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DE69621079D1 - Turbomaschine - Google Patents

Turbomaschine

Info

Publication number
DE69621079D1
DE69621079D1 DE69621079T DE69621079T DE69621079D1 DE 69621079 D1 DE69621079 D1 DE 69621079D1 DE 69621079 T DE69621079 T DE 69621079T DE 69621079 T DE69621079 T DE 69621079T DE 69621079 D1 DE69621079 D1 DE 69621079D1
Authority
DE
Germany
Prior art keywords
turbomachinery
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 - Fee Related
Application number
DE69621079T
Other languages
English (en)
Other versions
DE69621079T2 (de
Inventor
Akira Goto
Tatsuyoshi Katsumata
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Publication of DE69621079D1 publication Critical patent/DE69621079D1/de
Application granted granted Critical
Publication of DE69621079T2 publication Critical patent/DE69621079T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/688—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for liquid pumps
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F04D29/684—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid injection
    • 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
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69621079T 1995-07-18 1996-07-17 Turbomaschine Expired - Fee Related DE69621079T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20529995 1995-07-18
JP17960496A JP3816150B2 (ja) 1995-07-18 1996-07-09 遠心流体機械

Publications (2)

Publication Number Publication Date
DE69621079D1 true DE69621079D1 (de) 2002-06-13
DE69621079T2 DE69621079T2 (de) 2003-01-02

Family

ID=26499401

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69621079T Expired - Fee Related DE69621079T2 (de) 1995-07-18 1996-07-17 Turbomaschine

Country Status (5)

Country Link
US (1) US5707206A (de)
EP (1) EP0754864B1 (de)
JP (1) JP3816150B2 (de)
CA (1) CA2181106C (de)
DE (1) DE69621079T2 (de)

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US6244817B1 (en) * 1996-12-05 2001-06-12 Mcdonnell Douglas Corporation Method and apparatus for a fan noise controller
EP0992656B1 (de) * 1998-10-05 2003-09-10 ALSTOM (Switzerland) Ltd Strömungsmaschine zum Verdichten oder Entspannen eines komprimierbaren Mediums
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US6231301B1 (en) 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
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US6290458B1 (en) * 1999-09-20 2001-09-18 Hitachi, Ltd. Turbo machines
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CN1313737C (zh) * 2005-01-27 2007-05-02 上海交通大学 轴流通风机防喘振环
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US7967105B2 (en) * 2006-06-19 2011-06-28 Yen Tuan Aero-acoustic aviation engine inlet for aggressive noise abatement
DE102006049076B4 (de) * 2006-10-13 2019-09-26 Mahle International Gmbh Axiallüfter eingerichtet zur Förderung von Kühlluft für eine Kühlvorrichtung eines Kraftfahrzeuges
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US8234869B2 (en) * 2010-08-09 2012-08-07 Yen Tuan Aviation engine inlet with tangential blowing for buzz saw noise control
US9567942B1 (en) * 2010-12-02 2017-02-14 Concepts Nrec, Llc Centrifugal turbomachines having extended performance ranges
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JP6010348B2 (ja) * 2012-06-01 2016-10-19 三菱日立パワーシステムズ株式会社 軸流圧縮機及びこれを備えたガスタービン
JP2014020509A (ja) * 2012-07-20 2014-02-03 Toshiba Corp シール装置、軸流タービン、および発電プラント
US9810157B2 (en) 2013-03-04 2017-11-07 Pratt & Whitney Canada Corp. Compressor shroud reverse bleed holes
EP2971547B1 (de) * 2013-03-12 2020-01-01 United Technologies Corporation Freitragender stator mit wirbelerzeugungsfunktion
US9726084B2 (en) 2013-03-14 2017-08-08 Pratt & Whitney Canada Corp. Compressor bleed self-recirculating system
DE102013210167A1 (de) 2013-05-31 2014-12-04 Rolls-Royce Deutschland Ltd & Co Kg Strukturbaugruppe für eine Strömungsmaschine
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DE102013210169A1 (de) 2013-05-31 2014-12-04 Rolls-Royce Deutschland Ltd & Co Kg Strukturbaugruppe für eine Strömungsmaschine
EP2816199B1 (de) * 2013-06-17 2021-09-01 General Electric Technology GmbH Steuerung von Instabilitäten aufgrund eines geringen Volumenflusses in Dampfturbinen
CN103410762B (zh) * 2013-07-12 2016-05-18 华北电力大学（保定） 一种离心风机旋转失速控制装置及方法
EP3033497B1 (de) * 2013-08-12 2020-02-26 United Technologies Corporation Gasturbinentriebwerk und zugehöriges montageverfahren
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CN104074799B (zh) * 2013-11-17 2017-01-18 成都中科航空发动机有限公司 一种具有扩张型子午流道的轴流压气机及其设计方法
US9644639B2 (en) * 2014-01-27 2017-05-09 Pratt & Whitney Canada Corp. Shroud treatment for a centrifugal compressor
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US10823194B2 (en) 2014-12-01 2020-11-03 General Electric Company Compressor end-wall treatment with multiple flow axes
US10047620B2 (en) 2014-12-16 2018-08-14 General Electric Company Circumferentially varying axial compressor endwall treatment for controlling leakage flow therein
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US10106246B2 (en) 2016-06-10 2018-10-23 Coflow Jet, LLC Fluid systems that include a co-flow jet
US10315754B2 (en) 2016-06-10 2019-06-11 Coflow Jet, LLC Fluid systems that include a co-flow jet
RU2645100C1 (ru) * 2016-09-28 2018-02-15 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" Периферийное устройство для снижения утечек теплоносителя
US10683076B2 (en) 2017-10-31 2020-06-16 Coflow Jet, LLC Fluid systems that include a co-flow jet
US11293293B2 (en) 2018-01-22 2022-04-05 Coflow Jet, LLC Turbomachines that include a casing treatment
US11111025B2 (en) 2018-06-22 2021-09-07 Coflow Jet, LLC Fluid systems that prevent the formation of ice
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Also Published As

Publication number Publication date
EP0754864B1 (de) 2002-05-08
CA2181106C (en) 2007-08-28
JPH0988893A (ja) 1997-03-31
JP3816150B2 (ja) 2006-08-30
EP0754864A1 (de) 1997-01-22
DE69621079T2 (de) 2003-01-02
CA2181106A1 (en) 1997-01-19
US5707206A (en) 1998-01-13

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