DE69924816D1 - Fluidumverdichter - Google Patents

Fluidumverdichter

Info

Publication number
DE69924816D1
DE69924816D1 DE69924816T DE69924816T DE69924816D1 DE 69924816 D1 DE69924816 D1 DE 69924816D1 DE 69924816 T DE69924816 T DE 69924816T DE 69924816 T DE69924816 T DE 69924816T DE 69924816 D1 DE69924816 D1 DE 69924816D1
Authority
DE
Germany
Prior art keywords
fluidumverdichter
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
DE69924816T
Other languages
English (en)
Other versions
DE69924816T2 (de
Inventor
Mark Barnett
Martin Graf
William D Sprout
John A Raw
Om Sharma
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.)
Pratt and Whitney Canada Corp
RTX Corp
Original Assignee
Pratt and Whitney Canada Corp
United Technologies 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 Pratt and Whitney Canada Corp, United Technologies Corp filed Critical Pratt and Whitney Canada Corp
Application granted granted Critical
Publication of DE69924816D1 publication Critical patent/DE69924816D1/de
Publication of DE69924816T2 publication Critical patent/DE69924816T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/16Sealings between pressure and suction sides
    • F04D29/161Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02Surge control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/522Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526Details of the casing section radially opposing blade tips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685Inducing localised fluid recirculation in the stator-rotor interface
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/50Intrinsic material properties or characteristics
    • F05D2300/516Surface roughness
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps
    • Y10S415/914Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69924816T 1998-12-10 1999-12-10 Fluidumverdichter Expired - Lifetime DE69924816T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/208,355 US6231301B1 (en) 1998-12-10 1998-12-10 Casing treatment for a fluid compressor
US208355 1998-12-10

Publications (2)

Publication Number Publication Date
DE69924816D1 true DE69924816D1 (de) 2005-05-25
DE69924816T2 DE69924816T2 (de) 2006-01-26

Family

ID=22774289

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69924816T Expired - Lifetime DE69924816T2 (de) 1998-12-10 1999-12-10 Fluidumverdichter
DE69940487T Expired - Lifetime DE69940487D1 (de) 1998-12-10 1999-12-10 Fluidumverdichter

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69940487T Expired - Lifetime DE69940487D1 (de) 1998-12-10 1999-12-10 Fluidumverdichter

Country Status (4)

