KR102699389B1 - 터보 기계의 로터 블레이드 - Google Patents
터보 기계의 로터 블레이드 Download PDFInfo
- Publication number
- KR102699389B1 KR102699389B1 KR1020180064720A KR20180064720A KR102699389B1 KR 102699389 B1 KR102699389 B1 KR 102699389B1 KR 1020180064720 A KR1020180064720 A KR 1020180064720A KR 20180064720 A KR20180064720 A KR 20180064720A KR 102699389 B1 KR102699389 B1 KR 102699389B1
- Authority
- KR
- South Korea
- Prior art keywords
- rotor blade
- outlet
- outlets
- tip shroud
- airfoil
- 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
- 239000012809 cooling fluid Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 31
- 238000005516 engineering process Methods 0.000 description 19
- 239000000567 combustion gas Substances 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007789 sealing 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
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
- F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
-
- 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
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- 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
- F05D2240/81—Cooled platforms
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Abstract
Description
도 1은 본원의 실시형태들에 따른 예시적인 가스 터빈 엔진의 개략도이고;
도 2는 본원의 실시형태들에 따른 예시적인 로터 블레이드의 정면도이며;
도 3은 본원의 실시형태들에 따른 예시적인 에어포일의 단면도이고;
도 4는 본원의 실시형태들에 따른 도 3에 도시된 에어포일의 다른 단면도이며;
도 5는 본원의 실시형태들에 따른 로터 블레이드의 평면도이고;
도 6은 본원의 실시형태들에 따른 로터 블레이드의 단면도이다.
본 명세서 및 도면에서 참조 부호를 반복 사용하는 것은, 본 기술에 있어서 동일하거나 유사한 특징부들 또는 요소들을 나타내려는 의도가 있다.
Claims (10)
- 터보 기계(10)용 로터 블레이드(100)로서:
적어도 하나의 냉각 통로(142)를 획정하는 에어포일(114)로서, 리딩 에지(124)로부터 트레일링 에지(126)까지 연장되는 캠버 라인(136)을 추가적으로 획정하는 것인 에어포일(114); 및
상기 에어포일(114)에 연결된 팁 슈라우드(116)로서, 팁 슈라우드(116)와 상기 에어포일(114)은 적어도 하나의 냉각 통로(142)에 유동 관계로 연결된 코어(162)를 획정하며, 상기 코어(162)는 복수의 유출구(160)를 포함하고, 상기 복수의 유출구(160) 각각은 팁 슈라우드(116)의 외부면에 획정된 개구(161)를 포함하는 것인 팁 슈라우드(116)
를 포함하고,
상기 복수의 유출구(160)의 제1 유출구(160')는, 상기 트레일링 에지(126)에서 상기 캠버 라인(136)에 평행한 방향에 대해 15도 이내에 있는 방향(182)으로 상기 제1 유출구(160')의 개구(161')를 통해 냉각 유체(180)를 배출하도록 배향되어 있으며, 상기 복수의 유출구(160)의 제2 유출구(160")는, 상기 트레일링 에지(126)에서 상기 캠버 라인(136)에 평행한 방향으로부터 15도보다 더 큰 방향(192)으로 상기 제2 유출구(160")의 개구(161")를 통해 냉각 유체(180)를 배출하도록 배향되어 있고, 이에 따라 상기 제1 유출구(160')의 개구(161')를 통해 배출된 냉각 유체(180)에 의한 고온 가스 경로(32)에서의 교란이 줄어들어 공기 역학적 성능이 향상되는 것인 로터 블레이드(100). - 제1항에 있어서, 상기 제1 유출구(160')는 복수의 제1 유출구(160')인 것인 로터 블레이드(100).
- 제1항 또는 제2항에 있어서, 상기 제1 유출구(160')의 개구(161')는 상기 팁 슈라우드(116)의 비(非)방사형 면에 획정되는 것인 로터 블레이드(100).
- 제3항에 있어서, 상기 비방사형 면은 트레일링 에지 면(172)인 것인 로터 블레이드(100).
- 제1항 또는 제2항에 있어서, 상기 코어(162)는 본체 캐비티(156)를 포함하고, 상기 복수의 유출구(160) 각각은 상기 본체 캐비티(156)와 유체 연통하는 것인 로터 블레이드(100).
- 제1항 또는 제2항에 있어서, 상기 제1 유출구(160')는, 상기 트레일링 에지(126)에서 상기 캠버 라인(136)에 평행한 방향에 대해 5도 이내에 있는 방향(182)으로 상기 제1 유출구(160')의 개구(161')를 통해 냉각 유체(180)를 배출하도록 배향되어 있는 것인 로터 블레이드(100).
