EP1870561A3 - Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence - Google Patents

Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence Download PDF

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Publication number
EP1870561A3
EP1870561A3 EP07252545A EP07252545A EP1870561A3 EP 1870561 A3 EP1870561 A3 EP 1870561A3 EP 07252545 A EP07252545 A EP 07252545A EP 07252545 A EP07252545 A EP 07252545A EP 1870561 A3 EP1870561 A3 EP 1870561A3
Authority
EP
European Patent Office
Prior art keywords
leading edge
staggered
gas turbine
turbine component
edge cooling
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.)
Granted
Application number
EP07252545A
Other languages
German (de)
English (en)
Other versions
EP1870561A2 (fr
EP1870561B1 (fr
Inventor
Jeffrey R. Levine
Eleanor Kaufman
William Abdel-Messeh
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.)
RTX Corp
Original Assignee
United Technologies Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38349575&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1870561(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP1870561A2 publication Critical patent/EP1870561A2/fr
Publication of EP1870561A3 publication Critical patent/EP1870561A3/fr
Application granted granted Critical
Publication of EP1870561B1 publication Critical patent/EP1870561B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/187—Convection 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
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
EP07252545.4A 2006-06-22 2007-06-22 Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence Revoked EP1870561B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/473,893 US20070297916A1 (en) 2006-06-22 2006-06-22 Leading edge cooling using wrapped staggered-chevron trip strips

Publications (3)

Publication Number Publication Date
EP1870561A2 EP1870561A2 (fr) 2007-12-26
EP1870561A3 true EP1870561A3 (fr) 2010-12-22
EP1870561B1 EP1870561B1 (fr) 2017-04-05

Family

ID=38349575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07252545.4A Revoked EP1870561B1 (fr) 2006-06-22 2007-06-22 Refroidissement du bord d'attaque d'un composant de turbine à gaz par générateurs de turbulence

Country Status (3)

Country Link
US (1) US20070297916A1 (fr)
EP (1) EP1870561B1 (fr)
JP (1) JP2008002464A (fr)

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US8690538B2 (en) * 2006-06-22 2014-04-08 United Technologies Corporation Leading edge cooling using chevron trip strips
EP1921269A1 (fr) * 2006-11-09 2008-05-14 Siemens Aktiengesellschaft Aube de turbine
US8376706B2 (en) * 2007-09-28 2013-02-19 General Electric Company Turbine airfoil concave cooling passage using dual-swirl flow mechanism and method
US8348613B2 (en) 2009-03-30 2013-01-08 United Technologies Corporation Airflow influencing airfoil feature array
US8821111B2 (en) * 2010-12-14 2014-09-02 Siemens Energy, Inc. Gas turbine vane with cooling channel end turn structure
US8757961B1 (en) * 2011-05-21 2014-06-24 Florida Turbine Technologies, Inc. Industrial turbine stator vane
US9995148B2 (en) 2012-10-04 2018-06-12 General Electric Company Method and apparatus for cooling gas turbine and rotor blades
US9850762B2 (en) 2013-03-13 2017-12-26 General Electric Company Dust mitigation for turbine blade tip turns
WO2014159800A1 (fr) * 2013-03-14 2014-10-02 United Technologies Corporation Barrette perturbatrice en forme de chevron à angle obtus
EP2971544B1 (fr) 2013-03-14 2019-08-21 United Technologies Corporation Refroidissement d'un composant d'un moteur à turbine à gaz avec des bandes de déclenchement en regard imbriquées
WO2015026430A1 (fr) 2013-08-20 2015-02-26 United Technologies Corporation Plaque de revêtement de plateforme de canalisation
EP3063388B1 (fr) * 2013-10-29 2019-01-02 United Technologies Corporation Socles à augmentateur de transfert de chaleur
US10465530B2 (en) 2013-12-20 2019-11-05 United Technologies Corporation Gas turbine engine component cooling cavity with vortex promoting features
US9957816B2 (en) 2014-05-29 2018-05-01 General Electric Company Angled impingement insert
CA2949539A1 (fr) 2014-05-29 2016-02-18 General Electric Company Elements de turbine a gaz ayant des caracteristiques de refroidissement
US10563514B2 (en) 2014-05-29 2020-02-18 General Electric Company Fastback turbulator
US10422235B2 (en) 2014-05-29 2019-09-24 General Electric Company Angled impingement inserts with cooling features
US10364684B2 (en) 2014-05-29 2019-07-30 General Electric Company Fastback vorticor pin
US10119404B2 (en) * 2014-10-15 2018-11-06 Honeywell International Inc. Gas turbine engines with improved leading edge airfoil cooling
US10233775B2 (en) 2014-10-31 2019-03-19 General Electric Company Engine component for a gas turbine engine
US10280785B2 (en) 2014-10-31 2019-05-07 General Electric Company Shroud assembly for a turbine engine
US10406596B2 (en) 2015-05-01 2019-09-10 United Technologies Corporation Core arrangement for turbine engine component
US10422233B2 (en) 2015-12-07 2019-09-24 United Technologies Corporation Baffle insert for a gas turbine engine component and component with baffle insert
US10337334B2 (en) 2015-12-07 2019-07-02 United Technologies Corporation Gas turbine engine component with a baffle insert
US10577947B2 (en) 2015-12-07 2020-03-03 United Technologies Corporation Baffle insert for a gas turbine engine component
US10280841B2 (en) 2015-12-07 2019-05-07 United Technologies Corporation Baffle insert for a gas turbine engine component and method of cooling
US10352177B2 (en) 2016-02-16 2019-07-16 General Electric Company Airfoil having impingement openings
US10590778B2 (en) 2017-08-03 2020-03-17 General Electric Company Engine component with non-uniform chevron pins
US10577944B2 (en) 2017-08-03 2020-03-03 General Electric Company Engine component with hollow turbulators
US11788416B2 (en) 2019-01-30 2023-10-17 Rtx Corporation Gas turbine engine components having interlaced trip strip arrays
CN115182787A (zh) * 2022-04-27 2022-10-14 上海交通大学 改善前缘旋流冷却能力的涡轮叶片及发动机

