EP0924384A3 - Refroidissement de l'arête amont d'une aube pour une turbomachine - Google Patents

Refroidissement de l'arête amont d'une aube pour une turbomachine Download PDF

Info

Publication number: EP0924384A3
Authority: EP; European Patent Office
Prior art keywords: leading edge; airfoil; trench; edge cooling; disposed
Prior art date: 1997-12-17
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP98310191A

Other languages

German (de)

English (en)

Other versions

EP0924384A2 (fr

Inventor

George P. Liang

Thomas A. Auxier

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.)

1997-12-17

Filing date

1998-12-11

Publication date

2000-08-23

1998-12-11 Application filed by United Technologies Corp filed Critical United Technologies Corp

1999-06-23 Publication of EP0924384A2 publication Critical patent/EP0924384A2/fr

2000-08-23 Publication of EP0924384A3 publication Critical patent/EP0924384A3/fr

Status Withdrawn legal-status Critical Current

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
- 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling

Landscapes

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

EP98310191A 1997-12-17 1998-12-11 Refroidissement de l'arête amont d'une aube pour une turbomachine Withdrawn EP0924384A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US99232397A	1997-12-17	1997-12-17
US992323		1997-12-17

Publications (2)

Publication Number	Publication Date
EP0924384A2 EP0924384A2 (fr)	1999-06-23
EP0924384A3 true EP0924384A3 (fr)	2000-08-23

Family

ID=25538194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98310191A Withdrawn EP0924384A3 (fr)	1997-12-17	1998-12-11	Refroidissement de l'arête amont d'une aube pour une turbomachine

Country Status (3)

Country	Link
EP (1)	EP0924384A3 (fr)
JP (1)	JPH11247611A (fr)
KR (1)	KR19990063131A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6547524B2 (en) *	2001-05-21	2003-04-15	United Technologies Corporation	Film cooled article with improved temperature tolerance
US7300252B2 (en)	2004-10-04	2007-11-27	Alstom Technology Ltd	Gas turbine airfoil leading edge cooling construction
EP1898051B8 (fr)	2006-08-25	2017-08-02	Ansaldo Energia IP UK Limited	Aube de turbine à gaz avec refroidissement du bord d'attaque
US7980819B2 (en)	2007-03-14	2011-07-19	United Technologies Corporation	Cast features for a turbine engine airfoil
US8439644B2 (en)	2007-12-10	2013-05-14	United Technologies Corporation	Airfoil leading edge shape tailoring to reduce heat load
US8105030B2 (en) *	2008-08-14	2012-01-31	United Technologies Corporation	Cooled airfoils and gas turbine engine systems involving such airfoils
US8371814B2 (en)	2009-06-24	2013-02-12	Honeywell International Inc.	Turbine engine components
EP2299056A1 (fr)	2009-09-02	2011-03-23	Siemens Aktiengesellschaft	Refroidissement d'un composant de turbine à gaz sous la forme d'un disque de rotor ou d'une aube
US8529193B2 (en)	2009-11-25	2013-09-10	Honeywell International Inc.	Gas turbine engine components with improved film cooling
US8628293B2 (en)	2010-06-17	2014-01-14	Honeywell International Inc.	Gas turbine engine components with cooling hole trenches
US9022737B2 (en)	2011-08-08	2015-05-05	United Technologies Corporation	Airfoil including trench with contoured surface
US9650900B2 (en)	2012-05-07	2017-05-16	Honeywell International Inc.	Gas turbine engine components with film cooling holes having cylindrical to multi-lobe configurations
US10113433B2 (en)	2012-10-04	2018-10-30	Honeywell International Inc.	Gas turbine engine components with lateral and forward sweep film cooling holes
US9228440B2 (en)	2012-12-03	2016-01-05	Honeywell International Inc.	Turbine blade airfoils including showerhead film cooling systems, and methods for forming an improved showerhead film cooled airfoil of a turbine blade
CA2898822A1 (fr)	2013-03-13	2014-10-09	Rolls-Royce Corporation	Agencement de trou de refroidissement a tranchee pour une ailette composite a matrice ceramique
US9562437B2 (en) *	2013-04-26	2017-02-07	Honeywell International Inc.	Turbine blade airfoils including film cooling systems, and methods for forming an improved film cooled airfoil of a turbine blade
CN103806952A (zh) *	2014-01-20	2014-05-21	北京航空航天大学	一种具有前缘凹腔的涡轮叶片
GB201521862D0 (en) *	2015-12-11	2016-01-27	Rolls Royce Plc	Cooling arrangement
US11021965B2 (en)	2016-05-19	2021-06-01	Honeywell International Inc.	Engine components with cooling holes having tailored metering and diffuser portions
GB201721533D0 (en) *	2017-12-21	2018-02-07	Rolls Royce Plc	Aerofoil cooling arrangement
US11401818B2 (en) *	2018-08-06	2022-08-02	General Electric Company	Turbomachine cooling trench
GB201819064D0 (en) *	2018-11-23	2019-01-09	Rolls Royce	Aerofoil stagnation zone cooling
JP7232035B2 (ja) *	2018-12-18	2023-03-02	三菱重工業株式会社	ガスタービンの静翼及びガスタービン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB435906A (en) *	1934-01-29	1935-10-01	Bbc Brown Boveri & Cie	Improvements in and relating to the protection of machine parts, more particularly of turbine blades, against high temperatures
GB2127105A (en) *	1982-09-16	1984-04-04	Rolls Royce	Improvements in cooled gas turbine engine aerofoils
US5152667A (en) *	1991-07-16	1992-10-06	General Motors Corporation	Cooled wall structure especially for gas turbine engines

