IL137862A - Rub resistant compressor stage - Google Patents

Rub resistant compressor stage

Info

Publication number
IL137862A
IL137862A IL13786200A IL13786200A IL137862A IL 137862 A IL137862 A IL 137862A IL 13786200 A IL13786200 A IL 13786200A IL 13786200 A IL13786200 A IL 13786200A IL 137862 A IL137862 A IL 137862A
Authority
IL
Israel
Prior art keywords
compressor stage
casing
rub resistant
blade tips
lands
Prior art date
Application number
IL13786200A
Other languages
English (en)
Other versions
IL137862A0 (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 IL137862A0 publication Critical patent/IL137862A0/xx
Publication of IL137862A publication Critical patent/IL137862A/xx

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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • 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
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • 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
    • F05D2240/11—Shroud seal segments
    • 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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Inorganic Insulating Materials (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Compressor (AREA)
IL13786200A 1999-11-15 2000-08-15 Rub resistant compressor stage IL137862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/439,436 US6234747B1 (en) 1999-11-15 1999-11-15 Rub resistant compressor stage

Publications (2)

Publication Number Publication Date
IL137862A0 IL137862A0 (en) 2001-10-31
IL137862A true IL137862A (en) 2003-06-24

Family

ID=23744687

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13786200A IL137862A (en) 1999-11-15 2000-08-15 Rub resistant compressor stage

Country Status (7)

Country Link
US (1) US6234747B1 (xx)
EP (1) EP1101947B1 (xx)
JP (1) JP2001182694A (xx)
AT (1) ATE333591T1 (xx)
DE (1) DE60029405T2 (xx)
ES (1) ES2267465T3 (xx)
IL (1) IL137862A (xx)

