JP2005299672A - タービンエンジンおよびガスタービンエンジンの組立方法 - Google Patents
タービンエンジンおよびガスタービンエンジンの組立方法 Download PDFInfo
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- JP2005299672A JP2005299672A JP2005118008A JP2005118008A JP2005299672A JP 2005299672 A JP2005299672 A JP 2005299672A JP 2005118008 A JP2005118008 A JP 2005118008A JP 2005118008 A JP2005118008 A JP 2005118008A JP 2005299672 A JP2005299672 A JP 2005299672A
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- turbine engine
- rotor
- force
- engine according
- retainer
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- 238000000034 method Methods 0.000 title claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 42
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/025—Fixing blade carrying members on shafts
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
- Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
- Y10T29/49323—Assembling fluid flow directing devices, e.g., stators, diaphragms, nozzles
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】 ガスタービンエンジンは、中心シャフト(28)によって支持されたロータ群を有する。複数のリテーナセグメント(210A,210B)が、中心シャフト(28)からロータ群に予圧縮力を伝達するために、ロータ群と係合する第1の面(214)と、中心シャフトと係合する第2の面(212)と、を有している。
【選択図】 図7
Description
82…前方端部リム面
206…底面
210A…リングセグメント
212…前面
214…背面
216…内側面
218…外側面
Claims (18)
- 中心シャフトと、
前記中心シャフトに支持されたロータ群と、
前記中心シャフトから前記ロータ群に予圧縮力を伝達するために、該ロータ群と係合する第1の面と、該中心シャフトと係合する第2の面と、をそれぞれ有する1つまたは複数のリテーナセグメントと、を有することを特徴とするタービンエンジン。 - 前記リテーナセグメントは、少なくとも2つ含まれることを特徴とする請求項1記載のタービンエンジン。
- 前記リテーナセグメントが径方向に移動しないように、該リテーナセグメントを定位置に固定するカラーをさらに含むことを特徴とする請求項2記載のタービンエンジン。
- 前記カラーは、ベアリング支持要素によって長手方向に拘束されていることを特徴とする請求項3記載のタービンエンジン。
- 前記リテーナセグメントは、前記ロータ群の前方端部に近接して設けられており、
ちょうど2つの前記リテーナセグメントが、前記前方端部に近接して設けられていることを特徴とする請求項1記載のタービンエンジン。 - 前記シャフトは、前記第2の面と係合する前方面を有するさねはぎ溝を含むことを特徴とする請求項1記載のタービンエンジン。
- 前記さねはぎ溝は、完全な還であることを特徴とする請求項6記載のタービンエンジン。
- 前記さねはぎ溝は、後方面と、前方面と後方面との間の底面と、を有し、
前記底面は、5°を超える半角で実質的に後方に末広となっていることを特徴とする請求項6記載のタービンエンジン。 - 前記前方面は、実質的に径方向から5°以内に設けられていることを特徴とする請求項6記載のタービンエンジン。
- 前記予圧縮力は、少なくとも50kNであることを特徴とする請求項6記載のタービンエンジン。
- 前記ロータは、高速圧縮機ロータであることを特徴とする請求項6記載のタービンエンジン。
- 前記ロータは、偏心連結ロッドを含まないことを特徴とする請求項6記載のタービンエンジン。
- タービンエンジンシャフトにロータ群を組み付け、
前記ロータ群と前記シャフトとの間に力を加えて、該シャフトに引張力を加えるとともに該ロータ群を圧縮し、
前記シャフトのさねはぎ溝に1つまたは複数のリテーナセグメントを挿入し、
前記ロータ群が前記リテーナセグメントに対して押し付けられるように、前記力を解除することを含むことを特徴とするガスタービンエンジンの組立方法。 - 少なくとも2つのリテーナセグメントが含まれることを特徴とする請求項13記載のガスタービンエンジンの組立方法。
- 前記リテーナセグメントが径方向に移動しないように該リテーナセグメントを定位置に固定するために、前記リテーナセグメントを少なくとも部分的に囲むカラーを設置することをさらに含むことを特徴とする請求項14記載のガスタービンエンジンの組立方法。
- 前記力を加えることにより、50kNを超える力で前記ロータ群が圧縮されることを特徴とする請求項13記載のガスタービンエンジンの組立方法。
- 前記力の解除により、前記ロータ群に少なくとも50kNの予圧縮力がかかった状態となることを特徴とする請求項13記載のガスタービンエンジンの組立方法。
- 前記組み付けは、少なくとも1つのスペーサ要素の端部を少なくとも1つのロータディスクの部分に締まりばめすることを含むことを特徴とする請求項13記載のガスタービンエンジンの組立方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/825,256 US7147436B2 (en) | 2004-04-15 | 2004-04-15 | Turbine engine rotor retainer |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005299672A true JP2005299672A (ja) | 2005-10-27 |
JP4177351B2 JP4177351B2 (ja) | 2008-11-05 |
Family
ID=34940796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005118008A Expired - Fee Related JP4177351B2 (ja) | 2004-04-15 | 2005-04-15 | タービンエンジンおよびガスタービンエンジンの組立方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7147436B2 (ja) |
EP (1) | EP1591623B1 (ja) |
JP (1) | JP4177351B2 (ja) |