Country Link
US (2) US6231301B1 (de)
EP (2) EP1008758B1 (de)
JP (1) JP2000170695A (de)
DE (2) DE69924816T2 (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6231301B1 (en) * 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor
US6527509B2 (en) * 1999-04-26 2003-03-04 Hitachi, Ltd. Turbo machines
US6499940B2 (en) * 2001-03-19 2002-12-31 Williams International Co., L.L.C. Compressor casing for a gas turbine engine
US6532433B2 (en) 2001-04-17 2003-03-11 General Electric Company Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge
US6438484B1 (en) 2001-05-23 2002-08-20 General Electric Company Method and apparatus for detecting and compensating for compressor surge in a gas turbine using remote monitoring and diagnostics
DE10135003C1 (de) * 2001-07-18 2002-10-02 Mtu Aero Engines Gmbh Verdichtergehäusestruktur
RU2310101C2 (ru) 2002-02-28 2007-11-10 Мту Аэро Энджинз Гмбх Компрессор (варианты) и вставка для корпуса компрессора (варианты)
GB0216952D0 (en) * 2002-07-20 2002-08-28 Rolls Royce Plc Gas turbine engine casing and rotor blade arrangement
US7003426B2 (en) * 2002-10-04 2006-02-21 General Electric Company Method and system for detecting precursors to compressor stall and surge
US7074006B1 (en) 2002-10-08 2006-07-11 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Endwall treatment and method for gas turbine
US6871487B2 (en) * 2003-02-14 2005-03-29 Kulite Semiconductor Products, Inc. System for detecting and compensating for aerodynamic instabilities in turbo-jet engines
US7356999B2 (en) * 2003-10-10 2008-04-15 York International Corporation System and method for stability control in a centrifugal compressor
US7905102B2 (en) * 2003-10-10 2011-03-15 Johnson Controls Technology Company Control system
CN1989316A (zh) * 2004-05-17 2007-06-27 小L·詹姆士·卡尔达雷拉 燃气涡轮机喷气发动机中的涡轮机箱体加强件
WO2005116446A1 (ja) * 2004-05-27 2005-12-08 Intellectual Property Bank Corp. 垂直軸風車用ブレードおよび垂直軸風車
US8191254B2 (en) 2004-09-23 2012-06-05 Carlton Forge Works Method and apparatus for improving fan case containment and heat resistance in a gas turbine jet engine
DE102004055439A1 (de) * 2004-11-17 2006-05-24 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung
US7159401B1 (en) * 2004-12-23 2007-01-09 Kulite Semiconductor Products, Inc. System for detecting and compensating for aerodynamic instabilities in turbo-jet engines
DE602006019310D1 (de) * 2005-09-19 2011-02-10 Ingersoll Rand Co Antriebsrad für einen radialverdichter
CN101297118B (zh) * 2005-09-19 2011-09-28 英格索尔-兰德公司 用于离心压缩机的静止密封环
US20070099013A1 (en) * 2005-10-27 2007-05-03 General Electric Company Methods and apparatus for manufacturing a component
GB0600532D0 (en) * 2006-01-12 2006-02-22 Rolls Royce Plc A blade and rotor arrangement
US20080044273A1 (en) * 2006-08-15 2008-02-21 Syed Arif Khalid Turbomachine with reduced leakage penalties in pressure change and efficiency
GB2442967B (en) * 2006-10-21 2011-02-16 Rolls Royce Plc An engine arrangement
FR2912789B1 (fr) * 2007-02-21 2009-10-02 Snecma Sa Carter avec traitement de carter, compresseur et turbomachine comportant un tel carter.
DE102007037924A1 (de) * 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Ringkanalwandausnehmung
US20090044542A1 (en) * 2007-08-17 2009-02-19 General Electric Company Apparatus and method for monitoring compressor clearance and controlling a gas turbine
US7988410B1 (en) 2007-11-19 2011-08-02 Florida Turbine Technologies, Inc. Blade tip shroud with circular grooves
US20100047055A1 (en) * 2007-12-28 2010-02-25 Aspi Rustom Wadia Plasma Enhanced Rotor
DE102008009604A1 (de) * 2008-02-15 2009-08-20 Rolls-Royce Deutschland Ltd & Co Kg Gehäusestrukturierung zum Stabilisieren der Strömung in einer Strömungsarbeitsmaschine
DE102008010283A1 (de) * 2008-02-21 2009-08-27 Mtu Aero Engines Gmbh Zirkulationsstruktur für einen Turboverdichter
DE102008011644A1 (de) * 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Gehäusestrukturierung für Axialverdichter im Nabenbereich
EP2290205A1 (de) * 2008-06-17 2011-03-02 IHI Corporation Verdichtergehäuse für einen turbolader
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
US8337146B2 (en) * 2009-06-03 2012-12-25 Pratt & Whitney Canada Corp. Rotor casing treatment with recessed baffles
US8459943B2 (en) * 2010-03-10 2013-06-11 United Technologies Corporation Gas turbine engine rotor sections held together by tie shaft, and with blade rim undercut
US8550768B2 (en) * 2010-06-08 2013-10-08 Siemens Energy, Inc. Method for improving the stall margin of an axial flow compressor using a casing treatment
GB2483060B (en) * 2010-08-23 2013-05-15 Rolls Royce Plc A turbomachine casing assembly
US9115594B2 (en) 2010-12-28 2015-08-25 Rolls-Royce Corporation Compressor casing treatment for gas turbine engine
US9303561B2 (en) * 2012-06-20 2016-04-05 Ford Global Technologies, Llc Turbocharger compressor noise reduction system and method
JP6514644B2 (ja) 2013-01-23 2019-05-15 コンセプツ エヌアールイーシー,エルエルシー ターボ機械の隣接する翼要素の流れの場を強制的に結合する構造体および方法、ならびにそれを組み込むターボ機械
EP2971547B1 (de) * 2013-03-12 2020-01-01 United Technologies Corporation Freitragender stator mit wirbelerzeugungsfunktion
JP6188069B2 (ja) * 2013-10-17 2017-08-30 三菱重工業株式会社 圧縮機、及びガスタービン
US9644639B2 (en) * 2014-01-27 2017-05-09 Pratt & Whitney Canada Corp. Shroud treatment for a centrifugal compressor
US9322683B2 (en) 2014-05-12 2016-04-26 Invensys Systems, Inc. Multivariable vortex flowmeter
JP6866019B2 (ja) * 2014-06-24 2021-04-28 コンセプツ エヌアールイーシー,エルエルシー ターボ機械の流動制御構造及びその設計方法
US10046424B2 (en) * 2014-08-28 2018-08-14 Honeywell International Inc. Rotors with stall margin and efficiency optimization and methods for improving gas turbine engine performance therewith
US10066640B2 (en) * 2015-02-10 2018-09-04 United Technologies Corporation Optimized circumferential groove casing treatment for axial compressors
US10132323B2 (en) 2015-09-30 2018-11-20 General Electric Company Compressor endwall treatment to delay compressor stall
US10315754B2 (en) 2016-06-10 2019-06-11 Coflow Jet, LLC Fluid systems that include a co-flow jet
US10106246B2 (en) 2016-06-10 2018-10-23 Coflow Jet, LLC Fluid systems that include a co-flow jet
CN110036208B (zh) * 2017-02-08 2021-05-28 三菱重工发动机和增压器株式会社 离心压缩机以及涡轮增压器
US10648484B2 (en) * 2017-02-14 2020-05-12 Honeywell International Inc. Grooved shroud casing treatment for high pressure compressor in a turbine engine
WO2018161069A1 (en) * 2017-03-03 2018-09-07 Elliott Company Method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes
FR3065994B1 (fr) * 2017-05-02 2019-04-19 Safran Aircraft Engines Turbomachine a rotor de soufflante et reducteur entrainant un arbre de compresseur basse pression
US10683076B2 (en) 2017-10-31 2020-06-16 Coflow Jet, LLC Fluid systems that include a co-flow jet
DE102017127421A1 (de) * 2017-11-21 2019-05-23 Man Energy Solutions Se Radialverdichter
CN108561338B (zh) * 2018-01-11 2020-11-10 南京航空航天大学 离心压气机周向大间隔小通孔机匣
US11293293B2 (en) 2018-01-22 2022-04-05 Coflow Jet, LLC Turbomachines that include a casing treatment
US10781756B2 (en) * 2018-02-02 2020-09-22 Pratt & Whitney Canada Corp. Active tip clearance control system for gas turbine engine
US11111025B2 (en) 2018-06-22 2021-09-07 Coflow Jet, LLC Fluid systems that prevent the formation of ice
US10914318B2 (en) 2019-01-10 2021-02-09 General Electric Company Engine casing treatment for reducing circumferentially variable distortion
US11078805B2 (en) * 2019-04-15 2021-08-03 Raytheon Technologies Corporation Inclination of forward and aft groove walls of casing treatment for gas turbine engine
WO2021016321A1 (en) 2019-07-23 2021-01-28 Gecheng Zha Fluid systems and methods that address flow separation
US11346367B2 (en) * 2019-07-30 2022-05-31 Pratt & Whitney Canada Corp. Compressor rotor casing with swept grooves
US11492910B2 (en) 2019-11-27 2022-11-08 General Electric Company Damper seals for rotating drums in turbomachines
JP2021124069A (ja) 2020-02-06 2021-08-30 三菱重工業株式会社 コンプレッサハウジング、該コンプレッサハウジングを備えるコンプレッサ、および該コンプレッサを備えるターボチャージャ
US11828188B2 (en) 2020-08-07 2023-11-28 Concepts Nrec, Llc Flow control structures for enhanced performance and turbomachines incorporating the same
CN113417883B (zh) * 2021-08-25 2022-02-01 中国航发上海商用航空发动机制造有限责任公司 探测装置、压气机
US11965528B1 (en) 2023-08-16 2024-04-23 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with circumferential movable closure for a fan of a gas turbine engine
US12018621B1 (en) 2023-08-16 2024-06-25 Rolls-Royce North American Technologies Inc. Adjustable depth tip treatment with rotatable ring with pockets for a fan of a gas turbine engine
US12066035B1 (en) 2023-08-16 2024-08-20 Rolls-Royce North American Technologies Inc. Adjustable depth tip treatment with axial member with pockets for a fan of a gas turbine engine
US11970985B1 (en) 2023-08-16 2024-04-30 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with pivoting vanes for a fan of a gas turbine engine
US12085021B1 (en) 2023-08-16 2024-09-10 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with movable closure for a fan of a gas turbine engine
US12078070B1 (en) 2023-08-16 2024-09-03 Rolls-Royce North American Technologies Inc. Adjustable air flow plenum with sliding doors for a fan of a gas turbine engine

