JP7646670B2 - 付加製造による隣接するホイールスペース部分の間の冷却剤移動通路を備えたエンジェルウィングシールを含むタービンローターブレード - Google Patents

付加製造による隣接するホイールスペース部分の間の冷却剤移動通路を備えたエンジェルウィングシールを含むタービンローターブレード Download PDF

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Publication number
JP7646670B2
JP7646670B2 JP2022538315A JP2022538315A JP7646670B2 JP 7646670 B2 JP7646670 B2 JP 7646670B2 JP 2022538315 A JP2022538315 A JP 2022538315A JP 2022538315 A JP2022538315 A JP 2022538315A JP 7646670 B2 JP7646670 B2 JP 7646670B2
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Prior art keywords
turbine rotor
shank
rotor blade
transfer passage
angel
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JP2022538315A
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Japanese (ja)
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JPWO2021150418A5 (https=
JP2023513663A5 (https=
JP2023513663A (ja
Inventor
ジョン スナイダー、ザカリー
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GE Vernova GmbH
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General Electric Technology GmbH
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    • 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
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the 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
    • F01D5/147—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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/186—Film 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
    • F01D5/18—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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • 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
    • F05D2230/22—Manufacture essentially without removing material by sintering
    • 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
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2022538315A 2020-01-22 2021-01-14 付加製造による隣接するホイールスペース部分の間の冷却剤移動通路を備えたエンジェルウィングシールを含むタービンローターブレード Active JP7646670B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/749,167 US11248471B2 (en) 2020-01-22 2020-01-22 Turbine rotor blade with angel wing with coolant transfer passage between adjacent wheel space portions by additive manufacture
US16/749,167 2020-01-22
PCT/US2021/013387 WO2021150418A1 (en) 2020-01-22 2021-01-14 Turbine rotor blade with angel wing seals with coolant transfer passage between adjacent wheel space portions by additive manufacture

Publications (4)

Publication Number Publication Date
JP2023513663A JP2023513663A (ja) 2023-04-03
JPWO2021150418A5 JPWO2021150418A5 (https=) 2023-12-27
JP2023513663A5 JP2023513663A5 (https=) 2023-12-27
JP7646670B2 true JP7646670B2 (ja) 2025-03-17

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JP2022538315A Active JP7646670B2 (ja) 2020-01-22 2021-01-14 付加製造による隣接するホイールスペース部分の間の冷却剤移動通路を備えたエンジェルウィングシールを含むタービンローターブレード

Country Status (6)

Country Link
US (1) US11248471B2 (https=)
EP (1) EP4093944B1 (https=)
JP (1) JP7646670B2 (https=)
KR (1) KR102889298B1 (https=)
CN (1) CN114867930B (https=)
WO (1) WO2021150418A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11242760B2 (en) * 2020-01-22 2022-02-08 General Electric Company Turbine rotor blade with integral impingement sleeve by additive manufacture
US11492908B2 (en) 2020-01-22 2022-11-08 General Electric Company Turbine rotor blade root with hollow mount with lattice support structure by additive manufacture
US11248471B2 (en) 2020-01-22 2022-02-15 General Electric Company Turbine rotor blade with angel wing with coolant transfer passage between adjacent wheel space portions by additive manufacture
US11552523B2 (en) * 2020-05-28 2023-01-10 Honeywell International Inc. Conformal cooling devices for rotating generator elements and additive manufacturing processes for fabricating the same
KR102621756B1 (ko) * 2020-11-27 2024-01-09 연세대학교 산학협력단 격자구조의 냉각방식을 갖는 가스터빈 베인 및 블레이드
US20250188843A1 (en) * 2022-08-24 2025-06-12 General Electric Company Turbine engine airfoil
US12571351B2 (en) 2023-06-14 2026-03-10 General Electric Company Gas turbine engine defining a rotor cavity
US20250369359A1 (en) * 2024-05-29 2025-12-04 Rtx Corporation Cooling features for a component of a gas turbine engine
US12497897B1 (en) * 2024-09-03 2025-12-16 Ge Infrastructure Technology Llc Airfoil component for turbomachine component with platform cooling using airfoil coolant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011185271A (ja) 2010-03-10 2011-09-22 General Electric Co <Ge> タービン構成部品のプラットフォームを冷却するための装置
US20180274381A1 (en) 2017-03-23 2018-09-27 General Electric Company Gas turbine engine component incorporating a seal slot

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628885A (en) * 1969-10-01 1971-12-21 Gen Electric Fluid-cooled airfoil
US3867068A (en) 1973-03-30 1975-02-18 Gen Electric Turbomachinery blade cooling insert retainers
US4203706A (en) 1977-12-28 1980-05-20 United Technologies Corporation Radial wafer airfoil construction
US5816777A (en) 1991-11-29 1998-10-06 United Technologies Corporation Turbine blade cooling
JPH0953406A (ja) 1995-08-14 1997-02-25 Mitsubishi Heavy Ind Ltd インピンジメント冷却装置及びガスタービン翼
US5800124A (en) 1996-04-12 1998-09-01 United Technologies Corporation Cooled rotor assembly for a turbine engine
DE19634237A1 (de) 1996-08-23 1998-02-26 Asea Brown Boveri Kühlbare Schaufel
EP0905353B1 (de) 1997-09-30 2003-01-15 ALSTOM (Switzerland) Ltd Prallanordnung für ein konvektives Kühl- oder Heizverfahren
US6435813B1 (en) 2000-05-10 2002-08-20 General Electric Company Impigement cooled airfoil
US6402471B1 (en) 2000-11-03 2002-06-11 General Electric Company Turbine blade for gas turbine engine and method of cooling same
GB0515868D0 (en) 2005-08-02 2005-09-07 Rolls Royce Plc Cooling arrangement
US7563072B1 (en) 2006-09-25 2009-07-21 Florida Turbine Technologies, Inc. Turbine airfoil with near-wall spiral flow cooling circuit
US7837441B2 (en) 2007-02-16 2010-11-23 United Technologies Corporation Impingement skin core cooling for gas turbine engine blade
US7785071B1 (en) 2007-05-31 2010-08-31 Florida Turbine Technologies, Inc. Turbine airfoil with spiral trailing edge cooling passages
US8057183B1 (en) 2008-12-16 2011-11-15 Florida Turbine Technologies, Inc. Light weight and highly cooled turbine blade
EP2256297B8 (en) 2009-05-19 2012-10-03 Alstom Technology Ltd Gas turbine vane with improved cooling
US8366394B1 (en) * 2010-10-21 2013-02-05 Florida Turbine Technologies, Inc. Turbine blade with tip rail cooling channel
US20130104567A1 (en) 2011-10-31 2013-05-02 Douglas Gerard Konitzer Method and apparatus for cooling gas turbine rotor blades
US8905714B2 (en) 2011-12-30 2014-12-09 General Electric Company Turbine rotor blade platform cooling
US9249673B2 (en) 2011-12-30 2016-02-02 General Electric Company Turbine rotor blade platform cooling
US20130170983A1 (en) * 2012-01-04 2013-07-04 General Electric Company Turbine assembly and method for reducing fluid flow between turbine components
US9810070B2 (en) 2013-05-15 2017-11-07 General Electric Company Turbine rotor blade for a turbine section of a gas turbine
EP3030751B8 (en) 2013-08-05 2021-04-07 Raytheon Technologies Corporation Gas turbine engine component and corresponding method of forming a gas turbine engine component
US9528377B2 (en) 2013-08-21 2016-12-27 General Electric Company Method and system for cooling rotor blade angelwings
WO2015057310A2 (en) * 2013-09-17 2015-04-23 United Technologies Corporation Platform cooling core for a gas turbine engine rotor blade
US20150184538A1 (en) * 2013-12-30 2015-07-02 General Electric Company Interior cooling circuits in turbine blades
FR3034129B1 (fr) 2015-03-27 2019-05-17 Safran Aircraft Engines Aube mobile de turbine a conception amelioree pour turbomachine d'aeronef
EP3232000A1 (de) 2016-04-15 2017-10-18 Siemens Aktiengesellschaft Plattform einer laufschaufel mit filmkühlungsöffnungen an der plattform und zugehörige strömugsmaschine
US10436037B2 (en) 2016-07-22 2019-10-08 General Electric Company Blade with parallel corrugated surfaces on inner and outer surfaces
US10450868B2 (en) * 2016-07-22 2019-10-22 General Electric Company Turbine rotor blade with coupon having corrugated surface(s)
JP6860383B2 (ja) * 2017-03-10 2021-04-14 川崎重工業株式会社 タービン翼の冷却構造
WO2018208370A2 (en) * 2017-03-29 2018-11-15 Siemens Aktiengesellschaft Turbine rotor blade with airfoil cooling integrated with impingement platform cooling
US10323520B2 (en) 2017-06-13 2019-06-18 General Electric Company Platform cooling arrangement in a turbine rotor blade
EP3447245A1 (en) 2017-08-22 2019-02-27 Siemens Aktiengesellschaft Turbine blade foot
US20190264569A1 (en) * 2018-02-23 2019-08-29 General Electric Company Turbine rotor blade with exiting hole to deliver fluid to boundary layer film
US11220916B2 (en) 2020-01-22 2022-01-11 General Electric Company Turbine rotor blade with platform with non-linear cooling passages by additive manufacture
US11248471B2 (en) 2020-01-22 2022-02-15 General Electric Company Turbine rotor blade with angel wing with coolant transfer passage between adjacent wheel space portions by additive manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011185271A (ja) 2010-03-10 2011-09-22 General Electric Co <Ge> タービン構成部品のプラットフォームを冷却するための装置
US20180274381A1 (en) 2017-03-23 2018-09-27 General Electric Company Gas turbine engine component incorporating a seal slot

Also Published As

Publication number Publication date
WO2021150418A1 (en) 2021-07-29
US11248471B2 (en) 2022-02-15
US20210222566A1 (en) 2021-07-22
KR20220125257A (ko) 2022-09-14
EP4093944A1 (en) 2022-11-30
CN114867930B (zh) 2026-01-06
CN114867930A (zh) 2022-08-05
EP4093944B1 (en) 2025-07-09
KR102889298B1 (ko) 2025-11-25
JP2023513663A (ja) 2023-04-03

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