Citations (7)

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Publication number Priority date Publication date Assignee Title
US5232343A (en) * 1984-05-24 1993-08-03 General Electric Company Turbine blade
US5700132A (en) * 1991-12-17 1997-12-23 General Electric Company Turbine blade having opposing wall turbulators
EP0758932B1 (fr) * 1994-04-19 1998-06-24 United Technologies Corporation Refroidissement d'une aube de turbine a gaz
US6068445A (en) * 1997-07-14 2000-05-30 Abb Research Ltd. Cooling system for the leading-edge region of a hollow gas-turbine blade
EP1469164A2 (fr) * 2003-04-15 2004-10-20 General Electric Company Refroidissement des aubes de guidage de turbine
EP1473439A2 (fr) * 2003-04-29 2004-11-03 General Electric Company Aube crénelée refroidie pour turbine
EP1873354A2 (fr) * 2006-06-22 2008-01-02 United Technologies Corporation Refroidissement du bord d'attaque utilisant des bandes à chevrons

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US4257737A (en) * 1978-07-10 1981-03-24 United Technologies Corporation Cooled rotor blade
US4775296A (en) * 1981-12-28 1988-10-04 United Technologies Corporation Coolable airfoil for a rotary machine
US4514144A (en) * 1983-06-20 1985-04-30 General Electric Company Angled turbulence promoter
GB2159585B (en) * 1984-05-24 1989-02-08 Gen Electric Turbine blade
JPS62271902A (ja) * 1986-01-20 1987-11-26 Hitachi Ltd ガスタ−ビン冷却翼
US5052889A (en) * 1990-05-17 1991-10-01 Pratt & Whintey Canada Offset ribs for heat transfer surface
US5246340A (en) * 1991-11-19 1993-09-21 Allied-Signal Inc. Internally cooled airfoil
US5681144A (en) * 1991-12-17 1997-10-28 General Electric Company Turbine blade having offset turbulators
US5695321A (en) * 1991-12-17 1997-12-09 General Electric Company Turbine blade having variable configuration turbulators
US5472316A (en) * 1994-09-19 1995-12-05 General Electric Company Enhanced cooling apparatus for gas turbine engine airfoils
JPH10280905A (ja) * 1997-04-02 1998-10-20 Mitsubishi Heavy Ind Ltd ガスタービン冷却翼のタービュレータ
JPH11173105A (ja) * 1997-12-08 1999-06-29 Mitsubishi Heavy Ind Ltd ガスタービン動翼
JPH11241602A (ja) * 1998-02-26 1999-09-07 Toshiba Corp ガスタービン翼
US6406260B1 (en) * 1999-10-22 2002-06-18 Pratt & Whitney Canada Corp. Heat transfer promotion structure for internally convectively cooled airfoils
FR2858352B1 (fr) 2003-08-01 2006-01-20 Snecma Moteurs Circuit de refroidissement pour aube de turbine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232343A (en) * 1984-05-24 1993-08-03 General Electric Company Turbine blade
US5700132A (en) * 1991-12-17 1997-12-23 General Electric Company Turbine blade having opposing wall turbulators
EP0758932B1 (fr) * 1994-04-19 1998-06-24 United Technologies Corporation Refroidissement d'une aube de turbine a gaz
US6068445A (en) * 1997-07-14 2000-05-30 Abb Research Ltd. Cooling system for the leading-edge region of a hollow gas-turbine blade
EP1469164A2 (fr) * 2003-04-15 2004-10-20 General Electric Company Refroidissement des aubes de guidage de turbine
EP1473439A2 (fr) * 2003-04-29 2004-11-03 General Electric Company Aube crénelée refroidie pour turbine
EP1873354A2 (fr) * 2006-06-22 2008-01-02 United Technologies Corporation Refroidissement du bord d'attaque utilisant des bandes à chevrons

Also Published As

Publication number Publication date
US20070297916A1 (en) 2007-12-27
EP1870561A2 (fr) 2007-12-26
EP1870561B1 (fr) 2017-04-05
JP2008002464A (ja) 2008-01-10

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