JP6824623B2 - フレア状先端を有するロータブレード - Google Patents

フレア状先端を有するロータブレード Download PDF

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Publication number
JP6824623B2
JP6824623B2 JP2016084882A JP2016084882A JP6824623B2 JP 6824623 B2 JP6824623 B2 JP 6824623B2 JP 2016084882 A JP2016084882 A JP 2016084882A JP 2016084882 A JP2016084882 A JP 2016084882A JP 6824623 B2 JP6824623 B2 JP 6824623B2
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JP
Japan
Prior art keywords
pressure side
side wall
tip
rotor blade
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
Application number
JP2016084882A
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English (en)
Japanese (ja)
Other versions
JP2016211545A (ja
Inventor
ジェフリー・クラレンス・ジョーンズ
シウチャン・ジェームズ・チャン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2016211545A publication Critical patent/JP2016211545A/ja
Application granted granted Critical
Publication of JP6824623B2 publication Critical patent/JP6824623B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/141—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
    • F01D5/14—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
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/324—Arrangement of components according to their shape divergent
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/713—Shape curved inflexed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2016084882A 2015-04-29 2016-04-21 フレア状先端を有するロータブレード Active JP6824623B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/699,308 US20160319672A1 (en) 2015-04-29 2015-04-29 Rotor blade having a flared tip
US14/699,308 2015-04-29

Publications (2)

Publication Number Publication Date
JP2016211545A JP2016211545A (ja) 2016-12-15
JP6824623B2 true JP6824623B2 (ja) 2021-02-03

Family

ID=55808495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016084882A Active JP6824623B2 (ja) 2015-04-29 2016-04-21 フレア状先端を有するロータブレード

Country Status (4)

Country Link
US (1) US20160319672A1 (de)
EP (1) EP3088674B1 (de)
JP (1) JP6824623B2 (de)
CN (1) CN106089313B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170058680A1 (en) * 2015-09-02 2017-03-02 General Electric Company Configurations for turbine rotor blade tips
US20170145827A1 (en) * 2015-11-23 2017-05-25 United Technologies Corporation Turbine blade with airfoil tip vortex control
US10677066B2 (en) 2015-11-23 2020-06-09 United Technologies Corporation Turbine blade with airfoil tip vortex control
EP3954882B1 (de) * 2016-03-30 2023-05-03 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Turbolader mit variabler geometrie
US10443405B2 (en) * 2017-05-10 2019-10-15 General Electric Company Rotor blade tip
CN107559048B (zh) * 2017-09-22 2024-01-30 哈尔滨汽轮机厂有限责任公司 一种用于中低热值重型燃气轮机发动机的转子叶片
KR102021139B1 (ko) * 2018-04-04 2019-10-18 두산중공업 주식회사 스퀼러 팁을 구비한 터빈 블레이드
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
CN110863862B (zh) * 2019-12-05 2022-12-06 中国航发四川燃气涡轮研究院 叶尖结构和涡轮
US11225874B2 (en) * 2019-12-20 2022-01-18 Raytheon Technologies Corporation Turbine engine rotor blade with castellated tip surface

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
US6179556B1 (en) * 1999-06-01 2001-01-30 General Electric Company Turbine blade tip with offset squealer
US6494678B1 (en) * 2001-05-31 2002-12-17 General Electric Company Film cooled blade tip
US6971851B2 (en) * 2003-03-12 2005-12-06 Florida Turbine Technologies, Inc. Multi-metered film cooled blade tip
GB0813556D0 (en) * 2008-07-24 2008-09-03 Rolls Royce Plc A blade for a rotor
GB201006449D0 (en) * 2010-04-19 2010-06-02 Rolls Royce Plc Blades
GB201100957D0 (en) * 2011-01-20 2011-03-02 Rolls Royce Plc Rotor blade
US20120237358A1 (en) * 2011-03-17 2012-09-20 Campbell Christian X Turbine blade tip
US8801377B1 (en) * 2011-08-25 2014-08-12 Florida Turbine Technologies, Inc. Turbine blade with tip cooling and sealing
US9273561B2 (en) * 2012-08-03 2016-03-01 General Electric Company Cooling structures for turbine rotor blade tips
US10408066B2 (en) * 2012-08-15 2019-09-10 United Technologies Corporation Suction side turbine blade tip cooling
US9334742B2 (en) * 2012-10-05 2016-05-10 General Electric Company Rotor blade and method for cooling the rotor blade
JP6347892B2 (ja) * 2014-07-07 2018-06-27 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ ガスタービンエンジンブレードスキーラ先端、対応する製造および冷却方法、ならびにガスタービンエンジン

Also Published As

Publication number Publication date
JP2016211545A (ja) 2016-12-15
US20160319672A1 (en) 2016-11-03
CN106089313A (zh) 2016-11-09
EP3088674B1 (de) 2024-05-29
EP3088674A1 (de) 2016-11-02
CN106089313B (zh) 2020-12-01

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