EP2614220A1 - Rotor for a steam turbine, having axially asymmetrical cross-sectional profiles - Google Patents
Rotor for a steam turbine, having axially asymmetrical cross-sectional profilesInfo
- Publication number
- EP2614220A1 EP2614220A1 EP11751877.9A EP11751877A EP2614220A1 EP 2614220 A1 EP2614220 A1 EP 2614220A1 EP 11751877 A EP11751877 A EP 11751877A EP 2614220 A1 EP2614220 A1 EP 2614220A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- recesses
- recess
- region
- relief
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/13—Two-dimensional trapezoidal
-
- 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
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
-
- 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
- F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
-
- 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
- F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
- F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11751877.9A EP2614220B1 (en) | 2010-09-08 | 2011-08-29 | Rotor for a steam turbine, having axially asymmetrical cross-sectional profiles |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10175762A EP2428642A1 (en) | 2010-09-08 | 2010-09-08 | Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis |
PCT/EP2011/064824 WO2012031931A1 (en) | 2010-09-08 | 2011-08-29 | Rotor for a steam turbine, having axially asymmetrical cross-sectional profiles |
EP11751877.9A EP2614220B1 (en) | 2010-09-08 | 2011-08-29 | Rotor for a steam turbine, having axially asymmetrical cross-sectional profiles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2614220A1 true EP2614220A1 (en) | 2013-07-17 |
EP2614220B1 EP2614220B1 (en) | 2015-07-15 |
Family
ID=43530969
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10175762A Withdrawn EP2428642A1 (en) | 2010-09-08 | 2010-09-08 | Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis |
EP11751877.9A Not-in-force EP2614220B1 (en) | 2010-09-08 | 2011-08-29 | Rotor for a steam turbine, having axially asymmetrical cross-sectional profiles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10175762A Withdrawn EP2428642A1 (en) | 2010-09-08 | 2010-09-08 | Rotor for a steam turbine with circumferential recesses inclined in respect to the rotor main axis |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2428642A1 (en) |
CN (1) | CN103097665B (en) |
WO (1) | WO2012031931A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH437923A (en) * | 1966-04-14 | 1967-06-15 | Albert Ufenast Friedrich | Rotary piston engine |
EP0353447A1 (en) * | 1988-07-29 | 1990-02-07 | Westinghouse Electric Corporation | Side-entry grooves for mounting turbine blades |
US5492447A (en) * | 1994-10-06 | 1996-02-20 | General Electric Company | Laser shock peened rotor components for turbomachinery |
US5641275A (en) * | 1995-01-26 | 1997-06-24 | Ansimag Inc. | Grooved shaft for a magnetic-drive centrifugal pump |
GB9825504D0 (en) * | 1998-11-21 | 1999-01-13 | Heap Roland G | An engine |
KR100697471B1 (en) * | 1999-05-14 | 2007-03-20 | 제너럴 일렉트릭 캄파니 | Retention sleeve for a thermal medium carrying tube in a gas turbine |
EP1614857A1 (en) * | 2004-07-05 | 2006-01-11 | Siemens Aktiengesellschaft | Turbomachine with a rotor comprising at least one drilled disc |
US8425194B2 (en) * | 2007-07-19 | 2013-04-23 | General Electric Company | Clamped plate seal |
US8453463B2 (en) * | 2009-05-27 | 2013-06-04 | Pratt & Whitney Canada Corp. | Anti-vortex device for a gas turbine engine compressor |
-
2010
- 2010-09-08 EP EP10175762A patent/EP2428642A1/en not_active Withdrawn
-
2011
- 2011-08-29 EP EP11751877.9A patent/EP2614220B1/en not_active Not-in-force
- 2011-08-29 CN CN201180043522.4A patent/CN103097665B/en not_active Expired - Fee Related
- 2011-08-29 WO PCT/EP2011/064824 patent/WO2012031931A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2012031931A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103097665A (en) | 2013-05-08 |
EP2428642A1 (en) | 2012-03-14 |
EP2614220B1 (en) | 2015-07-15 |
CN103097665B (en) | 2015-04-01 |
WO2012031931A1 (en) | 2012-03-15 |
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