JP4856257B2 - タービンロータのシール構造 - Google Patents
タービンロータのシール構造 Download PDFInfo
- Publication number
- JP4856257B2 JP4856257B2 JP2010067295A JP2010067295A JP4856257B2 JP 4856257 B2 JP4856257 B2 JP 4856257B2 JP 2010067295 A JP2010067295 A JP 2010067295A JP 2010067295 A JP2010067295 A JP 2010067295A JP 4856257 B2 JP4856257 B2 JP 4856257B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine rotor
- turbine
- seal structure
- thermal expansion
- protrusion
- 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
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
-
- 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
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/502—Thermal properties
- F05D2300/5021—Expansivity
- F05D2300/50212—Expansivity dissimilar
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
3 圧縮機
5 燃焼器
7 タービン
11B 高圧タービンロータ(タービンロータ)
57 アダプタリング
67 外側部材
69 内側部材
87 突起部
91 外側ラビリンスシール
93 内側ラビリンスシール
SS シール構造
Claims (4)
- ガスタービンエンジンにおけるタービンロータのシール構造であって、
タービンロータに設けられた突起部と、この突起部の径方向外側に配置され、径方向に変位可能に支持された外側部材と、前記突起部の径方向内側に配置され、径方向に変位可能に支持された内側部材とで形成されるラビリンスシールを含み、
前記内側部材の熱膨張率が、前記外側部材の熱膨張率よりも大きく設定されている、
タービンロータのシール構造。 - 請求項1において、前記内側部材の熱膨張率と前記外側部材の熱膨張率との差が、2×10−6〜6×10−6/℃の範囲内にあるタービンロータのシール構造。
- 請求項1または2において、前記外側部材の前記突起部に対向する部分に、摩耗部材が設けられているタービンロータのシール構造。
- 請求項1から3のいずれか一項において、前記内側部材の前記突起部に対向する部分に、摩耗部材が設けられているタービンロータのシール構造。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010067295A JP4856257B2 (ja) | 2010-03-24 | 2010-03-24 | タービンロータのシール構造 |
US13/636,982 US9359958B2 (en) | 2010-03-24 | 2011-03-16 | Seal mechanism for use with turbine rotor |
CA 2793966 CA2793966C (en) | 2010-03-24 | 2011-03-16 | Seal mechanism for use with turbine rotor |
PCT/JP2011/056216 WO2011118474A1 (ja) | 2010-03-24 | 2011-03-16 | タービンロータのシール構造 |
EP11759280.8A EP2551492B1 (en) | 2010-03-24 | 2011-03-16 | Seal mechanism for use with turbine rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010067295A JP4856257B2 (ja) | 2010-03-24 | 2010-03-24 | タービンロータのシール構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011196356A JP2011196356A (ja) | 2011-10-06 |
JP4856257B2 true JP4856257B2 (ja) | 2012-01-18 |
Family
ID=44673031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010067295A Active JP4856257B2 (ja) | 2010-03-24 | 2010-03-24 | タービンロータのシール構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9359958B2 (ja) |
EP (1) | EP2551492B1 (ja) |
JP (1) | JP4856257B2 (ja) |
CA (1) | CA2793966C (ja) |
WO (1) | WO2011118474A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6078353B2 (ja) * | 2013-01-23 | 2017-02-08 | 三菱日立パワーシステムズ株式会社 | ガスタービン |
US20160109025A1 (en) * | 2014-10-21 | 2016-04-21 | United Technologies Corporation | Seal ring |
EP3034801A1 (en) | 2014-10-23 | 2016-06-22 | United Technologies Corporation | Seal support structure |
US10301957B2 (en) * | 2014-12-17 | 2019-05-28 | United Technologies Corporation | Pinned seal |
GB201503480D0 (en) * | 2015-03-02 | 2015-04-15 | Rolls Royce Plc | Seal Arrangement |
EP3085900B1 (en) * | 2015-04-21 | 2020-08-05 | Ansaldo Energia Switzerland AG | Abradable lip for a gas turbine |
US20180223683A1 (en) * | 2015-07-20 | 2018-08-09 | Siemens Energy, Inc. | Gas turbine seal arrangement |
US10443422B2 (en) * | 2016-02-10 | 2019-10-15 | General Electric Company | Gas turbine engine with a rim seal between the rotor and stator |
DE102016108461B4 (de) * | 2016-05-09 | 2022-12-01 | Man Energy Solutions Se | Gasturbine |
GB2559153A (en) * | 2017-01-27 | 2018-08-01 | Rolls Royce | Multi-function component for a fan or compressor section of a gas turbine engine |
