SG96674A1 - Method and apparatus for reducing turbine blade tip temperatures - Google Patents

Method and apparatus for reducing turbine blade tip temperatures

Info

Publication number
SG96674A1
SG96674A1 SG200200015A SG200200015A SG96674A1 SG 96674 A1 SG96674 A1 SG 96674A1 SG 200200015 A SG200200015 A SG 200200015A SG 200200015 A SG200200015 A SG 200200015A SG 96674 A1 SG96674 A1 SG 96674A1
Authority
SG
Singapore
Prior art keywords
tip
airfoil
turbine blade
blade tip
reducing turbine
Prior art date
Application number
SG200200015A
Other languages
English (en)
Inventor
Lee Ching-Pang
Prakash Chander
Lee Shelton Monty
Howard Starkweather John
Singh Hardev
Anthony Rinck Gerard
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SG96674A1 publication Critical patent/SG96674A1/en

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
    • F01D5/14—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
    • F01D5/186—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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/121—Fluid guiding means, e.g. vanes related to the leading 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
    • F05D2240/303—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 leading 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
    • F05D2250/00—Geometry
    • F05D2250/70—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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
SG200200015A 2001-01-09 2002-01-02 Method and apparatus for reducing turbine blade tip temperatures SG96674A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/756,902 US6422821B1 (en) 2001-01-09 2001-01-09 Method and apparatus for reducing turbine blade tip temperatures

Publications (1)

Publication Number Publication Date
SG96674A1 true SG96674A1 (en) 2003-06-16

Family

ID=25045543

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200200015A SG96674A1 (en) 2001-01-09 2002-01-02 Method and apparatus for reducing turbine blade tip temperatures

Country Status (10)

