JP2011038515A - タービン端部壁冷却構成 - Google Patents
タービン端部壁冷却構成 Download PDFInfo
- Publication number
- JP2011038515A JP2011038515A JP2010179139A JP2010179139A JP2011038515A JP 2011038515 A JP2011038515 A JP 2011038515A JP 2010179139 A JP2010179139 A JP 2010179139A JP 2010179139 A JP2010179139 A JP 2010179139A JP 2011038515 A JP2011038515 A JP 2011038515A
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- passage
- airfoil
- cooling medium
- positive pressure
- 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
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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- Y10T29/49336—Blade making
- Y10T29/49339—Hollow blade
- Y10T29/49341—Hollow blade with cooling passage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】本翼形部(30)は、それぞれの半径方向端部(31)間で延びることができかつ前縁(35)及び後縁(36)において接合して翼形部内部(37)を画成する対向する負圧及び正圧表面(33)及び(34)を含む。正圧表面(34)は、それによって翼形部内部(37)から冷却媒体を送給できる通路(50)をさらに画成するように構成される。
【選択図】 図1
Description
20 プラットフォーム
21 表面
25 表面部分
30 翼形部
31 端部
33 負圧表面
34 正圧表面
35 前縁
36 後縁
37 内部
40 冷却回路
50 通路
DP 周辺方向
DD 下流方向
60 流線
70 フィレット
71 外側寄り端部
Claims (10)
- 表面(21)を備えたプラットフォーム(20)と、
表面(21)に取付け可能な複数の翼形部(30)であって、その表面の一部分(25)が隣り合う翼形部(30)の端部(31)間に配置される翼形部(30)と
を含むタービン(10)であって、
翼形部(30)の各々が、それぞれの前縁(35)及び後縁(36)でつながって翼形部内部(37)を画成する対向する負圧及び正圧表面(33)及び(34)を含み、正圧表面(34)が、それによって翼形部内部(37)から表面部分(25)の1つに向けて冷却媒体を送給できる通路(50)を画成するように構成される、
タービン(10)。 - 通路(50)が後縁(36)よりも前縁(35)に近接している、請求項1記載のタービン(10)。
- 正圧表面(34)が複数通路(50)を画成するように構成される、請求項1記載のタービン(10)。
- 複数通路(50)が前縁(35)から下流方向に配列される、請求項3記載のタービン(10)。
- 通路(50)がほぼ管状形状である、請求項1記載のタービン(10)。
- 通路(50)が不規則断面形状を有する、請求項1記載のタービン(10)。
- 通路(50)が正圧表面(34)から離れる方向に周辺方向に冷却媒体を導く、請求項1記載のタービン(10)。
- 冷却媒体が通路直行流によって同伴される、請求項1記載のタービン(10)。
- 冷却媒体が表面部分(25)の1つのセクションを覆う、請求項1記載のタービン(10)。
- 冷却媒体が、翼形部(30)の内部で延びることができる冷却回路(40)から供給された冷却空気を含む、請求項1記載のタービン(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/538,923 US8727726B2 (en) | 2009-08-11 | 2009-08-11 | Turbine endwall cooling arrangement |
US12/538,923 | 2009-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011038515A true JP2011038515A (ja) | 2011-02-24 |
JP5856731B2 JP5856731B2 (ja) | 2016-02-10 |
Family
ID=43448475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010179139A Expired - Fee Related JP5856731B2 (ja) | 2009-08-11 | 2010-08-10 | タービン端部壁冷却構成 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8727726B2 (ja) |
JP (1) | JP5856731B2 (ja) |
CN (1) | CN101994525B (ja) |
CH (1) | CH701617B1 (ja) |
DE (1) | DE102010036872A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110146075A1 (en) * | 2009-12-18 | 2011-06-23 | Brian Thomas Hazel | Methods for making a turbine blade |
US8845272B2 (en) * | 2011-02-25 | 2014-09-30 | General Electric Company | Turbine shroud and a method for manufacturing the turbine shroud |
US20130052035A1 (en) * | 2011-08-24 | 2013-02-28 | General Electric Company | Axially cooled airfoil |
WO2015099869A2 (en) | 2013-11-18 | 2015-07-02 | United Technologies Corporation | Variable area vane endwall treatments |
US10030524B2 (en) | 2013-12-20 | 2018-07-24 | Rolls-Royce Corporation | Machined film holes |
US9605548B2 (en) | 2014-01-02 | 2017-03-28 | Sofar Turbines Incorporated | Nozzle endwall film cooling with airfoil cooling holes |
US10370983B2 (en) | 2017-07-28 | 2019-08-06 | Rolls-Royce Corporation | Endwall cooling system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006170198A (ja) * | 2004-12-13 | 2006-06-29 | General Electric Co <Ge> | タービン段 |
JP2009144724A (ja) * | 2007-12-17 | 2009-07-02 | General Electric Co <Ge> | 発散型タービンノズル |
JP2009162228A (ja) * | 2007-12-31 | 2009-07-23 | General Electric Co <Ge> | デュプレックスタービンノズル |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1008723B1 (de) | 1998-12-10 | 2004-02-18 | ALSTOM (Switzerland) Ltd | Plattformkühlung in Turbomaschinen |
US6174134B1 (en) * | 1999-03-05 | 2001-01-16 | General Electric Company | Multiple impingement airfoil cooling |
US6435814B1 (en) * | 2000-05-16 | 2002-08-20 | General Electric Company | Film cooling air pocket in a closed loop cooled airfoil |
US6341939B1 (en) * | 2000-07-31 | 2002-01-29 | General Electric Company | Tandem cooling turbine blade |
US6514037B1 (en) * | 2001-09-26 | 2003-02-04 | General Electric Company | Method for reducing cooled turbine element stress and element made thereby |
US6830432B1 (en) * | 2003-06-24 | 2004-12-14 | Siemens Westinghouse Power Corporation | Cooling of combustion turbine airfoil fillets |