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470565A (en) * 1945-10-09 1949-05-17 Ingersoll Rand Co Surge preventing device for centrifugal compressors
GB1357016A (en) 1971-11-04 1974-06-19 Rolls Royce Compressor bleed valves
US3934410A (en) 1972-09-15 1976-01-27 The United States Of America As Represented By The Secretary Of The Navy Quiet shrouded circulation control propeller
US3843278A (en) 1973-06-04 1974-10-22 United Aircraft Corp Abradable seal construction
US3901620A (en) * 1973-10-23 1975-08-26 Howell Instruments Method and apparatus for compressor surge control
US3999884A (en) 1974-08-01 1976-12-28 Ronald George Fuller Compensated propeller nozzles or ducts
US3966355A (en) 1975-06-24 1976-06-29 Westinghouse Electric Corporation Steam turbine extraction system
GB1518293A (en) 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
CH606775A5 (de) 1975-09-30 1978-11-15 Kraftwerk Union Ag
GB2017228B (en) 1977-07-14 1982-05-06 Pratt & Witney Aircraft Of Can Shroud for a turbine rotor
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
AU533765B2 (en) 1978-11-20 1983-12-08 Avco Corporation Surge control in gas; turbine
JPS6318799Y2 (de) * 1980-12-02 1988-05-26
US4479755A (en) * 1982-04-22 1984-10-30 A/S Kongsberg Vapenfabrikk Compressor boundary layer bleeding system
GB2146707B (en) 1983-09-14 1987-08-05 Rolls Royce Turbine
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
CA1314486C (en) * 1984-06-19 1993-03-16 Michael John Charles Waterman Axial flow compressor surge margin improvement
US4930979A (en) * 1985-12-24 1990-06-05 Cummins Engine Company, Inc. Compressors
US4781530A (en) 1986-07-28 1988-11-01 Cummins Engine Company, Inc. Compressor range improvement means
US4708584A (en) 1986-10-09 1987-11-24 Rockwell International Corporation Shrouded inducer pump
US4930978A (en) * 1988-07-01 1990-06-05 Household Manufacturing, Inc. Compressor stage with multiple vented inducer shroud
DE4027174A1 (de) * 1990-08-28 1992-03-05 Kuehnle Kopp Kausch Ag Kennfeldstabilisierung bei einem radialverdichter
US5209644A (en) 1991-01-11 1993-05-11 United Technologies Corporation Flow directing element for the turbine of a rotary machine and method of operation therefor
US5282718A (en) 1991-01-30 1994-02-01 United Technologies Corporation Case treatment for compressor blades
KR100198721B1 (ko) 1991-01-30 1999-06-15 레비스 스테픈 이 개선된 케이스를 갖는 가스 터어빈 엔진
US5246335A (en) * 1991-05-01 1993-09-21 Ishikawajima-Harimas Jukogyo Kabushiki Kaisha Compressor casing for turbocharger and assembly thereof
EP0528138B1 (de) 1991-08-08 1995-05-17 Asea Brown Boveri Ag Deckblatt für axialdurchströmte Turbine
DE59201833D1 (de) 1991-10-08 1995-05-11 Asea Brown Boveri Deckband für axialdurchströmte Turbine.
US5327716A (en) 1992-06-10 1994-07-12 General Electric Company System and method for tailoring rotor tip bleed air
US5297928A (en) 1992-06-15 1994-03-29 Mitsubishi Jukogyo Kabushiki Kaisha Centrifugal compressor
RU2034175C1 (ru) 1993-03-11 1995-04-30 Центральный институт авиационного моторостроения им.П.И.Баранова Турбокомпрессор
DE4326799A1 (de) 1993-08-10 1995-02-16 Abb Management Ag Vorrichtung zur Sekundärluftentnahme aus einem Axialverdichter
US5431533A (en) 1993-10-15 1995-07-11 United Technologies Corporation Active vaned passage casing treatment
US5520508A (en) 1994-12-05 1996-05-28 United Technologies Corporation Compressor endwall treatment
US5562404A (en) * 1994-12-23 1996-10-08 United Technologies Corporation Vaned passage hub treatment for cantilever stator vanes
US5607284A (en) 1994-12-29 1997-03-04 United Technologies Corporation Baffled passage casing treatment for compressor blades
US5474417A (en) * 1994-12-29 1995-12-12 United Technologies Corporation Cast casing treatment for compressor blades
US5586859A (en) 1995-05-31 1996-12-24 United Technologies Corporation Flow aligned plenum endwall treatment for compressor blades
JP3816150B2 (ja) 1995-07-18 2006-08-30 株式会社荏原製作所 遠心流体機械
DE19647605C2 (de) * 1996-11-18 1999-03-11 Daimler Benz Ag Abgas-Turbolader für Brennkraftmaschinen
US6244817B1 (en) * 1996-12-05 2001-06-12 Mcdonnell Douglas Corporation Method and apparatus for a fan noise controller
US6231301B1 (en) * 1998-12-10 2001-05-15 United Technologies Corporation Casing treatment for a fluid compressor

