DE60212007T2 - Gezahnte Schaufel - Google Patents

Gezahnte Schaufel Download PDF

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Publication number
DE60212007T2
DE60212007T2 DE60212007T DE60212007T DE60212007T2 DE 60212007 T2 DE60212007 T2 DE 60212007T2 DE 60212007 T DE60212007 T DE 60212007T DE 60212007 T DE60212007 T DE 60212007T DE 60212007 T2 DE60212007 T2 DE 60212007T2
Authority
DE
Germany
Prior art keywords
rotor
trailing edge
blade
zigzag
zigzag notches
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.)
Expired - Lifetime
Application number
DE60212007T
Other languages
German (de)
English (en)
Other versions
DE60212007D1 (de
Inventor
Philip Roger Waynesville Gliebe
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.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE60212007D1 publication Critical patent/DE60212007D1/de
Publication of DE60212007T2 publication Critical patent/DE60212007T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • F05D2250/183—Two-dimensional patterned zigzag
    • 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
    • F05D2250/184—Two-dimensional patterned sinusoidal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

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)
DE60212007T 2001-07-18 2002-07-11 Gezahnte Schaufel Expired - Lifetime DE60212007T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/907,980 US6733240B2 (en) 2001-07-18 2001-07-18 Serrated fan blade
US907980 2001-07-18

Publications (2)

Publication Number Publication Date
DE60212007D1 DE60212007D1 (de) 2006-07-20
DE60212007T2 true DE60212007T2 (de) 2006-12-21

Family

ID=25424957

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60212007T Expired - Lifetime DE60212007T2 (de) 2001-07-18 2002-07-11 Gezahnte Schaufel

Country Status (4)

