EP1217170A3 - Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen - Google Patents
Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen Download PDFInfo
- Publication number
- EP1217170A3 EP1217170A3 EP01306925A EP01306925A EP1217170A3 EP 1217170 A3 EP1217170 A3 EP 1217170A3 EP 01306925 A EP01306925 A EP 01306925A EP 01306925 A EP01306925 A EP 01306925A EP 1217170 A3 EP1217170 A3 EP 1217170A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- turbine bucket
- tuning
- natural frequency
- turbine
- orientation
- 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.)
- Withdrawn
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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
- B22D27/045—Directionally solidified castings
-
- 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
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- 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
- F05D2300/607—Monocrystallinity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US735503 | 2000-12-14 | ||
US09/735,503 US20020074102A1 (en) | 2000-12-14 | 2000-12-14 | Method using secondary orientation to tune bucket natural frequency |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1217170A2 EP1217170A2 (de) | 2002-06-26 |
EP1217170A3 true EP1217170A3 (de) | 2003-10-15 |
Family
ID=24956083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01306925A Withdrawn EP1217170A3 (de) | 2000-12-14 | 2001-08-14 | Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020074102A1 (de) |
EP (1) | EP1217170A3 (de) |
JP (1) | JP2002201902A (de) |
KR (1) | KR20020046909A (de) |
CZ (1) | CZ20012940A3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7338259B2 (en) * | 2004-03-02 | 2008-03-04 | United Technologies Corporation | High modulus metallic component for high vibratory operation |
US20050227106A1 (en) * | 2004-04-08 | 2005-10-13 | Schlichting Kevin W | Single crystal combustor panels having controlled crystallographic orientation |
US7988412B2 (en) * | 2007-08-24 | 2011-08-02 | General Electric Company | Structures for damping of turbine components |
CN102451619B (zh) * | 2010-10-15 | 2013-11-20 | 中国石油化工股份有限公司 | Y型分子筛膜及二氯甲烷中水分的脱除方法 |
US20120101792A1 (en) * | 2010-10-25 | 2012-04-26 | Alexander Staroselsky | Turbine component and method for developing a component |
ES2583756T3 (es) * | 2011-04-01 | 2016-09-22 | MTU Aero Engines AG | Disposición de álabes para una turbomáquina |
DE102013226015A1 (de) | 2013-12-16 | 2015-07-16 | MTU Aero Engines AG | Schaufelgitter |
DE102014214270A1 (de) * | 2014-07-22 | 2016-02-18 | MTU Aero Engines AG | Schaufelgitter für eine Turbomaschine |
FR3038341B1 (fr) * | 2015-07-03 | 2017-07-28 | Snecma | Procede d'alteration de la loi de vrillage de la surface aerodynamique d'une pale de soufflante de moteur a turbine a gaz |
DE102018202725A1 (de) | 2018-02-22 | 2019-08-22 | MTU Aero Engines AG | Anordnung von Schaufeln in einem Schaufelkranz auf Grundlage einer primären Kristallorientierung |
CN109269745B (zh) * | 2018-10-30 | 2021-01-19 | 湖南科技大学 | 基于托辊激振法的大型斗轮机悬臂低频振动测试方法 |
US11499431B2 (en) | 2021-01-06 | 2022-11-15 | General Electric Company | Engine component with structural segment |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3044746A (en) * | 1960-05-18 | 1962-07-17 | Gen Electric | Fluid-flow machinery blading |
US4605452A (en) * | 1981-12-14 | 1986-08-12 | United Technologies Corporation | Single crystal articles having controlled secondary crystallographic orientation |
US4804311A (en) * | 1981-12-14 | 1989-02-14 | United Technologies Corporation | Transverse directional solidification of metal single crystal articles |
US4919593A (en) * | 1988-08-30 | 1990-04-24 | Westinghouse Electric Corp. | Retrofitted rotor blades for steam turbines and method of making the same |
JPH0633701A (ja) * | 1992-07-16 | 1994-02-08 | Hitachi Ltd | ガスタービン用単結晶動翼及びその製造法 |
US5292385A (en) * | 1991-12-18 | 1994-03-08 | Alliedsignal Inc. | Turbine rotor having improved rim durability |
US5682747A (en) * | 1996-04-10 | 1997-11-04 | General Electric Company | Gas turbine combustor heat shield of casted super alloy |
JPH1136805A (ja) * | 1997-07-14 | 1999-02-09 | Hitachi Ltd | タービン翼 |
-
2000
- 2000-12-14 US US09/735,503 patent/US20020074102A1/en not_active Abandoned