1998
- 1998-12-11 EP EP98310191A patent/EP0924384A3/fr not_active Withdrawn
- 1998-12-16 KR KR1019980055495A patent/KR19990063131A/ko not_active Application Discontinuation
- 1998-12-17 JP JP37577998A patent/JPH11247611A/ja active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB435906A (en) *	1934-01-29	1935-10-01	Bbc Brown Boveri & Cie	Improvements in and relating to the protection of machine parts, more particularly of turbine blades, against high temperatures
GB2127105A (en) *	1982-09-16	1984-04-04	Rolls Royce	Improvements in cooled gas turbine engine aerofoils
US5152667A (en) *	1991-07-16	1992-10-06	General Motors Corporation	Cooled wall structure especially for gas turbine engines

Also Published As

Publication number	Publication date
EP0924384A2 (fr)	1999-06-23
KR19990063131A (ko)	1999-07-26
JPH11247611A (ja)	1999-09-14

Publication	Publication Date	Title
EP0924384A3 (fr)	2000-08-23	Refroidissement de l'arête amont d'une aube pour une turbomachine
EP1013877A3 (fr)	2002-04-17	Aube de turbine creuse
EP0924382A3 (fr)	2000-08-23	Refroidissement de l'arête amont d'une aube pour une turbine à gaz
EP1085171A3 (fr)	2003-10-01	Cavité avec couche thermoprotectrice pour extrémité d'aube de turbine
EP1118387A3 (fr)	2002-09-25	Ensemble de buse
EP0846845A3 (fr)	2000-05-10	Aubes de turbine en pair
EP0835985A3 (fr)	1999-11-03	Configuration de cavité de refroidissement pour les arêtes en aval d'aubes de turbomachines
EP1065344A3 (fr)	2003-12-03	Orifices et rainures de refroidissement pour aubes de turbines
EP0916811A3 (fr)	2000-08-23	Extrémité rainurée d'aube de turbine
EP1108856A3 (fr)	2003-02-12	Aube de turbine avec des orifices avec inclinaison differente pour refroidissement à pellicule
EP0997612A3 (fr)	2001-10-10	Contour d'une virole pour une turbomachine
IE842485L (en)	1985-04-28	Stator vane cooling
EP1041248A3 (fr)	2002-07-03	Elément amortisseur autobloquant pour aubes de turbine
EP0971095A3 (fr)	2000-12-20	Aube refroidissable pour turbines à gaz
EP1098068A3 (fr)	2003-09-17	Canal de refroidissement strié
EP1057970A3 (fr)	2002-10-30	Extrémité d'aube refroidie par impact
EP1126132A3 (fr)	2003-05-02	Paroi radiale profilée pour compresseur
EP1111188A3 (fr)	2003-01-08	Aube inclinée avec arête amont bombée
EP1126135A3 (fr)	2003-01-08	Aubes de turbine en céramique avec des arêtes aval refroidies
EP0757160A3 (fr)	1999-01-13	Amortisseur de vibrations pour ailettes de turbomachines
EP1079072A3 (fr)	2004-01-02	Refroidissement des extrémités des aubes de turbine
EP0844368A3 (fr)	2000-03-08	Revêtissement partiel des aubes de turbine à gaz pour améliorer la résistance à la fatigue
EP1298286A3 (fr)	2005-02-09	Arrangement des aubes de guidage
EP0972992A3 (fr)	2002-06-05	Chemise de chambre de combustion
WO2005059313A3 (fr)	2005-08-25	Dessin d'une aube et de sa gorge

Legal Events

Date	Code	Title	Description
1999-05-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1999-06-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1999-06-23	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2000-07-07	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2000-08-23	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-08-23	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2001-04-18	17P	Request for examination filed	Effective date: 20010220
2001-05-09	AKX	Designation fees paid	Free format text: DE FR GB
2002-10-16	17Q	First examination report despatched	Effective date: 20020830
2003-08-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2003-09-17	18D	Application deemed to be withdrawn	Effective date: 20030311