EP2893143A4 - Fussbogengeometrie für flügelförmige schaufel - Google Patents

Fussbogengeometrie für flügelförmige schaufel

Info

Publication number: EP2893143A4
Authority: EP; European Patent Office
Prior art keywords: airfoil shaped; shaped vane; root; bow geometry; geometry
Prior art date: 2012-09-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP13852794.0A

Other languages

English (en)

French (fr)

Other versions

EP2893143A2 (de

Inventor

Renee J Jurek

Thomas J Praisner

Martin Hoeger

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.)

MTU Aero Engines AG

RTX Corp

Original Assignee

MTU Aero Engines GmbH

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.)

2012-09-05

Filing date

2013-08-20

Publication date

2015-11-04

2013-08-20 Application filed by MTU Aero Engines GmbH, United Technologies Corp filed Critical MTU Aero Engines GmbH

2015-07-15 Publication of EP2893143A2 publication Critical patent/EP2893143A2/de

2015-11-04 Publication of EP2893143A4 publication Critical patent/EP2893143A4/de

Status Withdrawn legal-status Critical Current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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Control Of Turbines (AREA)

EP13852794.0A 2012-09-05 2013-08-20 Fussbogengeometrie für flügelförmige schaufel Withdrawn EP2893143A4 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US13/603,634 US20140064951A1 (en)	2012-09-05	2012-09-05	Root bow geometry for airfoil shaped vane
PCT/US2013/055726 WO2014074199A2 (en)	2012-09-05	2013-08-20	Root bow geometry for airfoil shaped vane

Publications (2)

Publication Number	Publication Date
EP2893143A2 EP2893143A2 (de)	2015-07-15
EP2893143A4 true EP2893143A4 (de)	2015-11-04

Family

ID=50187859

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13852794.0A Withdrawn EP2893143A4 (de)	2012-09-05	2013-08-20	Fussbogengeometrie für flügelförmige schaufel

Country Status (3)

Country	Link
US (1)	US20140064951A1 (de)
EP (1)	EP2893143A4 (de)
WO (1)	WO2014074199A2 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2746672A (en) *	1950-07-27	1956-05-22	United Aircraft Corp	Compressor blading
DE3743738A1 (de) *	1986-12-29	1988-07-07	Gen Electric	Gekruemmte turbinenschaufel
US6491493B1 (en) *	1998-06-12	2002-12-10	Ebara Corporation	Turbine nozzle vane
US20090257866A1 (en) *	2006-03-31	2009-10-15	Alstom Technology Ltd.	Stator blade for a turbomachine, especially a steam turbine
EP2434094A2 (de) *	2010-09-28	2012-03-28	Hitachi Ltd.	Leitschaufel für Dampfturbine und Dampfturbine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9210421D0 (en) *	1992-05-15	1992-07-01	Gec Alsthom Ltd	Turbine blade assembly
JP3621216B2 (ja) *	1996-12-05	2005-02-16	株式会社東芝	タービンノズル
US7547186B2 (en) *	2004-09-28	2009-06-16	Honeywell International Inc.	Nonlinearly stacked low noise turbofan stator
WO2008123846A1 (en) *	2007-04-03	2008-10-16	Carrier Corporation	Outlet guide vanes for axial flow fans
US8480372B2 (en) *	2008-11-06	2013-07-09	General Electric Company	System and method for reducing bucket tip losses
US8075259B2 (en) *	2009-02-13	2011-12-13	United Technologies Corporation	Turbine vane airfoil with turning flow and axial/circumferential trailing edge configuration
GB201011854D0 (en) *	2010-07-14	2010-09-01	Isis Innovation	Vane assembly for an axial flow turbine

2012
- 2012-09-05 US US13/603,634 patent/US20140064951A1/en not_active Abandoned
2013
- 2013-08-20 WO PCT/US2013/055726 patent/WO2014074199A2/en not_active Ceased
- 2013-08-20 EP EP13852794.0A patent/EP2893143A4/de not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2746672A (en) *	1950-07-27	1956-05-22	United Aircraft Corp	Compressor blading
DE3743738A1 (de) *	1986-12-29	1988-07-07	Gen Electric	Gekruemmte turbinenschaufel
US6491493B1 (en) *	1998-06-12	2002-12-10	Ebara Corporation	Turbine nozzle vane
US20090257866A1 (en) *	2006-03-31	2009-10-15	Alstom Technology Ltd.	Stator blade for a turbomachine, especially a steam turbine
EP2434094A2 (de) *	2010-09-28	2012-03-28	Hitachi Ltd.	Leitschaufel für Dampfturbine und Dampfturbine

Also Published As

Publication number	Publication date
WO2014074199A2 (en)	2014-05-15
US20140064951A1 (en)	2014-03-06
WO2014074199A3 (en)	2014-08-28
EP2893143A2 (de)	2015-07-15

Legal Events

Date	Code	Title	Description
2015-06-12	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
2015-07-15	17P	Request for examination filed	Effective date: 20150407
2015-07-15	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2015-07-15	AX	Request for extension of the european patent	Extension state: BA ME
2015-11-04	A4	Supplementary search report drawn up and despatched	Effective date: 20151001
2015-11-04	RIC1	Information provided on ipc code assigned before grant	Ipc: F04D 29/68 20060101ALI20150925BHEP Ipc: F01D 9/04 20060101ALI20150925BHEP Ipc: F01D 5/14 20060101AFI20150925BHEP
2015-12-09	DAX	Request for extension of the european patent (deleted)
2016-10-26	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: UNITED TECHNOLOGIES CORPORATION Owner name: MTU AERO ENGINES GMBH
2019-05-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2019-06-26	17Q	First examination report despatched	Effective date: 20190524
2020-11-06	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
2020-12-09	18D	Application deemed to be withdrawn	Effective date: 20200715

Publication	Publication Date	Title
GB201223193D0 (en)	2013-02-06	Turbine blade
GB2497578B (en)	2015-01-14	Wind turbine blades
PL2867117T3 (pl)	2020-05-18	Żaglopłat
EP2867471A4 (de)	2015-08-26	Turbinenschaufelprofil eines gasturbinenmotors
GB201112163D0 (en)	2011-08-31	Tip clearance control for turbine blades
ZA201504554B (en)	2016-04-28	Rotor blade trailing edge
PT2920460T (pt)	2019-04-24	Ponta de pá de rotor e processo de fabrico
GB201100957D0 (en)	2011-03-02	Rotor blade
EP2685049A4 (de)	2014-10-01	Turbinenschaufel
GB2506474B (en)	2018-12-19	Turbomachine with variable-pitch vortex generator
PL2834517T3 (pl)	2020-11-02	Zwichrzona nasada łopaty
GB2489477B (en)	2013-04-24	Spar for a turbine blade and manufacture thereof
BR112014027901A2 (pt)	2017-06-27	aerofólio de turbina
PL2906819T3 (pl)	2017-08-31	Wirnik z połączonymi łopatami dla turbin wiatrowych
GB201315078D0 (en)	2013-10-02	Blade or vane arrangement for a gas turbine engine
EP2696030A4 (de)	2014-10-29	Turbinenschaufel
EP2764238A4 (de)	2015-03-25	Windturbine mit strömungsorientierten schaufeln
GB201510660D0 (en)	2015-07-29	Turbine blade apparatus
GB201305180D0 (en)	2013-05-01	A composite aerofoil vane
GB201318628D0 (en)	2013-12-04	A turbine blade system
EP2725192A3 (de)	2014-11-05	Turbomaschinenschaufelverstärkung
GB201217482D0 (en)	2012-11-14	Aerofoil for axial-flow machine
GB201112844D0 (en)	2011-09-07	Turbine blade
GB2509082B (en)	2015-06-17	Turbine Blade
ZA201404960B (en)	2015-10-28	Rotor blade for a turbine