- 제1항 또는 제2항에 있어서, 상기 제2 유출구(160")는 복수의 제2 유출구(160")인 것인 로터 블레이드(100).
- 제1항 또는 제2항에 있어서, 상기 제2 유출구(160")의 개구(161")는 상기 팁 슈라우드(116)의 비방사형 면에 획정되는 것인 로터 블레이드(100).
- 제8항에 있어서, 상기 비방사형 면은 리딩 에지 면(170)인 것인 로터 블레이드(100).
- 제8항에 있어서, 상기 비방사형 면은 압력측 면(174) 또는 흡입측 면(176) 중의 어느 하나인 것인 로터 블레이드(100).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/615,876 US10502069B2 (en) | 2017-06-07 | 2017-06-07 | Turbomachine rotor blade |
US15/615,876 | 2017-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20180133805A KR20180133805A (ko) | 2018-12-17 |
KR102699389B1 true KR102699389B1 (ko) | 2024-08-28 |
Family
ID=62495681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020180064720A Active KR102699389B1 (ko) | 2017-06-07 | 2018-06-05 | 터보 기계의 로터 블레이드 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10502069B2 (ko) |
EP (1) | EP3412869B1 (ko) |
JP (1) | JP7271093B2 (ko) |
KR (1) | KR102699389B1 (ko) |
CN (1) | CN108999647B (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11225872B2 (en) * | 2019-11-05 | 2022-01-18 | General Electric Company | Turbine blade with tip shroud cooling passage |
US11415020B2 (en) | 2019-12-04 | 2022-08-16 | Raytheon Technologies Corporation | Gas turbine engine flowpath component including vectored cooling flow holes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090180896A1 (en) | 2008-01-10 | 2009-07-16 | General Electric Company | Turbine blade tip shroud |
JP2012225211A (ja) | 2011-04-18 | 2012-11-15 | Mitsubishi Heavy Ind Ltd | ガスタービン動翼及びその製造方法 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1423833A (en) | 1972-04-20 | 1976-02-04 | Rolls Royce | Rotor blades for fluid flow machines |
GB1426049A (en) * | 1972-10-21 | 1976-02-25 | Rolls Royce | Rotor blade for a gas turbine engine |
FR2275975A5 (fr) | 1973-03-20 | 1976-01-16 | Snecma | Perfectionnements au refroidissement d'aubes de turbines a gaz |
GB1519449A (en) * | 1975-11-10 | 1978-07-26 | Rolls Royce | Gas turbine engine |
GB1514613A (en) * | 1976-04-08 | 1978-06-14 | Rolls Royce | Blade or vane for a gas turbine engine |
GB9224241D0 (en) | 1992-11-19 | 1993-01-06 | Bmw Rolls Royce Gmbh | A turbine blade arrangement |
GB2298246B (en) | 1995-02-23 | 1998-10-28 | Bmw Rolls Royce Gmbh | A turbine-blade arrangement comprising a shroud band |
JPH10266803A (ja) * | 1997-03-25 | 1998-10-06 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却動翼 |
JPH1113402A (ja) * | 1997-06-23 | 1999-01-19 | Mitsubishi Heavy Ind Ltd | ガスタービン冷却翼チップシュラウド |
JP3510467B2 (ja) * | 1998-01-13 | 2004-03-29 | 三菱重工業株式会社 | ガスタービンの動翼 |
EP1041247B1 (en) * | 1999-04-01 | 2012-08-01 | General Electric Company | Gas turbine airfoil comprising an open cooling circuit |
US6761534B1 (en) | 1999-04-05 | 2004-07-13 | General Electric Company | Cooling circuit for a gas turbine bucket and tip shroud |
US6471480B1 (en) * | 2001-04-16 | 2002-10-29 | United Technologies Corporation | Thin walled cooled hollow tip shroud |
US6932571B2 (en) * | 2003-02-05 | 2005-08-23 | United Technologies Corporation | Microcircuit cooling for a turbine blade tip |
EP1591626A1 (de) * | 2004-04-30 | 2005-11-02 | Alstom Technology Ltd | Schaufel für Gasturbine |
EP1789654B1 (de) * | 2004-09-16 | 2017-08-23 | General Electric Technology GmbH | Strömungsmaschinenschaufel mit fluidisch gekühltem deckband |
US7413406B2 (en) * | 2006-02-15 | 2008-08-19 | United Technologies Corporation | Turbine blade with radial cooling channels |
US7686581B2 (en) * | 2006-06-07 | 2010-03-30 | General Electric Company | Serpentine cooling circuit and method for cooling tip shroud |
US8057177B2 (en) * | 2008-01-10 | 2011-11-15 | General Electric Company | Turbine blade tip shroud |
US7946816B2 (en) * | 2008-01-10 | 2011-05-24 | General Electric Company | Turbine blade tip shroud |
US7946817B2 (en) * | 2008-01-10 | 2011-05-24 | General Electric Company | Turbine blade tip shroud |
