JP2008038910A - タービンブレード先端シュラウド - Google Patents
タービンブレード先端シュラウド Download PDFInfo
- Publication number
- JP2008038910A JP2008038910A JP2007201991A JP2007201991A JP2008038910A JP 2008038910 A JP2008038910 A JP 2008038910A JP 2007201991 A JP2007201991 A JP 2007201991A JP 2007201991 A JP2007201991 A JP 2007201991A JP 2008038910 A JP2008038910 A JP 2008038910A
- Authority
- JP
- Japan
- Prior art keywords
- tip shroud
- millimeters
- turbine blade
- blade tip
- shaped notch
- 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.)
- Granted
Links
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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
-
- 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
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/183—Two-dimensional patterned zigzag
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】本先端シュラウド(100)は、プラットフォーム(110)と、プラットフォーム(110)内に配置された幾つかのZ字形ノッチ(140、150)と、プラットフォーム(110)上に配置された幾つかのシールレール(120、130)と、プラットフォーム(110)内にかつシールレール(120、130)及びZ字形ノッチ(140、150)に隣接して配置された幾つかのキャビティ(160、170)とを含むことができる。
【選択図】 図1
Description
20 タービンディスク
30 根元セクション
40 プラットフォームセクション
50 翼形部セクション
60 先端シュラウド
70 プラットフォーム
80 シールレール
90 Z字形ノッチ
100 先端シュラウド
110 プラットフォーム
120 正圧側シールレール
130 負圧側シールレール
140 第1の側面Z字形ノッチ
150 第2の側面Z字形ノッチ
160 正圧側キャビティ
170 負圧側キャビティ
Claims (9)
- その中に複数のZ字形ノッチ(140、150)を有するプラットフォーム(110)と、
前記プラットフォーム(110)上に配置された複数のシールレール(120、130)と、
前記プラットフォーム(110)内にかつ前記複数のシールレール(120、130)及び複数のZ字形ノッチ(140、150)に隣接して配置された複数のキャビティ(160、170)と、
を含むタービンブレード先端シュラウド(100)。 - 前記複数のシールレール(120、130)が、正圧側シールレール(120)と負圧側シールレール(130)とを含む、請求項1記載のタービンブレード先端シュラウド(100)。
- 前記複数のキャビティ(160、170)が、少なくとも1.72ミリメートルの厚さを含む、請求項1記載のタービンブレード先端シュラウド(100)。
- 前記複数のキャビティ(160、170)が、前記複数のZ字形ノッチ(140、150)から少なくとも2.0ミリメートルに配置される、請求項1記載のタービンブレード先端シュラウド(100)。
- 前記複数のキャビティ(160、170)が、前記正圧側シールレール(120)に隣接して配置された正圧側キャビティ(160)と前記負圧側シールレール(130)に隣接して配置された負圧側キャビティ(170)とを含む、請求項1記載のタービンブレード先端シュラウド(100)。
- 前記複数のZ字形ノッチ(140、150)が、第1の側面Z字形ノッチ(140)と第2の側面Z字形ノッチ(150)とを含む、請求項5記載のタービンブレード先端シュラウド(100)。
- 前記正圧側キャビティ(160)が、22.32ミリメートルの長さと、前記第1の側面Z字形ノッチ(140)に隣接した5.97ミリメートルの幅と、前記第1の側面Z字形ノッチ(140)の反対側における3.46ミリメートルの幅とを含む、請求項6記載のタービンブレード先端シュラウド(100)。
- 前記負圧側キャビティ(170)が、21.5ミリメートルの長さと、前記第2の側面Z字形ノッチ(150)に隣接した3.97ミリメートルの幅と、前記第2の側面Z字形ノッチ(150)の反対側における3.03ミリメートルの幅とを含む、請求項6記載のタービンブレード先端シュラウド(100)。
- 前記複数のキャビティ(160、170)が、全体にわたって均一な深さを含む、請求項1記載のタービンブレード先端シュラウド(100)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/462,072 US7762779B2 (en) | 2006-08-03 | 2006-08-03 | Turbine blade tip shroud |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008038910A true JP2008038910A (ja) | 2008-02-21 |
JP4642819B2 JP4642819B2 (ja) | 2011-03-02 |
Family
ID=38885173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007201991A Active JP4642819B2 (ja) | 2006-08-03 | 2007-08-02 | タービンブレード先端シュラウド |
Country Status (7)
Country | Link |
---|---|
US (1) | US7762779B2 (ja) |
JP (1) | JP4642819B2 (ja) |
KR (1) | KR20080012775A (ja) |
CN (1) | CN101117897B (ja) |
CH (1) | CH701290B1 (ja) |
DE (1) | DE102007035236A1 (ja) |
RU (1) | RU2351769C1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020215279A1 (de) | 2020-01-10 | 2021-07-15 | Mitsubishi Heavy Industries, Ltd. | Rotorschaufel und rotierende Axialströmungsmaschine |
US11125086B2 (en) | 2019-10-04 | 2021-09-21 | Mitsubishi Heavy Industries, Ltd. | Rotor blade and axial flow rotating machine with the same |
US11959392B2 (en) | 2020-10-06 | 2024-04-16 | Mitsubishi Heavy Industries, Ltd. | Rotor blade |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2923524B1 (fr) * | 2007-11-12 | 2013-12-06 | Snecma | Aube metallique fabriquee par moulage et procede de fabrication de l'aube |
