ES2135768T3 - Motor de reluctancia con conmutacion electronica. - Google Patents
Motor de reluctancia con conmutacion electronica.Info
- Publication number
- ES2135768T3 ES2135768T3 ES95932980T ES95932980T ES2135768T3 ES 2135768 T3 ES2135768 T3 ES 2135768T3 ES 95932980 T ES95932980 T ES 95932980T ES 95932980 T ES95932980 T ES 95932980T ES 2135768 T3 ES2135768 T3 ES 2135768T3
- Authority
- ES
- Spain
- Prior art keywords
- poles
- yoke
- rotor
- reluctance motor
- electronic switching
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
- H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
- H02P25/086—Commutation
- H02P25/089—Sensorless control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Synchronous Machinery (AREA)
- Control Of Electric Motors In General (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Toys (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
ESTE MOTOR DISPONE DE UN CIRCUITO MAGNETICO ESPECIAL, QUE PERMITE QUE SEA ALIMENTADO POR MEDIO DE UN CIRCUITO ELECTRONICO MUY SIMPLE. EL MOTOR TIENE, DE ACUERDO CON LA FIGURA, CUATRO YUGOS (11,12) CON PERFIL EN U CON OCHO POLOS (111) ESPACIADOS DE FORMA IRREGULAR RODEANDO UN ROTOR (12) DE SEIS POLOS ROTATIVO. EL MOTOR ES ACCIONADO POR MEDIO DE DOS DISPOSITIVOS (21) SEMICONDUCTORES CONTROLADOS MEDIANTE UN SENSOR (31) HALL. LA ENERGIA DE DESMAGNETIZACION, QUE ES APLICADA LIBREMENTE MEDIANTE CONEXION DEL ARROLLAMIENTO (112X) PRINCIPAL, ES DIRIGIDA A TRAVES DE LOS DIODOS (22) DE ACOPLAMIENTO COMO ENERGIA DE MAGNETIZACION PREVIA A LOS ARROLLAMIENTOS (113Y) SECUNDARIOS DE LA SIGUIENTE FASE (Y). ESTE MOTOR CON ALTA CAPACIDAD DE VELOCIDAD QUE ES ECONOMICO DE FABRICACION, SENCILLO Y FUNCIONANDO DE MODO SUAVE, PUEDE SER UTILIZADO PRINCIPALMENTE PARA BOMBAS, VENTILADORES Y SOPLADORES PARA GASES Y FLUIDOS.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO9401551A RO117883B1 (ro) | 1994-09-22 | 1994-09-22 | Motor cu comutatie electronica, in special pentru pompe |
RO9500800 | 1995-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2135768T3 true ES2135768T3 (es) | 1999-11-01 |
Family
ID=26653542
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98108754T Expired - Lifetime ES2202696T3 (es) | 1994-09-22 | 1995-09-19 | Conmutacion electrica de la bobina de un motor de reluctancia. |
ES95932980T Expired - Lifetime ES2135768T3 (es) | 1994-09-22 | 1995-09-19 | Motor de reluctancia con conmutacion electronica. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98108754T Expired - Lifetime ES2202696T3 (es) | 1994-09-22 | 1995-09-19 | Conmutacion electrica de la bobina de un motor de reluctancia. |
Country Status (11)
Country | Link |
---|---|
US (1) | US6262510B1 (es) |
EP (3) | EP0782781B1 (es) |
JP (1) | JP3142575B2 (es) |
KR (1) | KR970706640A (es) |
CN (1) | CN1075272C (es) |
AT (2) | ATE182040T1 (es) |
BR (1) | BR9509072A (es) |
DE (2) | DE59510727D1 (es) |
ES (2) | ES2202696T3 (es) |
RU (1) | RU2198459C2 (es) |
WO (1) | WO1996009683A1 (es) |
Families Citing this family (83)
Publication number | Priority date | Publication date | Assignee | Title |
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US6262510B1 (en) | 1994-09-22 | 2001-07-17 | Iancu Lungu | Electronically switched reluctance motor |
BR9713519A (pt) * | 1996-11-20 | 2000-03-21 | Iancu Lungu | Máquina de relutância bifásica, comutada eletronicamente. |
