JP5661798B2 - 内部通気ブレード - Google Patents
内部通気ブレード Download PDFInfo
- Publication number
- JP5661798B2 JP5661798B2 JP2012546450A JP2012546450A JP5661798B2 JP 5661798 B2 JP5661798 B2 JP 5661798B2 JP 2012546450 A JP2012546450 A JP 2012546450A JP 2012546450 A JP2012546450 A JP 2012546450A JP 5661798 B2 JP5661798 B2 JP 5661798B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- trailing edge
- cavity
- tip
- closest
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title description 9
- 238000005192 partition Methods 0.000 claims description 16
- 239000000112 cooling gas Substances 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 13
- 210000001015 abdomen Anatomy 0.000 description 4
- 238000005273 aeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000003187 abdominal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
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- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
-
- 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
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2260/60—Fluid transfer
- F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Building Environments (AREA)
Description
Claims (2)
- 冷却ガスを循環させるための内部空洞(4、6、8)を含むブレード(1)にして、空洞は隔壁(5、9)によって分割され、隔壁の1つでブレードの後縁(7)に最も近い隔壁(9)は、ブレードのプラットフォーム(3)から外縁の半径まで測定した場合、ブレードの少なくとも70%の高さから後縁に向かってより大きく傾斜したブレード(1)であって、ブレードの後縁の領域でブレードの後縁に最も近い前記隔壁(9)によって区切られた空洞の1つ(8)は、ブレードの側面に通じる一連の穿孔を含み、前記穿孔は、前記空洞(8)内に前記隔壁(9)に平行な線上に配置された開口部(21)を通って形成されることを特徴とするブレード。
- ブレードの後縁に最も近い前記隔壁(9)のブレードの少なくとも70%の高さからのより大きな傾斜が、ブレードの先端(11)に近づくにつれ徐々に大きくなることを特徴とする、請求項1に記載のブレード。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0959698 | 2009-12-31 | ||
FR0959698A FR2954798B1 (fr) | 2009-12-31 | 2009-12-31 | Aube a ventilation interieure |
PCT/EP2010/070933 WO2011080319A1 (fr) | 2009-12-31 | 2010-12-30 | Aube a ventilation interieure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013516563A JP2013516563A (ja) | 2013-05-13 |
JP5661798B2 true JP5661798B2 (ja) | 2015-01-28 |
Family
ID=42133483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012546450A Active JP5661798B2 (ja) | 2009-12-31 | 2010-12-30 | 内部通気ブレード |
Country Status (9)
Country | Link |
---|---|
US (1) | US20120282110A1 (ja) |
EP (1) | EP2519713B1 (ja) |
JP (1) | JP5661798B2 (ja) |
CN (1) | CN102713160B (ja) |
BR (1) | BR112012015844A2 (ja) |
CA (1) | CA2785377C (ja) |
FR (1) | FR2954798B1 (ja) |
RU (1) | RU2554397C2 (ja) |
WO (1) | WO2011080319A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150361798A1 (en) * | 2013-02-12 | 2015-12-17 | United Technologies Corporation | Fan blade including external cavities |
US9771816B2 (en) * | 2014-05-07 | 2017-09-26 | General Electric Company | Blade cooling circuit feed duct, exhaust duct, and related cooling structure |
JP6353131B1 (ja) | 2017-06-29 | 2018-07-04 | 三菱日立パワーシステムズ株式会社 | タービン翼及びガスタービン |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6001A (en) * | 1849-01-02 | Manufacture of lampblack and colophane | ||
BE794194A (fr) * | 1972-01-18 | 1973-07-18 | Bbc Sulzer Turbomaschinen | Aube mobile refroidie pour des turbines a gaz |
SU444888A1 (ru) * | 1973-01-03 | 1974-09-30 | Предприятие П/Я В-2504 | Охлаждаема лопатка турбины |
US4173120A (en) * | 1977-09-09 | 1979-11-06 | International Harvester Company | Turbine nozzle and rotor cooling systems |
US4416585A (en) * | 1980-01-17 | 1983-11-22 | Pratt & Whitney Aircraft Of Canada Limited | Blade cooling for gas turbine engine |
FR2476207A1 (fr) * | 1980-02-19 | 1981-08-21 | Snecma | Perfectionnement aux aubes de turbines refroidies |