DE (1) | DE602005021428D1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015513044A (ja) * | 2012-04-09 | 2015-04-30 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | ターボ機械のシャフト機構 |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7059831B2 (en) * | 2004-04-15 | 2006-06-13 | United Technologies Corporation | Turbine engine disk spacers |
US7186079B2 (en) | 2004-11-10 | 2007-03-06 | United Technologies Corporation | Turbine engine disk spacers |
US8087885B2 (en) * | 2004-12-01 | 2012-01-03 | United Technologies Corporation | Stacked annular components for turbine engines |
US7309210B2 (en) | 2004-12-17 | 2007-12-18 | United Technologies Corporation | Turbine engine rotor stack |
US7448221B2 (en) | 2004-12-17 | 2008-11-11 | United Technologies Corporation | Turbine engine rotor stack |
US7452188B2 (en) * | 2005-09-26 | 2008-11-18 | Pratt & Whitney Canada Corp. | Pre-stretched tie-bolt for use in a gas turbine engine and method |
US7726937B2 (en) | 2006-09-12 | 2010-06-01 | United Technologies Corporation | Turbine engine compressor vanes |
FR2931874B1 (fr) * | 2008-05-29 | 2010-06-25 | Snecma | Dispositif de blocage axial d'un palier de guidage d'arbre dans une turbomachine. |
US20140174056A1 (en) | 2008-06-02 | 2014-06-26 | United Technologies Corporation | Gas turbine engine with low stage count low pressure turbine |
US8287242B2 (en) * | 2008-11-17 | 2012-10-16 | United Technologies Corporation | Turbine engine rotor hub |
US8096210B2 (en) * | 2009-04-19 | 2012-01-17 | United Technologies Corporation | Bolt holder tool |
EP2287445A1 (fr) * | 2009-07-16 | 2011-02-23 | Techspace Aero S.A. | Tambour de rotor de compresseur axial avec voile composite |
US20110219781A1 (en) * | 2010-03-10 | 2011-09-15 | Daniel Benjamin | Gas turbine engine with tie shaft for axial high pressure compressor rotor |
US8540482B2 (en) * | 2010-06-07 | 2013-09-24 | United Technologies Corporation | Rotor assembly for gas turbine engine |
FR2963062B1 (fr) * | 2010-07-20 | 2012-08-31 | Snecma | Assemblage entre un tourillon d'arbre de compresseur et un pignon conique pour l'entrainement d'un boitier d'accessoires d'une turbomachine |
US8550784B2 (en) * | 2011-05-04 | 2013-10-08 | United Technologies Corporation | Gas turbine engine rotor construction |
US8840373B2 (en) | 2011-08-03 | 2014-09-23 | United Technologies Corporation | Gas turbine engine rotor construction |
US9212557B2 (en) | 2011-08-31 | 2015-12-15 | United Technologies Corporation | Assembly and method preventing tie shaft unwinding |
US8882425B2 (en) | 2012-04-02 | 2014-11-11 | United Technologies Corporation | Thread load distribution |
US9410446B2 (en) | 2012-07-10 | 2016-08-09 | United Technologies Corporation | Dynamic stability and mid axial preload control for a tie shaft coupled axial high pressure rotor |
GB201222415D0 (en) | 2012-12-13 | 2013-01-23 | Rolls Royce Plc | Drum seal |
US9334794B2 (en) | 2013-06-05 | 2016-05-10 | Pratt & Whitney Canada Corp. | Rotary internal combustion engine with pilot subchamber and ignition element |
US10048144B2 (en) | 2013-07-12 | 2018-08-14 | Pratt & Whitney Canada Corp. | Method and system for applying a compressive preload |
ES2935815T3 (es) * | 2013-09-06 | 2023-03-10 | MTU Aero Engines AG | (Des)montaje de un rotor de una turbina de gas, en particular delantero |
US9631513B2 (en) * | 2014-05-07 | 2017-04-25 | Siemens Energy, Inc. | Vibration optimized rotor and a method for producing a vibration optimized rotor |
