JP2008538399A - カバープレートとこのカバープレートに被着された保護層とを備えたタービン翼 - Google Patents
カバープレートとこのカバープレートに被着された保護層とを備えたタービン翼 Download PDFInfo
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- JP2008538399A JP2008538399A JP2008507029A JP2008507029A JP2008538399A JP 2008538399 A JP2008538399 A JP 2008538399A JP 2008507029 A JP2008507029 A JP 2008507029A JP 2008507029 A JP2008507029 A JP 2008507029A JP 2008538399 A JP2008538399 A JP 2008538399A
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- 238000007789 sealing Methods 0.000 claims abstract description 42
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
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- 238000004519 manufacturing process Methods 0.000 claims description 7
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- 239000000126 substance Substances 0.000 claims description 6
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- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
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Images
Classifications
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- 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
- 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
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
-
- 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
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
- F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0463—Cobalt
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- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
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- 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
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
-
- 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
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
- F05D2230/312—Layer deposition by plasma spraying
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- 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
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
- F05D2230/313—Layer deposition by physical vapour deposition
-
- 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
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/226—Carbides
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- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
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- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/228—Nitrides
- F05D2300/2284—Nitrides of titanium
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- 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
- Y10T29/4932—Turbomachine making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
4 タービン軸
6 動翼
8 静翼
10 タービンケーシング
12 流れ通路
14 中心軸線
16 タービン翼
18 翼板
20 カバープレート
22 シュラウド
24 半径方向隙間
28 保護層
30 密封帯材
32 摩耗性層
34 部分通路
36 鋼板
M 作動媒体
Claims (23)
- 翼板(18)に一体に成形されたカバープレート(20)を備えた特に蒸気タービン(2)内で使用するためのタービン翼(16)であって、翼板(18)とは反対側のカバープレート(20)の表面に代替材料からなる保護層(28)が被着されていることを特徴とするタービン翼。
- 翼板(18)とカバープレート(20)とを含む翼本体が一体化された部品で製作されていることを特徴とする請求項1記載のタービン翼(16)。
- タービン翼のカバープレート(20)がニッケル系合金またはコバルト系合金から製造されていることを特徴とする請求項1または2記載のタービン翼(16)。
- 保護層(28)がコバルト系の装甲合金によって形成されていることを特徴とする請求項1乃至3のいずれか1つに記載のタービン翼(16)。
- 装甲合金が重量%で、最大3%のニッケル、最大3%の鉄、約1.1%乃至1.2%の炭素、約28%のクロム、約1.0%乃至1.1%マンガン、約1.0%乃至1.1%のケイ素、4.5%のタングステンを含むことを特徴とする請求項4記載のタービン翼(16)。
- 保護層(28)が肉盛溶接によってカバープレート(20)に被着されていることを特徴とする請求項5記載のタービン翼(16)。
- 各鋼板(36)が約1ミリメートル以上の厚さを有することを特徴とする請求項4乃至6のいずれか1つに記載のタービン翼(16)。
- 各鋼板(36)が、特に溶接によって、カバープレート(20)と材料結合されていることを特徴とする請求項4乃至7のいずれか1つに記載のタービン翼(16)。
- 保護層(28)として硬質物質層が使用されていることを特徴とする請求項1乃至3のいずれか1つに記載のタービン翼(16)。
- 硬質物質層が金属硬質物質から製造されていることを特徴とする請求項9記載のタービン翼(16)。
- 硬質物質として炭化クロムまたは窒化チタンまたは窒化ホウ素を用いていることを特徴とする請求項10記載のタービン翼(16)。
- 硬質物質層がプラズマ溶射またはPVD法によってカバープレート(20)に被着されていることを特徴とする請求項9乃至11のいずれか1つに記載のタービン翼(16)。
- 硬質物質層に摩耗性層(32)が被着されている請求項9乃至12のいずれか1つに記載のタービン翼(16)。
- それぞれ翼列にまとめられた請求項1乃至13のいずれか1つによる複数のタービン翼(16)を備えたことを特徴とする蒸気タービン(2)。
- 1つの翼列に付設されたタービン翼(16)のカバープレート(20)が周方向シュラウド(22)を形成するようにそれぞれ形成され、かつ互いに連結されて配置されていることを特徴とする請求項14記載の蒸気タービン(2)。