US8096772B2 (en) * | 2009-03-20 | 2012-01-17 | Siemens Energy, Inc. | Turbine vane for a gas turbine engine having serpentine cooling channels within the inner endwall |
US8684692B2 (en) * | 2010-02-05 | 2014-04-01 | Siemens Energy, Inc. | Cooled snubber structure for turbine blades |
US8672613B2 (en) * | 2010-08-31 | 2014-03-18 | General Electric Company | Components with conformal curved film holes and methods of manufacture |
US9022736B2 (en) * | 2011-02-15 | 2015-05-05 | Siemens Energy, Inc. | Integrated axial and tangential serpentine cooling circuit in a turbine airfoil |
JP5868609B2 (ja) | 2011-04-18 | 2016-02-24 | 三菱重工業株式会社 | ガスタービン動翼及びその製造方法 |
US9127560B2 (en) * | 2011-12-01 | 2015-09-08 | General Electric Company | Cooled turbine blade and method for cooling a turbine blade |
EP2607629A1 (en) | 2011-12-22 | 2013-06-26 | Alstom Technology Ltd | Shrouded turbine blade with cooling air outlet port on the blade tip and corresponding manufacturing method |
US11230935B2 (en) * | 2015-09-18 | 2022-01-25 | General Electric Company | Stator component cooling |
US9885243B2 (en) * | 2015-10-27 | 2018-02-06 | General Electric Company | Turbine bucket having outlet path in shroud |
US10215028B2 (en) * | 2016-03-07 | 2019-02-26 | Rolls-Royce North American Technologies Inc. | Turbine blade with heat shield |
-
2017
- 2017-06-07 US US15/615,876 patent/US10502069B2/en active Active
-
2018
- 2018-05-31 JP JP2018104177A patent/JP7271093B2/ja active Active
- 2018-06-01 EP EP18175502.6A patent/EP3412869B1/en active Active
- 2018-06-05 KR KR1020180064720A patent/KR102699389B1/ko active Active
- 2018-06-07 CN CN201810580848.4A patent/CN108999647B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090180896A1 (en) | 2008-01-10 | 2009-07-16 | General Electric Company | Turbine blade tip shroud |
JP2012225211A (ja) | 2011-04-18 | 2012-11-15 | Mitsubishi Heavy Ind Ltd | ガスタービン動翼及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN108999647A (zh) | 2018-12-14 |
KR20180133805A (ko) | 2018-12-17 |
EP3412869A1 (en) | 2018-12-12 |
US20180355729A1 (en) | 2018-12-13 |
JP2019023462A (ja) | 2019-02-14 |
EP3412869B1 (en) | 2021-04-07 |
JP7271093B2 (ja) | 2023-05-11 |
CN108999647B (zh) | 2022-08-02 |
US10502069B2 (en) | 2019-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10107108B2 (en) | Rotor blade having a flared tip | |
US10830082B2 (en) | Systems including rotor blade tips and circumferentially grooved shrouds | |
US20160319672A1 (en) | Rotor blade having a flared tip | |
US20150345301A1 (en) | Rotor blade cooling flow | |
EP3415719B1 (en) | Turbomachine blade cooling structure | |
US10301943B2 (en) | Turbomachine rotor blade | |
US10443405B2 (en) | Rotor blade tip | |
KR20240164477A (ko) | 터보 기계의 로터 블레이드 | |
KR102699389B1 (ko) | 터보 기계의 로터 블레이드 | |
US10247009B2 (en) | Cooling passage for gas turbine system rotor blade | |
US10494932B2 (en) | Turbomachine rotor blade cooling passage | |
US10590777B2 (en) | Turbomachine rotor blade | |
US10472974B2 (en) | Turbomachine rotor blade | |
US10577945B2 (en) | Turbomachine rotor blade | |
US10746029B2 (en) | Turbomachine rotor blade tip shroud cavity | |
US20190003320A1 (en) | Turbomachine rotor blade | |
US11629601B2 (en) | Turbomachine rotor blade with a cooling circuit having an offset rib | |
US10633979B2 (en) | Turbomachine rotor blade pocket |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20180605 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20210405 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20180605 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20221108 Patent event code: PE09021S01D |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20230822 Patent event code: PE09021S01D |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20240320 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20240520 |
|
PG1601 | Publication of registration |