grille d’inverseur de poussée incluant un traitement acoustique |
PCT/EP2020/059569 WO2020224889A1 (fr) | 2019-05-03 | 2020-04-03 | Grille d'inverseur de poussee incluant un traitement acoustique |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021021635A2 true BR112021021635A2 (pt) | 2021-12-21 |
Family
ID=67957017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021021635A BR112021021635A2 (pt) | 2019-05-03 | 2020-04-03 | Dispositivo reversor de empuxo do tipo de cascata, turbomáquina, e, aeronave |
Country Status (8)
Country | Link |
---|---|
US (1) | US11939936B2 (pt) |
EP (1) | EP3963200B1 (pt) |
JP (1) | JP7475368B2 (pt) |
CN (1) | CN113767217B (pt) |
BR (1) | BR112021021635A2 (pt) |
CA (1) | CA3134310A1 (pt) |
FR (1) | FR3095674B1 (pt) |
WO (1) | WO2020224889A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20240035427A1 (en) * | 2022-08-01 | 2024-02-01 | Rohr, Inc. | Thrust reverser cascade with offset vane leading edges |
US11873781B1 (en) | 2022-08-01 | 2024-01-16 | Rohr, Inc. | Thrust reverser cascade with one or more flow stabilizers |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5060471A (en) * | 1989-11-06 | 1991-10-29 | 501 Nordam | Jet engine noise reduction system |
DE69813406T2 (de) * | 1997-07-30 | 2003-11-06 | Boeing Co | Akustikplatte für Motorgondel mit integrierte Keilverkleidung und Vorderring |
US5927647A (en) * | 1997-09-24 | 1999-07-27 | Rohr, Inc. | Blocker door frame pressure structure for translating cowl of cascade thrust reverser for aircraft jet engine |
FR2844304B1 (fr) * | 2002-09-10 | 2004-12-10 | Airbus France | Couche acoustiquement resistive pour panneau d'attenuation acoustique, panneau utilisant une telle couche |
FR2898870B1 (fr) * | 2006-03-24 | 2008-05-23 | Aircelle Sa | Structure de virole d'entree d'air |
FR2912833B1 (fr) * | 2007-02-20 | 2009-08-21 | Airbus France Sas | Panneau pour le traitement acoustique |
US8127529B2 (en) * | 2007-03-29 | 2012-03-06 | United Technologies Corporation | Variable area fan nozzle and thrust reverser |
FR2914954B1 (fr) * | 2007-04-13 | 2012-12-07 | Snecma | Turboreacteur a double flux comportant un inverseur de poussee. |
JP2009062977A (ja) | 2007-08-15 | 2009-03-26 | Rohr Inc | 線形音響ライナー |
FR2933224B1 (fr) * | 2008-06-25 | 2010-10-29 | Aircelle Sa | Panneau accoustique pour une tuyere d'ejection |
FR2949820B1 (fr) * | 2009-09-04 | 2011-10-14 | Aircelle Sa | Ensemble structurant pour une tuyere d'ejection. |
FR2958978B1 (fr) * | 2010-04-20 | 2014-04-18 | Aircelle Sa | Agencement de bielles de volets d'inversion de poussee sur la structure interne fixe d'une nacelle de turboreacteur |
FR2961175B1 (fr) * | 2010-06-14 | 2013-01-04 | Aircelle Sa | Nacelle de turboreacteur |
US9416752B2 (en) * | 2012-02-28 | 2016-08-16 | Pratt & Whitney Canada Corp. | Gas turbine exhaust having reduced jet noise |
US10006404B2 (en) * | 2012-02-28 | 2018-06-26 | United Technologies Corporation | Gas turbine engine thrust reverser system |
WO2014051671A1 (en) * | 2012-09-27 | 2014-04-03 | United Technologies Corporation | Geared gas turbine engine integrated with a variable area fan nozzle with reduced noise |
US9835112B2 (en) | 2014-02-10 | 2017-12-05 | MRA Systems Inc. | Thrust reverser cascade |
US9127452B1 (en) * | 2014-04-11 | 2015-09-08 | Rohr, Inc. | Porous septum cap |
FR3039517B1 (fr) * | 2015-07-31 | 2019-05-17 | Safran Nacelles | Structure d’attenuation acoustique a multiples degres d’attenuation pour ensemble propulsif d’aeronef |
US10876479B2 (en) * | 2017-02-24 | 2020-12-29 | Mra Systems, Llc. | Acoustic liner having multiple layers |
US10539156B2 (en) * | 2017-03-07 | 2020-01-21 | United Technologies Corporation | Variable displacement flutter damper for a turbofan engine |
US10436118B2 (en) * | 2017-06-19 | 2019-10-08 | Rohr, Inc. | Acoustic panel with folding chamber |
US10995699B2 (en) * | 2018-02-19 | 2021-05-04 | Mra Systems, Llc. | Thrust reverser cascade |
US11325718B2 (en) * | 2018-05-02 | 2022-05-10 | Rohr, Inc. | Aircraft propulsion system assembly including one or more acoustic panels |
FR3095673B1 (fr) * | 2019-05-03 | 2021-04-16 | Safran Aircraft Engines | Grille d’inverseur de poussée incluant un traitement acoustique |
-
2019
- 2019-05-03 FR FR1904659A patent/FR3095674B1/fr active Active
-
2020
- 2020-04-03 JP JP2021564986A patent/JP7475368B2/ja active Active
- 2020-04-03 WO PCT/EP2020/059569 patent/WO2020224889A1/fr unknown
- 2020-04-03 US US17/608,311 patent/US11939936B2/en active Active
- 2020-04-03 CA CA3134310A patent/CA3134310A1/fr active Pending
- 2020-04-03 CN CN202080032785.4A patent/CN113767217B/zh active Active
- 2020-04-03 EP EP20715883.3A patent/EP3963200B1/fr active Active
- 2020-04-03 BR BR112021021635A patent/BR112021021635A2/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FR3095674A1 (fr) | 2020-11-06 |
CN113767217B (zh) | 2023-02-10 |
US20220220925A1 (en) | 2022-07-14 |
CA3134310A1 (fr) | 2020-11-12 |
JP2022531384A (ja) | 2022-07-06 |
US11939936B2 (en) | 2024-03-26 |
JP7475368B2 (ja) | 2024-04-26 |
EP3963200A1 (fr) | 2022-03-09 |
CN113767217A (zh) | 2021-12-07 |
WO2020224889A1 (fr) | 2020-11-12 |
EP3963200B1 (fr) | 2023-05-31 |
FR3095674B1 (fr) | 2021-04-16 |
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