DE69824817D1 - Schwingungsgedämpfte Turbomaschinenschaufel - Google Patents
Schwingungsgedämpfte TurbomaschinenschaufelInfo
- Publication number
- DE69824817D1 DE69824817D1 DE69824817T DE69824817T DE69824817D1 DE 69824817 D1 DE69824817 D1 DE 69824817D1 DE 69824817 T DE69824817 T DE 69824817T DE 69824817 T DE69824817 T DE 69824817T DE 69824817 D1 DE69824817 D1 DE 69824817D1
- Authority
- DE
- Germany
- Prior art keywords
- damped
- vibration
- turbomachine blade
- turbomachine
- blade
- 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.)
- Expired - Lifetime
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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US995975 | 1997-12-22 | ||
US08/995,975 US5947688A (en) | 1997-12-22 | 1997-12-22 | Frequency tuned hybrid blade |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69824817D1 true DE69824817D1 (de) | 2004-08-05 |
DE69824817T2 DE69824817T2 (de) | 2006-07-06 |
Family
ID=25542382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69824817T Expired - Lifetime DE69824817T2 (de) | 1997-12-22 | 1998-12-16 | Frequenzabgestimmte Turbomaschinenschaufel |
Country Status (4)
Country | Link |
---|---|
US (1) | US5947688A (de) |
EP (1) | EP0924381B1 (de) |
JP (1) | JP3832987B2 (de) |
DE (1) | DE69824817T2 (de) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5913661A (en) * | 1997-12-22 | 1999-06-22 | General Electric Company | Striated hybrid blade |
US6287080B1 (en) * | 1999-11-15 | 2001-09-11 | General Electric Company | Elastomeric formulation used in the construction of lightweight aircraft engine fan blades |
US6454536B1 (en) * | 2000-02-09 | 2002-09-24 | General Electric Company | Adhesion enhancers to promote bonds of improved strength between elastomers metals in lightweight aircraft fan blades |
US6561761B1 (en) * | 2000-02-18 | 2003-05-13 | General Electric Company | Fluted compressor flowpath |
EP1128023A1 (de) | 2000-02-25 | 2001-08-29 | Siemens Aktiengesellschaft | Turbinenlaufschaufel |
US6364616B1 (en) | 2000-05-05 | 2002-04-02 | General Electric Company | Submerged rib hybrid blade |
DE50014498D1 (de) | 2000-09-14 | 2007-08-30 | Siemens Ag | Dampfturbine und Verfahren zur Messung der Schwingung einer Laufschaufel in einem Strömungskanal einer Dampfturbine |
US6481972B2 (en) * | 2000-12-22 | 2002-11-19 | General Electric Company | Turbine bucket natural frequency tuning rib |
EP1426553A1 (de) * | 2002-12-03 | 2004-06-09 | Techspace Aero S.A. | Gewichtsreduktion in Rotorschaufeln |
US20040115059A1 (en) * | 2002-12-12 | 2004-06-17 | Kehl Richard Eugene | Cored steam turbine bucket |
US20040136831A1 (en) * | 2003-01-09 | 2004-07-15 | Barb Kevin J. | Weight reduced steam turbine blade |
US6854959B2 (en) | 2003-04-16 | 2005-02-15 | General Electric Company | Mixed tuned hybrid bucket and related method |
FR2855441B1 (fr) * | 2003-05-27 | 2006-07-14 | Snecma Moteurs | Aube creuse pour turbomachine et procede de fabrication d'une telle aube. |
GB0325215D0 (en) * | 2003-10-29 | 2003-12-03 | Rolls Royce Plc | Design of vanes for exposure to vibratory loading |
US7334998B2 (en) * | 2003-12-08 | 2008-02-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Low-noise fan exit guide vanes |
US7104760B2 (en) * | 2004-05-05 | 2006-09-12 | General Electric Company | Hybrid bucket and related method of pocket design |
US7104761B2 (en) * | 2004-07-28 | 2006-09-12 | General Electric Company | Hybrid turbine blade and related method |
US7147437B2 (en) * | 2004-08-09 | 2006-12-12 | General Electric Company | Mixed tuned hybrid blade related method |
US7942639B2 (en) * | 2006-03-31 | 2011-05-17 | General Electric Company | Hybrid bucket dovetail pocket design for mechanical retainment |
JP4863162B2 (ja) * | 2006-05-26 | 2012-01-25 | 株式会社Ihi | ターボファンエンジンのファン動翼 |
US20080159856A1 (en) * | 2006-12-29 | 2008-07-03 | Thomas Ory Moniz | Guide vane and method of fabricating the same |
GB2450937B (en) * | 2007-07-13 | 2009-06-03 | Rolls Royce Plc | Component with tuned frequency response |
US8083489B2 (en) * | 2009-04-16 | 2011-12-27 | United Technologies Corporation | Hybrid structure fan blade |
US8585368B2 (en) | 2009-04-16 | 2013-11-19 | United Technologies Corporation | Hybrid structure airfoil |
US9121284B2 (en) | 2012-01-27 | 2015-09-01 | United Technologies Corporation | Modal tuning for vanes |
US9074482B2 (en) * | 2012-04-24 | 2015-07-07 | United Technologies Corporation | Airfoil support method and apparatus |
