DE10001109A1 - Gekühlte Schaufel für eine Gasturbine - Google Patents
Gekühlte Schaufel für eine GasturbineInfo
- Publication number
- DE10001109A1 DE10001109A1 DE10001109A DE10001109A DE10001109A1 DE 10001109 A1 DE10001109 A1 DE 10001109A1 DE 10001109 A DE10001109 A DE 10001109A DE 10001109 A DE10001109 A DE 10001109A DE 10001109 A1 DE10001109 A1 DE 10001109A1
- Authority
- DE
- Germany
- Prior art keywords
- cooling
- channels
- blade
- internal
- film
- 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
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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- 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
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- 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
- F05D2250/00—Geometry
- F05D2250/30—Arrangement of components
- F05D2250/34—Arrangement of components translated
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
44, . ., 46 Kühleinrichtung
141, . ., 143 Innenkühlungskanal
161, . ., 163 Filmkühlungsbohrung
D Dicke (Wand)
Claims (16)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001109A DE10001109B4 (de) | 2000-01-13 | 2000-01-13 | Gekühlte Schaufel für eine Gasturbine |
GB0100586A GB2358226B (en) | 2000-01-13 | 2001-01-09 | Cooled blade for gas turbine |
US09/758,188 US6379118B2 (en) | 2000-01-13 | 2001-01-12 | Cooled blade for a gas turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001109A DE10001109B4 (de) | 2000-01-13 | 2000-01-13 | Gekühlte Schaufel für eine Gasturbine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10001109A1 true DE10001109A1 (de) | 2001-07-19 |
DE10001109B4 DE10001109B4 (de) | 2012-01-19 |
Family
ID=7627366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10001109A Expired - Fee Related DE10001109B4 (de) | 2000-01-13 | 2000-01-13 | Gekühlte Schaufel für eine Gasturbine |
Country Status (3)
Country | Link |
---|---|
US (1) | US6379118B2 (de) |
DE (1) | DE10001109B4 (de) |
GB (1) | GB2358226B (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009033753A1 (de) * | 2009-07-17 | 2011-01-27 | Rolls-Royce Deutschland Ltd & Co Kg | Verfahren und Anordnung zur Filmkühlung von Turbinenschaufeln |
CN108331617A (zh) * | 2017-01-03 | 2018-07-27 | 通用电气公司 | 用于冲击冷却的部件及包括所述部件的旋转机械 |
WO2022002755A1 (de) * | 2020-07-02 | 2022-01-06 | Siemens Aktiengesellschaft | HEIßGASBAUTEIL EINER GASTURBINE |
EP2388437B2 (de) † | 2007-01-11 | 2023-04-26 | Raytheon Technologies Corporation | Kühlkreis-Durchflussweg für ein Turbinensektionsprofil |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6951193B1 (en) | 2002-03-01 | 2005-10-04 | Draper Samuel D | Film-cooled internal combustion engine |
US7137776B2 (en) | 2002-06-19 | 2006-11-21 | United Technologies Corporation | Film cooling for microcircuits |
US6869268B2 (en) | 2002-09-05 | 2005-03-22 | Siemens Westinghouse Power Corporation | Combustion turbine with airfoil having enhanced leading edge diffusion holes and related methods |
US6981846B2 (en) * | 2003-03-12 | 2006-01-03 | Florida Turbine Technologies, Inc. | Vortex cooling of turbine blades |
US7011502B2 (en) * | 2004-04-15 | 2006-03-14 | General Electric Company | Thermal shield turbine airfoil |
US7118326B2 (en) * | 2004-06-17 | 2006-10-10 | Siemens Power Generation, Inc. | Cooled gas turbine vane |
US7114923B2 (en) * | 2004-06-17 | 2006-10-03 | Siemens Power Generation, Inc. | Cooling system for a showerhead of a turbine blade |
GB0424593D0 (en) * | 2004-11-06 | 2004-12-08 | Rolls Royce Plc | A component having a film cooling arrangement |
