EP1870561A3 - Kühlung der Leitkante einer Gasturbinenkomponente mittels gestaffelt angeordneten Turbulatoren - Google Patents

Kühlung der Leitkante einer Gasturbinenkomponente mittels gestaffelt angeordneten Turbulatoren Download PDF

Info

Publication number: EP1870561A3
Authority: EP; European Patent Office
Prior art keywords: leading edge; staggered; gas turbine; turbine component; edge cooling
Prior art date: 2006-06-22
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

English (en)

French (fr)

Other versions

EP1870561B1 (de

EP1870561A2 (de

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.)

2006-06-22

Filing date

2007-06-22

Publication date

2010-12-22

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.

2007-06-22 Application filed by United Technologies Corp filed Critical United Technologies Corp

2007-12-26 Publication of EP1870561A2 publication Critical patent/EP1870561A2/de

2010-12-22 Publication of EP1870561A3 publication Critical patent/EP1870561A3/de

2017-04-05 Application granted granted Critical

2017-04-05 Publication of EP1870561B1 publication Critical patent/EP1870561B1/de

Status Revoked legal-status Critical Current

2027-06-22 Anticipated expiration legal-status Critical

Links

238000001816 cooling Methods 0.000 title abstract 2
239000012809 cooling fluid Substances 0.000 abstract 1

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Turbine Rotor Nozzle Sealing (AREA)

EP07252545.4A 2006-06-22 2007-06-22 Kühlung der Leitkante einer Gasturbinenkomponente mittels gestaffelt angeordneten Turbulatoren Revoked EP1870561B1 (de)

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 (de)	2007-12-26
EP1870561A3 true EP1870561A3 (de)	2010-12-22
EP1870561B1 EP1870561B1 (de)	2017-04-05

Family

ID=38349575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07252545.4A Revoked EP1870561B1 (de)	2006-06-22	2007-06-22	Kühlung der Leitkante einer Gasturbinenkomponente mittels gestaffelt angeordneten Turbulatoren

Country Status (3)

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

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8690538B2 (en) *	2006-06-22	2014-04-08	United Technologies Corporation	Leading edge cooling using chevron trip strips
EP1921269A1 (de) *	2006-11-09	2008-05-14	Siemens Aktiengesellschaft	Turbinenschaufel
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
WO2014159589A1 (en) *	2013-03-14	2014-10-02	United Technologies Corporation	Gas turbine engine component cooling with interleaved facing trip strips
WO2014159800A1 (en) *	2013-03-14	2014-10-02	United Technologies Corporation	Obtuse angle chevron trip strip
WO2015026430A1 (en)	2013-08-20	2015-02-26	United Technologies Corporation	Ducting platform cover plate
US10247099B2 (en) *	2013-10-29	2019-04-02	United Technologies Corporation	Pedestals with heat transfer augmenter
WO2015094531A1 (en)	2013-12-20	2015-06-25	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
WO2016025054A2 (en)	2014-05-29	2016-02-18	General Electric Company	Engine components with cooling features
US10364684B2 (en)	2014-05-29	2019-07-30	General Electric Company	Fastback vorticor pin
US10422235B2 (en)	2014-05-29	2019-09-24	General Electric Company	Angled impingement inserts with cooling features
US10563514B2 (en)	2014-05-29	2020-02-18	General Electric Company	Fastback turbulator
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
US10280841B2 (en)	2015-12-07	2019-05-07	United Technologies Corporation	Baffle insert for a gas turbine engine component and method of cooling
US10577947B2 (en)	2015-12-07	2020-03-03	United Technologies Corporation	Baffle insert for a gas turbine engine component
US10337334B2 (en)	2015-12-07	2019-07-02	United Technologies Corporation	Gas turbine engine component with a baffle insert
US10422233B2 (en) *	2015-12-07	2019-09-24	United Technologies Corporation	Baffle insert for a gas turbine engine component and component with baffle insert
US10352177B2 (en)	2016-02-16	2019-07-16	General Electric Company	Airfoil having impingement openings
US10577944B2 (en)	2017-08-03	2020-03-03	General Electric Company	Engine component with hollow turbulators
US10590778B2 (en)	2017-08-03	2020-03-17	General Electric Company	Engine component with non-uniform chevron pins
US11788416B2 (en)	2019-01-30	2023-10-17	Rtx Corporation	Gas turbine engine components having interlaced trip strip arrays
CN115182787B (zh) *	2022-04-27	2024-09-10	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)

* 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 (de) *	1994-04-19	1998-06-24	United Technologies Corporation	Gekühlte gasturbinenschaufel
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 (de) *	2003-04-15	2004-10-20	General Electric Company	Gekühlte Turbinenleitschaufeln
EP1473439A2 (de) *	2003-04-29	2004-11-03	General Electric Company	Gekühlte Turbinenschaufel mit unterbrochenen Rillen
EP1873354A2 (de) *	2006-06-22	2008-01-02	United Technologies Corporation	Vorderkantenkühlung über Chevron-Streifen

Family Cites Families (15)

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Publication number	Priority date	Publication date	Assignee	Title
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
US5695321A (en) *	1991-12-17	1997-12-09	General Electric Company	Turbine blade having variable configuration turbulators
US5681144A (en) *	1991-12-17	1997-10-28	General Electric Company	Turbine blade having offset 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

2006
- 2006-06-22 US US11/473,893 patent/US20070297916A1/en not_active Abandoned
2007
- 2007-06-19 JP JP2007160904A patent/JP2008002464A/ja active Pending
- 2007-06-22 EP EP07252545.4A patent/EP1870561B1/de not_active Revoked

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 (de) *	1994-04-19	1998-06-24	United Technologies Corporation	Gekühlte gasturbinenschaufel
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 (de) *	2003-04-15	2004-10-20	General Electric Company	Gekühlte Turbinenleitschaufeln
EP1473439A2 (de) *	2003-04-29	2004-11-03	General Electric Company	Gekühlte Turbinenschaufel mit unterbrochenen Rillen
EP1873354A2 (de) *	2006-06-22	2008-01-02	United Technologies Corporation	Vorderkantenkühlung über Chevron-Streifen

Also Published As

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

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