FR3071865B1 (fr) * | 2017-10-03 | 2020-11-27 | Safran Aircraft Engines | Ensemble pour une turbomachine |
JP7333144B2 (ja) | 2018-03-16 | 2023-08-24 | ジョビー エアロ インク | 航空機抗力低減システム及び内部冷却電気モータ・システム並びにこれらを使用する航空機 |
KR102048851B1 (ko) * | 2018-07-04 | 2019-11-26 | 두산중공업 주식회사 | 발전기의 팬 주변부 실링 구조 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL95131C (ja) * | 1955-11-01 | |||
US3927889A (en) * | 1973-09-18 | 1975-12-23 | Westinghouse Electric Corp | Rotating element fluid seal for centrifugal compressor |
GB2251040B (en) * | 1990-12-22 | 1994-06-22 | Rolls Royce Plc | Seal arrangement |
EP0547652A1 (en) * | 1991-12-11 | 1993-06-23 | SKF Industrial Trading & Development Co, B.V. | Water pump |
US5332358A (en) * | 1993-03-01 | 1994-07-26 | General Electric Company | Uncoupled seal support assembly |
US5503528A (en) * | 1993-12-27 | 1996-04-02 | Solar Turbines Incorporated | Rim seal for turbine wheel |
US5487549A (en) * | 1994-10-24 | 1996-01-30 | Demag Delaval Turbomachinery Corp. Turbocare Division | Turbine interfitting packing with cam adjustment |
US5562404A (en) * | 1994-12-23 | 1996-10-08 | United Technologies Corporation | Vaned passage hub treatment for cantilever stator vanes |
JPH08277701A (ja) | 1995-04-04 | 1996-10-22 | Ishikawajima Harima Heavy Ind Co Ltd | タービン静翼支持構造 |
US6357753B1 (en) * | 1999-03-16 | 2002-03-19 | Nippon Pillar Packing Co., Ltd. | Cartridge-type mechanical seal |
FR2794816B1 (fr) * | 1999-06-10 | 2001-07-06 | Snecma | Stator de compresseur a haute pression |
US6428012B1 (en) * | 2000-08-28 | 2002-08-06 | The United States Of America As Represented By The Secretary Of The Navy | Compact drive shaft floating seal system |
WO2002035072A2 (en) * | 2000-09-05 | 2002-05-02 | Sudarshan Paul Dev | Nested core gas turbine engine |
GB0028408D0 (en) * | 2000-11-22 | 2001-01-03 | Rolls Royce Plc | Seal apparatus |
US6761034B2 (en) * | 2000-12-08 | 2004-07-13 | General Electroc Company | Structural cover for gas turbine engine bolted flanges |
US6682299B2 (en) * | 2001-11-15 | 2004-01-27 | General Electric Company | Variable stator vane support arrangement |
GB0412476D0 (en) * | 2004-06-04 | 2004-07-07 | Rolls Royce Plc | Seal system |
US20060275107A1 (en) * | 2005-06-07 | 2006-12-07 | Ioannis Alvanos | Combined blade attachment and disk lug fluid seal |
US7540709B1 (en) * | 2005-10-20 | 2009-06-02 | Florida Turbine Technologies, Inc. | Box rim cavity for a gas turbine engine |
US7967559B2 (en) * | 2007-05-30 | 2011-06-28 | General Electric Company | Stator-rotor assembly having surface feature for enhanced containment of gas flow and related processes |
US8317459B2 (en) * | 2009-09-17 | 2012-11-27 | General Electric Company | Systems, methods, and apparatus for providing a magnetic seal |
-
2010
- 2010-03-24 JP JP2010067295A patent/JP4856257B2/ja active Active
-
2011
- 2011-03-16 US US13/636,982 patent/US9359958B2/en active Active
- 2011-03-16 EP EP11759280.8A patent/EP2551492B1/en active Active
- 2011-03-16 CA CA 2793966 patent/CA2793966C/en active Active
- 2011-03-16 WO PCT/JP2011/056216 patent/WO2011118474A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CA2793966A1 (en) | 2011-09-29 |
EP2551492A1 (en) | 2013-01-30 |
WO2011118474A1 (ja) | 2011-09-29 |
CA2793966C (en) | 2015-04-07 |
JP2011196356A (ja) | 2011-10-06 |
EP2551492A4 (en) | 2016-12-14 |
US20130200571A1 (en) | 2013-08-08 |
US9359958B2 (en) | 2016-06-07 |
EP2551492B1 (en) | 2020-02-26 |
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