ES2052437A2 - Diseño de alabe perfeccionado con refuerzo integrante. - Google Patents
Diseño de alabe perfeccionado con refuerzo integrante.Info
- Publication number
- ES2052437A2 ES2052437A2 ES09200575A ES9200575A ES2052437A2 ES 2052437 A2 ES2052437 A2 ES 2052437A2 ES 09200575 A ES09200575 A ES 09200575A ES 9200575 A ES9200575 A ES 9200575A ES 2052437 A2 ES2052437 A2 ES 2052437A2
- Authority
- ES
- Spain
- Prior art keywords
- integral shroud
- shroud
- blade design
- shroud blade
- tip
- 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
- F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
-
- 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
- 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
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
DISEÑO DE ALABE PERFECCIONADO CON REFUERZO INTEGRANTE QUE COMPRENDE UNA PARTE DE RAIZ PARA MONTAR EL ALABE EN UNA CORONA SOBRE UN ROTOR DE TURBINA; UNA PARTE DE PLATAFORMA; UNA PARTE DE HOJA AERODINAMICA EXTENDIDA HACIA ARRIBA DESDE LA PARTE DE PLATAFORMA Y QUE TIENE UN BORDE ANTERIOR, UN BORDE POSTERIOR Y UNA PUNTA; UN REFUERZO FORMADO EN LA PUNTA DE LA PARTE DE HOJA AERODINAMICA Y QUE TIENE DOS SUPERFICIES LATERALES TANGENCIALES OPUESTAS Y UNA SUPERFICIE SUPERIOR; Y AL MENOS UN PAR DE ORIFICIOS, ESTANDO FORMADO UN ORIFICIO DE CADA PAR EN CADA UNO DE LOS LADOS TANGENCIALES DEL REFUERZO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/676,413 US5156529A (en) | 1991-03-28 | 1991-03-28 | Integral shroud blade design |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2052437A2 true ES2052437A2 (es) | 1994-07-01 |
ES2052437R ES2052437R (es) | 1996-07-01 |
ES2052437B1 ES2052437B1 (es) | 1997-02-16 |
Family
ID=24714405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES09200575A Expired - Lifetime ES2052437B1 (es) | 1991-03-28 | 1992-03-17 | Diseño de alabe perfeccionado con refuerzo integrante. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5156529A (es) |
JP (1) | JPH0586804A (es) |
CA (1) | CA2064361A1 (es) |
ES (1) | ES2052437B1 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203676A (en) * | 1992-03-05 | 1993-04-20 | Westinghouse Electric Corp. | Ruggedized tapered twisted integral shroud blade |
US5365663A (en) * | 1992-04-28 | 1994-11-22 | Westinghouse Electric Corporation | Method of attaching a monitor target to a shrouded blade |
DE4324960A1 (de) * | 1993-07-24 | 1995-01-26 | Mtu Muenchen Gmbh | Laufrad einer Turbomaschine, insbesondere einer Turbine eines Gasturbinentriebwerks |
US5352092A (en) * | 1993-11-24 | 1994-10-04 | Westinghouse Electric Corporation | Light weight steam turbine blade |
US5522705A (en) * | 1994-05-13 | 1996-06-04 | United Technologies Corporation | Friction damper for gas turbine engine blades |
DE4432999C2 (de) * | 1994-09-16 | 1998-07-30 | Mtu Muenchen Gmbh | Laufrad einer Turbomaschine, insbesondere einer axial durchströmten Turbine eines Gasturbinentriebwerks |
US5667361A (en) * | 1995-09-14 | 1997-09-16 | United Technologies Corporation | Flutter resistant blades, vanes and arrays thereof for a turbomachine |
US6482533B2 (en) | 2001-03-05 | 2002-11-19 | The Boeing Company | Article having imbedded cavity |
JP4765882B2 (ja) * | 2006-10-05 | 2011-09-07 | 株式会社日立製作所 | 蒸気タービン動翼 |
EP1985803A1 (de) * | 2007-04-23 | 2008-10-29 | Siemens Aktiengesellschaft | Verfahren zum Herstellen von beschichteten Turbinenlaufschaufeln |
US20100166550A1 (en) * | 2008-12-31 | 2010-07-01 | Devangada Siddaraja M | Methods, systems and/or apparatus relating to frequency-tuned turbine blades |