US7600972B2 (en) | 2003-10-31 | 2009-10-13 | General Electric Company | Methods and apparatus for cooling gas turbine engine rotor assemblies |
DE102004029696A1 (de) | 2004-06-15 | 2006-01-05 | Rolls-Royce Deutschland Ltd & Co Kg | Plattformkühlanordnung für den Leitschaufelkranz einer Gasturbine |
US7249933B2 (en) | 2005-01-10 | 2007-07-31 | General Electric Company | Funnel fillet turbine stage |
US7246992B2 (en) * | 2005-01-28 | 2007-07-24 | General Electric Company | High efficiency fan cooling holes for turbine airfoil |
US7300242B2 (en) * | 2005-12-02 | 2007-11-27 | Siemens Power Generation, Inc. | Turbine airfoil with integral cooling system |
US7841828B2 (en) | 2006-10-05 | 2010-11-30 | Siemens Energy, Inc. | Turbine airfoil with submerged endwall cooling channel |
US8167557B2 (en) * | 2008-08-07 | 2012-05-01 | Honeywell International Inc. | Gas turbine engine assemblies with vortex suppression and cooling film replenishment |
-
2009
- 2009-08-11 US US12/538,923 patent/US8727726B2/en not_active Expired - Fee Related
-
2010
- 2010-08-05 DE DE102010036872A patent/DE102010036872A1/de not_active Withdrawn
- 2010-08-09 CH CH01279/10A patent/CH701617B1/de not_active IP Right Cessation
- 2010-08-10 JP JP2010179139A patent/JP5856731B2/ja not_active Expired - Fee Related
- 2010-08-11 CN CN201010260539.2A patent/CN101994525B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006170198A (ja) * | 2004-12-13 | 2006-06-29 | General Electric Co <Ge> | タービン段 |
JP2009144724A (ja) * | 2007-12-17 | 2009-07-02 | General Electric Co <Ge> | 発散型タービンノズル |
JP2009162228A (ja) * | 2007-12-31 | 2009-07-23 | General Electric Co <Ge> | デュプレックスタービンノズル |
Also Published As
Publication number | Publication date |
---|---|
US20110038708A1 (en) | 2011-02-17 |
CH701617A2 (de) | 2011-02-15 |
US8727726B2 (en) | 2014-05-20 |
JP5856731B2 (ja) | 2016-02-10 |
CN101994525B (zh) | 2016-07-06 |
CH701617B1 (de) | 2014-12-15 |
CN101994525A (zh) | 2011-03-30 |
DE102010036872A1 (de) | 2011-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5856731B2 (ja) | タービン端部壁冷却構成 | |
JP6073351B2 (ja) | 正圧側に向かってオフセットされた先端部および冷却チャネルを備えるガスタービンブレード | |
JP4993726B2 (ja) | カスケード先端部バッフルエーロフォイル | |
US8215374B2 (en) | Peripheral microcircuit serpentine cooling for turbine airfoils | |
JP6924012B2 (ja) | 冷却通路を有するタービンバケット | |
JP5898898B2 (ja) | タービンロータブレードのプラットフォーム領域を冷却するための装置及び方法 | |
JP6334123B2 (ja) | 動翼及び動翼冷却方法 | |
JP7051362B2 (ja) | 正圧側蛇行キャビティを備えた部分的にラップされた後縁冷却回路 | |
JP2017122445A5 (ja) | ||
JP4637906B2 (ja) | タービンの翼と少なくとも1個の冷却通路を備えた翼車 | |
JP2005337260A (ja) | ロータブレードおよびロータブレードの冷却方法 | |
EP2607624A1 (en) | Vane for a turbomachine | |
JP2007146842A (ja) | ターボ機械の移動ブレードのための中央冷却回路 | |
JP2013139772A (ja) | タービンロータブレードのプラットフォームを冷却するための装置、システム及び/又は方法 | |
JP2014196735A5 (ja) | ||
JP2005337259A (ja) | ロータブレード | |
JP2012102726A (ja) | タービンロータブレードのプラットフォーム領域を冷却するための装置、システム、及び方法 | |
JP2005337256A (ja) | ロータブレード | |
JP2008019861A (ja) | タービンエンジン構成要素 | |
JP6849384B2 (ja) | シュラウド内に出口経路を有するタービンバケット | |
CN108026775A (zh) | 具有流动移位特征件的内部冷却的涡轮翼型件 | |
EP2917494B1 (en) | Blade for a turbomachine | |
JP2019015252A (ja) | タービン翼及びガスタービン | |
JP5591373B2 (ja) | タービン用翼およびその冷却方法 | |
US10119406B2 (en) | Blade with stress-reducing bulbous projection at turn opening of coolant passages |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130805 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140318 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140325 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140625 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20140625 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20140625 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140702 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140725 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140730 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140822 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140827 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140925 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20150331 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150730 |
|
A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20150914 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20151117 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20151214 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5856731 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |