EP2789798A3 - Pale d'aube pour une turbomachine avec son bord arrière profilé, aube et rotor à aubage intégral - Google Patents

Pale d'aube pour une turbomachine avec son bord arrière profilé, aube et rotor à aubage intégral Download PDF

Info

Publication number
EP2789798A3
EP2789798A3 EP14162553.3A EP14162553A EP2789798A3 EP 2789798 A3 EP2789798 A3 EP 2789798A3 EP 14162553 A EP14162553 A EP 14162553A EP 2789798 A3 EP2789798 A3 EP 2789798A3
Authority
EP
European Patent Office
Prior art keywords
blade
trailing edge
bladed rotor
integrally bladed
flow engine
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.)
Granted
Application number
EP14162553.3A
Other languages
German (de)
English (en)
Other versions
EP2789798B1 (fr
EP2789798A2 (fr
Inventor
Günter RAMM
Christine Lang
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
Original Assignee
MTU Aero Engines AG
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 AG filed Critical MTU Aero Engines AG
Publication of EP2789798A2 publication Critical patent/EP2789798A2/fr
Publication of EP2789798A3 publication Critical patent/EP2789798A3/fr
Application granted granted Critical
Publication of EP2789798B1 publication Critical patent/EP2789798B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • 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
    • F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing 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
    • F05D2240/304—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 trailing 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP14162553.3A 2013-04-09 2014-03-31 Pale d'aube pour une turbomachine avec son bord arrière profilé, aube et rotor à aubage intégral Not-in-force EP2789798B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013206207.9A DE102013206207A1 (de) 2013-04-09 2013-04-09 Schaufelblatt für eine Strömungsmaschine mit Hinterkantenprofilierung, Schaufel und integral beschaufelter Rotor

Publications (3)

Publication Number Publication Date
EP2789798A2 EP2789798A2 (fr) 2014-10-15
EP2789798A3 true EP2789798A3 (fr) 2015-01-21
EP2789798B1 EP2789798B1 (fr) 2017-06-07

Family

ID=50396971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14162553.3A Not-in-force EP2789798B1 (fr) 2013-04-09 2014-03-31 Pale d'aube pour une turbomachine avec son bord arrière profilé, aube et rotor à aubage intégral

Country Status (4)

Country Link
US (1) US9657576B2 (fr)
EP (1) EP2789798B1 (fr)
DE (1) DE102013206207A1 (fr)
ES (1) ES2632065T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9849976B2 (en) * 2014-08-19 2017-12-26 The Boeing Company Noise reducing profile for helicopter rotor blade tracking wedges
FR3027623B1 (fr) * 2014-10-23 2021-05-28 Snecma Aube mobile de rotor a reponse acoustique reduite
US11041388B2 (en) 2015-03-30 2021-06-22 Pratt & Whitney Canada Corp. Blade cutback distribution in rotor for noise reduction
EP3115693B1 (fr) * 2015-07-10 2021-09-01 Ansaldo Energia Switzerland AG Chambre de combustion séquentielle et son procédé de fonctionnement
US10876536B2 (en) 2015-07-23 2020-12-29 Onesubsea Ip Uk Limited Surge free subsea compressor
US11933323B2 (en) * 2015-07-23 2024-03-19 Onesubsea Ip Uk Limited Short impeller for a turbomachine
US10450868B2 (en) 2016-07-22 2019-10-22 General Electric Company Turbine rotor blade with coupon having corrugated surface(s)
US10465525B2 (en) 2016-07-22 2019-11-05 General Electric Company Blade with internal rib having corrugated surface(s)
US10443399B2 (en) 2016-07-22 2019-10-15 General Electric Company Turbine vane with coupon having corrugated surface(s)
US10436037B2 (en) 2016-07-22 2019-10-08 General Electric Company Blade with parallel corrugated surfaces on inner and outer surfaces
US10465520B2 (en) 2016-07-22 2019-11-05 General Electric Company Blade with corrugated outer surface(s)
EP3330613B1 (fr) * 2016-11-30 2020-10-21 Ansaldo Energia Switzerland AG Dispositif générateur de tourbillons
EP3330614B1 (fr) 2016-11-30 2019-10-02 Ansaldo Energia Switzerland AG Dispositif générateur de tourbillons
GB201718069D0 (en) * 2017-11-01 2017-12-13 Rolls Royce Plc Aerofoil
JP7114349B2 (ja) * 2018-06-06 2022-08-08 三菱重工業株式会社 舶用プロペラおよびその加工方法
CN109531448A (zh) * 2019-01-14 2019-03-29 禹州七方超硬材料制品有限公司 一种钢基体超硬材料砂轮
KR102403823B1 (ko) * 2019-12-13 2022-05-30 두산에너빌리티 주식회사 스트립이 형성된 배기 디퓨져의 스트롯 구조 및 가스터빈
CN111043079A (zh) * 2019-12-31 2020-04-21 潍柴动力股份有限公司 一种风扇叶片及风扇
US11725524B2 (en) 2021-03-26 2023-08-15 General Electric Company Engine airfoil metal edge
US11767607B1 (en) 2022-07-13 2023-09-26 General Electric Company Method of depositing a metal layer on a component

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0375296A1 (fr) * 1988-12-21 1990-06-27 The Marconi Company Limited Méthode pour la réduction de bruit
EP0273851B1 (fr) * 1986-12-29 1991-06-19 United Technologies Corporation Aube de turbine à gaz
EP1112928A2 (fr) * 1999-12-31 2001-07-04 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Profil aérodynamique avec bord de fuite améliorant la performance
US20080050243A1 (en) * 2006-08-24 2008-02-28 Siemens Power Generation, Inc. Turbine airfoil cooling system with bifurcated and recessed trailing edge exhaust channels
US20100150731A1 (en) * 2008-11-28 2010-06-17 Zhongshan Broad-Ocean Motor Co., Ltd. Fan blades

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US1366635A (en) * 1919-03-31 1921-01-25 Edward P Conway Propeller
GB293656A (en) * 1928-02-03 1928-07-12 Friedrich Tismer Improvements in or relating to propellers or screws
JPS5115210A (en) * 1974-07-02 1976-02-06 Rotoron Inc Zatsuongenshono fuan
JPS61279800A (ja) 1985-06-06 1986-12-10 Nissan Motor Co Ltd フアン
US4830315A (en) * 1986-04-30 1989-05-16 United Technologies Corporation Airfoil-shaped body
NL9301910A (nl) * 1993-11-04 1995-06-01 Stork Prod Eng Windturbine.
GB0001399D0 (en) * 2000-01-22 2000-03-08 Rolls Royce Plc An aerofoil for an axial flow turbomachine
US6733240B2 (en) * 2001-07-18 2004-05-11 General Electric Company Serrated fan blade
US6884029B2 (en) * 2002-09-26 2005-04-26 Siemens Westinghouse Power Corporation Heat-tolerated vortex-disrupting fluid guide component
JP4973249B2 (ja) * 2006-03-31 2012-07-11 ダイキン工業株式会社 多翼ファン
US8016561B2 (en) * 2006-07-11 2011-09-13 General Electric Company Gas turbine engine fan assembly and method for assembling to same
US8439643B2 (en) * 2009-08-20 2013-05-14 General Electric Company Biformal platform turbine blade
US8608429B2 (en) * 2010-05-28 2013-12-17 General Electric Company System and method for enhanced turbine wake mixing via fluidic-generated vortices
GB201016455D0 (en) * 2010-09-30 2010-11-17 Imp Innovations Ltd Fluid flow modification

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0273851B1 (fr) * 1986-12-29 1991-06-19 United Technologies Corporation Aube de turbine à gaz
EP0375296A1 (fr) * 1988-12-21 1990-06-27 The Marconi Company Limited Méthode pour la réduction de bruit
EP1112928A2 (fr) * 1999-12-31 2001-07-04 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Profil aérodynamique avec bord de fuite améliorant la performance
US20080050243A1 (en) * 2006-08-24 2008-02-28 Siemens Power Generation, Inc. Turbine airfoil cooling system with bifurcated and recessed trailing edge exhaust channels
US20100150731A1 (en) * 2008-11-28 2010-06-17 Zhongshan Broad-Ocean Motor Co., Ltd. Fan blades

Also Published As

Publication number Publication date
DE102013206207A1 (de) 2014-10-09
US20140301860A1 (en) 2014-10-09
EP2789798B1 (fr) 2017-06-07
US9657576B2 (en) 2017-05-23
ES2632065T3 (es) 2017-09-08
EP2789798A2 (fr) 2014-10-15

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