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US6527509B2 (en) * 1999-04-26 2003-03-04 Hitachi, Ltd. Turbo machines
US7213068B1 (en) * 1999-11-12 2007-05-01 Lucent Technologies Inc. Policy management system
JP3862137B2 (ja) * 2000-09-20 2006-12-27 淳一 黒川 ターボ形水力機械
JP3872966B2 (ja) * 2001-06-29 2007-01-24 株式会社日立プラントテクノロジー 軸流形流体機械
DE10135003C1 (de) * 2001-07-18 2002-10-02 Mtu Aero Engines Gmbh Verdichtergehäusestruktur
WO2003072949A1 (en) * 2002-02-28 2003-09-04 Mtu Aero Engines Gmbh Anti-stall tip treatment means for turbo-compressors
GB0216952D0 (en) * 2002-07-20 2002-08-28 Rolls Royce Plc Gas turbine engine casing and rotor blade arrangement
DE102004055439A1 (de) * 2004-11-17 2006-05-24 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung
GB0513377D0 (en) * 2005-06-30 2005-08-03 Rolls Royce Plc A blade
US7685823B2 (en) * 2005-10-28 2010-03-30 Power Systems Mfg., Llc Airflow distribution to a low emissions combustor
GB0526011D0 (en) * 2005-12-22 2006-02-01 Rolls Royce Plc Fan or compressor casing
GB0600532D0 (en) * 2006-01-12 2006-02-22 Rolls Royce Plc A blade and rotor arrangement
GB2435904B (en) * 2006-03-10 2008-08-27 Rolls Royce Plc Compressor Casing
US8172518B2 (en) * 2006-12-29 2012-05-08 General Electric Company Methods and apparatus for fabricating a rotor assembly
DE102007037924A1 (de) * 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Ringkanalwandausnehmung
DE102007053135A1 (de) * 2007-11-08 2009-05-14 Mtu Aero Engines Gmbh Gasturbinenbauteil, insbesondere Flugtriebwerksbauteil bzw. Verdichterbauteil
US7988410B1 (en) 2007-11-19 2011-08-02 Florida Turbine Technologies, Inc. Blade tip shroud with circular grooves
DE102008011644A1 (de) * 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Gehäusestrukturierung für Axialverdichter im Nabenbereich
DE102008031982A1 (de) * 2008-07-07 2010-01-14 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Nut an einem Laufspalt eines Schaufelendes
DE102008037154A1 (de) * 2008-08-08 2010-02-11 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine
US8177494B2 (en) * 2009-03-15 2012-05-15 United Technologies Corporation Buried casing treatment strip for a gas turbine engine
US8602720B2 (en) 2010-06-22 2013-12-10 Honeywell International Inc. Compressors with casing treatments in gas turbine engines
GB2487900B (en) 2011-02-03 2013-02-06 Rolls Royce Plc A turbomachine comprising an annular casing and a bladed rotor
EP2530330B1 (de) * 2011-06-01 2016-05-25 MTU Aero Engines AG Laufschaufel für einen Verdichter einer Turbomaschine, Verdichter sowie Turbomaschine
US20130089421A1 (en) * 2011-10-05 2013-04-11 Jeffrey Howard Nussbaum Gas turbine engine airfoil tip recesses
US20140208756A1 (en) * 2013-01-30 2014-07-31 Alstom Technology Ltd. System For Reducing Combustion Noise And Improving Cooling
EP2971547B1 (en) * 2013-03-12 2020-01-01 United Technologies Corporation Cantilever stator with vortex initiation feature
EP2818724B1 (de) * 2013-06-27 2020-09-23 MTU Aero Engines GmbH Strömungsmaschine und Verfahren
GB201410264D0 (en) 2014-06-10 2014-07-23 Rolls Royce Plc An assembly
US10465716B2 (en) 2014-08-08 2019-11-05 Pratt & Whitney Canada Corp. Compressor casing
US10066640B2 (en) * 2015-02-10 2018-09-04 United Technologies Corporation Optimized circumferential groove casing treatment for axial compressors
US10107307B2 (en) * 2015-04-14 2018-10-23 Pratt & Whitney Canada Corp. Gas turbine engine rotor casing treatment
CA2955646A1 (en) 2016-01-19 2017-07-19 Pratt & Whitney Canada Corp. Gas turbine engine rotor blade casing
CN105840551B (zh) * 2016-04-15 2018-06-12 上海交通大学 多工况点高负荷压气机叶片的气动实现方法
CN108506049A (zh) * 2018-03-15 2018-09-07 哈尔滨工业大学 抑制涡轮顶部泄漏流动的球底棱柱凹腔叶顶
US11346232B2 (en) 2018-04-23 2022-05-31 Rolls-Royce Corporation Turbine blade with abradable tip
US10995623B2 (en) 2018-04-23 2021-05-04 Rolls-Royce Corporation Ceramic matrix composite turbine blade with abrasive tip
CN109322709B (zh) * 2018-09-13 2021-11-12 合肥通用机械研究院有限公司 一种透平膨胀机的可调式喷嘴叶片机构
US20230151825A1 (en) * 2021-11-17 2023-05-18 Pratt & Whitney Canada Corp. Compressor shroud with swept grooves

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT262333B (de) * 1966-12-20 1968-06-10 Elin Union Ag Turbinenschaufelausbildung
GB1518293A (en) 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
JPS6318799Y2 (xx) * 1980-12-02 1988-05-26
CA1158563A (en) * 1981-01-27 1983-12-13 Ulo Okapuu Circumferentially grooved shroud liner
FR2558900B1 (fr) * 1984-02-01 1988-05-27 Snecma Dispositif d'etancheite peripherique d'aubage de compresseur axial
GB2158879B (en) * 1984-05-19 1987-09-03 Rolls Royce Preventing surge in an axial flow compressor
GB2245312B (en) 1984-06-19 1992-03-25 Rolls Royce Plc Axial flow compressor surge margin improvement
RU2034175C1 (ru) * 1993-03-11 1995-04-30 Центральный институт авиационного моторостроения им.П.И.Баранова Турбокомпрессор
JP3816150B2 (ja) * 1995-07-18 2006-08-30 株式会社荏原製作所 遠心流体機械
DE19619438B4 (de) * 1996-05-14 2005-04-21 Alstom Wärmestausegment für eine Turbomaschine
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip

Also Published As

Publication number Publication date
ATE333591T1 (de) 2006-08-15
DE60029405T2 (de) 2007-02-15
DE60029405D1 (de) 2006-08-31
EP1101947B1 (en) 2006-07-19
JP2001182694A (ja) 2001-07-06
ES2267465T3 (es) 2007-03-16
EP1101947A2 (en) 2001-05-23
US6234747B1 (en) 2001-05-22
IL137862A0 (en) 2001-10-31
EP1101947A3 (en) 2002-07-17

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