DE29622254U1 (de) * | 1996-12-21 | 1998-04-16 | Aeg Hausgeraete Gmbh | Leistungselektronik für einen Synchronmotor |
US6129528A (en) * | 1998-07-20 | 2000-10-10 | Nmb Usa Inc. | Axial flow fan having a compact circuit board and impeller blade arrangement |
US7064070B2 (en) * | 1998-09-28 | 2006-06-20 | Tokyo Electron Limited | Removal of CMP and post-CMP residue from semiconductors using supercritical carbon dioxide process |
DE19851712C2 (de) * | 1998-10-30 | 2003-12-24 | Pascha Tavana-Nejad | Verfahren zur Speisung einer geschalteten Reluktanz- und Transversalflußmaschine |
DE19860111A1 (de) * | 1998-12-23 | 2000-07-06 | Mannesmann Vdo Ag | Mehrpoliger Elektromotor und Verfahren zu seiner Herstellung |
CN100407549C (zh) * | 1999-05-26 | 2008-07-30 | 扬丘·伦古 | 电子换向的两相磁阻电机的定子 |
RO120023B1 (ro) * | 1999-05-26 | 2005-07-29 | Iancu Lungu | Motor electric de curent continuu, cu comutaţie electronică |
RO119917B1 (ro) * | 1999-05-26 | 2005-05-30 | Iancu Lungu | Metodă de reglare a puterii unei maşini de reluctanţă cu două faze, cu comutaţie electronică |
CN1636308B (zh) * | 1999-05-26 | 2011-01-05 | 扬丘·伦古 | 用于控制电子换向的两相磁阻电机的方法 |
RO120022B1 (ro) * | 1999-05-26 | 2005-07-29 | Iancu Lungu | Inductor pentru maşini de reluctanţă comutabilă, cu două faze, cu comutaţie electronică |
JP2001050161A (ja) * | 1999-08-05 | 2001-02-23 | Ebara Corp | 気体移送機 |
DE19941698A1 (de) | 1999-09-02 | 2001-03-15 | Bosch Gmbh Robert | Anordnung zum Schutz einer einen induktiven Verbraucher schaltenden Leistungshalbleiter-Endstufe |
JP2001186693A (ja) * | 1999-12-27 | 2001-07-06 | Matsushita Refrig Co Ltd | スイッチトリラクタンスモータ |
US6890853B2 (en) * | 2000-04-25 | 2005-05-10 | Tokyo Electron Limited | Method of depositing metal film and metal deposition cluster tool including supercritical drying/cleaning module |
JP2002136090A (ja) * | 2000-10-30 | 2002-05-10 | Matsushita Electric Ind Co Ltd | ブラシレスモータ |
JP2002262531A (ja) * | 2001-03-01 | 2002-09-13 | Toshio Takegawa | 直流発電機 |
KR100429989B1 (ko) * | 2001-05-26 | 2004-05-03 | 엘지전자 주식회사 | 스켈리턴 타입 무정류자 전동기 |
US6787951B2 (en) | 2001-10-01 | 2004-09-07 | Wavecrest Laboratories, Llc | Rotary electric motor having controller and power supply integrated therein |
US6784582B1 (en) * | 2001-11-19 | 2004-08-31 | Valeo Electrical Systems, Inc. | Magnet shaping and pole concentration for reduction of cogging torque in permanent magnet motors |
US6927524B2 (en) | 2001-11-27 | 2005-08-09 | Wavecrest Laboratories, Llc | Rotary electric motor having separate control modules for respective stator electromagnets |
JP2005516405A (ja) * | 2002-01-25 | 2005-06-02 | 東京エレクトロン株式会社 | 超臨界二酸化炭素プロセス中の汚染物の形成を低減する方法 |
GB2390488B (en) * | 2002-02-04 | 2006-11-08 | Milwaukee Electric Tool Corp | Electrical devices including a switched reluctance motor |
US20050227187A1 (en) * | 2002-03-04 | 2005-10-13 | Supercritical Systems Inc. | Ionic fluid in supercritical fluid for semiconductor processing |
WO2003077032A1 (en) * | 2002-03-04 | 2003-09-18 | Supercritical Systems Inc. | Method of passivating of low dielectric materials in wafer processing |
US7387868B2 (en) * | 2002-03-04 | 2008-06-17 | Tokyo Electron Limited | Treatment of a dielectric layer using supercritical CO2 |
JP4031440B2 (ja) * | 2002-03-22 | 2008-01-09 | 東京エレクトロン株式会社 | 超臨界処理を用いる汚染物の除去 |
