JP4617166B2 - 第1および第2の軸受に支持される駆動シャフトと一体化したファンを有するターボジェットエンジン - Google Patents
第1および第2の軸受に支持される駆動シャフトと一体化したファンを有するターボジェットエンジン Download PDFInfo
- Publication number
- JP4617166B2 JP4617166B2 JP2005017774A JP2005017774A JP4617166B2 JP 4617166 B2 JP4617166 B2 JP 4617166B2 JP 2005017774 A JP2005017774 A JP 2005017774A JP 2005017774 A JP2005017774 A JP 2005017774A JP 4617166 B2 JP4617166 B2 JP 4617166B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- fan
- compressor shaft
- turbojet engine
- shaft
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
2 ファンシャフト
3 ブレード
4 軸
5 コンプレッサシャフト
6、46 第1の軸受
7、47 第2の軸受
8、14、414 内側リング
9、15、415 外側リング
10 玉軸受
11、19 軸受支持片
13、22 せん断ネジ
13’ 弱化部
14’、20’、20”、26’、28’ 切欠き
14”、26”、28” 歯
14a チャネル
16、416 ローラ
17 リテーナ
18 構造フランジ
20 ハウジング
21、421 固定クランプ
23、436 外表面
24、437 内表面
25 上流側突出環状部
26 下流側突出環状部
27 環状溝
28、428 保持ディスク
29 移動捕捉装置
30 ラビリンスジョイント
31 固定ナット
32、432 長手方向スリーブ
33、433 停止ディスク
34、35 支持面
41 ターボジェットエンジン
45 駆動シャフト
411 支持片
418 フランジ
434 上流側面
435 下流側面
Claims (4)
- 固定構造体と、第1の軸受(6)および第2の軸受(7)に支持される駆動シャフト(5)と一体化されたファンロータ(2)とを備えるターボジェットエンジンであって、駆動シャフト(5)と一体に取り付けられ、固定構造体の手段(32、33)と協働して、ファンロータ(2)の軸方向保持手段および非常時軸受の少なくとも一方を形成する手段(28)を備えていることを特徴とする、ターボジェットエンジン。
- 第2の軸受(7)が固定される構造フランジ(18)を備えており、ファン(2)の軸方向保持手段および非常時軸受の少なくとも一方を形成する手段が、駆動シャフト(5)に取り付けられた保持ディスク(28)であり、該保持ディスク(28)が、ファン(2)を軸方向に保持すべくフランジ(18)の停止ディスク(33)と協働し、また、非常時軸受を形成すべくフランジ(18)の長手方向スリーブ(32)と協働する、請求項1に記載のターボジェットエンジン。
- ファン(2)の軸方向保持手段および非常時軸受の少なくとも一方を形成する手段が、駆動シャフト(5)に直接軸方向応力を伝達するように構成されている、請求項1または2に記載のターボジェットエンジン。
- 第2の軸受が、内側リング(14)と、外側リング(15)と、前記内側および外側リング(14、15)の間に取り付けられるローラ(16)とを備えており、保持ディスク(28)が、駆動シャフト(5)の歯(26”)を軸方向に支持し、かつ第2の軸受(7)の内側リング(14)の長手方向歯(14”)により回転が固定される径方向の歯(28”)を備えている、請求項3に記載のターボジェットエンジン。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401145A FR2866068B1 (fr) | 2004-02-06 | 2004-02-06 | Turboreacteur a soufflante solidaire d'un arbre d'entrainement supporte par un premier et un deuxieme paliers |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005220906A JP2005220906A (ja) | 2005-08-18 |
JP4617166B2 true JP4617166B2 (ja) | 2011-01-19 |
Family
ID=34684993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005017774A Active JP4617166B2 (ja) | 2004-02-06 | 2005-01-26 | 第1および第2の軸受に支持される駆動シャフトと一体化したファンを有するターボジェットエンジン |
Country Status (11)
Country | Link |
---|---|
US (1) | US7322180B2 (ja) |
EP (1) | EP1564352B1 (ja) |
JP (1) | JP4617166B2 (ja) |
CN (1) | CN100559021C (ja) |
BR (1) | BRPI0500271B1 (ja) |
CA (1) | CA2495982C (ja) |
DE (1) | DE602005018697D1 (ja) |
ES (1) | ES2335778T3 (ja) |
FR (1) | FR2866068B1 (ja) |
RU (1) | RU2386050C2 (ja) |
UA (1) | UA87965C2 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8499462B2 (en) * | 2006-04-10 | 2013-08-06 | The Gillette Company | Cutting members for shaving razors |
FR2907861B1 (fr) * | 2006-10-26 | 2008-12-26 | Snecma Sa | Agencement de palier d'un arbre tournant et turboreacteur equipe d'un tel agencement |
