IL140103A - Air surfaces of periodic stators - Google Patents

Air surfaces of periodic stators

Info

Publication number
IL140103A
IL140103A IL14010300A IL14010300A IL140103A IL 140103 A IL140103 A IL 140103A IL 14010300 A IL14010300 A IL 14010300A IL 14010300 A IL14010300 A IL 14010300A IL 140103 A IL140103 A IL 140103A
Authority
IL
Israel
Prior art keywords
casing
spacing
circumferential spacing
airfoils
struts
Prior art date
Application number
IL14010300A
Other languages
English (en)
Hebrew (he)
Other versions
IL140103A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL140103A0 publication Critical patent/IL140103A0/xx
Publication of IL140103A publication Critical patent/IL140103A/en

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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially 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
    • 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)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IL14010300A 1999-12-18 2000-12-05 Air surfaces of periodic stators IL140103A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/466,157 US6439838B1 (en) 1999-12-18 1999-12-18 Periodic stator airfoils

Publications (2)

Publication Number Publication Date
IL140103A0 IL140103A0 (en) 2002-02-10
IL140103A true IL140103A (en) 2004-06-01

Family

ID=23850730

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14010300A IL140103A (en) 1999-12-18 2000-12-05 Air surfaces of periodic stators

Country Status (7)

Country Link
US (1) US6439838B1 (hr)
EP (1) EP1111191B1 (hr)
JP (1) JP4495335B2 (hr)
AT (1) ATE321191T1 (hr)
DE (1) DE60026803T2 (hr)
ES (1) ES2259983T3 (hr)
IL (1) IL140103A (hr)

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FR2824597B1 (fr) * 2001-05-11 2004-04-02 Snecma Moteurs Reduction de vibrations dans une structure comprenant un rotor et des sources de perturbation fixes
US6789998B2 (en) * 2002-09-06 2004-09-14 Honeywell International Inc. Aperiodic struts for enhanced blade responses
US7234914B2 (en) 2002-11-12 2007-06-26 Continum Dynamics, Inc. Apparatus and method for enhancing lift produced by an airfoil
US20040187475A1 (en) * 2002-11-12 2004-09-30 Usab William J. Apparatus and method for reducing radiated sound produced by a rotating impeller
GB2420157B (en) * 2003-05-14 2006-06-28 Rolls Royce Plc A stator vane assembly for a turbomachine
US6905303B2 (en) * 2003-06-30 2005-06-14 General Electric Company Methods and apparatus for assembling gas turbine engines
US7097420B2 (en) * 2004-04-14 2006-08-29 General Electric Company Methods and apparatus for assembling gas turbine engines
US8757965B2 (en) * 2004-06-01 2014-06-24 Volvo Aero Corporation Gas turbine compression system and compressor structure
DE602005017793D1 (de) * 2004-07-16 2009-12-31 Bell Helicopter Textron Inc Gegendrehmomentvorrichtung für hubschrauber
JP4590227B2 (ja) 2004-08-04 2010-12-01 株式会社日立製作所 軸流ポンプ及び斜流ポンプ
US20070022196A1 (en) * 2005-06-29 2007-01-25 Subodh Agrawal Single token multifactor authentication system and method
US7743497B2 (en) * 2005-10-06 2010-06-29 General Electric Company Method of providing non-uniform stator vane spacing in a compressor
EP1956247A4 (en) * 2005-11-29 2014-05-14 Ihi Corp CASCADE OF GUIDES OF A TURBOFLUID MACHINE
DE102006060694B4 (de) * 2006-12-18 2020-07-09 Rolls-Royce Deutschland Ltd & Co Kg Rotor- und Statorschaufel-Anordnung für ein Gasturbinentriebwerk
EP2096321B1 (en) * 2006-12-21 2017-03-22 Mitsubishi Hitachi Power Systems, Ltd. Compressor
PL2126367T3 (pl) * 2007-01-17 2014-07-31 Ansaldo Energia Spa Wielostopniowa sprężarka układu turbogazowego
EP2014925A1 (de) 2007-07-12 2009-01-14 ABB Turbo Systems AG Diffuser für Radialverdichter
US20090317237A1 (en) * 2008-06-20 2009-12-24 General Electric Company System and method for reduction of unsteady pressures in turbomachinery
US8277166B2 (en) * 2009-06-17 2012-10-02 Dresser-Rand Company Use of non-uniform nozzle vane spacing to reduce acoustic signature
EP2295732A1 (en) 2009-09-14 2011-03-16 Alstom Technology Ltd Axial turbine and method for discharging a flow from an axial turbine
US8042483B2 (en) * 2009-09-18 2011-10-25 The United States Of America As Represented By The Secretary Of The Navy Apparatus for control of stator wakes
US8534991B2 (en) * 2009-11-20 2013-09-17 United Technologies Corporation Compressor with asymmetric stator and acoustic cutoff
GB2482545B (en) * 2010-08-06 2017-05-03 Ge Aviat Systems Ltd Aircraft propellers with composite blades mounted to a single propeller hub
US8678752B2 (en) 2010-10-20 2014-03-25 General Electric Company Rotary machine having non-uniform blade and vane spacing
US20120099995A1 (en) * 2010-10-20 2012-04-26 General Electric Company Rotary machine having spacers for control of fluid dynamics
US8684685B2 (en) 2010-10-20 2014-04-01 General Electric Company Rotary machine having grooves for control of fluid dynamics
EP2474744A1 (de) * 2011-01-11 2012-07-11 Siemens Aktiengesellschaft Ringförmiger Strömungskanal für einen Axialverdichter
EP2753202B1 (en) 2011-09-06 2016-04-27 British American Tobacco (Investments) Ltd Heating smokeable material
US8932013B2 (en) 2011-10-05 2015-01-13 Twin City Fan Companies, Ltd. Guide vane and inline fan assembly
US20130094942A1 (en) * 2011-10-12 2013-04-18 Raymond Angus MacKay Non-uniform variable vanes
GB201217067D0 (en) 2012-09-25 2012-11-07 British American Tobacco Co Heating smokable material
US10221707B2 (en) * 2013-03-07 2019-03-05 Pratt & Whitney Canada Corp. Integrated strut-vane
EP2971614B1 (en) * 2013-03-14 2020-10-14 Rolls-Royce Corporation A subsonic shock strut
US9581034B2 (en) 2013-03-14 2017-02-28 Elliott Company Turbomachinery stationary vane arrangement for disk and blade excitation reduction and phase cancellation
GB201311620D0 (en) 2013-06-28 2013-08-14 British American Tobacco Co Devices Comprising a Heat Source Material and Activation Chambers for the Same
US9835038B2 (en) 2013-08-07 2017-12-05 Pratt & Whitney Canada Corp. Integrated strut and vane arrangements
US20150063997A1 (en) * 2013-08-29 2015-03-05 General Electric Company Airfoil trailing edge
US9556746B2 (en) 2013-10-08 2017-01-31 Pratt & Whitney Canada Corp. Integrated strut and turbine vane nozzle arrangement
JP5804044B2 (ja) * 2013-12-27 2015-11-04 ダイキン工業株式会社 多翼ファン
US10094223B2 (en) * 2014-03-13 2018-10-09 Pratt & Whitney Canada Corp. Integrated strut and IGV configuration
GB201500582D0 (en) 2015-01-14 2015-02-25 British American Tobacco Co Apparatus for heating or cooling a material contained therein
US9909434B2 (en) 2015-07-24 2018-03-06 Pratt & Whitney Canada Corp. Integrated strut-vane nozzle (ISV) with uneven vane axial chords
US10125622B2 (en) * 2015-08-27 2018-11-13 Rolls-Royce North American Technologies Inc. Splayed inlet guide vanes
US20170055575A1 (en) 2015-08-31 2017-03-02 British American Tobacco (Investments) Limited Material for use with apparatus for heating smokable material
US11924930B2 (en) 2015-08-31 2024-03-05 Nicoventures Trading Limited Article for use with apparatus for heating smokable material
US20170055584A1 (en) 2015-08-31 2017-03-02 British American Tobacco (Investments) Limited Article for use with apparatus for heating smokable material
US20170119047A1 (en) 2015-10-30 2017-05-04 British American Tobacco (Investments) Limited Article for Use with Apparatus for Heating Smokable Material
US20170119046A1 (en) 2015-10-30 2017-05-04 British American Tobacco (Investments) Limited Apparatus for Heating Smokable Material
US10443626B2 (en) 2016-03-15 2019-10-15 General Electric Company Non uniform vane spacing
US10443451B2 (en) 2016-07-18 2019-10-15 Pratt & Whitney Canada Corp. Shroud housing supported by vane segments
US20190078450A1 (en) * 2017-09-08 2019-03-14 United Technologies Corporation Inlet guide vane having a varied trailing edge geometry
DE102017221684A1 (de) * 2017-12-01 2019-06-06 MTU Aero Engines AG Turbomaschinen-Strömungskanal

