CA2398502C - Turbine airfoil for gas turbine engine - Google Patents

Turbine airfoil for gas turbine engine Download PDF

Info

Publication number
CA2398502C
CA2398502C CA002398502A CA2398502A CA2398502C CA 2398502 C CA2398502 C CA 2398502C CA 002398502 A CA002398502 A CA 002398502A CA 2398502 A CA2398502 A CA 2398502A CA 2398502 C CA2398502 C CA 2398502C
Authority
CA
Canada
Prior art keywords
slots
trailing edge
airfoil
slot
length
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.)
Expired - Fee Related
Application number
CA002398502A
Other languages
English (en)
French (fr)
Other versions
CA2398502A1 (en
Inventor
Leslie Eugene Leeke
Sean Robert Keith
Ronald Eugene Mcrae Jr.
Lawrence Paul Timko
David Alan Frey
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 CA2398502A1 publication Critical patent/CA2398502A1/en
Application granted granted Critical
Publication of CA2398502C publication Critical patent/CA2398502C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01D5/18—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
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • 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
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
CA002398502A 2001-08-30 2002-08-15 Turbine airfoil for gas turbine engine Expired - Fee Related CA2398502C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/943,527 2001-08-30
US09/943,527 US6609891B2 (en) 2001-08-30 2001-08-30 Turbine airfoil for gas turbine engine

Publications (2)

Publication Number Publication Date
CA2398502A1 CA2398502A1 (en) 2003-02-28
CA2398502C true CA2398502C (en) 2009-09-22

Family

ID=25479815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002398502A Expired - Fee Related CA2398502C (en) 2001-08-30 2002-08-15 Turbine airfoil for gas turbine engine

Country Status (6)

Country Link
US (1) US6609891B2 (enExample)
EP (1) EP1288436A3 (enExample)
JP (1) JP4245873B2 (enExample)
BR (1) BR0203490B1 (enExample)
CA (1) CA2398502C (enExample)
MX (1) MXPA02008338A (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835015B1 (fr) * 2002-01-23 2005-02-18 Snecma Moteurs Aube mobile de turbine haute pression munie d'un bord de fuite au comportement thermique ameliore
US7156372B2 (en) * 2003-12-19 2007-01-02 Eastman Kodak Company Non-contact valve for particulate material
US7118337B2 (en) * 2004-06-17 2006-10-10 Siemens Power Generation, Inc. Gas turbine airfoil trailing edge corner
US7220934B2 (en) * 2005-06-07 2007-05-22 United Technologies Corporation Method of producing cooling holes in highly contoured airfoils
US7387492B2 (en) * 2005-12-20 2008-06-17 General Electric Company Methods and apparatus for cooling turbine blade trailing edges
GB0603705D0 (en) * 2006-02-24 2006-04-05 Rolls Royce Plc Aerofoils
FR2924156B1 (fr) * 2007-11-26 2014-02-14 Snecma Aube de turbomachine
US20100200189A1 (en) * 2009-02-12 2010-08-12 General Electric Company Method of fabricating turbine airfoils and tip structures therefor
RU2543914C2 (ru) * 2010-03-19 2015-03-10 Альстом Текнолоджи Лтд Лопатка газовой турбины с аэродинамическим профилем и профилированными отверстиями на задней кромке для выхода охлаждающего агента
US8632297B2 (en) * 2010-09-29 2014-01-21 General Electric Company Turbine airfoil and method for cooling a turbine airfoil
US9133819B2 (en) 2011-07-18 2015-09-15 Kohana Technologies Inc. Turbine blades and systems with forward blowing slots
US9228437B1 (en) 2012-03-22 2016-01-05 Florida Turbine Technologies, Inc. Turbine airfoil with pressure side trailing edge cooling slots
US10107107B2 (en) 2012-06-28 2018-10-23 United Technologies Corporation Gas turbine engine component with discharge slot having oval geometry
CA2898822A1 (en) * 2013-03-13 2014-10-09 Rolls-Royce Corporation Trenched cooling hole arrangement for a ceramic matrix composite vane
EP2907969A1 (de) * 2014-02-14 2015-08-19 Siemens Aktiengesellschaft Turbinenschaufel und Verfahren zum Herstellen bzw. Wiederherstellen einer Turbinenschaufel
US9638046B2 (en) 2014-06-12 2017-05-02 Pratt & Whitney Canada Corp. Airfoil with variable land width at trailing edge
US9850760B2 (en) 2015-04-15 2017-12-26 Honeywell International Inc. Directed cooling for rotating machinery
GB201508795D0 (en) * 2015-05-22 2015-07-01 Rolls Royce Plc Cooling of turbine blades
GB201610783D0 (en) 2016-06-21 2016-08-03 Rolls Royce Plc Trailing edge ejection cooling
DE102016224632A1 (de) * 2016-12-09 2018-06-14 Rolls-Royce Deutschland Ltd & Co Kg Plattenförmiges Bauteil einer Gasturbine sowie Verfahren zu dessen Herstellung
US20220381151A1 (en) * 2019-10-04 2022-12-01 Siemens Energy Global GmbH & Co. KG Composite layer system having an additively manufactured substrate and a ceramic thermal protection system
US12158083B2 (en) * 2021-11-18 2024-12-03 Rtx Corporation Airfoil with axial cooling slot having diverging ramp
CN117823234B (zh) * 2024-03-05 2024-05-28 西北工业大学 一种陶瓷纤维层叠的双空腔气冷涡轮工作叶片结构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619077A (en) * 1966-09-30 1971-11-09 Gen Electric High-temperature airfoil
GB1560683A (en) * 1972-11-28 1980-02-06 Rolls Royce Turbine blade
US4257737A (en) * 1978-07-10 1981-03-24 United Technologies Corporation Cooled rotor blade
FR2476207A1 (fr) * 1980-02-19 1981-08-21 Snecma Perfectionnement aux aubes de turbines refroidies
US4601638A (en) 1984-12-21 1986-07-22 United Technologies Corporation Airfoil trailing edge cooling arrangement
US5378108A (en) 1994-03-25 1995-01-03 United Technologies Corporation Cooled turbine blade
FR2765265B1 (fr) * 1997-06-26 1999-08-20 Snecma Aubage refroidi par rampe helicoidale, par impact en cascade et par systeme a pontets dans une double peau
US5931638A (en) 1997-08-07 1999-08-03 United Technologies Corporation Turbomachinery airfoil with optimized heat transfer
US6241466B1 (en) 1999-06-01 2001-06-05 General Electric Company Turbine airfoil breakout cooling
US6174135B1 (en) 1999-06-30 2001-01-16 General Electric Company Turbine blade trailing edge cooling openings and slots
US6234754B1 (en) 1999-08-09 2001-05-22 United Technologies Corporation Coolable airfoil structure

Also Published As

Publication number Publication date
US6609891B2 (en) 2003-08-26
EP1288436A3 (en) 2004-04-21
JP2003106101A (ja) 2003-04-09
BR0203490A (pt) 2003-05-20
BR0203490B1 (pt) 2011-04-05
MXPA02008338A (es) 2003-03-05
JP4245873B2 (ja) 2009-04-02
CA2398502A1 (en) 2003-02-28
EP1288436A2 (en) 2003-03-05
US20030044276A1 (en) 2003-03-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20180815