FR2915511B1 (fr) * | 2007-04-27 | 2012-06-08 | Snecma | Limitation de survitesse du rotor d'une turbine de turbomachine |
FR2925123A1 (fr) * | 2007-12-14 | 2009-06-19 | Snecma Sa | Etancheite de fixation de support de palier dans une turbomachine |
US20100043228A1 (en) * | 2007-12-28 | 2010-02-25 | James Lloyd Daniels | Method of Preparing an Engine for Ferry Flight |
US20100047077A1 (en) * | 2007-12-28 | 2010-02-25 | General Electric Company | Ferry Flight Engine Fairing Kit |
FR2929358B1 (fr) * | 2008-03-25 | 2010-08-13 | Snecma | Palier de guidage d'arbre dans une turbomachine |
US8118544B2 (en) * | 2009-01-07 | 2012-02-21 | Honeywell International Inc. | Bearing and retention mechanisms |
US8667775B1 (en) * | 2009-08-05 | 2014-03-11 | The Boeing Company | Reverse flow engine core having a ducted fan with integrated secondary flow blades |
TWI384132B (zh) * | 2009-08-26 | 2013-02-01 | Sunonwealth Electr Mach Ind Co | 散熱風扇構造 |
FR2960026B1 (fr) * | 2010-05-11 | 2014-05-16 | Snecma | Turboreacteur a montage frangible et moyen de retenue axiale de la soufflante |
US8845277B2 (en) | 2010-05-24 | 2014-09-30 | United Technologies Corporation | Geared turbofan engine with integral gear and bearing supports |
US8573922B2 (en) | 2010-06-15 | 2013-11-05 | Rolls-Royce Corporation | Bearing support |
FR2965298B1 (fr) * | 2010-09-28 | 2012-09-28 | Snecma | Moteur a turbine a gaz comprenant des moyens de retention axiale d'une soufflante dudit moteur |
FR2966208B1 (fr) * | 2010-10-13 | 2012-12-28 | Snecma | Boitier de liaison entre un arbre d'entrainement de soufflante de moteur et un palier de roulement |
CA2760454C (en) | 2010-12-03 | 2019-02-19 | Pratt & Whitney Canada Corp. | Gas turbine rotor containment |
RU2459966C1 (ru) * | 2011-04-06 | 2012-08-27 | Открытое акционерное общество "Авиадвигатель" | Опора газотурбинного двигателя |
GB2494178B (en) | 2011-09-02 | 2013-07-31 | Rolls Royce Plc | A catcher ring assembly |
US9115598B2 (en) | 2012-06-05 | 2015-08-25 | United Technologies Corporation | Front bearing support for a fan drive gear system |
FR2999237B1 (fr) * | 2012-12-11 | 2018-07-13 | Safran Aircraft Engines | Guidage d'arbres de turbomachine |
FR3005098B1 (fr) * | 2013-04-30 | 2015-05-15 | Snecma | Support de palier d'une turbomachine comportant une ouverture d'acces pour l'assemblage de servitudes |
FR3016189B1 (fr) * | 2014-01-07 | 2018-09-28 | Safran Aircraft Engines | Dispositif de reduction epicycloidal pour l'entrainement en rotation des ensembles de pales d'une turbomachine a reducteur |
SE537987C2 (sv) * | 2014-04-07 | 2016-01-12 | Cgrain Ab | Avbildningssystem för granulärt material med homogen bakgrund |
FR3026774B1 (fr) * | 2014-10-07 | 2020-07-17 | Safran Aircraft Engines | Turbomachine comportant un dispositif de freinage du rotor de soufflante. |
GB201704984D0 (en) * | 2017-03-29 | 2017-05-10 | Rolls Royce Plc | Mitigation of effects of fan blade off in a gas turbine engine |