-
2001
- 2001-08-14 KR KR1020010048952A patent/KR20020046909A/ko not_active Application Discontinuation
- 2001-08-14 EP EP01306925A patent/EP1217170A3/de not_active Withdrawn
- 2001-08-14 JP JP2001245829A patent/JP2002201902A/ja not_active Withdrawn
- 2001-08-14 CZ CZ20012940A patent/CZ20012940A3/cs unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3044746A (en) * | 1960-05-18 | 1962-07-17 | Gen Electric | Fluid-flow machinery blading |
US4605452A (en) * | 1981-12-14 | 1986-08-12 | United Technologies Corporation | Single crystal articles having controlled secondary crystallographic orientation |
US4804311A (en) * | 1981-12-14 | 1989-02-14 | United Technologies Corporation | Transverse directional solidification of metal single crystal articles |
US4919593A (en) * | 1988-08-30 | 1990-04-24 | Westinghouse Electric Corp. | Retrofitted rotor blades for steam turbines and method of making the same |
US5292385A (en) * | 1991-12-18 | 1994-03-08 | Alliedsignal Inc. | Turbine rotor having improved rim durability |
JPH0633701A (ja) * | 1992-07-16 | 1994-02-08 | Hitachi Ltd | ガスタービン用単結晶動翼及びその製造法 |
US5682747A (en) * | 1996-04-10 | 1997-11-04 | General Electric Company | Gas turbine combustor heat shield of casted super alloy |
JPH1136805A (ja) * | 1997-07-14 | 1999-02-09 | Hitachi Ltd | タービン翼 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 249 (M - 1604) 12 May 1994 (1994-05-12) * |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 05 31 May 1999 (1999-05-31) * |
Also Published As
Publication number | Publication date |
---|---|
CZ20012940A3 (cs) | 2002-07-17 |
JP2002201902A (ja) | 2002-07-19 |
KR20020046909A (ko) | 2002-06-21 |
US20020074102A1 (en) | 2002-06-20 |
EP1217170A2 (de) | 2002-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1217170A3 (de) | Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen | |
RU2004104119A (ru) | Турбина турбомашины, оснащенная лопатками с регулируемой резонансной частотой и способ регулирования резонансной частоты лопатки турбины | |
US7500299B2 (en) | Method for introducing a deliberate mismatch on a turbomachine bladed wheel and bladed wheel with a deliberate mismatch | |
EP1340885A3 (de) | Halterung für ein Dichtband bei einem Gasturbinenleitapparat | |
EP1217171A3 (de) | Verstärkungsrippe zur Beeinflussung der Eigenfrequenz einer Turbinenschaufel | |
US8499449B2 (en) | Method for manufacturing a turbine blade | |
US20070036658A1 (en) | Tunable gas turbine engine fan assembly | |
EP1571297A3 (de) | Mit hohem Elastizitätsmodul Turbine metallischen Bauteils zur Anwendung in einem starken Vibrationsfeld | |
US20050254958A1 (en) | Natural frequency tuning of gas turbine engine blades | |
EP1870579A3 (de) | Verdichter für einen Turbinenmotor | |
EP0874136A3 (de) | Schaufelblatt mit Sollbruchstelle | |
EP1826414A3 (de) | Rotorblatt für die zweite Phase eines Kompressors | |
CA2409382A1 (en) | Blade for turbine engine | |
EP2072758A3 (de) | Verfahren zur Änderung der Eigenfrequenz einer Schaufel für ein Gasturbinentriebwerk und die entsprechende Schaufel | |
EP1396608A3 (de) | Integral beschaufelter Rotor | |
CA2051133A1 (en) | Gas turbine, gas turbine blade used therefor and manufacturing method for gas turbine blade | |
EP1361340A3 (de) | Turbinenschaufel mit Schaufelfusskerbe | |
EP1013911A3 (de) | Befestigung von Hilfsgeräten an einem Geräteträger-Getriebe | |
EP1227217A3 (de) | Gasturbine | |
EP1983159A3 (de) | Ummantelte doppeltlegierte Einkristallturbinenscheibe | |
SG130089A1 (en) | Turbine blades | |
EP1548230A3 (de) | Schaufel mit gestalteten Stegen an der Abströmkante | |
EP1422381A3 (de) | Reparaturmethode für einen Turbinenleitapparat und Turbinenleitapparat | |
CN110298117A (zh) | 一种燃气轮机压气机叶片调频设计方法 | |
EP1876324A3 (de) | Laufschaufel einer Gasturbine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7C 30B 11/14 B Ipc: 7F 01D 5/16 B Ipc: 7B 22D 25/00 B Ipc: 7B 22D 27/00 B Ipc: 7F 01D 5/28 B Ipc: 7F 01D 5/14 A |
|
17P | Request for examination filed |
Effective date: 20040415 |
|
AKX | Designation fees paid |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
17Q | First examination report despatched |
Effective date: 20040820 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20070301 |