US7217095B2 (en) * | 2004-11-09 | 2007-05-15 | United Technologies Corporation | Heat transferring cooling features for an airfoil |
US7744347B2 (en) * | 2005-11-08 | 2010-06-29 | United Technologies Corporation | Peripheral microcircuit serpentine cooling for turbine airfoils |
US7364405B2 (en) * | 2005-11-23 | 2008-04-29 | United Technologies Corporation | Microcircuit cooling for vanes |
CA2642505C (en) * | 2006-02-14 | 2013-06-18 | Ihi Corporation | Cooling structure |
US7690893B2 (en) * | 2006-07-25 | 2010-04-06 | United Technologies Corporation | Leading edge cooling with microcircuit anti-coriolis device |
US7686582B2 (en) * | 2006-07-28 | 2010-03-30 | United Technologies Corporation | Radial split serpentine microcircuits |
US7527474B1 (en) * | 2006-08-11 | 2009-05-05 | Florida Turbine Technologies, Inc. | Turbine airfoil with mini-serpentine cooling passages |
US7520725B1 (en) | 2006-08-11 | 2009-04-21 | Florida Turbine Technologies, Inc. | Turbine airfoil with near-wall leading edge multi-holes cooling |
US7866948B1 (en) | 2006-08-16 | 2011-01-11 | Florida Turbine Technologies, Inc. | Turbine airfoil with near-wall impingement and vortex cooling |
US8197184B2 (en) * | 2006-10-18 | 2012-06-12 | United Technologies Corporation | Vane with enhanced heat transfer |
US7753650B1 (en) | 2006-12-20 | 2010-07-13 | Florida Turbine Technologies, Inc. | Thin turbine rotor blade with sinusoidal flow cooling channels |
US7927073B2 (en) * | 2007-01-04 | 2011-04-19 | Siemens Energy, Inc. | Advanced cooling method for combustion turbine airfoil fillets |
US7717677B1 (en) | 2007-01-31 | 2010-05-18 | Florida Turbine Technologies, Inc. | Multi-metering and diffusion transpiration cooled airfoil |
US7766617B1 (en) | 2007-03-06 | 2010-08-03 | Florida Turbine Technologies, Inc. | Transpiration cooled turbine airfoil |
US7775768B2 (en) * | 2007-03-06 | 2010-08-17 | United Technologies Corporation | Turbine component with axially spaced radially flowing microcircuit cooling channels |
US7967566B2 (en) | 2007-03-08 | 2011-06-28 | Siemens Energy, Inc. | Thermally balanced near wall cooling for a turbine blade |
US7785070B2 (en) * | 2007-03-27 | 2010-08-31 | Siemens Energy, Inc. | Wavy flow cooling concept for turbine airfoils |
US7967567B2 (en) * | 2007-03-27 | 2011-06-28 | Siemens Energy, Inc. | Multi-pass cooling for turbine airfoils |
US7717675B1 (en) * | 2007-05-24 | 2010-05-18 | Florida Turbine Technologies, Inc. | Turbine airfoil with a near wall mini serpentine cooling circuit |
US7857589B1 (en) * | 2007-09-21 | 2010-12-28 | Florida Turbine Technologies, Inc. | Turbine airfoil with near-wall cooling |
US8052390B1 (en) | 2007-10-19 | 2011-11-08 | Florida Turbine Technologies, Inc. | Turbine airfoil with showerhead cooling |
US8047788B1 (en) | 2007-10-19 | 2011-11-01 | Florida Turbine Technologies, Inc. | Turbine airfoil with near-wall serpentine cooling |
EP2300178B1 (de) * | 2008-06-12 | 2013-06-19 | Alstom Technology Ltd | Verfahren zum gusstechnischen herstellen einer schaufel für eine gasturbine werkzeug zur herstellung eines gusskerns für die schaufel |
US8210814B2 (en) * | 2008-06-18 | 2012-07-03 | General Electric Company | Crossflow turbine airfoil |
US7985050B1 (en) * | 2008-12-15 | 2011-07-26 | Florida Turbine Technologies, Inc. | Turbine blade with trailing edge cooling |
US8167559B2 (en) * | 2009-03-03 | 2012-05-01 | Siemens Energy, Inc. | Turbine vane for a gas turbine engine having serpentine cooling channels within the outer wall |
CN102753787B (zh) * | 2009-10-20 | 2015-11-25 | 西门子能量股份有限公司 | 具有锥形冷却通路的翼型 |
US9528382B2 (en) * | 2009-11-10 | 2016-12-27 | General Electric Company | Airfoil heat shield |
US8511994B2 (en) * | 2009-11-23 | 2013-08-20 | United Technologies Corporation | Serpentine cored airfoil with body microcircuits |
US8894363B2 (en) | 2011-02-09 | 2014-11-25 | Siemens Energy, Inc. | Cooling module design and method for cooling components of a gas turbine system |
US9017027B2 (en) | 2011-01-06 | 2015-04-28 | Siemens Energy, Inc. | Component having cooling channel with hourglass cross section |
US8764394B2 (en) | 2011-01-06 | 2014-07-01 | Siemens Energy, Inc. | Component cooling channel |
US9011077B2 (en) | 2011-04-20 | 2015-04-21 | Siemens Energy, Inc. | Cooled airfoil in a turbine engine |
US9216491B2 (en) * | 2011-06-24 | 2015-12-22 | General Electric Company | Components with cooling channels and methods of manufacture |
CH705185A1 (de) | 2011-06-29 | 2012-12-31 | Alstom Technology Ltd | Schaufel für eine Gasturbine sowie Verfahren zum Herstellen einer solchen Schaufel. |
US20130052037A1 (en) * | 2011-08-31 | 2013-02-28 | William Abdel-Messeh | Airfoil with nonlinear cooling passage |
US8414263B1 (en) * | 2012-03-22 | 2013-04-09 | Florida Turbine Technologies, Inc. | Turbine stator vane with near wall integrated micro cooling channels |
EP2828484B2 (de) | 2012-03-22 | 2024-10-09 | Ansaldo Energia IP UK Limited | Turbinenschaufel |
US9879546B2 (en) | 2012-06-21 | 2018-01-30 | United Technologies Corporation | Airfoil cooling circuits |
EP2693121B1 (de) | 2012-07-31 | 2018-04-25 | Ansaldo Energia Switzerland AG | Rauheit nahe der Wand für Dämpfungsvorrichtungen zur Verringerung von Druckschwankungen in Verbrennungssystemen |
EP2893145B1 (de) | 2012-08-20 | 2019-05-01 | Ansaldo Energia IP UK Limited | Intern gekühlte schaufel für eine drehmaschine |
EP2895718A4 (de) * | 2012-09-14 | 2016-07-20 | Purdue Research Foundation | Miteinander verwobene kanäle zur internen kühlung einer tragfläcjhe |
EP2738469B1 (de) | 2012-11-30 | 2019-04-17 | Ansaldo Energia IP UK Limited | Verbrennungskammerteil einer Gasturbine mit wandnaher Kühlanordnung |
US9879601B2 (en) | 2013-03-05 | 2018-01-30 | Rolls-Royce North American Technologies Inc. | Gas turbine engine component arrangement |
WO2014163698A1 (en) | 2013-03-07 | 2014-10-09 | Vandervaart Peter L | Cooled gas turbine engine component |
US9638057B2 (en) * | 2013-03-14 | 2017-05-02 | Rolls-Royce North American Technologies, Inc. | Augmented cooling system |
WO2015006026A1 (en) * | 2013-07-12 | 2015-01-15 | United Technologies Corporation | Gas turbine engine component cooling with resupply of cooling passage |
JP6239938B2 (ja) * | 2013-11-05 | 2017-11-29 | 三菱日立パワーシステムズ株式会社 | ガスタービン燃焼器 |
US10364684B2 (en) | 2014-05-29 | 2019-07-30 | General Electric Company | Fastback vorticor pin |
CA2950011C (en) | 2014-05-29 | 2020-01-28 | General Electric Company | Fastback turbulator |
US10233775B2 (en) | 2014-10-31 | 2019-03-19 | General Electric Company | Engine component for a gas turbine engine |
US10280785B2 (en) | 2014-10-31 | 2019-05-07 | General Electric Company | Shroud assembly for a turbine engine |
US20160201476A1 (en) * | 2014-10-31 | 2016-07-14 | General Electric Company | Airfoil for a turbine engine |
EP3124745B1 (de) * | 2015-07-29 | 2018-03-28 | Ansaldo Energia IP UK Limited | Turbomaschinenkomponente mit filmgekühlter wand |
