EP2893143A4 - Géométrie de cambrure d'emplanture pour aube en forme de profil aérodynamique - Google Patents

Géométrie de cambrure d'emplanture pour aube en forme de profil aérodynamique

Info

Publication number
EP2893143A4
EP2893143A4 EP13852794.0A EP13852794A EP2893143A4 EP 2893143 A4 EP2893143 A4 EP 2893143A4 EP 13852794 A EP13852794 A EP 13852794A EP 2893143 A4 EP2893143 A4 EP 2893143A4
Authority
EP
European Patent Office
Prior art keywords
airfoil shaped
shaped vane
root
bow geometry
geometry
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.)
Withdrawn
Application number
EP13852794.0A
Other languages
German (de)
English (en)
Other versions
EP2893143A2 (fr
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.)
Filing date
Publication date
Application filed by MTU Aero Engines GmbH, United Technologies Corp filed Critical MTU Aero Engines GmbH
Publication of EP2893143A2 publication Critical patent/EP2893143A2/fr
Publication of EP2893143A4 publication Critical patent/EP2893143A4/fr
Withdrawn legal-status Critical Current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 Géométrie de cambrure d'emplanture pour aube en forme de profil aérodynamique Withdrawn EP2893143A4 (fr)

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 (fr) 2012-09-05 2013-08-20 Géométrie de cambrure d'emplanture pour aube en forme de profil aérodynamique

Publications (2)

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

Family

ID=50187859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13852794.0A Withdrawn EP2893143A4 (fr) 2012-09-05 2013-08-20 Géométrie de cambrure d'emplanture pour aube en forme de profil aérodynamique

Country Status (3)

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

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 (fr) * 2010-09-28 2012-03-28 Hitachi Ltd. Aube statorique de turbine à vapeur et turbine à vapeur

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 (fr) * 2007-04-03 2008-10-16 Carrier Corporation Aubes directrices de sortie pour des ventilateurs à écoulement axial
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

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 (fr) * 2010-09-28 2012-03-28 Hitachi Ltd. Aube statorique de turbine à vapeur et turbine à vapeur

Also Published As

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

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20150407

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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

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20151001

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/68 20060101ALI20150925BHEP

Ipc: F01D 9/04 20060101ALI20150925BHEP

Ipc: F01D 5/14 20060101AFI20150925BHEP

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UNITED TECHNOLOGIES CORPORATION

Owner name: MTU AERO ENGINES GMBH

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Effective date: 20190524

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Effective date: 20200715