JP2014009689A5 - - Google Patents
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- Publication number
- JP2014009689A5 JP2014009689A5 JP2013131234A JP2013131234A JP2014009689A5 JP 2014009689 A5 JP2014009689 A5 JP 2014009689A5 JP 2013131234 A JP2013131234 A JP 2013131234A JP 2013131234 A JP2013131234 A JP 2013131234A JP 2014009689 A5 JP2014009689 A5 JP 2014009689A5
- Authority
- JP
- Japan
- Prior art keywords
- stagnation
- groove section
- pressure side
- airfoil
- cooling passage
- 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
- 238000001816 cooling Methods 0.000 claims 6
- 230000003247 decreasing Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
Claims (8)
- a.内側面(16)と、
b.前記内側面(16)の反対側の外側面(18)であって、正圧側(20)、前記正圧側(20)の反対側の負圧側(22)、前記正圧側(20)と前記負圧側(22)との間の淀み線(24)、および前記正圧側(20)と前記負圧側(22)との間に、前記淀み線(24)から下流にある後縁(26)を備える外側面(18)と、
c.前記外側面(18)上の淀み溝区分(40)の縦列(42)を形成する複数の淀み溝区分(40)であって、前記淀み線(24)が各前記淀み溝区分(40)の少なくとも部分を通過し、前記複数の淀み溝区分(40)が、第2の端部から半径方向及び軸方向に隔てられた第1の端部を有する第1の淀み溝区分と、前記第1の淀み溝区分に半径方向で隣接して配置され、第2の端部から半径方向及び軸方向に隔てられた第1の端部を有する第2の淀み溝区分と、を含み、前記第1の淀み溝区分の前記第2の端部が、前記第2の淀み溝区分の前記第1の端部に対して半径方向で重なる、複数の淀み溝区分(40)と、
d.前記各淀み溝区分(40)内の少なくとも1つの冷却通路(44)であって、前記内側面(16)から前記外側面(18)に流体連通をもたらす、冷却通路(44)と
を備える、エーロフォイル(10)。 - 前記少なくとも1つの淀み溝区分(40)が、弓型である、請求項1記載のエーロフォイル(10)。
- 前記少なくとも1つの淀み溝区分(40)が、前記少なくとも1つの淀み溝区分(40)の長さ(30、32)に沿って異なる寸法を含む、請求項1乃至2のいずれか記載のエーロフォイル(10)。
- 前記少なくとも1つの淀み溝区分(40)が、減少する寸法を含み、前記少なくとも1つの淀み溝区分(40)内の前記少なくとも1つの冷却通路(44)が、前記減少する寸法の方へ屈曲している、請求項1乃至3のいずれか記載のエーロフォイル(10)。
- 前記正圧側(20)上の重なり型正圧側溝区分(46)の縦列(48)をさらに備える、請求項1乃至4のいずれか記載のエーロフォイル(10)。
- 前記負圧側(22)上の重なり型負圧側溝区分(50)の縦列(52)をさらに備える、請求項5記載のエーロフォイル(10)。
- 前記各正圧側溝区分(46)内に少なくとも1つの側面冷却通路(58)をさらに備え、前記側面冷却通路(58)が、前記内側面(16)から前記外側面(18)に流体連通をもたらす、請求項5乃至6のいずれか記載のエーロフォイル(10)。
- 前記正圧側溝区分(46)が、前記淀み溝区分(40)内の前記冷却通路(58)から半径方向にオフセットされている、請求項7記載のエーロフォイル(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/535,540 US9080451B2 (en) | 2012-06-28 | 2012-06-28 | Airfoil |
US13/535,540 | 2012-06-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014009689A JP2014009689A (ja) | 2014-01-20 |
JP2014009689A5 true JP2014009689A5 (ja) | 2016-07-28 |
JP6216166B2 JP6216166B2 (ja) | 2017-10-18 |
Family
ID=48740854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013131234A Active JP6216166B2 (ja) | 2012-06-28 | 2013-06-24 | エーロフォイル |
Country Status (5)
Country | Link |
---|---|
US (1) | US9080451B2 (ja) |
EP (1) | EP2679772B1 (ja) |
JP (1) | JP6216166B2 (ja) |
CN (1) | CN103527260B (ja) |
RU (1) | RU2611465C2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105339593B (zh) * | 2013-07-03 | 2017-10-13 | 通用电气公司 | 翼形件结构的沟槽冷却 |
JP5705945B1 (ja) * | 2013-10-28 | 2015-04-22 | ミネベア株式会社 | 遠心式ファン |
US10041356B2 (en) * | 2014-08-15 | 2018-08-07 | United Technologies Corporation | Showerhead hole scheme apparatus and system |
US20160169004A1 (en) | 2014-12-15 | 2016-06-16 | United Technologies Corporation | Cooling passages for gas turbine engine component |
US9976423B2 (en) * | 2014-12-23 | 2018-05-22 | United Technologies Corporation | Airfoil showerhead pattern apparatus and system |
US10451084B2 (en) * | 2015-11-16 | 2019-10-22 | General Electric Company | Gas turbine engine with vane having a cooling inlet |
US10280763B2 (en) * | 2016-06-08 | 2019-05-07 | Ansaldo Energia Switzerland AG | Airfoil cooling passageways for generating improved protective film |
KR101853550B1 (ko) * | 2016-08-22 | 2018-04-30 | 두산중공업 주식회사 | 가스 터빈 블레이드 |
US20180230812A1 (en) * | 2017-01-13 | 2018-08-16 | General Electric Company | Film hole arrangement for a turbine engine |
US10697301B2 (en) | 2017-04-07 | 2020-06-30 | General Electric Company | Turbine engine airfoil having a cooling circuit |
US10570747B2 (en) * | 2017-10-02 | 2020-02-25 | DOOSAN Heavy Industries Construction Co., LTD | Enhanced film cooling system |
US11401818B2 (en) * | 2018-08-06 | 2022-08-02 | General Electric Company | Turbomachine cooling trench |
CN113898415B (zh) * | 2021-10-15 | 2022-06-28 | 上海交通大学 | 用于提高低压涡轮叶片气动效率的结构及其工作方法 |
US11971170B1 (en) * | 2022-12-30 | 2024-04-30 | Ge Infrastructure Technology Llc | System and method having flame stabilizers for isothermal expansion in turbine stage of gas turbine engine |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5486093A (en) * | 1993-09-08 | 1996-01-23 | United Technologies Corporation | Leading edge cooling of turbine airfoils |
US5374162A (en) | 1993-11-30 | 1994-12-20 | United Technologies Corporation | Airfoil having coolable leading edge region |
US5458461A (en) | 1994-12-12 | 1995-10-17 | General Electric Company | Film cooled slotted wall |
US6050777A (en) | 1997-12-17 | 2000-04-18 | United Technologies Corporation | Apparatus and method for cooling an airfoil for a gas turbine engine |
US6210111B1 (en) | 1998-12-21 | 2001-04-03 | United Technologies Corporation | Turbine blade with platform cooling |
US6164912A (en) * | 1998-12-21 | 2000-12-26 | United Technologies Corporation | Hollow airfoil for a gas turbine engine |
US6234755B1 (en) * | 1999-10-04 | 2001-05-22 | General Electric Company | Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture |
US6994521B2 (en) * | 2003-03-12 | 2006-02-07 | Florida Turbine Technologies, Inc. | Leading edge diffusion cooling of a turbine airfoil for a gas turbine engine |
RU2267616C1 (ru) * | 2004-05-21 | 2006-01-10 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения им. П.И. Баранова" | Охлаждаемая лопатка турбины |
US7553534B2 (en) * | 2006-08-29 | 2009-06-30 | General Electric Company | Film cooled slotted wall and method of making the same |
US20090246011A1 (en) * | 2008-03-25 | 2009-10-01 | General Electric Company | Film cooling of turbine components |
US8105030B2 (en) | 2008-08-14 | 2012-01-31 | United Technologies Corporation | Cooled airfoils and gas turbine engine systems involving such airfoils |
US8087893B1 (en) | 2009-04-03 | 2012-01-03 | Florida Turbine Technologies, Inc. | Turbine blade with showerhead film cooling holes |
US20110097188A1 (en) | 2009-10-23 | 2011-04-28 | General Electric Company | Structure and method for improving film cooling using shallow trench with holes oriented along length of trench |
US8608443B2 (en) * | 2010-06-11 | 2013-12-17 | Siemens Energy, Inc. | Film cooled component wall in a turbine engine |
JP5517163B2 (ja) * | 2010-10-07 | 2014-06-11 | 株式会社日立製作所 | タービン翼の冷却孔加工方法 |
US8870536B2 (en) * | 2012-01-13 | 2014-10-28 | General Electric Company | Airfoil |
US8870535B2 (en) * | 2012-01-13 | 2014-10-28 | General Electric Company | Airfoil |
-
2012
- 2012-06-28 US US13/535,540 patent/US9080451B2/en active Active
-
2013
- 2013-06-20 EP EP13172933.7A patent/EP2679772B1/en active Active
- 2013-06-24 JP JP2013131234A patent/JP6216166B2/ja active Active
- 2013-06-27 RU RU2013129242A patent/RU2611465C2/ru not_active IP Right Cessation
- 2013-06-28 CN CN201310268845.4A patent/CN103527260B/zh active Active
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