- 翼列が動翼列であることを特徴とする請求項15記載の蒸気タービン(2)。
- タービンケーシング(10)の内面に周方向で配置される複数の密封帯材(30)および/または密封リブがシュラウド(22)の被覆された表面に対向して設けられていることを特徴とする請求項16記載の蒸気タービン(2)。
- 翼列が静翼列であることを特徴とする請求項17記載の蒸気タービン(2)。
- タービン軸(4)に周方向で配置される複数の密封帯材(30)および/または密封リブがシュラウド(22)の被覆された表面に対向して設けられていることを特徴とする請求項18記載の蒸気タービン(2)。
- 密封帯材(30)が複数の輪切片状に曲げられた金属条片を含むことを特徴とする請求項17または19記載の蒸気タービン(2)。
- それぞれ翼列へとまとめられた請求項1乃至13のいずれか1つに記載の複数のタービン翼(16)を備えた蒸気タービンを製造するための方法であって、1つの翼列に付設されたタービン翼(16)のカバープレート(20)が周方向シュラウド(22)を形成するようにそれぞれ形成され、かつ互いに連結されて配置されており、保護層(28)はタービン翼(16)をタービン軸(4)またはタービンケーシング(10)に組付け後にはじめてシュラウド(22)に被着されることを特徴とする方法。
- 保護層(28)がそれぞれ複数の製作工程において、複数のカバープレート(20)によって形成される繋がったシュラウド(22)部位に被着され、各製作工程においてそれぞれ部位全体が加工または処理されることを特徴とする請求項21記載の方法。
- 肉盛溶接によってコバルト系の装甲合金が被着されることを特徴とする請求項22記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05008811A EP1715140A1 (de) | 2005-04-21 | 2005-04-21 | Turbinenschaufel mit einer Deckplatte und einer auf der Deckplatte aufgebrachte Schutzschicht |
EP05008811.1 | 2005-04-21 | ||
PCT/EP2006/050337 WO2006111427A1 (de) | 2005-04-21 | 2006-01-20 | Turbinenschaufel mit einer deckplatte und einer auf der deckplatte aufgebrachte schutzschicht |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008538399A true JP2008538399A (ja) | 2008-10-23 |
JP2008538399A5 JP2008538399A5 (ja) | 2009-03-12 |
JP4874329B2 JP4874329B2 (ja) | 2012-02-15 |
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Family Applications (1)
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JP2008507029A Expired - Fee Related JP4874329B2 (ja) | 2005-04-21 | 2006-01-20 | カバープレートとこのカバープレートに被着された保護層とを備えたタービン翼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8021120B2 (ja) |
EP (2) | EP1715140A1 (ja) |
JP (1) | JP4874329B2 (ja) |
CN (1) | CN101163862B (ja) |
WO (1) | WO2006111427A1 (ja) |
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JP2012087787A (ja) * | 2010-10-19 | 2012-05-10 | General Electric Co <Ge> | 接合タービンバケット先端シュラウド及び関連する方法 |
WO2015068227A1 (ja) * | 2013-11-06 | 2015-05-14 | 川崎重工業株式会社 | タービン翼およびその製造方法 |
WO2022107734A1 (ja) * | 2020-11-20 | 2022-05-27 | 川崎重工業株式会社 | ガスタービンエンジンの回転部構成部材およびその製造方法 |
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US8708658B2 (en) * | 2007-04-12 | 2014-04-29 | United Technologies Corporation | Local application of a protective coating on a shrouded gas turbine engine component |
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CN101922312B (zh) * | 2010-03-24 | 2013-11-06 | 北京航空航天大学 | 一种叶轮机械径向间隙泄漏损失的控制方法 |
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WO2013163505A1 (en) | 2012-04-27 | 2013-10-31 | General Electric Company | Shroud assembly and seal for a gas turbine engine |
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US20150093237A1 (en) * | 2013-09-30 | 2015-04-02 | General Electric Company | Ceramic matrix composite component, turbine system and fabrication process |
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US10662788B2 (en) * | 2018-02-02 | 2020-05-26 | Raytheon Technologies Corporation | Wear resistant turbine blade tip |
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- 2006-01-20 JP JP2008507029A patent/JP4874329B2/ja not_active Expired - Fee Related
- 2006-01-20 EP EP06703576A patent/EP1871991A1/de not_active Withdrawn
- 2006-01-20 CN CN200680013189.1A patent/CN101163862B/zh not_active Expired - Fee Related
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JP2012087787A (ja) * | 2010-10-19 | 2012-05-10 | General Electric Co <Ge> | 接合タービンバケット先端シュラウド及び関連する方法 |
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WO2022107734A1 (ja) * | 2020-11-20 | 2022-05-27 | 川崎重工業株式会社 | ガスタービンエンジンの回転部構成部材およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1715140A1 (de) | 2006-10-25 |
CN101163862B (zh) | 2011-10-05 |
US8021120B2 (en) | 2011-09-20 |
EP1871991A1 (de) | 2008-01-02 |
WO2006111427A1 (de) | 2006-10-26 |
JP4874329B2 (ja) | 2012-02-15 |
US20090022583A1 (en) | 2009-01-22 |
CN101163862A (zh) | 2008-04-16 |
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