EP0913556A3 - Turbinenschaufelkühlung - Google Patents

Turbinenschaufelkühlung Download PDF

Info

Publication number: EP0913556A3
Authority: EP; European Patent Office
Prior art keywords: blade; cooling; turbine blade; blade cooling; platform
Prior art date: 1997-10-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP98308829A

Other languages

English (en)

French (fr)

Other versions

EP0913556A2 (de

Inventor

Stephen Mark Chambers

Thomas Gerard Wygle

Robert Cooper Simmons

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.)

1997-10-31

Filing date

1998-10-28

Publication date

2000-07-26

1998-10-28 Application filed by General Electric Co filed Critical General Electric Co

1999-05-06 Publication of EP0913556A2 publication Critical patent/EP0913556A2/de

2000-07-26 Publication of EP0913556A3 publication Critical patent/EP0913556A3/de

Status Withdrawn legal-status Critical Current

Links

238000001816 cooling Methods 0.000 title abstract 7
238000010438 heat treatment Methods 0.000 abstract 2

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
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
- 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
- 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

Landscapes

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

EP98308829A 1997-10-31 1998-10-28 Turbinenschaufelkühlung Withdrawn EP0913556A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US96212897A	1997-10-31	1997-10-31
US962128		1997-10-31

Publications (2)

Publication Number	Publication Date
EP0913556A2 EP0913556A2 (de)	1999-05-06
EP0913556A3 true EP0913556A3 (de)	2000-07-26

Family

ID=25505455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98308829A Withdrawn EP0913556A3 (de)	1997-10-31	1998-10-28	Turbinenschaufelkühlung

Country Status (2)

Country	Link
EP (1)	EP0913556A3 (de)
JP (1)	JPH11193701A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6331098B1 (en) *	1999-12-18	2001-12-18	General Electric Company	Coriolis turbulator blade
US6579061B1 (en)	2001-07-27	2003-06-17	General Electric Company	Selective step turbine nozzle
US6672832B2 (en)	2002-01-07	2004-01-06	General Electric Company	Step-down turbine platform
US6652235B1 (en) *	2002-05-31	2003-11-25	General Electric Company	Method and apparatus for reducing turbine blade tip region temperatures
US7121802B2 (en)	2004-07-13	2006-10-17	General Electric Company	Selectively thinned turbine blade
US7097429B2 (en) *	2004-07-13	2006-08-29	General Electric Company	Skirted turbine blade
US7377747B2 (en) *	2005-06-06	2008-05-27	General Electric Company	Turbine airfoil with integrated impingement and serpentine cooling circuit
US7249934B2 (en) *	2005-08-31	2007-07-31	General Electric Company	Pattern cooled turbine airfoil
US7946816B2 (en) *	2008-01-10	2011-05-24	General Electric Company	Turbine blade tip shroud
US20150064019A1 (en) *	2013-08-30	2015-03-05	General Electric Company	Gas Turbine Components with Porous Cooling Features
JP7224928B2 (ja)	2019-01-17	2023-02-20	三菱重工業株式会社	タービン動翼及びガスタービン

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4135857A (en) *	1977-06-09	1979-01-23	United Technologies Corporation	Reduced drag airfoil platforms
US4278400A (en) *	1978-09-05	1981-07-14	United Technologies Corporation	Coolable rotor blade
US4753575A (en) *	1987-08-06	1988-06-28	United Technologies Corporation	Airfoil with nested cooling channels
US4992026A (en) *	1986-03-31	1991-02-12	Kabushiki Kaisha Toshiba	Gas turbine blade
GB2250548A (en) *	1990-12-06	1992-06-10	Rolls Royce Plc	Cooled turbine aerofoil blade
EP0527554A1 (de) *	1991-07-04	1993-02-17	Hitachi, Ltd.	Turbinenschaufel mit Innenkühlungskanal
US5243759A (en) *	1991-10-07	1993-09-14	United Technologies Corporation	Method of casting to control the cooling air flow rate of the airfoil trailing edge
US5387085A (en) *	1994-01-07	1995-02-07	General Electric Company	Turbine blade composite cooling circuit

1998
- 1998-10-27 JP JP30466498A patent/JPH11193701A/ja active Pending
- 1998-10-28 EP EP98308829A patent/EP0913556A3/de not_active Withdrawn

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4135857A (en) *	1977-06-09	1979-01-23	United Technologies Corporation	Reduced drag airfoil platforms
US4278400A (en) *	1978-09-05	1981-07-14	United Technologies Corporation	Coolable rotor blade
US4992026A (en) *	1986-03-31	1991-02-12	Kabushiki Kaisha Toshiba	Gas turbine blade
US4753575A (en) *	1987-08-06	1988-06-28	United Technologies Corporation	Airfoil with nested cooling channels
GB2250548A (en) *	1990-12-06	1992-06-10	Rolls Royce Plc	Cooled turbine aerofoil blade
EP0527554A1 (de) *	1991-07-04	1993-02-17	Hitachi, Ltd.	Turbinenschaufel mit Innenkühlungskanal
US5243759A (en) *	1991-10-07	1993-09-14	United Technologies Corporation	Method of casting to control the cooling air flow rate of the airfoil trailing edge
US5387085A (en) *	1994-01-07	1995-02-07	General Electric Company	Turbine blade composite cooling circuit

Also Published As

Publication number	Publication date
EP0913556A2 (de)	1999-05-06
JPH11193701A (ja)	1999-07-21

Legal Events

Date	Code	Title	Description
1999-03-19	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
1999-05-06	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1999-05-06	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2000-06-09	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2000-07-26	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
2000-07-26	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2001-03-28	17P	Request for examination filed	Effective date: 20010126
2001-04-04	AKX	Designation fees paid	Free format text: DE FR GB IT
2001-04-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2001-05-30	18W	Application withdrawn	Withdrawal date: 20010405

Publication	Publication Date	Title
EP1013880A3 (de)	2002-02-06	Turbinenschaufel mit gekühlter Plattform
EP1326007A3 (de)	2004-11-24	Kühlung einer Struktur eines Turbinenblattes
EP1087102A3 (de)	2004-01-02	Gasturbinenschaufel mit prallgekühlter Plattform
EP1363078A3 (de)	2005-04-06	Stirnwand für eine Gasturbinenbrennkammer
CA2232128A1 (en)	1998-09-17	Cooled platform for a gas turbine moving blade
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EP1205634A3 (de)	2003-10-29	Gasturbinenschaufelkühlung
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EP1205636A3 (de)	2003-10-29	Kühlung einer Gasturbinenschaufel
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EP0939196A3 (de)	2001-01-10	Gasturbinenschaufel
EP0924385A3 (de)	2000-09-06	Turbinenschaufel
EP0786580A3 (de)	1998-06-03	Mehrkomponentengasturbinenschaufel
EP1024251A3 (de)	2000-09-06	Gekühlter Turbinen-Mantelring
EP1201878A3 (de)	2003-06-18	Beschaufelter Rotor
GB9600068D0 (en)	1996-03-06	Ducted fan gas turbine engine with variable area fan duct nozzle
DE60213733D1 (de)	2006-09-21	Turbomaschinenschaufel mit versetzter Spitzenkante
EP0874136A3 (de)	2000-03-22	Schaufelblatt mit Sollbruchstelle
GB2322914B (en)	2000-05-24	Ducted fan gas turbine engine
EP0905461A3 (de)	1999-12-01	Kühlschrank mit Kühlluftverteilungsgerät
GB9626560D0 (en)	1997-02-05	Ducted fan gas turbine engine