DE102008023326A1 (de) * | 2008-05-13 | 2009-11-19 | Mtu Aero Engines Gmbh | Deckband für Laufschaufeln einer Strömungsmaschine und Strömungsmaschine |
GB0911330D0 (en) * | 2009-07-01 | 2009-08-12 | Rolls Royce Plc | Actuatable seal for aerofoil blade tip |
US8317465B2 (en) * | 2009-07-02 | 2012-11-27 | General Electric Company | Systems and apparatus relating to turbine engines and seals for turbine engines |
US8371816B2 (en) * | 2009-07-31 | 2013-02-12 | General Electric Company | Rotor blades for turbine engines |
US20110070072A1 (en) * | 2009-09-23 | 2011-03-24 | General Electric Company | Rotary machine tip clearance control mechanism |
DE102009049649A1 (de) | 2009-10-15 | 2011-04-21 | Abb Turbo Systems Ag | Turbinenrad |
FR2967714B1 (fr) * | 2010-11-22 | 2012-12-14 | Snecma | Aube mobile de turbomachine |
US9163519B2 (en) | 2011-07-28 | 2015-10-20 | General Electric Company | Cap for ceramic blade tip shroud |
US8807928B2 (en) | 2011-10-04 | 2014-08-19 | General Electric Company | Tip shroud assembly with contoured seal rail fillet |
US9127560B2 (en) * | 2011-12-01 | 2015-09-08 | General Electric Company | Cooled turbine blade and method for cooling a turbine blade |
US9840917B2 (en) * | 2011-12-13 | 2017-12-12 | United Technologies Corporation | Stator vane shroud having an offset |
FR3001759B1 (fr) * | 2013-02-07 | 2015-01-16 | Snecma | Rouge aubagee de turbomachine |
US9683446B2 (en) | 2013-03-07 | 2017-06-20 | Rolls-Royce Energy Systems, Inc. | Gas turbine engine shrouded blade |
US9903210B2 (en) * | 2013-05-21 | 2018-02-27 | Siemens Energy, Inc. | Turbine blade tip shroud |
EP3060763B1 (en) * | 2013-10-21 | 2020-04-15 | United Technologies Corporation | Incident tolerant turbine vane gap flow discouragement |
CN104454026A (zh) * | 2014-11-09 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | 一种航空发动机转子叶片锯齿冠 |
US10648346B2 (en) * | 2016-07-06 | 2020-05-12 | General Electric Company | Shroud configurations for turbine rotor blades |
US10519783B2 (en) | 2016-12-22 | 2019-12-31 | General Electric Company | Method for modifying a shroud and blade |
US10513934B2 (en) | 2017-01-19 | 2019-12-24 | General Electric Company | Z-notch shape for a turbine blade tip shroud |
US10577940B2 (en) | 2017-01-31 | 2020-03-03 | General Electric Company | Turbomachine rotor blade |
US10494934B2 (en) | 2017-02-14 | 2019-12-03 | General Electric Company | Turbine blades having shank features |
US10683765B2 (en) | 2017-02-14 | 2020-06-16 | General Electric Company | Turbine blades having shank features and methods of fabricating the same |
US10400610B2 (en) * | 2017-02-14 | 2019-09-03 | General Electric Company | Turbine blade having a tip shroud notch |
US10526899B2 (en) * | 2017-02-14 | 2020-01-07 | General Electric Company | Turbine blade having a tip shroud |
US10947898B2 (en) | 2017-02-14 | 2021-03-16 | General Electric Company | Undulating tip shroud for use on a turbine blade |
US10731480B2 (en) * | 2017-03-17 | 2020-08-04 | Rolls-Royce Corporation | Varying seal rail fillet for turbine blades |
US10815811B2 (en) | 2017-11-28 | 2020-10-27 | General Electric Company | Rotatable component for turbomachines, including a non-axisymmetric overhanging portion |
US10683759B2 (en) | 2018-03-23 | 2020-06-16 | General Electric Company | Edge profiles for tip shrouds of turbine rotor blades |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US6491498B1 (en) * | 2001-10-04 | 2002-12-10 | Power Systems Mfg, Llc. | Turbine blade pocket shroud |
