EP2789798A3 - Turbine blade for a flow engine with profiled trailing edge, blade and integrally bladed rotor - Google Patents

Turbine blade for a flow engine with profiled trailing edge, blade and integrally bladed rotor Download PDF

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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)
French (fr)
Other versions
EP2789798B1 (en
EP2789798A2 (en
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/en
Publication of EP2789798A3 publication Critical patent/EP2789798A3/en
Application granted granted Critical
Publication of EP2789798B1 publication Critical patent/EP2789798B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Abstract

Die vorliegende Erfindung betrifft ein Schaufelblatt für eine Strömungsmaschine (100) mit einer Saugseite (5), einer Druckseite (7) und einer Schaufelhinterkante (200), wobei das Schaufelblatt (100) im Bereich der Schaufelhinterkante (200) zumindest abschnittsweise ein Profil (9) aufweist, welches sich über die Saugseite (5) und die Druckseite (7) der Schaufelhinterkante (200) erstreckt. Des Weiteren betrifft die vorliegende Erfindung eine Schaufel sowie einen integral beschaufelten Rotor.

Figure imgaf001
The present invention relates to an airfoil for a turbomachine (100) with a suction side (5), a pressure side (7) and a blade trailing edge (200), wherein the blade (100) at least in sections in the region of the blade trailing edge (200) has a profile (9 ), which extends over the suction side (5) and the pressure side (7) of the blade trailing edge (200). Furthermore, the present invention relates to a blade and an integrally bladed rotor.
Figure imgaf001
EP14162553.3A 2013-04-09 2014-03-31 Turbine blade for a flow engine with profiled trailing edge, blade and integrally bladed rotor Not-in-force EP2789798B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013206207.9A DE102013206207A1 (en) 2013-04-09 2013-04-09 Airfoil for a turbomachine with trailing edge profiling, blade and integrally bladed rotor

Publications (3)

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

Family

ID=50396971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14162553.3A Not-in-force EP2789798B1 (en) 2013-04-09 2014-03-31 Turbine blade for a flow engine with profiled trailing edge, blade and integrally bladed rotor

Country Status (4)

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

Families Citing this family (19)

* 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 (en) 2014-10-23 2021-05-28 Snecma MOBILE ROTOR DAWN WITH REDUCED ACOUSTIC RESPONSE
US11041388B2 (en) 2015-03-30 2021-06-22 Pratt & Whitney Canada Corp. Blade cutback distribution in rotor for noise reduction
EP3115693B1 (en) * 2015-07-10 2021-09-01 Ansaldo Energia Switzerland AG Sequential combustor and method for operating the same
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)
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)
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)
EP3330613B1 (en) * 2016-11-30 2020-10-21 Ansaldo Energia Switzerland AG Vortex generating device
EP3330614B1 (en) 2016-11-30 2019-10-02 Ansaldo Energia Switzerland AG Vortex generating device
GB201718069D0 (en) * 2017-11-01 2017-12-13 Rolls Royce Plc Aerofoil
JP7114349B2 (en) * 2018-06-06 2022-08-08 三菱重工業株式会社 Marine propeller and its processing method
KR102403823B1 (en) * 2019-12-13 2022-05-30 두산에너빌리티 주식회사 Strut structure with strip for exhaust diffuser and gas turbine having the same
CN111043079A (en) * 2019-12-31 2020-04-21 潍柴动力股份有限公司 Fan blade and fan
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

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Publication number Priority date Publication date Assignee Title
EP0375296A1 (en) * 1988-12-21 1990-06-27 The Marconi Company Limited Noise reduction method
EP0273851B1 (en) * 1986-12-29 1991-06-19 United Technologies Corporation Gas turbine engine airfoil
EP1112928A2 (en) * 1999-12-31 2001-07-04 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Airfoil with performance enhancing trailing edge
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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JPS61279800A (en) 1985-06-06 1986-12-10 Nissan Motor Co Ltd Fan
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Publication number Priority date Publication date Assignee Title
EP0273851B1 (en) * 1986-12-29 1991-06-19 United Technologies Corporation Gas turbine engine airfoil
EP0375296A1 (en) * 1988-12-21 1990-06-27 The Marconi Company Limited Noise reduction method
EP1112928A2 (en) * 1999-12-31 2001-07-04 DLR Deutsches Zentrum für Luft- und Raumfahrt e.V. Airfoil with performance enhancing trailing edge
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
EP2789798B1 (en) 2017-06-07
DE102013206207A1 (en) 2014-10-09
US20140301860A1 (en) 2014-10-09
EP2789798A2 (en) 2014-10-15
ES2632065T3 (en) 2017-09-08
US9657576B2 (en) 2017-05-23

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