JP2007056873A - 蒸気タービン用のスタック蒸気経路および溝付きバケットホイール - Google Patents
蒸気タービン用のスタック蒸気経路および溝付きバケットホイール Download PDFInfo
- Publication number
- JP2007056873A JP2007056873A JP2006225953A JP2006225953A JP2007056873A JP 2007056873 A JP2007056873 A JP 2007056873A JP 2006225953 A JP2006225953 A JP 2006225953A JP 2006225953 A JP2006225953 A JP 2006225953A JP 2007056873 A JP2007056873 A JP 2007056873A
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- JP
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- Prior art keywords
- steam
- wheel
- steam path
- ring
- rings
- 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.)
- Ceased
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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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/066—Connecting means for joining rotor-discs or rotor-elements together, e.g. by a central bolt, by clamps
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- 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
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】ステータリングとローターホイールを交互に積み重ねることにより、さまざまな段のノズルおよびバケットをかみ合わせ、蒸気経路を形成する。それぞれのバケットは、ホイール上の一般に相補的形状の溝内に受け入れられるブレードおよび根部61を備える。
【選択図】図1
Description
14 ノズル
16 スタックホイール
18 ブレード
26 リング
28 スタッド
30 溝
34 開口部
48 スタッド
60 バケット
61 根部
Claims (10)
- 蒸気タービン用の蒸気経路であって、
複数のスタックホイール(16)であって、複数のブレード(18)が前記ホイールから外側に、共通軸の周りに延びている複数のスタックホイール(16)と、
複数のスタックリング(12)であって、複数のノズル(14)が前記リングから内側に、共通軸の周りに延びている複数のスタックリング(12)と、を備え、
前記ホイールおよびリングは前記軸にそって交互に並び、前記蒸気タービンのそれぞれの段を形成すると共に前記蒸気経路を定める、蒸気タービン用の蒸気経路。 - 前記ホイールの周りの相隔てた位置で前記ホイールを通る複数の位置合わせした開口部(34)および前記開口部を通して延び前記ホイールを互いに固定する複数のスタッド(48)を備える請求項1記載の蒸気経路。
- 前記リングの周りの相隔てた位置で前記リング(26)を通る複数の位置合わせした開口部および前記開口部を通して次々に前記リングを通って延びる複数のスタッド(28)を備える請求項1記載の蒸気経路。
- 前記ブレード(18)およびノズル(14)は、互いにかみ合う請求項1記載の蒸気経路。
- 前記ブレード(18)は、それぞれのホイール(16)と一体になるように形成される請求項1記載の蒸気経路。
- 前記ホイールは、周囲溝(30)と、各々がブレード及び根部(61)を取り付けられる複数のバケット(60)とを備え、前記溝はそれぞれのバケットの根部を前記溝内に保持する形状を有する請求項1記載の蒸気経路。
- 前記蒸気経路は、蒸気入口端および蒸気出口端を備え、前記入口および出口端の段を形成する前記ホイールの材料は互いに異なる請求項1記載の蒸気経路。
- 蒸気入口端および蒸気出口端を備え、前記入口および出口端の段を形成する前記リングの材料は互いに異なる請求項1記載の蒸気経路。
- アセンブリ内の前記リング(12)は、前記蒸気タービン用のステータを形成する請求項1記載の蒸気経路。
- 前記リング(12)は、互いに溶接され、前記蒸気タービン用のステータを形成する請求項1記載の蒸気経路。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/209,624 US7270512B2 (en) | 2005-08-24 | 2005-08-24 | Stacked steampath and grooved bucket wheels for steam turbines |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007056873A true JP2007056873A (ja) | 2007-03-08 |
Family
ID=37450930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006225953A Ceased JP2007056873A (ja) | 2005-08-24 | 2006-08-23 | 蒸気タービン用のスタック蒸気経路および溝付きバケットホイール |
Country Status (5)
Country | Link |
---|---|
US (1) | US7270512B2 (ja) |
EP (1) | EP1757772A3 (ja) |
JP (1) | JP2007056873A (ja) |
KR (1) | KR100814170B1 (ja) |
CN (1) | CN1920256A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009275563A (ja) * | 2008-05-14 | 2009-11-26 | Mitsubishi Heavy Ind Ltd | タービンのモジュール構造 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7478629B2 (en) * | 2004-11-04 | 2009-01-20 | Del Valle Bravo Facundo | Axial flow supercharger and fluid compression machine |
US20070053773A1 (en) * | 2005-09-07 | 2007-03-08 | General Electric Company | Integrated nozzle wheel for reaction steam turbine stationary components and related method |
US7497658B2 (en) * | 2005-11-11 | 2009-03-03 | General Electric Company | Stacked reaction steam turbine stator assembly |
US7537430B2 (en) * | 2005-11-11 | 2009-05-26 | General Electric Company | Stacked reaction steam turbine rotor assembly |
US8240042B2 (en) * | 2008-05-12 | 2012-08-14 | Wood Group Heavy Industrial Turbines Ag | Methods of maintaining turbine discs to avert critical bucket attachment dovetail cracks |