US7169540B2 (en) * | 2002-04-12 | 2007-01-30 | Tokyo Electron Limited | Method of treatment of porous dielectric films to reduce damage during cleaning |
US6817845B2 (en) * | 2002-04-19 | 2004-11-16 | Envirotech Pumpsystems, Inc. | Centrifugal pump with switched reluctance motor drive |
US6794839B1 (en) | 2002-11-08 | 2004-09-21 | Wavecrest Laboratories, Llc | Precision motor control with selective current waveform profiles in separate stator core segments |
US6919700B2 (en) | 2003-01-29 | 2005-07-19 | Wavecrest Laboratories, Llc | Adaptive control of motor stator current waveform profiles |
US6727668B1 (en) | 2002-06-19 | 2004-04-27 | Wavecrest Laboratories, Llc | Precision brushless motor control utilizing independent phase parameters |
CA2483672A1 (en) * | 2002-06-19 | 2003-12-31 | Wavecrest Laboratories Llc | Adaptive control architecture for electric machines |
US6940242B1 (en) | 2003-01-29 | 2005-09-06 | Wavecrest Laboratories, Llc | Motor control system for dynamically changing motor energization current waveform profiles |
US20040112409A1 (en) * | 2002-12-16 | 2004-06-17 | Supercritical Sysems, Inc. | Fluoride in supercritical fluid for photoresist and residue removal |
US20040177867A1 (en) * | 2002-12-16 | 2004-09-16 | Supercritical Systems, Inc. | Tetra-organic ammonium fluoride and HF in supercritical fluid for photoresist and residue removal |
US20040231707A1 (en) * | 2003-05-20 | 2004-11-25 | Paul Schilling | Decontamination of supercritical wafer processing equipment |
US20050022850A1 (en) * | 2003-07-29 | 2005-02-03 | Supercritical Systems, Inc. | Regulation of flow of processing chemistry only into a processing chamber |
US7163380B2 (en) * | 2003-07-29 | 2007-01-16 | Tokyo Electron Limited | Control of fluid flow in the processing of an object with a fluid |
US6986647B2 (en) * | 2003-11-21 | 2006-01-17 | Tokyo Electron Limited | Pump design for circulating supercritical carbon dioxide |
DE102004028824B4 (de) * | 2004-06-15 | 2006-12-21 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Gerät mit einer innerhalb eines Ventilators oder eines Elektromotors integriert angeordneten Steuerelektronik |
US20060102282A1 (en) * | 2004-11-15 | 2006-05-18 | Supercritical Systems, Inc. | Method and apparatus for selectively filtering residue from a processing chamber |
US20060185694A1 (en) * | 2005-02-23 | 2006-08-24 | Richard Brown | Rinsing step in supercritical processing |
US20060185693A1 (en) * | 2005-02-23 | 2006-08-24 | Richard Brown | Cleaning step in supercritical processing |
US20060186088A1 (en) * | 2005-02-23 | 2006-08-24 | Gunilla Jacobson | Etching and cleaning BPSG material using supercritical processing |
US7550075B2 (en) * | 2005-03-23 | 2009-06-23 | Tokyo Electron Ltd. | Removal of contaminants from a fluid |
US20060226117A1 (en) * | 2005-03-29 | 2006-10-12 | Bertram Ronald T | Phase change based heating element system and method |
US20060223899A1 (en) * | 2005-03-30 | 2006-10-05 | Hillman Joseph T | Removal of porogens and porogen residues using supercritical CO2 |
US20060225769A1 (en) * | 2005-03-30 | 2006-10-12 | Gentaro Goshi | Isothermal control of a process chamber |
US7399708B2 (en) * | 2005-03-30 | 2008-07-15 | Tokyo Electron Limited | Method of treating a composite spin-on glass/anti-reflective material prior to cleaning |
