EP1251243B8 - Turbine blade with cooling air baffle - Google Patents

Turbine blade with cooling air baffle Download PDF

Info

Publication number
EP1251243B8
EP1251243B8 EP02290964A EP02290964A EP1251243B8 EP 1251243 B8 EP1251243 B8 EP 1251243B8 EP 02290964 A EP02290964 A EP 02290964A EP 02290964 A EP02290964 A EP 02290964A EP 1251243 B8 EP1251243 B8 EP 1251243B8
Authority
EP
European Patent Office
Prior art keywords
cooling air
turbine blade
air baffle
baffle
turbine
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 - Lifetime
Application number
EP02290964A
Other languages
German (de)
French (fr)
Other versions
EP1251243A1 (en
EP1251243B1 (en
Inventor
Morgan Lionel Balland
Sylvie Coulon
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Publication of EP1251243A1 publication Critical patent/EP1251243A1/en
Application granted granted Critical
Publication of EP1251243B1 publication Critical patent/EP1251243B1/en
Publication of EP1251243B8 publication Critical patent/EP1251243B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP02290964A 2001-04-19 2002-04-17 Turbine blade with cooling air baffle Expired - Lifetime EP1251243B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0105289 2001-04-19
FR0105289A FR2823794B1 (en) 2001-04-19 2001-04-19 REPORTED AND COOLED DAWN FOR TURBINE

Publications (3)

Publication Number Publication Date
EP1251243A1 EP1251243A1 (en) 2002-10-23
EP1251243B1 EP1251243B1 (en) 2005-09-07
EP1251243B8 true EP1251243B8 (en) 2005-11-02

Family

ID=8862464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02290964A Expired - Lifetime EP1251243B8 (en) 2001-04-19 2002-04-17 Turbine blade with cooling air baffle

Country Status (10)

Country Link
US (1) US6981845B2 (en)
EP (1) EP1251243B8 (en)
JP (1) JP4112986B2 (en)
CA (1) CA2444862C (en)
DE (1) DE60205977T2 (en)
ES (1) ES2244738T3 (en)
FR (1) FR2823794B1 (en)
RU (1) RU2325537C2 (en)
UA (1) UA73655C2 (en)
WO (1) WO2002086291A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0227745D0 (en) * 2002-11-28 2003-01-08 Rolls Royce Plc Blade cooling
US6974306B2 (en) * 2003-07-28 2005-12-13 Pratt & Whitney Canada Corp. Blade inlet cooling flow deflector apparatus and method
FR2858829B1 (en) * 2003-08-12 2008-03-14 Snecma Moteurs AUBE COOLING OF GAS TURBINE ENGINE
GB0405679D0 (en) * 2004-03-13 2004-04-21 Rolls Royce Plc A mounting arrangement for turbine blades
ES2337800T3 (en) 2004-03-30 2010-04-29 Alstom Technology Ltd DEVICE FOR THE PRESSURIZATION OF AIR REFRIGERATION IN A RODETE WIRE
US7578652B2 (en) * 2006-10-03 2009-08-25 United Technologies Corporation Hybrid vapor and film cooled turbine blade
SG143087A1 (en) * 2006-11-21 2008-06-27 Turbine Overhaul Services Pte Laser fillet welding
US20090068446A1 (en) 2007-04-30 2009-03-12 United Technologies Corporation Layered structures with integral brazing materials
US8128365B2 (en) 2007-07-09 2012-03-06 Siemens Energy, Inc. Turbine airfoil cooling system with rotor impingement cooling
FR2937372B1 (en) * 2008-10-22 2010-12-10 Snecma TURBINE BLADE EQUIPPED WITH MEANS FOR ADJUSTING ITS FLOW OF COOLING FLUID
WO2011026503A1 (en) 2009-09-04 2011-03-10 Siemens Aktiengesellschaft A method and a device of tangentially biasing internal cooling on nozzle guide vane
US8622702B1 (en) * 2010-04-21 2014-01-07 Florida Turbine Technologies, Inc. Turbine blade with cooling air inlet holes
GB201016597D0 (en) 2010-10-04 2010-11-17 Rolls Royce Plc Turbine disc cooling arrangement
IT1403416B1 (en) * 2010-12-21 2013-10-17 Avio Spa BORED ROTOR OF A GAS TURBINE FOR AERONAUTICAL ENGINES AND METHOD FOR COOLING OF THE BORED ROTOR
DE102011121634B4 (en) * 2010-12-27 2019-08-14 Ansaldo Energia Ip Uk Limited turbine blade
US20120315139A1 (en) * 2011-06-10 2012-12-13 General Electric Company Cooling flow control members for turbomachine buckets and method
EP2639407A1 (en) * 2012-03-13 2013-09-18 Siemens Aktiengesellschaft Gas turbine arrangement alleviating stresses at turbine discs and corresponding gas turbine
US9435206B2 (en) * 2012-09-11 2016-09-06 General Electric Company Flow inducer for a gas turbine system
EP2725191B1 (en) * 2012-10-23 2016-03-16 Alstom Technology Ltd Gas turbine and turbine blade for such a gas turbine
US8926283B2 (en) * 2012-11-29 2015-01-06 Siemens Aktiengesellschaft Turbine blade angel wing with pumping features
US20160090841A1 (en) * 2014-09-29 2016-03-31 United Technologies Corporation Gas turbine engine blade slot heat shield
US10094228B2 (en) 2015-05-01 2018-10-09 General Electric Company Turbine dovetail slot heat shield
WO2017005781A1 (en) * 2015-07-06 2017-01-12 Siemens Aktiengesellschaft Turbine stator vane and/or turbine rotor vane with a cooling flow adjustment feature and corresponding method of adapting a vane
DE102015111746A1 (en) * 2015-07-20 2017-01-26 Rolls-Royce Deutschland Ltd & Co Kg Cooled turbine wheel, in particular for an aircraft engine
GB201516657D0 (en) 2015-09-21 2015-11-04 Rolls Royce Plc Seal-plate anti-rotation in a stage of a gas turbine engine
US20170234447A1 (en) * 2016-02-12 2017-08-17 United Technologies Corporation Methods and systems for modulating airflow
KR102025147B1 (en) * 2017-10-13 2019-09-27 두산중공업 주식회사 Structure for combining throttle plate of bucket, rotor and gas turbine
DE102019206432A1 (en) * 2019-05-06 2020-11-12 MTU Aero Engines AG Turbomachine Blade
KR102284507B1 (en) * 2020-02-25 2021-08-02 두산중공업 주식회사 rotor and turbo-machine comprising the same
US11560844B2 (en) * 2021-02-18 2023-01-24 Pratt & Whitney Canada Corp. Inertial particle separator for a turbine section of a gas turbine engine
US12018590B1 (en) * 2023-04-04 2024-06-25 Ge Infrastructure Technology Llc Method for turbine blade and assembly with dovetail arrangement for enlarged rotor groove
US12110809B1 (en) 2023-04-04 2024-10-08 Ge Infrastructure Technology Llc Turbine blade and assembly with dovetail arrangement for enlarged rotor groove