Also Published As

Publication number Publication date
DE69924816T2 (de) 2006-01-26
DE69940487D1 (de) 2009-04-09
EP1008758A3 (de) 2002-05-08
EP1538341A1 (de) 2005-06-08
US6619909B2 (en) 2003-09-16
EP1008758A2 (de) 2000-06-14
EP1008758B1 (de) 2005-04-20
EP1538341B1 (de) 2009-02-25
US6231301B1 (en) 2001-05-15
JP2000170695A (ja) 2000-06-20
US20030138317A1 (en) 2003-07-24

Similar Documents

Publication Publication Date Title
DE69829040D1 (de) Elektroplattierungschemie
DE69924816D1 (de) Fluidumverdichter
DE69935706D1 (de) Funkkommunnikationssystem
IS5585A (is) Lyfjaskömmtunarbúnaðir
FI980221A0 (fi) Refraktometer
NO20006688D0 (no) Brönner
DE69939653D1 (de) Erkstoff
FI980329A0 (fi) Optiskt telekommunikationsnaet
FI980280A0 (fi) Gripskoerdare
FI980739A0 (fi) Timmerknut
DE59807217D1 (de) Nadellager
DE69942000D1 (de) Sicherheitstontaube
NO20004740D0 (no) Paroksetinblandinger
DE69932075D1 (de) Aufzugsschachttuerstruktur
DE59910289D1 (de) Friktionsdrallvorrichtung
FI980281A0 (fi) Styrkoppling foer en grupphanteringsanordning
FI980030A0 (fi) Avfyringsmekanism foer skjutvapen
ATA126298A (de) Verpuffungsklappe
FI103298B (fi) Imutuuletuslaite
FI3537U1 (fi) Lemmikkieläinarkku
FI3636U1 (fi) Saunan lauteet
DE59901690D1 (de) Hanferntmaschine
CA83798S (fr) Tourniquet-grimpeur
FI980840A0 (fi) Fluglaos
FI980643A0 (fi) Laesanordning

Legal Events

Date Code Title Description
8364 No opposition during term of opposition