US7442636B2 (en) * | 2005-03-30 | 2008-10-28 | Tokyo Electron Limited | Method of inhibiting copper corrosion during supercritical CO2 cleaning |
US20060219268A1 (en) * | 2005-03-30 | 2006-10-05 | Gunilla Jacobson | Neutralization of systemic poisoning in wafer processing |
US20070000519A1 (en) * | 2005-06-30 | 2007-01-04 | Gunilla Jacobson | Removal of residues for low-k dielectric materials in wafer processing |
JP4857631B2 (ja) * | 2005-07-15 | 2012-01-18 | 日本電産株式会社 | ファンモータ |
US7436138B2 (en) * | 2006-03-01 | 2008-10-14 | Regal-Beloit Corporation | Methods and systems for emulating an induction motor utilizing an electronically commutated motor |
DE102006012554A1 (de) * | 2006-03-16 | 2007-09-20 | Motec Components Gmbh & Co. Kg | Einphasiger geschalteter Reluktanzmotor |
JP5188746B2 (ja) * | 2007-05-15 | 2013-04-24 | 株式会社甲府明電舎 | ブラシレスdcモータ |
JP2010529820A (ja) * | 2007-05-31 | 2010-08-26 | クリシュナン ラム | 最小限の固定子鉄心を備えたスイッチドリラクタンス機 |
EP2251959B1 (en) | 2009-05-15 | 2012-07-11 | Electric Drive Technology AG | Group of electrical coils and method for producing such group of coils |
DE102010034890A1 (de) * | 2009-08-21 | 2011-03-10 | Johnson Electric S.A. | Universalmotor |
DE102011009563A1 (de) * | 2010-01-30 | 2011-08-04 | ebm-papst St. Georgen GmbH & Co. KG, 78112 | Verfahren zur Verbesserung des Wirkungsgrades bei einem mehrphasigen Motor, und Motor zur Durchführung eines solchen Verfahrens |
US8749104B2 (en) * | 2010-04-30 | 2014-06-10 | Alstom Renewable Technologies | Rotating electric machine, especially synchronous permanent magnet machine |
DE102010036828A1 (de) | 2010-08-04 | 2012-02-09 | Friedrich Waltermann | Stator für elektrische Maschine mit überlappenden U-förmigen Kernblechen |
DE102011052131A1 (de) | 2011-07-26 | 2013-01-31 | actiro Power Blower GmbH | Reluktanzmotor und verfahren zu dessen montage |
CN103036492A (zh) * | 2011-10-05 | 2013-04-10 | 姚其良 | 外定子式直流电动机的工作程序控制编程 |
GB2500580B (en) * | 2012-03-23 | 2015-07-08 | Dyson Technology Ltd | Stator for an electrical machine |
KR101367054B1 (ko) * | 2012-08-28 | 2014-02-24 | 삼성전기주식회사 | 스위치드 릴럭턴스 모터 어셈블리 |
DE102012021351A1 (de) | 2012-11-02 | 2014-05-08 | Cornelius Lungu | Hi- Speed Sekundärluftpumpe |
CN103178659B (zh) * | 2013-02-01 | 2015-05-13 | 江苏飞马动力科技有限公司 | 基于相位角控制的向量磁流电机 |
DE102013102124A1 (de) * | 2013-03-04 | 2014-09-04 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Einphasiger Elektromotor |
TWM458027U (zh) * | 2013-03-12 | 2013-07-21 | Zhen-Jie Hong | 開關式磁阻馬達之改良構造 |
CN103107669A (zh) * | 2013-03-13 | 2013-05-15 | 张家政 | 定子和转子凸极均为模块化的节能开关磁阻电机 |
JP2018152923A (ja) | 2015-08-03 | 2018-09-27 | ヤマハ発動機株式会社 | ブラシモータ |
CN105976972A (zh) * | 2016-06-21 | 2016-09-28 | 东莞力音电子有限公司 | 无骨架多串联线圈 |
RU2696853C2 (ru) * | 2016-08-09 | 2019-08-07 | Рябых Виктор Владимирович | Электродвигатель |
JP2018074811A (ja) * | 2016-10-31 | 2018-05-10 | 株式会社テージーケー | モータ装置 |
CN108319758A (zh) * | 2017-12-29 | 2018-07-24 | 上海市政交通设计研究院有限公司 | 一种基于水力模型的城市下穿地道排水系统优化设计方法 |
US10734876B2 (en) * | 2018-03-19 | 2020-08-04 | Denso International America, Inc. | Brushless motor for HVAC system |
CN108233608B (zh) * | 2018-03-22 | 2023-09-15 | 宁德时代电机科技有限公司 | 一种集成无损自动制动的永磁电机装置 |
KR102685318B1 (ko) * | 2018-08-01 | 2024-07-16 | 존슨 일렉트릭 인터내셔널 아게 | 액추에이터 |
CN110515015A (zh) * | 2019-10-21 | 2019-11-29 | 贵州鑫湄纳米科技有限公司 | 一种新型微型磁传感器及其加工工艺 |
KR102524011B1 (ko) * | 2020-11-30 | 2023-04-19 | 서울대학교산학협력단 | 전동기 장치 |