EP3124746B1 (de) * | 2015-07-29 | 2018-12-26 | Ansaldo Energia IP UK Limited | Verfahren zur kühlung einer turbomaschinenkomponente und turbomaschinenkomponente |
US10533749B2 (en) * | 2015-10-27 | 2020-01-14 | Pratt & Whitney Cananda Corp. | Effusion cooling holes |
US10871075B2 (en) | 2015-10-27 | 2020-12-22 | Pratt & Whitney Canada Corp. | Cooling passages in a turbine component |
US10815827B2 (en) * | 2016-01-25 | 2020-10-27 | Raytheon Technologies Corporation | Variable thickness core for gas turbine engine component |
US10704395B2 (en) * | 2016-05-10 | 2020-07-07 | General Electric Company | Airfoil with cooling circuit |
US11162370B2 (en) * | 2016-05-19 | 2021-11-02 | Rolls-Royce Corporation | Actively cooled component |
CN110168197B (zh) * | 2017-02-08 | 2021-08-31 | 株式会社Ihi | 风扇叶片 |
US11098595B2 (en) | 2017-05-02 | 2021-08-24 | Raytheon Technologies Corporation | Airfoil for gas turbine engine |
US10808571B2 (en) * | 2017-06-22 | 2020-10-20 | Raytheon Technologies Corporation | Gaspath component including minicore plenums |
US10526898B2 (en) * | 2017-10-24 | 2020-01-07 | United Technologies Corporation | Airfoil cooling circuit |
US10563519B2 (en) * | 2018-02-19 | 2020-02-18 | General Electric Company | Engine component with cooling hole |
US11352889B2 (en) | 2018-12-18 | 2022-06-07 | General Electric Company | Airfoil tip rail and method of cooling |
US10767492B2 (en) | 2018-12-18 | 2020-09-08 | General Electric Company | Turbine engine airfoil |
US11566527B2 (en) | 2018-12-18 | 2023-01-31 | General Electric Company | Turbine engine airfoil and method of cooling |
US11174736B2 (en) | 2018-12-18 | 2021-11-16 | General Electric Company | Method of forming an additively manufactured component |
US11499433B2 (en) | 2018-12-18 | 2022-11-15 | General Electric Company | Turbine engine component and method of cooling |
US10844728B2 (en) | 2019-04-17 | 2020-11-24 | General Electric Company | Turbine engine airfoil with a trailing edge |
US20200348023A1 (en) * | 2019-05-03 | 2020-11-05 | United Technologies Corporation | Combustor liner panel with micro-circuit core cooling |
KR102294770B1 (ko) * | 2020-03-13 | 2021-08-27 | 두산중공업 주식회사 | 터빈기관용 터빈 날개의 내부냉각용 미터링 플레이트 |
CN114109515B (zh) * | 2021-11-12 | 2024-01-30 | 中国航发沈阳发动机研究所 | 一种涡轮叶片吸力面冷却结构 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2061729B2 (de) * | 1969-12-16 | 1974-02-28 | Secretary Of State For Defence Of The United Kingdom Of Great Britain And Northern Ireland, London | Gekühlte Turbinenhohlschaufel |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4384823A (en) | 1980-10-27 | 1983-05-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Curved film cooling admission tube |
GB2283538B (en) * | 1984-12-01 | 1995-09-13 | Rolls Royce | Air cooled gas turbine aerofoil |
US4669957A (en) | 1985-12-23 | 1987-06-02 | United Technologies Corporation | Film coolant passage with swirl diffuser |
US4770608A (en) * | 1985-12-23 | 1988-09-13 | United Technologies Corporation | Film cooled vanes and turbines |
US5720431A (en) * | 1988-08-24 | 1998-02-24 | United Technologies Corporation | Cooled blades for a gas turbine engine |
US5667359A (en) * | 1988-08-24 | 1997-09-16 | United Technologies Corp. | Clearance control for the turbine of a gas turbine engine |
US5405242A (en) * | 1990-07-09 | 1995-04-11 | United Technologies Corporation | Cooled vane |
US5383766A (en) * | 1990-07-09 | 1995-01-24 | United Technologies Corporation | Cooled vane |
US5370499A (en) * | 1992-02-03 | 1994-12-06 | General Electric Company | Film cooling of turbine airfoil wall using mesh cooling hole arrangement |