SU1228559A1 (ru) * | 1981-11-13 | 1996-10-10 | Г.П. Нагога | Рабочая лопатка газовой турбины |
US4515526A (en) * | 1981-12-28 | 1985-05-07 | United Technologies Corporation | Coolable airfoil for a rotary machine |
GB2165315B (en) * | 1984-10-04 | 1987-12-31 | Rolls Royce | Improvements in or relating to hollow fluid cooled turbine blades |
DE4443696A1 (de) * | 1994-12-08 | 1996-06-13 | Abb Management Ag | Gekühlte Turbinenschaufel |
DE19921644B4 (de) * | 1999-05-10 | 2012-01-05 | Alstom | Kühlbare Schaufel für eine Gasturbine |
EP1167689A1 (de) * | 2000-06-21 | 2002-01-02 | Siemens Aktiengesellschaft | Konfiguration einer kühlbaren Turbinenschaufel |
US6471479B2 (en) * | 2001-02-23 | 2002-10-29 | General Electric Company | Turbine airfoil with single aft flowing three pass serpentine cooling circuit |
US6554575B2 (en) * | 2001-09-27 | 2003-04-29 | General Electric Company | Ramped tip shelf blade |
FR2833298B1 (fr) | 2001-12-10 | 2004-08-06 | Snecma Moteurs | Perfectionnements apportes au comportement thermique du bord de fuite d'une aube de turbine haute-pression |
FR2834015B1 (fr) | 2001-12-20 | 2004-08-13 | Danfoss Maneurop S A | Clapet pour compresseur a spirale |
US6942449B2 (en) * | 2003-01-13 | 2005-09-13 | United Technologies Corporation | Trailing edge cooling |
US7014424B2 (en) * | 2003-04-08 | 2006-03-21 | United Technologies Corporation | Turbine element |
US7008179B2 (en) * | 2003-12-16 | 2006-03-07 | General Electric Co. | Turbine blade frequency tuned pin bank |
RU2263791C1 (ru) * | 2004-03-19 | 2005-11-10 | Федеральное государственное унитарное предприятие "Московское машиностроительное производственное предприятие "САЛЮТ" (ФГУП "ММПП "САЛЮТ") | Охлаждаемая рабочая лопатка турбины |
US7198468B2 (en) * | 2004-07-15 | 2007-04-03 | Pratt & Whitney Canada Corp. | Internally cooled turbine blade |
US7431562B2 (en) * | 2005-12-21 | 2008-10-07 | General Electric Company | Method and apparatus for cooling gas turbine rotor blades |
EP1895096A1 (de) * | 2006-09-04 | 2008-03-05 | Siemens Aktiengesellschaft | Gekühlte Turbinenlaufschaufel |
US7607891B2 (en) * | 2006-10-23 | 2009-10-27 | United Technologies Corporation | Turbine component with tip flagged pedestal cooling |
US8079814B1 (en) * | 2009-04-04 | 2011-12-20 | Florida Turbine Technologies, Inc. | Turbine blade with serpentine flow cooling |
-
2009
- 2009-12-31 FR FR0959698A patent/FR2954798B1/fr not_active Expired - Fee Related
-
2010
- 2010-12-30 BR BR112012015844A patent/BR112012015844A2/pt not_active IP Right Cessation
- 2010-12-30 EP EP10798151.6A patent/EP2519713B1/fr active Active
- 2010-12-30 WO PCT/EP2010/070933 patent/WO2011080319A1/fr active Application Filing
- 2010-12-30 CN CN201080060268.4A patent/CN102713160B/zh active Active
- 2010-12-30 US US13/519,339 patent/US20120282110A1/en not_active Abandoned
- 2010-12-30 RU RU2012132632/06A patent/RU2554397C2/ru active
- 2010-12-30 JP JP2012546450A patent/JP5661798B2/ja active Active
- 2010-12-30 CA CA2785377A patent/CA2785377C/fr active Active
Also Published As
Publication number | Publication date |
---|---|
US20120282110A1 (en) | 2012-11-08 |
EP2519713B1 (fr) | 2013-11-06 |
JP2013516563A (ja) | 2013-05-13 |
CA2785377A1 (fr) | 2011-07-07 |
CN102713160A (zh) | 2012-10-03 |
RU2012132632A (ru) | 2014-02-10 |
BR112012015844A2 (pt) | 2019-09-24 |
FR2954798B1 (fr) | 2012-03-30 |
CA2785377C (fr) | 2017-02-21 |
WO2011080319A1 (fr) | 2011-07-07 |
CN102713160B (zh) | 2016-05-18 |
EP2519713A1 (fr) | 2012-11-07 |
FR2954798A1 (fr) | 2011-07-01 |
RU2554397C2 (ru) | 2015-06-27 |
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