Country Link
US (1) US6733240B2 (enExample)
EP (1) EP1277966B1 (enExample)
JP (1) JP4130337B2 (enExample)
DE (1) DE60212007T2 (enExample)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD289525S (en) * 1984-10-01 1987-04-28 Industrial Tools, Inc. Slicing machine for magnetic tape or the like
FR2825142B1 (fr) * 2001-05-22 2003-08-29 Conseils Etudes Et Recherches En Gestion De Lair Cerga Ventilateur destine a etre associe a un conduit d'evacuation d'air hors d'au moins un local
EP1338793A3 (en) * 2002-02-22 2010-09-01 Mitsubishi Heavy Industries, Ltd. Serrated wind turbine blade trailing edge
GB0314123D0 (en) * 2003-06-18 2003-07-23 Rolls Royce Plc A gas turbine engine
US6905303B2 (en) * 2003-06-30 2005-06-14 General Electric Company Methods and apparatus for assembling gas turbine engines
DE10357075B4 (de) 2003-12-06 2006-01-12 Dornier Gmbh Verfahren zur Lärmreduzierung von Turbomaschinen
US7305817B2 (en) 2004-02-09 2007-12-11 General Electric Company Sinuous chevron exhaust nozzle
EP1582695A1 (de) * 2004-03-26 2005-10-05 Siemens Aktiengesellschaft Schaufel für eine Strömungsmaschine
JP4665472B2 (ja) * 2004-09-28 2011-04-06 パナソニック株式会社 送風機
KR100719103B1 (ko) 2005-09-26 2007-05-17 주식회사 에어로네트 터보형 후향익 다중 임펠러의 하이브리드 설계방법
JP2007149211A (ja) * 2005-11-28 2007-06-14 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
EP1801422B1 (de) * 2005-12-22 2013-06-12 Ziehl-Abegg AG Ventilator und Ventilatorflügel
US10611468B2 (en) * 2006-09-08 2020-04-07 Steven Sullivan Method and apparatus for mitigating trailing vortex wakes of lifting or thrust generating bodies
US8083487B2 (en) * 2007-07-09 2011-12-27 General Electric Company Rotary airfoils and method for fabricating same
US20090074585A1 (en) * 2007-09-19 2009-03-19 General Electric Company Wind turbine blades with trailing edge serrations
KR101436628B1 (ko) 2007-10-23 2014-09-02 엘지전자 주식회사 횡류팬 및 공기 조화기
US8540490B2 (en) * 2008-06-20 2013-09-24 General Electric Company Noise reduction in a turbomachine, and a related method thereof
US8197203B2 (en) * 2008-09-22 2012-06-12 Automotive Components Holdings, Llc Air diffuser for a HVAC system
US9739296B2 (en) * 2008-09-25 2017-08-22 Parafluidics Llc Channeling fluidic waveguide surfaces and tubes
US20110006165A1 (en) * 2009-07-10 2011-01-13 Peter Ireland Application of conformal sub boundary layer vortex generators to a foil or aero/ hydrodynamic surface
DE102009032719A1 (de) * 2009-07-14 2011-01-20 Rolls-Royce Deutschland Ltd & Co Kg Propeller
DE102009033756A1 (de) * 2009-07-17 2011-01-20 Rolls-Royce Deutschland Ltd & Co Kg Axialverdichter, insbesondere für eine Fluggasturbine
GB0916787D0 (en) 2009-09-24 2009-11-04 Rolls Royce Plc Variable shape rotor blade
US20110110763A1 (en) * 2009-11-06 2011-05-12 Dresser-Rand Company Exhaust Ring and Method to Reduce Turbine Acoustic Signature
US8608429B2 (en) * 2010-05-28 2013-12-17 General Electric Company System and method for enhanced turbine wake mixing via fluidic-generated vortices
US7976276B2 (en) * 2010-11-04 2011-07-12 General Electric Company Noise reducer for rotor blade in wind turbine
US8523515B2 (en) 2010-11-15 2013-09-03 General Electric Company Noise reducer for rotor blade in wind turbine
US8267657B2 (en) * 2010-12-16 2012-09-18 General Electric Company Noise reducer for rotor blade in wind turbine
US8556584B2 (en) * 2011-02-03 2013-10-15 General Electric Company Rotating component of a turbine engine
RU2550370C2 (ru) * 2011-05-11 2015-05-10 Альстом Текнолоджи Лтд Центробежная форсунка с выступающими частями
PL2712399T3 (pl) * 2011-05-16 2017-06-30 Lm Wp Patent Holding A/S Łopata turbiny wiatrowej z urządzeniami redukującymi hałas oraz powiązany sposób
US8414261B2 (en) 2011-05-31 2013-04-09 General Electric Company Noise reducer for rotor blade in wind turbine
WO2013070296A2 (en) * 2011-08-19 2013-05-16 Aerovironment, Inc. Aircraft system for reduced observer visibility
US8834127B2 (en) 2011-09-09 2014-09-16 General Electric Company Extension for rotor blade in wind turbine
US8984890B2 (en) * 2011-10-31 2015-03-24 General Electric Company Turbofan engine mixer assembly
US9909425B2 (en) * 2011-10-31 2018-03-06 Pratt & Whitney Canada Corporation Blade for a gas turbine engine
US8998575B2 (en) * 2011-11-14 2015-04-07 United Technologies Corporation Structural stator airfoil
US9341158B2 (en) * 2011-12-08 2016-05-17 Inventus Holdings, Llc Quiet wind turbine blade
GB2497739A (en) * 2011-12-19 2013-06-26 Rolls Royce Plc Rotor blade with serrated trailing edge
US8430638B2 (en) 2011-12-19 2013-04-30 General Electric Company Noise reducer for rotor blade in wind turbine
US9121294B2 (en) * 2011-12-20 2015-09-01 General Electric Company Fan blade with composite core and wavy wall trailing edge cladding
US9249666B2 (en) * 2011-12-22 2016-02-02 General Electric Company Airfoils for wake desensitization and method for fabricating same