FR3071546B1 (fr) | 2017-09-25 | 2019-09-13 | Safran Aircraft Engines | Retention axiale de l'arbre de soufflante dans un moteur a turbine a gaz |
JP7032279B2 (ja) * | 2018-10-04 | 2022-03-08 | 本田技研工業株式会社 | ガスタービンエンジン |
FR3096744B1 (fr) * | 2019-06-03 | 2022-01-14 | Safran Aircraft Engines | Ensemble de support et de guidage d’un arbre d’entrainement de turbomachine d’aeronef |
FR3107089B1 (fr) | 2020-02-07 | 2023-03-10 | Safran Aircraft Engines | Retenue axiale d’une soufflante dans un turboréacteur |
US11408304B2 (en) * | 2020-10-08 | 2022-08-09 | Pratt & Whitney Canada Corp. | Gas turbine engine bearing housing |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5029439A (en) * | 1988-12-15 | 1991-07-09 | Societe National D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Gas turbine engine including a turbine braking device |
US6009701A (en) * | 1996-12-20 | 2000-01-04 | Rolls-Royce, Plc | Ducted fan gas turbine engine having a frangible connection |
JP2000192953A (ja) * | 1998-12-23 | 2000-07-11 | United Technol Corp <Utc> | 軸受システム |
US6098399A (en) * | 1997-02-15 | 2000-08-08 | Rolls-Royce Plc | Ducted fan gas turbine engine |
US20030142894A1 (en) * | 2002-01-26 | 2003-07-31 | Bernhard Woehrl | Rotary bearing assembly having a preset breaking point |
Family Cites Families (18)
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GB1152115A (en) * | 1967-10-06 | 1969-05-14 | Rolls Royce | Rotary Bladed Fluid Flow Machine, e.g. a Fan Lift Engine |
US4289360A (en) * | 1979-08-23 | 1981-09-15 | General Electric Company | Bearing damper system |
US5237817A (en) * | 1992-02-19 | 1993-08-24 | Sundstrand Corporation | Gas turbine engine having low cost speed reduction drive |
US5433584A (en) * | 1994-05-05 | 1995-07-18 | Pratt & Whitney Canada, Inc. | Bearing support housing |
FR2752024B1 (fr) * | 1996-08-01 | 1998-09-04 | Snecma | Support d'arbre cassant a l'apparition d'un balourd |
FR2773586B1 (fr) * | 1998-01-09 | 2000-02-11 | Snecma | Turbomachine a freinage mutuel d'arbres concentriques |
FR2817912B1 (fr) * | 2000-12-07 | 2003-01-17 | Hispano Suiza Sa | Reducteur reprenant les efforts axiaux generes par la soufflante d'un turboreacteur |
US6428269B1 (en) * | 2001-04-18 | 2002-08-06 | United Technologies Corporation | Turbine engine bearing support |
US6877950B2 (en) * | 2001-11-29 | 2005-04-12 | Pratt & Whitney Canada Corp. | Method and device for minimizing oil consumption in a gas turbine engine |
US6619030B1 (en) * | 2002-03-01 | 2003-09-16 | General Electric Company | Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors |
US6684626B1 (en) * | 2002-07-30 | 2004-02-03 | General Electric Company | Aircraft gas turbine engine with control vanes for counter rotating low pressure turbines |
US6846158B2 (en) * | 2002-09-06 | 2005-01-25 | General Electric Company | Method and apparatus for varying the critical speed of a shaft |
