JP5010318B2 - ターボジェットノズルの中心体 - Google Patents
ターボジェットノズルの中心体 Download PDFInfo
- Publication number
- JP5010318B2 JP5010318B2 JP2007076442A JP2007076442A JP5010318B2 JP 5010318 B2 JP5010318 B2 JP 5010318B2 JP 2007076442 A JP2007076442 A JP 2007076442A JP 2007076442 A JP2007076442 A JP 2007076442A JP 5010318 B2 JP5010318 B2 JP 5010318B2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- cavity
- central body
- turbojet
- forming
- 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.)
- Active
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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
- 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
Description
2 低圧タービン
3 排気ノズル
4 一次ガスストリーム
5 二次ガスストリーム
6 外側ノズルケーシング
7 中心体
8 軸
9 脱気器
10 蒸気逃がしストリーム
11 壁部
12 固定構造
13 全体空洞
14 補強手段
15 内壁
16 シール
17 共振空洞
18 内側空洞
Claims (6)
- 空洞を形成する壁部を備えたターボジェットノズルの中心体であって、該壁部の少なくとも1つの上流部にわたって穿孔された複数のオリフィスと、ヘルムホルツ共鳴器を形成する単一の共振空洞とを備えており、さらに、空洞を形成する壁部の内側に、前記単一の共振空洞を形成する外側空洞と内側空洞との境界を画定する穿孔されていない内壁を備えており、前記内側空洞が、脱気器を備えたターボジェットのために蒸気逃がしストリームを導く作用を果たすように配置されており、膨張差を吸収するためシールが内壁と空洞を形成する壁部との間に設けられている、前記中心体。
- 空洞を形成する壁部が回転体形状の壁である、請求項1に記載の中心体。
- 中心体の機械的強度の改善を可能にする少なくとも1つの補強手段を備える、請求項1および2のうち一項に記載の中心体。
- 空洞を形成する壁部が金属壁である、請求項1から3のうち一項に記載の中心体。
- 金属壁の厚さが一定である、請求項4に記載の中心体。
- 請求項1から5のうち一項に記載の中心体を有するノズルを備える、ターボジェット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0602580A FR2898940B1 (fr) | 2006-03-24 | 2006-03-24 | Corps central de tuyere de turboreacteur |
FR0602580 | 2006-03-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007292064A JP2007292064A (ja) | 2007-11-08 |
JP5010318B2 true JP5010318B2 (ja) | 2012-08-29 |
Family
ID=37517136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007076442A Active JP5010318B2 (ja) | 2006-03-24 | 2007-03-23 | ターボジェットノズルの中心体 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7891195B2 (ja) |
EP (1) | EP1843032B1 (ja) |
JP (1) | JP5010318B2 (ja) |
CA (1) | CA2581542C (ja) |
DE (1) | DE602007007384D1 (ja) |
FR (1) | FR2898940B1 (ja) |
RU (1) | RU2442006C2 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8313286B2 (en) * | 2008-07-28 | 2012-11-20 | Siemens Energy, Inc. | Diffuser apparatus in a turbomachine |
FR2946090B1 (fr) * | 2009-05-27 | 2016-01-22 | Turbomeca | Turbomoteur comportant un cone de guidage des gaz d'echappement avec un attenuateur sonore. |
US20110088379A1 (en) * | 2009-10-15 | 2011-04-21 | General Electric Company | Exhaust gas diffuser |
DE102009059019A1 (de) * | 2009-12-21 | 2011-06-22 | Rolls-Royce Deutschland Ltd & Co KG, 15827 | Anordnung zum Abführen von Ölentlüftungsluft bei einem Gasturbinentriebwerk |
DE102009060051A1 (de) * | 2009-12-21 | 2011-06-22 | Rolls-Royce Deutschland Ltd & Co KG, 15827 | Anordnung zum Abblasen von aus dem Schmierölentlüftungssystem eines Gasturbinentriebwerks ab getrennter Abluft |
FR2956445B1 (fr) | 2010-02-12 | 2012-08-24 | Turbomeca | Revetement d'attenuation de bruit pour un conduit de guidage de gaz, tuyere et moteur a turbine a gaz avec le revetement |
FR2956446B1 (fr) * | 2010-02-12 | 2012-07-27 | Turbomeca | Dispositif d'ejection de gaz d'un moteur a turbine a gaz et moteur a turbine a gaz |
DE102010026834A1 (de) * | 2010-07-12 | 2012-01-12 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbinenabgaskonus |
FR2965859B1 (fr) * | 2010-10-07 | 2012-11-02 | Snecma | Dispositif de traitement acoustique du bruit emis par un turboreacteur |
DE102011008921A1 (de) * | 2011-01-19 | 2012-07-19 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbinenabgaskonus |
US8826669B2 (en) | 2011-11-09 | 2014-09-09 | Pratt & Whitney Canada Corp. | Gas turbine exhaust case |
US8944753B2 (en) | 2011-11-09 | 2015-02-03 | Pratt & Whitney Canada Corp. | Strut mounting arrangement for gas turbine exhaust case |
US9200537B2 (en) | 2011-11-09 | 2015-12-01 | Pratt & Whitney Canada Corp. | Gas turbine exhaust case with acoustic panels |
FR2987079B1 (fr) * | 2012-02-17 | 2017-02-10 | Snecma Propulsion Solide | Cone d'echappement avec systeme d'attenuation acoustique |
GB201301702D0 (en) | 2013-01-31 | 2013-03-20 | Rolls Royce Plc | Exhaust cone |