US20050111978A1 (en) * | 2003-11-21 | 2005-05-26 | Strohl J. P. | Turbine blade airfoil having improved creep capability |
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US5971710A (en) * | 1997-10-17 | 1999-10-26 | United Technologies Corporation | Turbomachinery blade or vane with a permanent machining datum |
US6164916A (en) * | 1998-11-02 | 2000-12-26 | General Electric Company | Method of applying wear-resistant materials to turbine blades, and turbine blades having wear-resistant materials |
RU2161257C2 (ru) | 1999-01-27 | 2000-12-27 | Открытое акционерное общество "Авиадвигатель" | Рабочая лопатка турбины газотурбинного двигателя |
DE20023475U1 (de) | 1999-08-18 | 2004-05-06 | Kabushiki Kaisha Toshiba, Kawasaki | Laufschaufelvorrichtung für eine Turbine |
EP1413712A1 (de) | 2002-10-21 | 2004-04-28 | Siemens Aktiengesellschaft | Turbinenschaufel mit Deckband und Dichtrippe |
US7001144B2 (en) * | 2003-02-27 | 2006-02-21 | General Electric Company | Gas turbine and method for reducing bucket tip shroud creep rate |
US6893216B2 (en) * | 2003-07-17 | 2005-05-17 | General Electric Company | Turbine bucket tip shroud edge profile |
US6877686B2 (en) | 2003-07-19 | 2005-04-12 | Penn Fishing Tackle Manufacturing Co. | Locking drag cover |
US6851931B1 (en) * | 2003-08-13 | 2005-02-08 | General Electric Company | Turbine bucket tip shroud edge profile |
US7001152B2 (en) * | 2003-10-09 | 2006-02-21 | Pratt & Wiley Canada Corp. | Shrouded turbine blades with locally increased contact faces |
US7396205B2 (en) * | 2004-01-31 | 2008-07-08 | United Technologies Corporation | Rotor blade for a rotary machine |
US7094032B2 (en) * | 2004-02-26 | 2006-08-22 | Richard Seleski | Turbine blade shroud cutter tip |
US7527477B2 (en) * | 2006-07-31 | 2009-05-05 | General Electric Company | Rotor blade and method of fabricating same |
-
2006
- 2006-08-03 US US11/462,072 patent/US7762779B2/en active Active
-
2007
- 2007-07-27 CH CH01207/07A patent/CH701290B1/de not_active IP Right Cessation
- 2007-07-27 DE DE102007035236A patent/DE102007035236A1/de not_active Ceased
- 2007-08-02 JP JP2007201991A patent/JP4642819B2/ja active Active
- 2007-08-02 RU RU2007129732/06A patent/RU2351769C1/ru active
- 2007-08-02 KR KR1020070077624A patent/KR20080012775A/ko active Search and Examination
- 2007-08-03 CN CN2007101399150A patent/CN101117897B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6491498B1 (en) * | 2001-10-04 | 2002-12-10 | Power Systems Mfg, Llc. | Turbine blade pocket shroud |
US20050111978A1 (en) * | 2003-11-21 | 2005-05-26 | Strohl J. P. | Turbine blade airfoil having improved creep capability |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11125086B2 (en) | 2019-10-04 | 2021-09-21 | Mitsubishi Heavy Industries, Ltd. | Rotor blade and axial flow rotating machine with the same |
DE102020215279A1 (de) | 2020-01-10 | 2021-07-15 | Mitsubishi Heavy Industries, Ltd. | Rotorschaufel und rotierende Axialströmungsmaschine |
US11313249B2 (en) | 2020-01-10 | 2022-04-26 | Mitsubishi Heavy Industries, Ltd. | Rotor blade and axial-flow rotary machine |
US11959392B2 (en) | 2020-10-06 | 2024-04-16 | Mitsubishi Heavy Industries, Ltd. | Rotor blade |
Also Published As
Publication number | Publication date |
---|---|
RU2351769C1 (ru) | 2009-04-10 |
CN101117897A (zh) | 2008-02-06 |
DE102007035236A1 (de) | 2008-02-07 |
CN101117897B (zh) | 2012-02-08 |
JP4642819B2 (ja) | 2011-03-02 |
KR20080012775A (ko) | 2008-02-12 |
CH701290B1 (de) | 2010-12-31 |
US7762779B2 (en) | 2010-07-27 |
US20080038116A1 (en) | 2008-02-14 |
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