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US1534721A (en) * 1924-04-28 1925-04-21 Aeg Construction of elastic-fluid turbines to prevent breakage of blades due to vibrations
US3006603A (en) * 1954-08-25 1961-10-31 Gen Electric Turbo-machine blade spacing with modulated pitch
US3058528A (en) * 1960-01-18 1962-10-16 Continental Motors Corp Noise suppressed fan structure
US3169747A (en) * 1961-01-06 1965-02-16 Bristol Siddeley Engines Ltd Rotary bladed power conversion machines
US3745629A (en) * 1972-04-12 1973-07-17 Secr Defence Method of determining optimal shapes for stator blades
JPS5525555A (en) * 1978-08-12 1980-02-23 Hitachi Ltd Impeller
US4474534A (en) * 1982-05-17 1984-10-02 General Dynamics Corp. Axial flow fan
US5342167A (en) * 1992-10-09 1994-08-30 Airflow Research And Manufacturing Corporation Low noise fan
DE19525699A1 (de) * 1995-07-14 1997-01-16 Bmw Rolls Royce Gmbh Tandem-Schaufelgitter

Also Published As

Publication number Publication date
IL140103A0 (en) 2002-02-10
EP1111191A3 (en) 2003-10-08
JP2001214705A (ja) 2001-08-10
EP1111191B1 (en) 2006-03-22
EP1111191A2 (en) 2001-06-27
ATE321191T1 (de) 2006-04-15
ES2259983T3 (es) 2006-11-01
US6439838B1 (en) 2002-08-27
DE60026803T2 (de) 2006-12-07
DE60026803D1 (de) 2006-05-11
JP4495335B2 (ja) 2010-07-07

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