US7097412B2 (en) * | 2003-02-14 | 2006-08-29 | United Technologies Corporation | Turbine engine bearing support |
US7370467B2 (en) * | 2003-07-29 | 2008-05-13 | Pratt & Whitney Canada Corp. | Turbofan case and method of making |
FR2866069A1 (fr) * | 2004-02-06 | 2005-08-12 | Snecma Moteurs | Turboreacteur a soufflante solidaire d'un arbre d'entrainement supporte par un premier et un deuxieme paliers |
FR2866073B1 (fr) * | 2004-02-11 | 2006-07-28 | Snecma Moteurs | Turboreacteur ayant deux soufflantes contrarotatives solidaires d'un compresseur a basse pression contrarotatif |
FR2871517B1 (fr) * | 2004-06-11 | 2006-09-01 | Snecma Moteurs Sa | Turbomachine avec moyens de retenue axiale du rotor |
FR2874238B1 (fr) * | 2004-08-12 | 2006-12-01 | Snecma Moteurs Sa | Turbomachine a soufflantes contrarotatives |
-
2004
- 2004-02-06 FR FR0401145A patent/FR2866068B1/fr not_active Expired - Fee Related
- 2004-12-29 US US11/023,601 patent/US7322180B2/en active Active
-
2005
- 2005-01-19 BR BRPI0500271-0A patent/BRPI0500271B1/pt active IP Right Grant
- 2005-01-26 JP JP2005017774A patent/JP4617166B2/ja active Active
- 2005-01-28 ES ES05300073T patent/ES2335778T3/es active Active
- 2005-01-28 EP EP05300073A patent/EP1564352B1/fr active Active
- 2005-01-28 DE DE602005018697T patent/DE602005018697D1/de active Active
- 2005-02-01 UA UAA200500916A patent/UA87965C2/ru unknown
- 2005-02-02 CA CA2495982A patent/CA2495982C/fr active Active
- 2005-02-03 CN CNB2005100080350A patent/CN100559021C/zh active Active
- 2005-02-04 RU RU2005102780/06A patent/RU2386050C2/ru active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5029439A (en) * | 1988-12-15 | 1991-07-09 | Societe National D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Gas turbine engine including a turbine braking device |
US6009701A (en) * | 1996-12-20 | 2000-01-04 | Rolls-Royce, Plc | Ducted fan gas turbine engine having a frangible connection |
US6098399A (en) * | 1997-02-15 | 2000-08-08 | Rolls-Royce Plc | Ducted fan gas turbine engine |
JP2000192953A (ja) * | 1998-12-23 | 2000-07-11 | United Technol Corp <Utc> | 軸受システム |
US20030142894A1 (en) * | 2002-01-26 | 2003-07-31 | Bernhard Woehrl | Rotary bearing assembly having a preset breaking point |
Also Published As
Publication number | Publication date |
---|---|
BRPI0500271A (pt) | 2005-09-27 |
JP2005220906A (ja) | 2005-08-18 |
EP1564352A3 (fr) | 2005-08-31 |
CA2495982A1 (fr) | 2005-08-06 |
BRPI0500271B1 (pt) | 2015-06-23 |
CA2495982C (fr) | 2011-11-08 |
CN1670347A (zh) | 2005-09-21 |
EP1564352A2 (fr) | 2005-08-17 |
RU2386050C2 (ru) | 2010-04-10 |
DE602005018697D1 (de) | 2010-02-25 |
US7322180B2 (en) | 2008-01-29 |
EP1564352B1 (fr) | 2010-01-06 |
CN100559021C (zh) | 2009-11-11 |
FR2866068A1 (fr) | 2005-08-12 |
US20050172608A1 (en) | 2005-08-11 |
FR2866068B1 (fr) | 2006-07-07 |
UA87965C2 (ru) | 2009-09-10 |
RU2005102780A (ru) | 2006-07-10 |
ES2335778T3 (es) | 2010-04-05 |
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