US9453418B2 (en) | 2012-12-17 | 2016-09-27 | United Technologies Corporation | Hollow airfoil with composite cover and foam filler |
US9957824B2 (en) | 2013-03-15 | 2018-05-01 | United Technologies Corporation | Vibration damping for structural guide vanes |
US10330112B2 (en) | 2013-12-30 | 2019-06-25 | United Technologies Corporation | Fan blade with root through holes |
US9920650B2 (en) | 2014-02-14 | 2018-03-20 | United Technologies Corporation | Retention of damping media |
JP6503698B2 (ja) * | 2014-11-17 | 2019-04-24 | 株式会社Ihi | 軸流機械の翼 |
US10260372B2 (en) * | 2015-01-29 | 2019-04-16 | United Technologies Corporation | Vibration damping assembly and method of damping vibration in a gas turbine engine |
US10294965B2 (en) | 2016-05-25 | 2019-05-21 | Honeywell International Inc. | Compression system for a turbine engine |
US10577940B2 (en) * | 2017-01-31 | 2020-03-03 | General Electric Company | Turbomachine rotor blade |
US11448233B2 (en) | 2017-05-23 | 2022-09-20 | Raytheon Technologies Corporation | Following blade impact load support |
US10612387B2 (en) | 2017-05-25 | 2020-04-07 | United Technologies Corporation | Airfoil damping assembly for gas turbine engine |
US10641098B2 (en) * | 2017-07-14 | 2020-05-05 | United Technologies Corporation | Gas turbine engine hollow fan blade rib orientation |
US10557353B2 (en) | 2017-10-18 | 2020-02-11 | United Technologies Corporation | Hollow fan blade constrained layer damper |
US10465715B2 (en) * | 2017-10-18 | 2019-11-05 | Goodrich Corporation | Blade with damping structures |
US10677068B2 (en) * | 2018-01-18 | 2020-06-09 | Raytheon Technologies Corporation | Fan blade with filled pocket |
US11286807B2 (en) | 2018-09-28 | 2022-03-29 | General Electric Company | Metallic compliant tip fan blade |
US10920607B2 (en) * | 2018-09-28 | 2021-02-16 | General Electric Company | Metallic compliant tip fan blade |
US10995632B2 (en) | 2019-03-11 | 2021-05-04 | Raytheon Technologies Corporation | Damped airfoil for a gas turbine engine |
GB201917767D0 (en) * | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | High power epicyclic gearbox and operation thereof |
GB201917772D0 (en) | 2019-12-05 | 2020-01-22 | Rolls Royce Plc | Aircraft engine |
US11371358B2 (en) | 2020-02-19 | 2022-06-28 | General Electric Company | Turbine damper |
US11624287B2 (en) * | 2020-02-21 | 2023-04-11 | Raytheon Technologies Corporation | Ceramic matrix composite component having low density core and method of making |
US11795831B2 (en) | 2020-04-17 | 2023-10-24 | Rtx Corporation | Multi-material vane for a gas turbine engine |
US11572796B2 (en) | 2020-04-17 | 2023-02-07 | Raytheon Technologies Corporation | Multi-material vane for a gas turbine engine |
US11639685B1 (en) * | 2021-11-29 | 2023-05-02 | General Electric Company | Blades including integrated damping structures and methods of forming the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB493255A (en) * | 1937-03-20 | 1938-10-05 | Dornier Werke Gmbh | Improvements in or relating to metal air propellers |
FR2688264A1 (fr) * | 1992-03-04 | 1993-09-10 | Snecma | Redresseur de turbomachine a aubes ayant une face alveolee chargee en materiau composite. |
FR2695163B1 (fr) * | 1992-09-02 | 1994-10-28 | Snecma | Aube creuse pour turbomachine et son procédé de fabrication. |
FR2698126B1 (fr) * | 1992-11-18 | 1994-12-16 | Snecma | Aube creuse de soufflante ou compresseur de turbomachine. |
US5655883A (en) * | 1995-09-25 | 1997-08-12 | General Electric Company | Hybrid blade for a gas turbine |
US5634771A (en) * | 1995-09-25 | 1997-06-03 | General Electric Company | Partially-metallic blade for a gas turbine |
US5839882A (en) * | 1997-04-25 | 1998-11-24 | General Electric Company | Gas turbine blade having areas of different densities |
-
1997
- 1997-12-22 US US08/995,975 patent/US5947688A/en not_active Expired - Lifetime
-
1998
- 1998-12-16 EP EP98310319A patent/EP0924381B1/de not_active Expired - Lifetime
- 1998-12-16 DE DE69824817T patent/DE69824817T2/de not_active Expired - Lifetime
- 1998-12-22 JP JP36371998A patent/JP3832987B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0924381A2 (de) | 1999-06-23 |
JPH11280403A (ja) | 1999-10-12 |
EP0924381B1 (de) | 2004-06-30 |
EP0924381A3 (de) | 2000-08-23 |
DE69824817T2 (de) | 2006-07-06 |
JP3832987B2 (ja) | 2006-10-11 |
US5947688A (en) | 1999-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN |