IT8520756A0 - Perfezionamenti relativi al controllo di pompaggio in un compressore a flusso assiale. - Google Patents

Perfezionamenti relativi al controllo di pompaggio in un compressore a flusso assiale.

Info

Publication number
IT8520756A0
IT8520756A0 IT8520756A IT2075685A IT8520756A0 IT 8520756 A0 IT8520756 A0 IT 8520756A0 IT 8520756 A IT8520756 A IT 8520756A IT 2075685 A IT2075685 A IT 2075685A IT 8520756 A0 IT8520756 A0 IT 8520756A0
Authority
IT
Italy
Prior art keywords
axial flow
flow compressor
pumping control
improvements related
pumping
Prior art date
Application number
IT8520756A
Other languages
English (en)
Other versions
IT1185000B (it
Inventor
Lucas Rupert Morton
Original Assignee
Rolls Royce
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 Rolls Royce filed Critical Rolls Royce
Publication of IT8520756A0 publication Critical patent/IT8520756A0/it
Application granted granted Critical
Publication of IT1185000B publication Critical patent/IT1185000B/it

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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
    • 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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/023—Details or means for fluid extraction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
IT20756/85A 1984-05-19 1985-05-17 Perfezionamenti relativi al controllo di pompaggio in un compressore a flusso assiale IT1185000B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08412865A GB2158879B (en) 1984-05-19 1984-05-19 Preventing surge in an axial flow compressor

Publications (2)

Publication Number Publication Date
IT8520756A0 true IT8520756A0 (it) 1985-05-17
IT1185000B IT1185000B (it) 1987-10-28

Family

ID=10561229

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20756/85A IT1185000B (it) 1984-05-19 1985-05-17 Perfezionamenti relativi al controllo di pompaggio in un compressore a flusso assiale

Country Status (5)

Country Link
JP (1) JPS60256597A (it)
DE (1) DE3517486A1 (it)
FR (1) FR2564533A1 (it)
GB (1) GB2158879B (it)
IT (1) IT1185000B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ48394A3 (en) * 1993-03-04 1994-09-14 Abb Management Ag Radial-flow compressor with a flow-stabilizing casing
US5431533A (en) * 1993-10-15 1995-07-11 United Technologies Corporation Active vaned passage casing treatment
US6231301B1 (en) 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
US6574965B1 (en) 1998-12-23 2003-06-10 United Technologies Corporation Rotor tip bleed in gas turbine engines
US6234747B1 (en) * 1999-11-15 2001-05-22 General Electric Company Rub resistant compressor stage
GB2361033B (en) 2000-04-08 2004-06-09 Rolls Royce Plc A gas turbine engine blade containment assembly
DE102004036238A1 (de) 2004-07-26 2006-02-16 Alstom Technology Ltd Verfahren zur Modifikation eines Turbokompressors
CN1313737C (zh) * 2005-01-27 2007-05-02 上海交通大学 轴流通风机防喘振环
FR2882112B1 (fr) * 2005-02-16 2007-05-11 Snecma Moteurs Sa Prelevement en tete des roues mobiles de compresseur haute pression de turboreacteur
GB0600532D0 (en) * 2006-01-12 2006-02-22 Rolls Royce Plc A blade and rotor arrangement
DE102007053135A1 (de) * 2007-11-08 2009-05-14 Mtu Aero Engines Gmbh Gasturbinenbauteil, insbesondere Flugtriebwerksbauteil bzw. Verdichterbauteil
FR2929349B1 (fr) * 2008-03-28 2010-04-16 Snecma Carter pour roue a aubes mobiles de turbomachine
DE102008024022A1 (de) 2008-05-16 2009-11-19 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinentriebwerk, insbesondere Flugtriebwerk
EP2305960B1 (fr) 2009-09-28 2013-07-31 Techspace Aero S.A. Valve de purge dans le canal primaire du compresseur et procédé correspondant de suppression de phénomène de pompage
JP5202597B2 (ja) * 2010-09-16 2013-06-05 株式会社日立製作所 軸流圧縮機，軸流圧縮機を備えたガスタービンシステム及び軸流圧縮機の改造方法
EP2434163A1 (de) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Verdichter
EP2532898A1 (de) 2011-06-08 2012-12-12 Siemens Aktiengesellschaft Axialturboverdichter
US9932985B2 (en) 2015-02-03 2018-04-03 Honeywell International Inc. Gas turbine engine compressors having optimized stall enhancement feature configurations and methods for the production thereof
CN111594321B (zh) * 2020-06-01 2021-09-03 杭州汽轮机股份有限公司 燃气轮机防喘退喘流量调节系统及防喘退喘流量调节方法
CN113280006B (zh) * 2021-05-27 2022-05-20 中国科学院工程热物理研究所 一种发动机压缩系统部件颤振的主动抑制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1179220A (fr) * 1954-12-22 1959-05-21 Talalmanyokat Ertekesito Vall Dispositif perfectionné pour ventilateurs, en particulier de grande dimension, comportant un diffuseur
FR1472085A (fr) * 1965-11-18 1967-03-10 Snecma Perfectionnement aux compresseurs contra-rotatifs
US3473727A (en) * 1968-01-02 1969-10-21 Bendix Corp Air compressor surge control apparatus
US3809490A (en) * 1973-05-02 1974-05-07 United Aircraft Corp Compressor surge sensor
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4063848A (en) * 1976-03-24 1977-12-20 Caterpillar Tractor Co. Centrifugal compressor vaneless space casing treatment
US4212585A (en) * 1978-01-20 1980-07-15 Northern Research And Engineering Corporation Centrifugal compressor
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
US4238170A (en) * 1978-06-26 1980-12-09 United Technologies Corporation Blade tip seal for an axial flow rotary machine
SU926365A1 (ru) * 1980-05-12 1982-05-07 Харьковский авиационный институт им.Н.Е.Жуковского Осевой компрессор

Also Published As

Publication number Publication date
GB2158879A (en) 1985-11-20
IT1185000B (it) 1987-10-28
DE3517486A1 (de) 1985-11-21
GB2158879B (en) 1987-09-03
FR2564533A1 (fr) 1985-11-22
JPS60256597A (ja) 1985-12-18

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