CN104343472B - 具有改进的密封的涡轮叶片和涡轮 - Google Patents
具有改进的密封的涡轮叶片和涡轮 Download PDFInfo
- Publication number
- CN104343472B CN104343472B CN201410371791.9A CN201410371791A CN104343472B CN 104343472 B CN104343472 B CN 104343472B CN 201410371791 A CN201410371791 A CN 201410371791A CN 104343472 B CN104343472 B CN 104343472B
- Authority
- CN
- China
- Prior art keywords
- groove
- blade
- heat shield
- platform
- turbine
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 28
- 239000002826 coolant Substances 0.000 description 27
- 210000002683 foot Anatomy 0.000 description 27
- 238000001816 cooling Methods 0.000 description 7
- 238000010926 purge Methods 0.000 description 7
- 230000035882 stress Effects 0.000 description 7
- 230000008646 thermal stress Effects 0.000 description 7
- 244000050510 Cunninghamia lanceolata Species 0.000 description 6
- 208000002925 dental caries Diseases 0.000 description 4
- 241000264877 Hippospongia communis Species 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010011376 Crepitations Diseases 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
-
- 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
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
- F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13178679.0A EP2832952A1 (en) | 2013-07-31 | 2013-07-31 | Turbine blade and turbine with improved sealing |
EP13178679.0 | 2013-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104343472A CN104343472A (zh) | 2015-02-11 |
CN104343472B true CN104343472B (zh) | 2017-05-31 |
Family
ID=48877149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410371791.9A Expired - Fee Related CN104343472B (zh) | 2013-07-31 | 2014-07-31 | 具有改进的密封的涡轮叶片和涡轮 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9816393B2 (zh) |
EP (1) | EP2832952A1 (zh) |
JP (1) | JP5920850B2 (zh) |
KR (1) | KR101648732B1 (zh) |
CN (1) | CN104343472B (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6554882B2 (ja) * | 2015-04-07 | 2019-08-07 | 株式会社Ihi | シールド部材及びそれを用いたジェットエンジン |
EP3109402A1 (en) * | 2015-06-26 | 2016-12-28 | Alstom Technology Ltd | Method for cooling a turboengine rotor, and turboengine rotor |
US10301945B2 (en) * | 2015-12-18 | 2019-05-28 | General Electric Company | Interior cooling configurations in turbine rotor blades |
US9845690B1 (en) | 2016-06-03 | 2017-12-19 | General Electric Company | System and method for sealing flow path components with front-loaded seal |
EP3489464B1 (en) | 2016-07-25 | 2021-09-08 | IHI Corporation | Seal structure for gas turbine rotor blade |
EP3438410B1 (en) | 2017-08-01 | 2021-09-29 | General Electric Company | Sealing system for a rotary machine |
FR3070716B1 (fr) * | 2017-09-06 | 2020-10-02 | Safran Aircraft Engines | Languette d'etancheite de segments de stator |
FR3070718B1 (fr) * | 2017-09-06 | 2019-08-23 | Safran Aircraft Engines | Ensemble de turbine a secteurs d'anneau |
EP3498980B1 (en) * | 2017-12-15 | 2021-02-17 | Ansaldo Energia Switzerland AG | Shiplap seal arrangement |
US10655489B2 (en) | 2018-01-04 | 2020-05-19 | General Electric Company | Systems and methods for assembling flow path components |
US11231175B2 (en) * | 2018-06-19 | 2022-01-25 | General Electric Company | Integrated combustor nozzles with continuously curved liner segments |
US11248705B2 (en) | 2018-06-19 | 2022-02-15 | General Electric Company | Curved seal with relief cuts for adjacent gas turbine components |