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1605282A (en) * 1973-10-27 1987-12-23 Rolls Royce 1971 Ltd Bladed rotor for gas turbine engine
GB1561229A (en) * 1977-02-18 1980-02-13 Rolls Royce Gas turbine engine cooling system
US4348157A (en) * 1978-10-26 1982-09-07 Rolls-Royce Limited Air cooled turbine for a gas turbine engine
US4626169A (en) * 1983-12-13 1986-12-02 United Technologies Corporation Seal means for a blade attachment slot of a rotor assembly
US4820123A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
DE3835932A1 (en) * 1988-10-21 1990-04-26 Mtu Muenchen Gmbh DEVICE FOR COOLING AIR SUPPLY FOR GAS TURBINE ROTOR BLADES
US5403156A (en) * 1993-10-26 1995-04-04 United Technologies Corporation Integral meter plate for turbine blade and method
US6059529A (en) * 1998-03-16 2000-05-09 Siemens Westinghouse Power Corporation Turbine blade assembly with cooling air handling device

Also Published As

Publication number Publication date
FR2823794B1 (en) 2003-07-11
JP4112986B2 (en) 2008-07-02
DE60205977T2 (en) 2006-07-06
US20040115054A1 (en) 2004-06-17
RU2325537C2 (en) 2008-05-27
WO2002086291A1 (en) 2002-10-31
EP1251243A1 (en) 2002-10-23
US6981845B2 (en) 2006-01-03
EP1251243B1 (en) 2005-09-07
JP2004522049A (en) 2004-07-22
DE60205977D1 (en) 2005-10-13
UA73655C2 (en) 2005-08-15
FR2823794A1 (en) 2002-10-25
ES2244738T3 (en) 2005-12-16
RU2003133669A (en) 2005-04-20
CA2444862A1 (en) 2002-10-31
CA2444862C (en) 2009-11-24

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