US5651662A (en) * | 1992-10-29 | 1997-07-29 | General Electric Company | Film cooled wall |
US5419681A (en) * | 1993-01-25 | 1995-05-30 | General Electric Company | Film cooled wall |
US5702232A (en) * | 1994-12-13 | 1997-12-30 | United Technologies Corporation | Cooled airfoils for a gas turbine engine |
EP0742347A3 (de) * | 1995-05-10 | 1998-04-01 | Allison Engine Company, Inc. | Turbinenschaufelkühlung |
US5752801A (en) * | 1997-02-20 | 1998-05-19 | Westinghouse Electric Corporation | Apparatus for cooling a gas turbine airfoil and method of making same |
WO1999006672A1 (de) * | 1997-07-29 | 1999-02-11 | Siemens Aktiengesellschaft | Turbinenschaufel sowie verfahren zur herstellung einer turbinenschaufel |
US5931638A (en) * | 1997-08-07 | 1999-08-03 | United Technologies Corporation | Turbomachinery airfoil with optimized heat transfer |
US6247896B1 (en) * | 1999-06-23 | 2001-06-19 | United Technologies Corporation | Method and apparatus for cooling an airfoil |
US6254334B1 (en) * | 1999-10-05 | 2001-07-03 | United Technologies Corporation | Method and apparatus for cooling a wall within a gas turbine engine |
-
2000
- 2000-01-13 DE DE10001109A patent/DE10001109B4/de not_active Expired - Fee Related
-
2001
- 2001-01-09 GB GB0100586A patent/GB2358226B/en not_active Expired - Lifetime
- 2001-01-12 US US09/758,188 patent/US6379118B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2061729B2 (de) * | 1969-12-16 | 1974-02-28 | Secretary Of State For Defence Of The United Kingdom Of Great Britain And Northern Ireland, London | Gekühlte Turbinenhohlschaufel |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2388437B2 (de) † | 2007-01-11 | 2023-04-26 | Raytheon Technologies Corporation | Kühlkreis-Durchflussweg für ein Turbinensektionsprofil |
DE102009033753A1 (de) * | 2009-07-17 | 2011-01-27 | Rolls-Royce Deutschland Ltd & Co Kg | Verfahren und Anordnung zur Filmkühlung von Turbinenschaufeln |
CN108331617A (zh) * | 2017-01-03 | 2018-07-27 | 通用电气公司 | 用于冲击冷却的部件及包括所述部件的旋转机械 |
WO2022002755A1 (de) * | 2020-07-02 | 2022-01-06 | Siemens Aktiengesellschaft | HEIßGASBAUTEIL EINER GASTURBINE |
Also Published As
Publication number | Publication date |
---|---|
GB2358226B (en) | 2003-09-24 |
DE10001109B4 (de) | 2012-01-19 |
GB2358226A (en) | 2001-07-18 |
GB0100586D0 (en) | 2001-02-21 |
US20010016162A1 (en) | 2001-08-23 |
US6379118B2 (en) | 2002-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: ALSTOM (SWITZERLAND) LTD., BADEN, CH |
|
8127 | New person/name/address of the applicant |
Owner name: ALSTOM TECHNOLOGY LTD, BADEN, CH |
|
8110 | Request for examination paragraph 44 | ||
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final |
Effective date: 20120420 |
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R081 | Change of applicant/patentee |
Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH |
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R082 | Change of representative |
Representative=s name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE |
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R081 | Change of applicant/patentee |
Owner name: ANSALDO ENERGIA IP UK LIMITED, GB Free format text: FORMER OWNER: GENERAL ELECTRIC TECHNOLOGY GMBH, BADEN, CH |
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R082 | Change of representative |
Representative=s name: ROESLER, UWE, DIPL.-PHYS.UNIV., DE |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |