JP2009007981A5 - - Google Patents
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- Publication number
- JP2009007981A5 JP2009007981A5 JP2007168942A JP2007168942A JP2009007981A5 JP 2009007981 A5 JP2009007981 A5 JP 2009007981A5 JP 2007168942 A JP2007168942 A JP 2007168942A JP 2007168942 A JP2007168942 A JP 2007168942A JP 2009007981 A5 JP2009007981 A5 JP 2009007981A5
- Authority
- JP
- Japan
- Prior art keywords
- fixed support
- intermediate fixed
- blade cascade
- support member
- 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.)
- Pending
Links
- 230000035852 Tmax Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000001154 acute Effects 0.000 claims 1
- 230000004323 axial length Effects 0.000 claims 1
Claims (9)
- タービン用長動翼翼列の中間固定支持部材の断面形状を流線形にしたことを特徴とする蒸気タービン用長動翼翼列の中間固定支持構造。
- 前記中間固定支持部材はタイワイヤであることを特徴とする請求項1記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- 前記中間固定支持部材はラグであることを特徴とする請求項1記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- タービン用長動翼翼列の中間固定支持部材は翼面に突出したラグとこれを繋ぐスリーブとから構成されるラグスリーブであって、前記スリーブの断面形状を流線形にしたことを特徴とする請求項1記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- タービン用長動翼翼列の中間固定支持部材は翼面に突出したラグとこれを繋ぐスリーブとから構成されるラグスリーブであって、前記ラグ及びスリーブの断面形状を流線形にしたことを特徴とする請求項1記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- タービン用長動翼翼列の中間固定支持部材はその断面形状が流線形であって、前記中間固定支持部材の上流側の形状を鈍頭型としたことを特徴とする請求項1乃至5記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- タービン用長動翼翼列の中間固定支持部材はその断面形状が流線形であって、前記中間固定支持部材の上流側の形状を鋭角型としたことを特徴とする請求項1乃至5記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- 前記中間固定支持部材の軸方向長さをL、最大厚さをTmaxとしたとき、L/Tmax≧1.23であることを特徴とする請求項1乃至7いずれか1項に記載の蒸気タービン用長動翼翼列の中間固定支持構造。
- 請求項1乃至8のいずれか1項に記載の蒸気タービン用長動翼翼列の中間固定支持構造を備えた蒸気タービン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007168942A JP2009007981A (ja) | 2007-06-27 | 2007-06-27 | 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン |
US12/145,299 US8105038B2 (en) | 2007-06-27 | 2008-06-24 | Steam turbine, and intermediate support structure for holding row of long moving blades therein |
CN2008101249868A CN101333936B (zh) | 2007-06-27 | 2008-06-25 | 蒸汽轮机及用于将长动叶栅保持在其中的中间支撑结构 |
EP08011583.5A EP2009241A3 (en) | 2007-06-27 | 2008-06-26 | Interconnected blades of a steam turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007168942A JP2009007981A (ja) | 2007-06-27 | 2007-06-27 | 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009007981A JP2009007981A (ja) | 2009-01-15 |
JP2009007981A5 true JP2009007981A5 (ja) | 2009-12-10 |
Family
ID=39591311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007168942A Pending JP2009007981A (ja) | 2007-06-27 | 2007-06-27 | 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン |
Country Status (4)
Country | Link |
---|---|
US (1) | US8105038B2 (ja) |
EP (1) | EP2009241A3 (ja) |
JP (1) | JP2009007981A (ja) |
CN (1) | CN101333936B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5558095B2 (ja) * | 2009-12-28 | 2014-07-23 | 株式会社東芝 | タービン動翼翼列および蒸気タービン |
TWI418708B (zh) * | 2011-03-25 | 2013-12-11 | Delta Electronics Inc | 葉輪結構 |
EP2563055A1 (en) | 2011-08-25 | 2013-02-27 | Swisscom AG | Method and devices for reducing detectability of an encryption key |
US20140154081A1 (en) * | 2012-11-30 | 2014-06-05 | General Electric Company | Tear-drop shaped part-span shroud |
US9546555B2 (en) * | 2012-12-17 | 2017-01-17 | General Electric Company | Tapered part-span shroud |
US9631500B2 (en) | 2013-10-30 | 2017-04-25 | General Electric Company | Bucket assembly for use in a turbine engine |
US9719355B2 (en) * | 2013-12-20 | 2017-08-01 | General Electric Company | Rotary machine blade having an asymmetric part-span shroud and method of making same |
US9822647B2 (en) | 2014-01-29 | 2017-11-21 | General Electric Company | High chord bucket with dual part span shrouds and curved dovetail |
EP3029269A1 (de) * | 2014-12-04 | 2016-06-08 | Siemens Aktiengesellschaft | Turbinenlaufschaufel, zugehöriger rotor und strömungsmaschine |
GB201511416D0 (en) | 2015-06-30 | 2015-08-12 | Napier Turbochargers Ltd | Turbomachinery rotor blade |
US10132169B2 (en) * | 2015-12-28 | 2018-11-20 | General Electric Company | Shrouded turbine rotor blades |
EP3379033A1 (en) * | 2017-03-20 | 2018-09-26 | General Electric Company | Systems and methods for minimizing an incidence angle between a number of streamlines in a not disturbed flow field by varying an inclination angle of a chord line of a snubber |
US11156096B2 (en) | 2020-02-07 | 2021-10-26 | General Electric Company | Turbine blade airfoil profile |
US11339670B2 (en) | 2020-10-13 | 2022-05-24 | General Electric Company | Part-span shroud configurations |
JP7245215B2 (ja) * | 2020-11-25 | 2023-03-23 | 三菱重工業株式会社 | 蒸気タービン動翼 |
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JP3272088B2 (ja) | 1993-03-01 | 2002-04-08 | 株式会社東芝 | タービン動翼の配列方法 |
US5275531A (en) * | 1993-04-30 | 1994-01-04 | Teleflex, Incorporated | Area ruled fan blade ends for turbofan jet engine |
JP3107266B2 (ja) * | 1993-09-17 | 2000-11-06 | 株式会社日立製作所 | 流体機械および流体機械の翼装置 |
US5393200A (en) * | 1994-04-04 | 1995-02-28 | General Electric Co. | Bucket for the last stage of turbine |
US5460488A (en) * | 1994-06-14 | 1995-10-24 | United Technologies Corporation | Shrouded fan blade for a turbine engine |
US5695323A (en) * | 1996-04-19 | 1997-12-09 | Westinghouse Electric Corporation | Aerodynamically optimized mid-span snubber for combustion turbine blade |
CN2479214Y (zh) * | 2001-06-12 | 2002-02-27 | 东方汽轮机厂 | 大型汽轮机新型末级叶片 |
CN2711391Y (zh) * | 2004-06-09 | 2005-07-20 | 哈尔滨汽轮机厂有限责任公司 | 大型空冷汽轮机专用末级叶片 |
CN2748643Y (zh) * | 2004-09-29 | 2005-12-28 | 哈尔滨汽轮机厂有限责任公司 | 大型汽轮机末级动叶片 |
CN2851582Y (zh) | 2005-11-28 | 2006-12-27 | 哈尔滨汽轮机厂有限责任公司 | 全转速汽轮机超长末级动叶片 |
-
2007
- 2007-06-27 JP JP2007168942A patent/JP2009007981A/ja active Pending
-
2008
- 2008-06-24 US US12/145,299 patent/US8105038B2/en active Active
- 2008-06-25 CN CN2008101249868A patent/CN101333936B/zh active Active
- 2008-06-26 EP EP08011583.5A patent/EP2009241A3/en not_active Withdrawn
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