EP2221454A1 (en) * | 2009-02-24 | 2010-08-25 | Alstom Technology Ltd | Gas turbine shrouded blade |
ES2869338T3 (es) * | 2011-10-07 | 2021-10-25 | MTU Aero Engines AG | Anillo de refuerzo de una paleta para una turbomaquinaria |
US8894368B2 (en) | 2012-01-04 | 2014-11-25 | General Electric Company | Device and method for aligning tip shrouds |
ITTO20120517A1 (it) * | 2012-06-14 | 2013-12-15 | Avio Spa | Schiera di profili aerodinamici per un impianto di turbina a gas |
EP2938832B1 (en) * | 2012-12-28 | 2019-02-06 | United Technologies Corporation | Shrouded turbine blade with cut corner |
JP6779629B2 (ja) * | 2016-02-04 | 2020-11-04 | 三菱パワー株式会社 | 動翼、回転機械及び動翼の振動数調整方法 |
KR101985103B1 (ko) * | 2017-10-30 | 2019-05-31 | 두산중공업 주식회사 | 가스 터빈 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097192A (en) * | 1977-01-06 | 1978-06-27 | Curtiss-Wright Corporation | Turbine rotor and blade configuration |
GB2106997A (en) * | 1981-10-01 | 1983-04-20 | Rolls Royce | Vibration damped rotor blade for a turbomachine |
US4441859A (en) * | 1981-02-12 | 1984-04-10 | Rolls-Royce Limited | Rotor blade for a gas turbine engine |
US4484859A (en) * | 1980-01-17 | 1984-11-27 | Rolls-Royce Limited | Rotor blade for a gas turbine engine |
US4767273A (en) * | 1987-02-24 | 1988-08-30 | Westinghouse Electric Corp. | Apparatus and method for reducing blade flop in steam turbine |
US4878810A (en) * | 1988-05-20 | 1989-11-07 | Westinghouse Electric Corp. | Turbine blades having alternating resonant frequencies |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2430140A (en) * | 1945-04-06 | 1947-11-04 | Northrop Hendy Company | Turbine blade and mounting |
US3649133A (en) * | 1970-09-10 | 1972-03-14 | Westinghouse Electric Corp | Rotor blade coupler arrangement |
CH666722A5 (de) * | 1985-07-05 | 1988-08-15 | Bbc Brown Boveri & Cie | Laufschaufelkranz einer axial durchstroemten turbomaschine. |
US4776764A (en) * | 1987-04-02 | 1988-10-11 | Ortolano Ralph J | Structure for an axial flow elastic fluid utilizing machine |
-
1991
- 1991-03-28 US US07/676,413 patent/US5156529A/en not_active Expired - Lifetime
-
1992
- 1992-03-17 ES ES09200575A patent/ES2052437B1/es not_active Expired - Lifetime
- 1992-03-26 JP JP4068308A patent/JPH0586804A/ja active Pending
- 1992-03-27 CA CA002064361A patent/CA2064361A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097192A (en) * | 1977-01-06 | 1978-06-27 | Curtiss-Wright Corporation | Turbine rotor and blade configuration |
US4484859A (en) * | 1980-01-17 | 1984-11-27 | Rolls-Royce Limited | Rotor blade for a gas turbine engine |
US4441859A (en) * | 1981-02-12 | 1984-04-10 | Rolls-Royce Limited | Rotor blade for a gas turbine engine |
GB2106997A (en) * | 1981-10-01 | 1983-04-20 | Rolls Royce | Vibration damped rotor blade for a turbomachine |
US4767273A (en) * | 1987-02-24 | 1988-08-30 | Westinghouse Electric Corp. | Apparatus and method for reducing blade flop in steam turbine |
US4878810A (en) * | 1988-05-20 | 1989-11-07 | Westinghouse Electric Corp. | Turbine blades having alternating resonant frequencies |
Also Published As
Publication number | Publication date |
---|---|
CA2064361A1 (en) | 1992-09-29 |
ES2052437R (es) | 1996-07-01 |
ES2052437B1 (es) | 1997-02-16 |
JPH0586804A (ja) | 1993-04-06 |
US5156529A (en) | 1992-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19920317 Kind code of ref document: B1 Effective date: 19920317 |
|
FA2A | Application withdrawn |
Effective date: 19980324 |