RU2264541C2 - Способ модификации лопатки ротора для паровой турбины, лопатка ротора для паровой турбины и многоступенчатая паровая турбина - Google Patents
Способ модификации лопатки ротора для паровой турбины, лопатка ротора для паровой турбины и многоступенчатая паровая турбина Download PDFInfo
- Publication number
- RU2264541C2 RU2264541C2 RU2003137880/06A RU2003137880A RU2264541C2 RU 2264541 C2 RU2264541 C2 RU 2264541C2 RU 2003137880/06 A RU2003137880/06 A RU 2003137880/06A RU 2003137880 A RU2003137880 A RU 2003137880A RU 2264541 C2 RU2264541 C2 RU 2264541C2
- Authority
- RU
- Russia
- Prior art keywords
- blade
- rotor
- rotor blade
- side wall
- edge
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000012986 modification Methods 0.000 title description 2
- 230000004048 modification Effects 0.000 title description 2
- 238000012360 testing method Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000011089 mechanical engineering Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000001991 scapula Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000002074 deregulated effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000012795 verification 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/334,431 | 2002-12-30 | ||
| US10/334,431 US6814543B2 (en) | 2002-12-30 | 2002-12-30 | Method and apparatus for bucket natural frequency tuning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2003137880A RU2003137880A (ru) | 2005-06-10 |
| RU2264541C2 true RU2264541C2 (ru) | 2005-11-20 |
Family
ID=32507377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2003137880/06A RU2264541C2 (ru) | 2002-12-30 | 2003-12-29 | Способ модификации лопатки ротора для паровой турбины, лопатка ротора для паровой турбины и многоступенчатая паровая турбина |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6814543B2 (https=) |
| JP (1) | JP4721638B2 (https=) |
| DE (1) | DE10359917A1 (https=) |
| RU (1) | RU2264541C2 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2472943C2 (ru) * | 2007-07-16 | 2013-01-20 | Нуово Пиньоне Холдинг Спа | Вращающаяся лопатка паровой турбины (варианты) |
| RU2472944C2 (ru) * | 2007-07-16 | 2013-01-20 | Нуово Пиньоне Холдинг Спа | Вращающаяся лопатка для паровой турбины (варианты) |
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| US8075272B2 (en) * | 2008-10-14 | 2011-12-13 | General Electric Company | Steam turbine rotating blade for a low pressure section of a steam turbine engine |
| US8118557B2 (en) * | 2009-03-25 | 2012-02-21 | General Electric Company | Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application |
| US7997873B2 (en) * | 2009-03-27 | 2011-08-16 | General Electric Company | High efficiency last stage bucket for steam turbine |
| US8419370B2 (en) * | 2009-06-25 | 2013-04-16 | Rolls-Royce Corporation | Retaining and sealing ring assembly |
| US8469670B2 (en) * | 2009-08-27 | 2013-06-25 | Rolls-Royce Corporation | Fan assembly |
| US8435006B2 (en) * | 2009-09-30 | 2013-05-07 | Rolls-Royce Corporation | Fan |
| US8735782B2 (en) * | 2010-04-22 | 2014-05-27 | General Electric Company | System for forming brazed joint between tie wire and workpiece, and methods therefor |
| CN102434223B (zh) * | 2011-12-13 | 2014-08-20 | 杭州汽轮机股份有限公司 | 大流量空冷汽轮机低压级组末级叶片 |
| US8936435B2 (en) | 2011-12-16 | 2015-01-20 | General Electric Company | System and method for root loss reduction in wind turbine blades |
| WO2013110367A1 (de) * | 2012-01-25 | 2013-08-01 | Siemens Aktiengesellschaft | Rotor für eine strömungsmaschine |
| US9151167B2 (en) | 2012-02-10 | 2015-10-06 | General Electric Company | Turbine assembly |
| EP2685050B1 (en) | 2012-07-11 | 2017-02-01 | General Electric Technology GmbH | Stationary vane assembly for an axial flow turbine |
| US10982551B1 (en) | 2012-09-14 | 2021-04-20 | Raytheon Technologies Corporation | Turbomachine blade |
| US10215032B2 (en) | 2012-10-29 | 2019-02-26 | General Electric Company | Blade having a hollow part span shroud |
| US9328619B2 (en) | 2012-10-29 | 2016-05-03 | General Electric Company | Blade having a hollow part span shroud |
| EP2762678A1 (de) * | 2013-02-05 | 2014-08-06 | Siemens Aktiengesellschaft | Verfahren zum Verstimmen eines Laufschaufelgitters |
| US10465531B2 (en) | 2013-02-21 | 2019-11-05 | General Electric Company | Turbine blade tip shroud and mid-span snubber with compound contact angle |
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| US11047397B2 (en) | 2014-01-24 | 2021-06-29 | Raytheon Technologies Corporation | Gas turbine engine stator vane mistuning |
| US10443391B2 (en) | 2014-05-23 | 2019-10-15 | United Technologies Corporation | Gas turbine engine stator vane asymmetry |
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| GB201511416D0 (en) * | 2015-06-30 | 2015-08-12 | Napier Turbochargers Ltd | Turbomachinery rotor blade |
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| JP7808948B2 (ja) | 2021-10-25 | 2026-01-30 | 三菱重工業株式会社 | 翼、及びブリスク翼 |
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| US12385400B2 (en) | 2022-04-29 | 2025-08-12 | Pratt & Whitney Canada Corp. | Method of manufacturing a mistuned rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772854A (en) * | 1951-02-27 | 1956-12-04 | Rateau Soc | Vibration damping means for bladings of turbo-machines |
| US3677662A (en) * | 1970-10-09 | 1972-07-18 | Avco Corp | Multilayer ring damped turbomachine rotor assembly |
| US4108573A (en) * | 1977-01-26 | 1978-08-22 | Westinghouse Electric Corp. | Vibratory tuning of rotatable blades for elastic fluid machines |
| SU1477253A3 (ru) * | 1985-05-31 | 1989-04-30 | Ббц Аг Браун,Бовери Унд Ко. (Фирма) | Демпфирующий элемент турбомашины |
| US4967550A (en) * | 1987-04-28 | 1990-11-06 | Rolls-Royce Plc | Active control of unsteady motion phenomena in turbomachinery |
| RU2094618C1 (ru) * | 1995-08-30 | 1997-10-27 | Валентин Иванович Акимов | Устройство для диагностики автоколебаний рабочего колеса турбомашины |
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| JPS54114619A (en) * | 1978-02-28 | 1979-09-06 | Toshiba Corp | Natural frequency adjusting method of turbine blade |
| CA1295018C (en) * | 1987-09-23 | 1992-01-28 | Westinghouse Electric Corporation | Method and apparatus for determining resonant frequency of a turbine blade made of a material not responsive to a magnetic field |
| US4878810A (en) * | 1988-05-20 | 1989-11-07 | Westinghouse Electric Corp. | Turbine blades having alternating resonant frequencies |
| US5116200A (en) | 1990-06-28 | 1992-05-26 | General Electric Company | Apparatus and methods for minimizing vibrational stresses in axial flow turbines |
| US5480285A (en) | 1993-08-23 | 1996-01-02 | Westinghouse Electric Corporation | Steam turbine blade |
| US5393200A (en) | 1994-04-04 | 1995-02-28 | General Electric Co. | Bucket for the last stage of turbine |
| US5509784A (en) | 1994-07-27 | 1996-04-23 | General Electric Co. | Turbine bucket and wheel assembly with integral bucket shroud |
| JP3178327B2 (ja) | 1996-01-31 | 2001-06-18 | 株式会社日立製作所 | 蒸気タービン |
| JPH1054204A (ja) | 1996-05-20 | 1998-02-24 | General Electric Co <Ge> | ガスタービン用の多構成部翼 |
| GB9618096D0 (en) * | 1996-08-29 | 1996-10-09 | Rolls Royce Plc | Identification of resonant frequencies of vibration of rotating blades |
| US5820348A (en) | 1996-09-17 | 1998-10-13 | Fricke; J. Robert | Damping system for vibrating members |
| US5931641A (en) | 1997-04-25 | 1999-08-03 | General Electric Company | Steam turbine blade having areas of different densities |
| DE19719406C1 (de) | 1997-05-12 | 1998-11-19 | Voith Hydro Gmbh & Co Kg | Verfahren zum Betreiben einer hydraulischen Maschine |
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| JP2001027103A (ja) * | 1999-07-14 | 2001-01-30 | Ishikawajima Harima Heavy Ind Co Ltd | ターボ機械の静翼構造 |
| US6415206B1 (en) | 2000-02-24 | 2002-07-02 | Simmonds Precision Products, Inc. | Method for determining a minimal set of rotor blade adjustments |
| US6471482B2 (en) | 2000-11-30 | 2002-10-29 | United Technologies Corporation | Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability |
| US6428278B1 (en) * | 2000-12-04 | 2002-08-06 | United Technologies Corporation | Mistuned rotor blade array for passive flutter control |
| US6435834B1 (en) | 2001-01-31 | 2002-08-20 | General Electric Company | Bucket and wheel dovetail connection for turbine rotors |
| JP2002266602A (ja) * | 2001-03-06 | 2002-09-18 | Hitachi Ltd | 蒸気タービンの動翼 |
-
2002
- 2002-12-30 US US10/334,431 patent/US6814543B2/en not_active Expired - Lifetime
-
2003
- 2003-12-18 DE DE10359917A patent/DE10359917A1/de not_active Ceased
- 2003-12-26 JP JP2003432087A patent/JP4721638B2/ja not_active Expired - Lifetime
- 2003-12-29 RU RU2003137880/06A patent/RU2264541C2/ru not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772854A (en) * | 1951-02-27 | 1956-12-04 | Rateau Soc | Vibration damping means for bladings of turbo-machines |
| US3677662A (en) * | 1970-10-09 | 1972-07-18 | Avco Corp | Multilayer ring damped turbomachine rotor assembly |
| US4108573A (en) * | 1977-01-26 | 1978-08-22 | Westinghouse Electric Corp. | Vibratory tuning of rotatable blades for elastic fluid machines |
| SU1477253A3 (ru) * | 1985-05-31 | 1989-04-30 | Ббц Аг Браун,Бовери Унд Ко. (Фирма) | Демпфирующий элемент турбомашины |
| US4967550A (en) * | 1987-04-28 | 1990-11-06 | Rolls-Royce Plc | Active control of unsteady motion phenomena in turbomachinery |
| RU2094618C1 (ru) * | 1995-08-30 | 1997-10-27 | Валентин Иванович Акимов | Устройство для диагностики автоколебаний рабочего колеса турбомашины |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2472943C2 (ru) * | 2007-07-16 | 2013-01-20 | Нуово Пиньоне Холдинг Спа | Вращающаяся лопатка паровой турбины (варианты) |
| RU2472944C2 (ru) * | 2007-07-16 | 2013-01-20 | Нуово Пиньоне Холдинг Спа | Вращающаяся лопатка для паровой турбины (варианты) |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4721638B2 (ja) | 2011-07-13 |
| DE10359917A1 (de) | 2004-07-08 |
| RU2003137880A (ru) | 2005-06-10 |
| US20040126235A1 (en) | 2004-07-01 |
| JP2004211705A (ja) | 2004-07-29 |
| US6814543B2 (en) | 2004-11-09 |
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