Country Link
US (1) US6422821B1 (fr)
EP (1) EP1221537B1 (fr)
JP (1) JP4108336B2 (fr)
CN (1) CN1328478C (fr)
AT (1) ATE329137T1 (fr)
CA (1) CA2366692C (fr)
DE (1) DE60211963T2 (fr)
MX (1) MXPA02000335A (fr)
MY (1) MY127558A (fr)
SG (1) SG96674A1 (fr)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6554575B2 (en) * 2001-09-27 2003-04-29 General Electric Company Ramped tip shelf blade
JP3836050B2 (ja) * 2002-06-07 2006-10-18 三菱重工業株式会社 タービン動翼
US6991430B2 (en) * 2003-04-07 2006-01-31 General Electric Company Turbine blade with recessed squealer tip and shelf
US7217092B2 (en) * 2004-04-14 2007-05-15 General Electric Company Method and apparatus for reducing turbine blade temperatures
US7270514B2 (en) * 2004-10-21 2007-09-18 General Electric Company Turbine blade tip squealer and rebuild method
GB0513187D0 (en) * 2005-06-29 2005-08-03 Rolls Royce Plc A blade and a rotor arrangement
US7281894B2 (en) 2005-09-09 2007-10-16 General Electric Company Turbine airfoil curved squealer tip with tip shelf
US8425183B2 (en) * 2006-11-20 2013-04-23 General Electric Company Triforial tip cavity airfoil
JP4830812B2 (ja) * 2006-11-24 2011-12-07 株式会社Ｉｈｉ 圧縮機動翼
US7857587B2 (en) * 2006-11-30 2010-12-28 General Electric Company Turbine blades and turbine blade cooling systems and methods
JP5029957B2 (ja) * 2007-11-01 2012-09-19 株式会社Ｉｈｉ スキーラ付きタービン動翼
US8206108B2 (en) * 2007-12-10 2012-06-26 Honeywell International Inc. Turbine blades and methods of manufacturing
FR2928405B1 (fr) * 2008-03-05 2011-01-21 Snecma Refroidissement de l'extremite d'une aube.
US8092178B2 (en) * 2008-11-28 2012-01-10 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US8092179B2 (en) * 2009-03-12 2012-01-10 United Technologies Corporation Blade tip cooling groove
US8371815B2 (en) * 2010-03-17 2013-02-12 General Electric Company Apparatus for cooling an airfoil
US8777567B2 (en) 2010-09-22 2014-07-15 Honeywell International Inc. Turbine blades, turbine assemblies, and methods of manufacturing turbine blades
US8801377B1 (en) * 2011-08-25 2014-08-12 Florida Turbine Technologies, Inc. Turbine blade with tip cooling and sealing
KR101324249B1 (ko) * 2011-12-06 2013-11-01 삼성테크윈 주식회사 스퀼러 팁이 형성된 블레이드를 구비한 터빈 임펠러
CN102678189A (zh) * 2011-12-13 2012-09-19 河南科技大学 一种具有叶顶防泄漏结构的涡轮冷却叶片
US9228442B2 (en) 2012-04-05 2016-01-05 United Technologies Corporation Turbine airfoil tip shelf and squealer pocket cooling
US9284845B2 (en) 2012-04-05 2016-03-15 United Technologies Corporation Turbine airfoil tip shelf and squealer pocket cooling
US9004861B2 (en) * 2012-05-10 2015-04-14 United Technologies Corporation Blade tip having a recessed area
US9777582B2 (en) 2012-07-03 2017-10-03 United Technologies Corporation Tip leakage flow directionality control
US9951629B2 (en) * 2012-07-03 2018-04-24 United Technologies Corporation Tip leakage flow directionality control
US9957817B2 (en) * 2012-07-03 2018-05-01 United Technologies Corporation Tip leakage flow directionality control
US20140044556A1 (en) * 2012-08-07 2014-02-13 General Electric Company Last stage blade including a plurality of leading edge indentations
US20140044557A1 (en) * 2012-08-09 2014-02-13 General Electric Company Turbine blade and method for cooling the turbine blade
EP2725194B1 (fr) 2012-10-26 2020-02-19 Rolls-Royce Deutschland Ltd & Co KG Aube de rotor d'une turbine à gaz
DE102012021400A1 (de) * 2012-10-31 2014-04-30 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine
US9103217B2 (en) * 2012-10-31 2015-08-11 General Electric Company Turbine blade tip with tip shelf diffuser holes
CN103883361B (zh) * 2012-12-20 2016-05-04 中航商用航空发动机有限责任公司 涡轮叶片
US9453419B2 (en) * 2012-12-28 2016-09-27 United Technologies Corporation Gas turbine engine turbine blade tip cooling
US8920124B2 (en) 2013-02-14 2014-12-30 Siemens Energy, Inc. Turbine blade with contoured chamfered squealer tip
US9856739B2 (en) 2013-09-18 2018-01-02 Honeywell International Inc. Turbine blades with tip portions having converging cooling holes
US9618002B1 (en) * 2013-09-27 2017-04-11 University Of South Florida Mini notched turbine generator
US9816389B2 (en) 2013-10-16 2017-11-14 Honeywell International Inc. Turbine rotor blades with tip portion parapet wall cavities
US9879544B2 (en) 2013-10-16 2018-01-30 Honeywell International Inc. Turbine rotor blades with improved tip portion cooling holes
DE102013224998A1 (de) * 2013-12-05 2015-06-11 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine und Verfahren zur Kühlung einer Schaufelspitze einer Turbinenrotorschaufel einer Gasturbine
US20150300180A1 (en) * 2014-04-22 2015-10-22 United Technologies Corporation Gas turbine engine turbine blade tip with coated recess
FR3027951B1 (fr) * 2014-11-04 2019-12-13 Safran Aircraft Engines Baignoire de sommet d'aubes d'une turbine de turbomachine
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US10184342B2 (en) 2016-04-14 2019-01-22 General Electric Company System for cooling seal rails of tip shroud of turbine blade
CN109312659B (zh) * 2016-12-21 2021-07-16 三菱重工发动机和增压器株式会社 涡轮增压器、涡轮增压器的喷嘴叶片以及涡轮机
JP6871770B2 (ja) * 2017-03-17 2021-05-12 三菱重工業株式会社 タービン動翼、及びガスタービン
EP3444437A1 (fr) * 2017-08-16 2019-02-20 Siemens Aktiengesellschaft Aube de turbine et procédé associé de révision
US10787932B2 (en) 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
KR102590947B1 (ko) * 2021-05-04 2023-10-19 국방과학연구소 선반 스퀼러 팁을 갖는 가스터빈 블레이드
CN113944515B (zh) * 2021-10-20 2023-05-05 中国航发四川燃气涡轮研究院 前缘劈缝冷却的涡轮叶片
CN113914938B (zh) * 2021-12-10 2022-02-22 中国航发燃气轮机有限公司 一种燃气轮机透平气冷叶片

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424001A (en) * 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade
US5261789A (en) 1992-08-25 1993-11-16 General Electric Company Tip cooled blade
JPH06264703A (ja) * 1992-12-21 1994-09-20 Taiyo Kogyo Kk タービン動翼とケーシングとの間隙調整方法
US5503527A (en) 1994-12-19 1996-04-02 General Electric Company Turbine blade having tip slot
US6059530A (en) * 1998-12-21 2000-05-09 General Electric Company Twin rib turbine blade
US6190129B1 (en) * 1998-12-21 2001-02-20 General Electric Company Tapered tip-rib turbine blade
US6164914A (en) * 1999-08-23 2000-12-26 General Electric Company Cool tip blade

Also Published As

Publication number Publication date
JP2002235503A (ja) 2002-08-23
ATE329137T1 (de) 2006-06-15
CN1364975A (zh) 2002-08-21
CA2366692C (fr) 2008-10-07
JP4108336B2 (ja) 2008-06-25
US6422821B1 (en) 2002-07-23
US20020090301A1 (en) 2002-07-11
DE60211963T2 (de) 2007-01-25
CN1328478C (zh) 2007-07-25
CA2366692A1 (fr) 2002-07-09
MXPA02000335A (es) 2004-05-21
EP1221537A2 (fr) 2002-07-10
EP1221537A3 (fr) 2004-01-02
MY127558A (en) 2006-12-29
EP1221537B1 (fr) 2006-06-07
DE60211963D1 (de) 2006-07-20

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