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US2109992A (en) | 1934-11-15 | 1938-03-01 | Gen Electric | Method of making current collecting devices |
FR1401385A (fr) | 1964-04-20 | 1965-06-04 | Alsthom Cgee | Machine électrique à deux rotors |
CH431701A (de) | 1965-04-30 | 1967-03-15 | Siemens Ag | Synchronmotor mit Reluktanzläufer |
GB1198526A (en) | 1966-08-23 | 1970-07-15 | Licentia Gmbh | Motor having a Plurality of Speeds which can be Switched Selectively. |
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DE3138323A1 (de) | 1981-09-25 | 1983-04-14 | Siemens AG, 1000 Berlin und 8000 München | Elektromotor, insbesondere kollektorloser gleichstrommotor |
JPS59204451A (ja) * | 1983-05-09 | 1984-11-19 | Tokyo Electric Co Ltd | 電動機 |
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JPS61244260A (ja) | 1985-04-22 | 1986-10-30 | Hideyo Hirai | 磁極と電機子を回転させる発電機 |
JPS6311052A (ja) * | 1986-06-30 | 1988-01-18 | Secoh Giken Inc | 2相リラクタンス型半導体電動機 |
FR2630868A1 (fr) | 1988-04-28 | 1989-11-03 | Sibeud Jean Paul | Dispositif electrique intercale entre un arbre moteur et un arbre recepteur notamment pour la transmission d'un vehicule lourd |
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US6262510B1 (en) | 1994-09-22 | 2001-07-17 | Iancu Lungu | Electronically switched reluctance motor |
-
1995
- 1995-09-15 US US08/809,238 patent/US6262510B1/en not_active Expired - Fee Related
- 1995-09-19 KR KR1019970701883A patent/KR970706640A/ko active IP Right Grant
- 1995-09-19 AT AT95932980T patent/ATE182040T1/de not_active IP Right Cessation
- 1995-09-19 AT AT98108754T patent/ATE243386T1/de not_active IP Right Cessation
- 1995-09-19 DE DE59510727T patent/DE59510727D1/de not_active Expired - Lifetime
- 1995-09-19 RU RU97106100/09A patent/RU2198459C2/ru not_active IP Right Cessation
- 1995-09-19 EP EP95932980A patent/EP0782781B1/de not_active Expired - Lifetime
- 1995-09-19 JP JP08510786A patent/JP3142575B2/ja not_active Expired - Fee Related
- 1995-09-19 WO PCT/RO1995/000012 patent/WO1996009683A1/de active IP Right Grant
- 1995-09-19 DE DE59506367T patent/DE59506367D1/de not_active Expired - Lifetime
- 1995-09-19 EP EP98108754A patent/EP0866547B1/de not_active Expired - Lifetime
- 1995-09-19 ES ES98108754T patent/ES2202696T3/es not_active Expired - Lifetime
- 1995-09-19 CN CN95195804A patent/CN1075272C/zh not_active Expired - Fee Related
- 1995-09-19 BR BR9509072A patent/BR9509072A/pt not_active IP Right Cessation
- 1995-09-19 ES ES95932980T patent/ES2135768T3/es not_active Expired - Lifetime
- 1995-09-19 EP EP98108755A patent/EP0869601A3/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0866547A1 (de) | 1998-09-23 |
CN1075272C (zh) | 2001-11-21 |
JP3142575B2 (ja) | 2001-03-07 |
WO1996009683A1 (de) | 1996-03-28 |
DE59506367D1 (de) | 1999-08-12 |
KR970706640A (ko) | 1997-11-03 |
BR9509072A (pt) | 1997-12-23 |
EP0869601A3 (de) | 1998-10-21 |
ATE243386T1 (de) | 2003-07-15 |
JPH10505998A (ja) | 1998-06-09 |
DE59510727D1 (de) | 2003-07-24 |
ES2202696T3 (es) | 2004-04-01 |
EP0866547B1 (de) | 2003-06-18 |
ATE182040T1 (de) | 1999-07-15 |
EP0782781B1 (de) | 1999-07-07 |
RU2198459C2 (ru) | 2003-02-10 |
US6262510B1 (en) | 2001-07-17 |
CN1161764A (zh) | 1997-10-08 |
EP0869601A2 (de) | 1998-10-07 |
EP0782781A1 (de) | 1997-07-09 |
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