US9890641B2 (en) | 2015-01-15 | 2018-02-13 | United Technologies Corporation | Gas turbine engine truncated airfoil fillet |
FR3047075B1 (fr) * | 2016-01-27 | 2018-02-23 | Safran Aircraft Engines | Piece de revolution pour banc d'essai de turbine ou pour turbomachine, banc d'essais de turbines comprenant ladite piece, et procede les utilisant |
US10344596B2 (en) | 2017-05-02 | 2019-07-09 | Rolls-Royce Corporation | Gas turbine engine tie bolt arrangement |
US10584599B2 (en) | 2017-07-14 | 2020-03-10 | United Technologies Corporation | Compressor rotor stack assembly for gas turbine engine |
FR3071759B1 (fr) * | 2017-09-29 | 2019-10-04 | Safran Aircraft Engines | Procede de realisation d'un rotor de compresseur haute pression de turbomachine |
US11203934B2 (en) * | 2019-07-30 | 2021-12-21 | General Electric Company | Gas turbine engine with separable shaft and seal assembly |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA534694A (en) * | 1956-12-18 | Rolls-Royce Limited | Rotor constructions for turbo machines | |
GB704609A (en) * | 1950-08-01 | 1954-02-24 | Rolls Royce | Improvements in or relating to multi-stage axial-flow compressors or turbines |
US2749086A (en) * | 1951-08-23 | 1956-06-05 | Rolls Royce | Rotor constructions for turbo machines |
US3822953A (en) * | 1972-11-07 | 1974-07-09 | Westinghouse Electric Corp | Disc retainer device |
DE2643886C2 (de) * | 1976-09-29 | 1978-02-09 | Kraftwerk Union AG, 4330 Mülheim | Gasturbinentäufer in Scheibenbauart |
JPS54124845A (en) | 1978-03-21 | 1979-09-28 | Nippon Denso Co | Welding of lamination core |
US4737076A (en) * | 1986-10-20 | 1988-04-12 | United Technologies Corporation | Means for maintaining concentricity of rotating components |
US4836750A (en) * | 1988-06-15 | 1989-06-06 | Pratt & Whitney Canada Inc. | Rotor assembly |
US5161951A (en) * | 1991-08-05 | 1992-11-10 | Westinghouse Electric Corp. | Apparatus and method for preventing axial movement of a disc along a shaft |
US5288210A (en) * | 1991-10-30 | 1994-02-22 | General Electric Company | Turbine disk attachment system |
JPH09273514A (ja) | 1996-04-05 | 1997-10-21 | Katayama Chain Kk | 回転伝達部材の回転軸取付構造 |
FR2783579B1 (fr) | 1998-09-17 | 2000-11-03 | Snecma | Agencement de retenue d'un palier, notamment pour un arbre de compresseur a haute pression |
US6267553B1 (en) | 1999-06-01 | 2001-07-31 | Joseph C. Burge | Gas turbine compressor spool with structural and thermal upgrades |
-
2004
- 2004-04-15 US US10/825,256 patent/US7147436B2/en not_active Expired - Lifetime
-
2005
- 2005-04-13 EP EP05252295A patent/EP1591623B1/en active Active
- 2005-04-13 DE DE602005021428T patent/DE602005021428D1/de active Active
- 2005-04-15 JP JP2005118008A patent/JP4177351B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-30 US US11/479,334 patent/US7836596B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015513044A (ja) * | 2012-04-09 | 2015-04-30 | ユナイテッド テクノロジーズ コーポレイションUnited Technologies Corporation | ターボ機械のシャフト機構 |
Also Published As
Publication number | Publication date |
---|---|
US7836596B2 (en) | 2010-11-23 |
EP1591623B1 (en) | 2010-05-26 |
US7147436B2 (en) | 2006-12-12 |
US20070107219A1 (en) | 2007-05-17 |
EP1591623A3 (en) | 2006-09-27 |
US20050232774A1 (en) | 2005-10-20 |
DE602005021428D1 (de) | 2010-07-08 |
EP1591623A2 (en) | 2005-11-02 |
JP4177351B2 (ja) | 2008-11-05 |
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