US9400108B2 (en) | 2013-05-14 | 2016-07-26 | Siemens Aktiengesellschaft | Acoustic damping system for a combustor of a gas turbine engine |
EP3288827A1 (en) | 2015-04-29 | 2018-03-07 | Bombardier Inc. | Acoustic abatement apparatus for an aicraft |
US11067277B2 (en) | 2016-10-07 | 2021-07-20 | General Electric Company | Component assembly for a gas turbine engine |
FR3133216A1 (fr) * | 2022-03-02 | 2023-09-08 | Safran Nacelles | Cône d’éjection pour turbomachine d’aéronef |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2988302A (en) * | 1959-01-14 | 1961-06-13 | Gen Sound Control Inc | Silencing means for aircraft |
US3542152A (en) * | 1968-04-08 | 1970-11-24 | Gen Electric | Sound suppression panel |
GB1522558A (en) * | 1976-04-05 | 1978-08-23 | Rolls Royce | Duct linings |
US4064961A (en) * | 1976-04-05 | 1977-12-27 | Rohr Industries, Incorporated | Slanted cavity resonator |
US4137992A (en) * | 1976-12-30 | 1979-02-06 | The Boeing Company | Turbojet engine nozzle for attenuating core and turbine noise |
JPS5591744A (en) * | 1978-12-29 | 1980-07-11 | Boeing Co | Silencing nozzle assembly for turboojet engine |
US4240519A (en) * | 1979-07-02 | 1980-12-23 | United Technologies Corporation | Acoustical turbine engine tail pipe plug |
US4258822A (en) * | 1979-07-27 | 1981-03-31 | United Technologies Corporation | Muffler plug for gas turbine power plant |
JPS61147345U (ja) * | 1985-03-05 | 1986-09-11 | ||
DE3605619A1 (de) * | 1986-02-21 | 1987-08-27 | Mtu Muenchen Gmbh | Stroemungsmaschine mit versorgungseinrichtung fuer schmiermittel |
US4947958A (en) * | 1987-10-06 | 1990-08-14 | Uas Support, Inc. | Sound attenuating laminate installation for jet aircraft engines |
US5287697A (en) * | 1992-01-02 | 1994-02-22 | General Electric Company | Variable area bypass injector seal |
EP0702141B1 (en) * | 1994-09-14 | 2002-05-08 | Mitsubishi Jukogyo Kabushiki Kaisha | Wall assembly for an exhaust gas nozzle of a supersonic jet engine |
US5592813A (en) * | 1995-07-06 | 1997-01-14 | Avaero | Hush kit for jet engine |
JPH11173213A (ja) * | 1997-12-11 | 1999-06-29 | Mitsubishi Heavy Ind Ltd | 航空機用排気音低減装置の取付構造 |
US6584766B1 (en) * | 2000-03-24 | 2003-07-01 | General Electric Co. | Methods and apparatus for minimizing thermal stresses in a centerbody |
US6351947B1 (en) * | 2000-04-04 | 2002-03-05 | Abb Alstom Power (Schweiz) | Combustion chamber for a gas turbine |
US6530221B1 (en) * | 2000-09-21 | 2003-03-11 | Siemens Westinghouse Power Corporation | Modular resonators for suppressing combustion instabilities in gas turbine power plants |
WO2003060311A1 (en) * | 2002-01-09 | 2003-07-24 | The Nordam Group, Inc. | Variable area plug nozzle |
JP2003307467A (ja) * | 2002-04-16 | 2003-10-31 | Kawasaki Heavy Ind Ltd | エンジンテストセル |
DE102004012929B3 (de) * | 2004-03-17 | 2005-04-21 | Dornier Gmbh | Anordnung zur Lärmreduzierung in Turbofantriebwerken |
US7267297B2 (en) * | 2004-09-02 | 2007-09-11 | The Boeing Company | Integrated axially varying engine muffler, and associated methods and systems |
US7413053B2 (en) * | 2006-01-25 | 2008-08-19 | Siemens Power Generation, Inc. | Acoustic resonator with impingement cooling tubes |
-
2006
- 2006-03-24 FR FR0602580A patent/FR2898940B1/fr not_active Expired - Fee Related
-
2007
- 2007-03-20 CA CA2581542A patent/CA2581542C/fr active Active
- 2007-03-23 JP JP2007076442A patent/JP5010318B2/ja active Active
- 2007-03-23 US US11/690,381 patent/US7891195B2/en active Active
- 2007-03-23 RU RU2007110795/06A patent/RU2442006C2/ru active
- 2007-03-26 EP EP07290363A patent/EP1843032B1/fr active Active
- 2007-03-26 DE DE602007007384T patent/DE602007007384D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
FR2898940B1 (fr) | 2008-05-30 |
CA2581542C (fr) | 2014-04-29 |
RU2007110795A (ru) | 2008-09-27 |
FR2898940A1 (fr) | 2007-09-28 |
RU2442006C2 (ru) | 2012-02-10 |
EP1843032A1 (fr) | 2007-10-10 |
CA2581542A1 (fr) | 2007-09-24 |
JP2007292064A (ja) | 2007-11-08 |
DE602007007384D1 (de) | 2010-08-12 |
EP1843032B1 (fr) | 2010-06-30 |
US7891195B2 (en) | 2011-02-22 |
US20070220894A1 (en) | 2007-09-27 |
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