IT1223419B - Motore elettrico con un convertitore di frequenza per controllare i parametri operativi del motore - Google Patents

Motore elettrico con un convertitore di frequenza per controllare i parametri operativi del motore

Info

Publication number
IT1223419B
IT1223419B IT22977/87A IT2297787A IT1223419B IT 1223419 B IT1223419 B IT 1223419B IT 22977/87 A IT22977/87 A IT 22977/87A IT 2297787 A IT2297787 A IT 2297787A IT 1223419 B IT1223419 B IT 1223419B
Authority
IT
Italy
Prior art keywords
motor
check
frequency converter
operational parameters
electric motor
Prior art date
Application number
IT22977/87A
Other languages
English (en)
Other versions
IT8722977A0 (it
Inventor
Niels Due Jensen
Kaj Kruse
Peder Jensen
Original Assignee
Grundfos Int
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 Grundfos Int filed Critical Grundfos Int
Publication of IT8722977A0 publication Critical patent/IT8722977A0/it
Application granted granted Critical
Publication of IT1223419B publication Critical patent/IT1223419B/it

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K17/00Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02Asynchronous induction motors
    • H02K17/30Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
IT22977/87A 1986-12-13 1987-12-11 Motore elettrico con un convertitore di frequenza per controllare i parametri operativi del motore IT1223419B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863642724 DE3642724A1 (de) 1986-12-13 1986-12-13 Elektromotor mit einem frequenzumrichter zur steuerung der motorbetriebsgroessen

Publications (2)

Publication Number Publication Date
IT8722977A0 IT8722977A0 (it) 1987-12-11
IT1223419B true IT1223419B (it) 1990-09-19

Family

ID=6316182

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22977/87A IT1223419B (it) 1986-12-13 1987-12-11 Motore elettrico con un convertitore di frequenza per controllare i parametri operativi del motore

Country Status (6)