US11047248B2 (en) | 2018-06-19 | 2021-06-29 | General Electric Company | Curved seal for adjacent gas turbine components |
US11566528B2 (en) | 2019-12-20 | 2023-01-31 | General Electric Company | Rotor blade sealing structures |
US11299992B2 (en) | 2020-03-25 | 2022-04-12 | General Electric Company | Rotor blade damping structures |
US11519284B2 (en) * | 2020-06-02 | 2022-12-06 | General Electric Company | Turbine engine with a floating interstage seal |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3551068A (en) | 1968-10-25 | 1970-12-29 | Westinghouse Electric Corp | Rotor structure for an axial flow machine |
US3974646A (en) | 1974-06-11 | 1976-08-17 | United Technologies Corporation | Turbofan engine with augmented combustion chamber using vorbix principle |
JP2961065B2 (ja) | 1995-03-17 | 1999-10-12 | 三菱重工業株式会社 | ガスタービン動翼 |
US5827047A (en) * | 1996-06-27 | 1998-10-27 | United Technologies Corporation | Turbine blade damper and seal |
JP2000230401A (ja) | 1999-02-09 | 2000-08-22 | Mitsubishi Heavy Ind Ltd | ガスタービン動翼 |
DE19940525A1 (de) | 1999-08-26 | 2001-03-01 | Asea Brown Boveri | Wärmestaueinheit für eine Rotoranordnung |
US6390775B1 (en) | 2000-12-27 | 2002-05-21 | General Electric Company | Gas turbine blade with platform undercut |
EP1371814A1 (en) * | 2002-06-11 | 2003-12-17 | ALSTOM (Switzerland) Ltd | Sealing arrangement for a rotor of a turbomachine |
US6761536B1 (en) * | 2003-01-31 | 2004-07-13 | Power Systems Mfg, Llc | Turbine blade platform trailing edge undercut |
US6951447B2 (en) | 2003-12-17 | 2005-10-04 | United Technologies Corporation | Turbine blade with trailing edge platform undercut |
DE502007005296D1 (de) * | 2006-12-19 | 2010-11-18 | Alstom Technology Ltd | Strömungsmaschine, insbesondere gasturbine |
EP2039886B1 (en) * | 2007-09-24 | 2010-06-23 | ALSTOM Technology Ltd | Seal in gas turbine |
WO2011054766A2 (en) | 2009-11-07 | 2011-05-12 | Alstom Technology Ltd | Reheat burner injection system |
EP2496880B1 (en) | 2009-11-07 | 2018-12-05 | Ansaldo Energia Switzerland AG | Reheat burner injection system |
CN202370590U (zh) | 2011-11-25 | 2012-08-08 | 中国航空动力机械研究所 | 涡轮叶片结构 |
-
2013
- 2013-07-31 EP EP13178679.0A patent/EP2832952A1/en not_active Withdrawn
-
2014
- 2014-07-21 US US14/336,152 patent/US9816393B2/en not_active Expired - Fee Related
- 2014-07-29 KR KR1020140096314A patent/KR101648732B1/ko active IP Right Grant
- 2014-07-31 JP JP2014156402A patent/JP5920850B2/ja not_active Expired - Fee Related
- 2014-07-31 CN CN201410371791.9A patent/CN104343472B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20150015389A (ko) | 2015-02-10 |
CN104343472A (zh) | 2015-02-11 |
US9816393B2 (en) | 2017-11-14 |
JP2015031289A (ja) | 2015-02-16 |
KR101648732B1 (ko) | 2016-08-17 |
JP5920850B2 (ja) | 2016-05-18 |
US20150037167A1 (en) | 2015-02-05 |
EP2832952A1 (en) | 2015-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Baden, Switzerland Applicant after: ALSTOM TECHNOLOGY LTD Address before: Baden, Switzerland Applicant before: Alstom Technology Ltd. |
|
COR | Change of bibliographic data | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171123 Address after: London, England Patentee after: Security energy UK Intellectual Property Ltd Address before: Baden, Switzerland Patentee before: ALSTOM TECHNOLOGY LTD |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20180731 |
|
CF01 | Termination of patent right due to non-payment of annual fee |