US8662846B2 (en) * | 2010-09-14 | 2014-03-04 | General Electric Company | Bidirectional fan having self-adjusting vane |
US9212563B2 (en) | 2012-06-06 | 2015-12-15 | General Electric Company | Turbine rotor and blade assembly with multi-piece locking blade |
US9726026B2 (en) | 2012-06-06 | 2017-08-08 | General Electric Company | Turbine rotor and blade assembly with multi-piece locking blade |
US20130330198A1 (en) * | 2012-06-06 | 2013-12-12 | General Electric Company | Turbine Rotor and Blade Assembly with Blind Holes |
US9083212B2 (en) * | 2012-09-11 | 2015-07-14 | Concepts Eti, Inc. | Overhung turbine and generator system with turbine cartridge |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6907998U (de) * | 1969-02-28 | 1969-07-17 | Siemens Ag | Turbomaschine, insbesondere gasturbine der axialbauart |
CH595011A5 (ja) * | 1975-06-19 | 1978-01-31 | Bbc Brown Boveri & Cie | |
SE406625B (sv) * | 1977-07-12 | 1979-02-19 | Stal Laval Turbin Ab | Turbomaskin |
JPS614808A (ja) * | 1984-06-20 | 1986-01-10 | Mitsubishi Heavy Ind Ltd | 高圧蒸気タ−ビン動翼 |
US4859149A (en) * | 1989-03-10 | 1989-08-22 | General Motors Corporation | Blade locking system |
JPH07324601A (ja) * | 1994-05-31 | 1995-12-12 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの仕切板構造 |
DE19527662C1 (de) * | 1995-07-28 | 1997-01-16 | Siemens Ag | Leitschaufelstruktur für eine Dampfturbine sowie Verwendung der Leitschaufelstruktur |
JPH0988504A (ja) * | 1995-09-22 | 1997-03-31 | Hitachi Ltd | 圧縮機及びガスタービン |
DE19547653C2 (de) * | 1995-12-20 | 1999-08-19 | Abb Patent Gmbh | Leitvorrichtung für eine Turbine mit einem Leitschaufelträger und Verfahren zur Herstellung dieser Leitvorrichtung |
US5796202A (en) * | 1997-02-20 | 1998-08-18 | General Electric Co. | Tie bolt and stacked wheel assembly for the rotor of a rotary machine |
JPH11343807A (ja) * | 1998-06-01 | 1999-12-14 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの連結静翼 |
JP3999402B2 (ja) * | 1998-06-09 | 2007-10-31 | 三菱重工業株式会社 | 蒸気タービンの異材溶接ロータ |
US6158102A (en) * | 1999-03-24 | 2000-12-12 | General Electric Co. | Apparatus and methods for aligning holes through wheels and spacers and stacking the wheels and spacers to form a turbine rotor |
JP2000303854A (ja) | 1999-04-23 | 2000-10-31 | Eruson Kk | 高効率ガスタービン |
EP1074698B1 (en) | 1999-08-03 | 2012-02-29 | General Electric Company | A gas turbine comprising coated coolant supply tubes |
US7119461B2 (en) | 2003-03-25 | 2006-10-10 | Pratt & Whitney Canada Corp. | Enhanced thermal conductivity ferrite stator |
DE10348424A1 (de) * | 2003-10-14 | 2005-05-19 | Alstom Technology Ltd | Geschweisster Rotor für eine thermische Maschine sowie Verfahren zur Herstellung eines solchen Rotors |
-
2005
- 2005-08-24 US US11/209,624 patent/US7270512B2/en not_active Expired - Fee Related
-
2006
- 2006-08-17 EP EP06254314A patent/EP1757772A3/en not_active Withdrawn
- 2006-08-23 KR KR1020060080101A patent/KR100814170B1/ko active IP Right Grant
- 2006-08-23 JP JP2006225953A patent/JP2007056873A/ja not_active Ceased
- 2006-08-24 CN CNA2006101262098A patent/CN1920256A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009275563A (ja) * | 2008-05-14 | 2009-11-26 | Mitsubishi Heavy Ind Ltd | タービンのモジュール構造 |
Also Published As
Publication number | Publication date |
---|---|
KR100814170B1 (ko) | 2008-03-17 |
US20070048130A1 (en) | 2007-03-01 |
CN1920256A (zh) | 2007-02-28 |
US7270512B2 (en) | 2007-09-18 |
EP1757772A3 (en) | 2010-12-29 |
EP1757772A2 (en) | 2007-02-28 |
KR20070023585A (ko) | 2007-02-28 |
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