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
Application number
JP2007168942A
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English (en)
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JP2009007981A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2007168942A priority Critical patent/JP2009007981A/ja
Priority claimed from JP2007168942A external-priority patent/JP2009007981A/ja
Priority to US12/145,299 priority patent/US8105038B2/en
Priority to CN2008101249868A priority patent/CN101333936B/zh
Priority to EP08011583.5A priority patent/EP2009241A3/en
Publication of JP2009007981A publication Critical patent/JP2009007981A/ja
Publication of JP2009007981A5 publication Critical patent/JP2009007981A5/ja
Pending legal-status Critical Current

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Claims (9)

  1. 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。
  2. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. 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。
JP2007168942A 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 Pending JP2009007981A (ja)

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)

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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
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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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