EP2436878A3 - Coupling bolt for turbine blades - Google Patents
Coupling bolt for turbine blades Download PDFInfo
- Publication number
- EP2436878A3 EP2436878A3 EP11180377.1A EP11180377A EP2436878A3 EP 2436878 A3 EP2436878 A3 EP 2436878A3 EP 11180377 A EP11180377 A EP 11180377A EP 2436878 A3 EP2436878 A3 EP 2436878A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- turbine blades
- coupling
- coupling bolt
- composite material
- fiber composite
- 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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
-
- 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
- F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
-
- 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
- F05D2230/60—Assembly methods
- F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
-
- 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
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/232—Three-dimensional prismatic conical
-
- 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
- F05D2260/30—Retaining components in desired mutual position
-
- 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
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Die Erfindung betrifft einen Koppelbolzen (1) zum Koppeln von zwei oder mehreren Turbinenschaufeln (2), wobei die Koppelbolzen (1) zumindest teilweise aus Faserverbundwerkstoff bestehen. Durch die zumindest teilweise Ausbildung aus Faserverbundwerkstoff kann das Gewicht der Koppelbolzen (1) gegenüber im Stand der Technik deutlich herabgesetzt werden. The invention relates to a coupling bolt (1) for coupling two or more turbine blades (2), wherein the coupling bolts (1) consist at least partially of fiber composite material. Due to the at least partial formation of fiber composite material, the weight of the coupling pin (1) compared to the prior art can be significantly reduced.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010041702A DE102010041702A1 (en) | 2010-09-30 | 2010-09-30 | Coupling bolt for turbine blades |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2436878A2 EP2436878A2 (en) | 2012-04-04 |
EP2436878A3 true EP2436878A3 (en) | 2016-06-22 |
EP2436878B1 EP2436878B1 (en) | 2017-08-02 |
Family
ID=44675493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11180377.1A Not-in-force EP2436878B1 (en) | 2010-09-30 | 2011-09-07 | Coupling pin for turbine blades |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2436878B1 (en) |
DE (1) | DE102010041702A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017203308A1 (en) | 2017-03-01 | 2018-09-06 | Siemens Aktiengesellschaft | Turbine stage with coupling element |
DE102020215479A1 (en) | 2020-12-08 | 2022-06-09 | Siemens Energy Global GmbH & Co. KG | New damping element for steam turbine blades |
CN114559394A (en) * | 2021-11-18 | 2022-05-31 | 中国长江动力集团有限公司 | Universal ejection tool for assembling steam turbine monobloc forging rotor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327995A (en) * | 1965-07-31 | 1967-06-27 | Rolls Royce | Bladed rotor |
DE1551204A1 (en) * | 1966-06-28 | 1970-02-12 | Rolls Royce | Bladed rotor, especially for gas turbine jet engines |
US20070086889A1 (en) * | 2005-05-05 | 2007-04-19 | Matheny Alfred P | Composite tip shroud ring |
US20090010762A1 (en) * | 2007-04-27 | 2009-01-08 | Snecma | Damper for turbomachine vanes |
DE102008052021A1 (en) * | 2008-10-16 | 2010-04-22 | Siemens Aktiengesellschaft | Damping device for a blade ring of an axial turbine |
-
2010
- 2010-09-30 DE DE102010041702A patent/DE102010041702A1/en not_active Ceased
-
2011
- 2011-09-07 EP EP11180377.1A patent/EP2436878B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327995A (en) * | 1965-07-31 | 1967-06-27 | Rolls Royce | Bladed rotor |
DE1551204A1 (en) * | 1966-06-28 | 1970-02-12 | Rolls Royce | Bladed rotor, especially for gas turbine jet engines |
US20070086889A1 (en) * | 2005-05-05 | 2007-04-19 | Matheny Alfred P | Composite tip shroud ring |
US20090010762A1 (en) * | 2007-04-27 | 2009-01-08 | Snecma | Damper for turbomachine vanes |
DE102008052021A1 (en) * | 2008-10-16 | 2010-04-22 | Siemens Aktiengesellschaft | Damping device for a blade ring of an axial turbine |
Also Published As
Publication number | Publication date |
---|---|
EP2436878A2 (en) | 2012-04-04 |
EP2436878B1 (en) | 2017-08-02 |
DE102010041702A1 (en) | 2012-04-05 |
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