US9340277B2 (en) 2012-02-29 2016-05-17 General Electric Company Airfoils for use in rotary machines
US9399951B2 (en) * 2012-04-17 2016-07-26 General Electric Company Modular louver system
US20130280085A1 (en) * 2012-04-23 2013-10-24 General Electric Company Flow modification device for rotor blade in wind turbine
ES2746966T3 (es) * 2012-06-01 2020-03-09 MTU Aero Engines AG Canal de transición para una turbomáquina y turbomáquina
KR101920085B1 (ko) 2012-09-12 2018-11-19 엘지전자 주식회사 팬
CN102996509A (zh) * 2012-09-27 2013-03-27 宁波狮球通风机电有限公司 离心风机
US9581034B2 (en) * 2013-03-14 2017-02-28 Elliott Company Turbomachinery stationary vane arrangement for disk and blade excitation reduction and phase cancellation
DE102013206207A1 (de) * 2013-04-09 2014-10-09 MTU Aero Engines AG Schaufelblatt für eine Strömungsmaschine mit Hinterkantenprofilierung, Schaufel und integral beschaufelter Rotor
US9494134B2 (en) 2013-11-20 2016-11-15 General Electric Company Noise reducing extension plate for rotor blade in wind turbine
GB201410675D0 (en) 2014-06-16 2014-07-30 Univ Brunel Noise reduction to the trailing edge of fluid dynamic bodies
US9849976B2 (en) 2014-08-19 2017-12-26 The Boeing Company Noise reducing profile for helicopter rotor blade tracking wedges
US11041388B2 (en) 2015-03-30 2021-06-22 Pratt & Whitney Canada Corp. Blade cutback distribution in rotor for noise reduction
US10180125B2 (en) 2015-04-20 2019-01-15 General Electric Company Airflow configuration for a wind turbine rotor blade
GB201512688D0 (en) * 2015-07-20 2015-08-26 Rolls Royce Plc Aerofoil
EP3181895A1 (en) * 2015-12-17 2017-06-21 LM WP Patent Holding A/S Splitter plate arrangement for a serrated wind turbine blade
GB201602895D0 (en) * 2016-02-19 2016-04-06 Rolls Royce Plc Aerofoil
US10465520B2 (en) 2016-07-22 2019-11-05 General Electric Company Blade with corrugated outer surface(s)
US10443399B2 (en) 2016-07-22 2019-10-15 General Electric Company Turbine vane with coupon having corrugated surface(s)
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
US10465525B2 (en) 2016-07-22 2019-11-05 General Electric Company Blade with internal rib having corrugated surface(s)
US10465652B2 (en) 2017-01-26 2019-11-05 General Electric Company Vortex generators for wind turbine rotor blades having noise-reducing features
CN106939900A (zh) * 2017-04-10 2017-07-11 温州职业技术学院 一种紊流低噪风机叶轮
GB201708297D0 (en) 2017-05-24 2017-07-05 Rolls Royce Plc Preventing electrical breakdown
GB201708289D0 (en) 2017-05-24 2017-07-05 Rolls Royce Plc Preventing electrical breakdown
EP3688285A1 (en) * 2017-09-29 2020-08-05 Carrier Corporation Axial fan blade with wavy airfoil and trailing edge serrations
USD901669S1 (en) 2017-09-29 2020-11-10 Carrier Corporation Contoured fan blade
GB201718069D0 (en) * 2017-11-01 2017-12-13 Rolls Royce Plc Aerofoil
CN207795681U (zh) * 2018-01-13 2018-08-31 广东美的环境电器制造有限公司 轴流扇叶、轴流风机扇叶组件、轴流风机风道组件
FR3078101B1 (fr) * 2018-02-16 2020-11-27 Safran Aircraft Engines Turbomachine a bec de separation de flux a profil en serrations
US10767623B2 (en) 2018-04-13 2020-09-08 General Electric Company Serrated noise reducer for a wind turbine rotor blade
ES3037885T3 (en) * 2018-06-27 2025-10-07 Siemens Gamesa Renewable Energy As Aerodynamic structure
ES2843742T3 (es) * 2018-06-27 2021-07-20 Siemens Gamesa Renewable Energy As Estructura aerodinámica
US10746157B2 (en) 2018-08-31 2020-08-18 General Electric Company Noise reducer for a wind turbine rotor blade having a cambered serration
BE1026579B1 (fr) * 2018-08-31 2020-03-30 Safran Aero Boosters Sa Aube a protuberance pour compresseur de turbomachine
FR3087482B1 (fr) * 2018-10-18 2021-12-17 Safran Aircraft Engines Structure profilee pour aeronef ou turbomachine
US20210115796A1 (en) * 2019-10-18 2021-04-22 United Technologies Corporation Airfoil component with trailing end margin and cutback
FR3103231B1 (fr) * 2019-11-19 2022-07-29 Safran Aircraft Engines Turbomachine à aubes ondulées
US12162591B1 (en) 2019-12-20 2024-12-10 United States Of America As Represented By The Administrator Of Nasa Anti-phase noise suppression rotor technologies
GB2592009B (en) * 2020-02-11 2022-08-24 Gkn Aerospace Sweden Ab Compressor blade
KR20220146472A (ko) 2020-03-10 2022-11-01 에베엠-펩스트 물핑겐 게엠베하 운트 코. 카게 팬 및 팬 블레이드
JP7294528B2 (ja) * 2020-04-01 2023-06-20 株式会社Ihi 静翼及び航空機用ガスタービンエンジン
CN113833568B (zh) * 2020-06-24 2022-09-06 中国航发商用航空发动机有限责任公司 分流环、航空发动机以及分流环制造方法
US11428160B2 (en) * 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
US11702939B2 (en) * 2021-07-23 2023-07-18 Pratt & Whitney Canada Corp. Fan icing detection system
US12378887B2 (en) * 2022-11-28 2025-08-05 General Electric Company Airfoil assembly
FR3151628A1 (fr) * 2023-07-26 2025-01-31 Safran Aircraft Engines Soufflante pour propulsion aéronautique

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1862827A (en) * 1930-01-22 1932-06-14 Parsons Steam turbine
GB789883A (en) 1954-08-20 1958-01-29 Power Jets Res & Dev Ltd High speed aerofoil
US3215172A (en) 1962-12-24 1965-11-02 Nilsson Robbins & Anderson Jet engine noise suppressor with shroud for aspiration of air into exhaust stream
US3365126A (en) * 1965-09-01 1968-01-23 Gen Electric Compressor blade
FR1536561A (fr) * 1967-08-22 1968-08-16 Gen Electric Ailettes pour compresseur à écoulement axial
US3403893A (en) * 1967-12-05 1968-10-01 Gen Electric Axial flow compressor blades
US3568792A (en) 1969-06-18 1971-03-09 Rohr Corp Sound-suppressing and thrust-reversing apparatus
US3853428A (en) * 1972-01-27 1974-12-10 Bolt Beranek & Newman Foil structures with reduced sound generation
IT1036993B (it) * 1974-07-02 1979-10-30 Rotron Inc Dispositivo per il movimento di un fluido
US4318669A (en) * 1980-01-07 1982-03-09 The United States Of America As Represented By The Secretary Of The Air Force Vane configuration for fluid wake re-energization
US4830315A (en) 1986-04-30 1989-05-16 United Technologies Corporation Airfoil-shaped body
JPS63113101A (ja) * 1986-10-31 1988-05-18 Hitachi Ltd 翼列装置
GB8829792D0 (en) * 1988-12-21 1989-07-05 Marconi Co Ltd Noise reduction method
US5169288A (en) 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
DE4208751A1 (de) * 1992-02-27 1993-11-11 Fritz Karl Hausser Gezahnte Fronten, Kanten oder Ränder als Verfahren zur Verringerung des Widerstandes von gasförmige und flüssige Gegenstände
NL9301910A (nl) * 1993-11-04 1995-06-01 Stork Prod Eng Windturbine.
GB2289921A (en) 1994-06-03 1995-12-06 A E Harris Limited Nozzle for turbofan aeroengines
JP3448136B2 (ja) 1994-11-08 2003-09-16 三菱重工業株式会社 プロペラファン

Also Published As

Publication number Publication date
JP4130337B2 (ja) 2008-08-06
US6733240B2 (en) 2004-05-11
JP2003090300A (ja) 2003-03-28
US20030152459A1 (en) 2003-08-14
DE60212007D1 (de) 2006-07-20
EP1277966A2 (en) 2003-01-22
EP1277966B1 (en) 2006-06-07
EP1277966A3 (en) 2003-10-29

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