Country Link
US (1) US4963778A (it)
JP (1) JP2865290B2 (it)
DE (1) DE3642724A1 (it)
FR (1) FR2608332B1 (it)
GB (1) GB2201297B (it)
IT (1) IT1223419B (it)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838285C2 (de) * 1988-11-11 1996-09-12 Teves Gmbh Alfred Elektromotor, insbesondere elektrischer Kleinmotor zum Antrieb von Scheibenwischeranlagen in Kraftfahrzeugen
DE3939738A1 (de) * 1989-12-01 1991-06-06 Telefunken Electronic Gmbh Elektromotor mit einem luefterrad zum ansaugen von kuehlluft fuer kraftfahrzeuge
DE4014918A1 (de) * 1990-05-10 1991-11-14 Grundfos Int Elektromotor
DE4015080C2 (de) * 1990-05-11 1994-03-24 Grundfos International A S Bje Klemmenkasten für einen frequenzumrichtergespeisten Elektromotor
GB2251522A (en) * 1990-12-07 1992-07-08 Ist Lab Ltd An electric motor
IT1245557B (it) * 1991-03-20 1994-09-29 Gmv Martini Spa Dispositivo atto a ridurre i "picchi" di corrente nell'avviamento di un motore elettrico asincrono per il comando di ascensori di tipo oleodinamico
DE4121430C1 (it) * 1991-06-28 1992-11-05 Grundfos International A/S, Bjerringbro, Dk
US5331239A (en) * 1991-12-20 1994-07-19 Goldstar Co., Ltd. Inverter integral type motor
DE4212937C2 (de) * 1992-04-18 1994-04-14 Walter Stahl Mischer
CA2098151A1 (en) * 1992-06-11 1993-12-12 Russell S. Gurstein Air cooled floor polishing machine
DE4311518A1 (de) * 1993-04-07 1994-10-13 Siemens Ag Antriebseinrichtung für ein Fahrzeug
EP0619432B1 (de) * 1993-04-08 1996-10-09 Pumpenfabrik Ernst Vogel Gesellschaft m.b.H. Anlage mit mindestens einer Flüssigkeitspumpe
JP3077490B2 (ja) * 1993-12-28 2000-08-14 株式会社荏原製作所 ポンプ組立体
US5491370A (en) * 1994-01-28 1996-02-13 General Motors Corporation Integrated AC machine
GB2287363B (en) * 1994-03-08 1997-12-17 Control Tech Plc Suppression of radio frequency emissions
DE4435510C1 (de) * 1994-10-04 1996-03-07 Grundfos As Frequenzumrichtergespeistes Pumpenaggregat
DE19502600A1 (de) * 1995-01-28 1996-08-01 Wilo Gmbh Elektromotor mit Lüfter
FR2730204B1 (fr) * 1995-02-08 1997-04-04 Valeo Systemes Dessuyage Motoreducteur, notamment pour l'entrainement d'un dispositif d'essuie-glace de vehicule
SE515130C2 (sv) * 1995-02-24 2001-06-11 Abb Ab Robotutrustning
DE19511114C1 (de) * 1995-03-25 1996-08-29 Grundfos As Elektromotor
US6112535A (en) * 1995-04-25 2000-09-05 General Electric Company Compressor including a motor and motor control in the compressor housing and method of manufacture
DE19615706A1 (de) * 1996-04-22 1997-10-23 Teves Gmbh Alfred Aggregat
DE19618996A1 (de) * 1996-05-10 1997-11-13 Siemens Ag Elektrische Maschine
DE19622396A1 (de) * 1996-06-04 1997-12-18 Alexander Dr Stoev Frequenzumrichter für eine Antriebsvorrichtung
DE19726258C2 (de) * 1996-07-01 2001-10-04 Barmag Barmer Maschf Galetteneinheit zum Führen und Fördern eines Fadens
DE19725690B4 (de) * 1996-07-01 2007-09-06 Saurer Gmbh & Co. Kg Antriebseinheit für Kleinaggregate insbesondere in einer Spinnanlage
DE19652186C2 (de) * 1996-12-14 1999-04-15 Danfoss As Elektrischer Motor
DE19704226B4 (de) * 1997-02-05 2004-09-30 Sew-Eurodrive Gmbh & Co. Kg Klemmdeckelumrichter
DE19704408A1 (de) * 1997-02-06 1998-08-13 Baumueller Anlagen Systemtech Wärmerückgewinnungsverfahren sowie dessen Verwendung
DE19714784A1 (de) * 1997-04-10 1998-10-22 Danfoss As Kompaktantrieb
DE19723781A1 (de) * 1997-06-06 1998-12-10 Abb Daimler Benz Transp Stromrichtergespeistes Antriebssystem
DE19724332A1 (de) * 1997-06-10 1999-01-07 Kostal Leopold Gmbh & Co Kg Elektrische Einrichtung
DE19756186C1 (de) * 1997-12-17 1999-06-10 Trw Fahrzeugelektrik Elektromotorisch angetriebene Pumpe, insbesondere für die Servolenkung eines Kraftfahrzeuges
DE59811021D1 (de) 1997-12-23 2004-04-22 Bosch Rexroth Ag Antrieb für eine pumpe
ES2152852B1 (es) * 1998-10-06 2001-10-01 Tecnotrans Sabre S A Conjunto compacto de moto-variador-reductor para accionamiento de maquinas industriales.
EP1150883B1 (de) * 1999-02-12 2003-04-23 Siemens Aktiengesellschaft Elektrischer schiffsantrieb
US6448676B1 (en) 1999-05-18 2002-09-10 Siemens Automotive Inc. Pulse width modulated engine cooling fan motor with integrated MOSFET
DE29908962U1 (de) * 1999-05-21 1999-09-02 Neumag Gmbh Aufspulmaschine
AT6706U1 (de) * 1999-10-11 2004-02-25 Innova Patent Gmbh Elektromotor
JP2001113147A (ja) * 1999-10-20 2001-04-24 Dow Corning Toray Silicone Co Ltd 乳化機、およびシリコーンオイルエマルジョンもしくは架橋シリコーン粒子サスペンジョンの製造方法
GB2355860A (en) * 1999-10-28 2001-05-02 Delphi Tech Inc Heat shielding electric motor or generator electric components
DE19956429A1 (de) * 1999-11-24 2001-06-13 Grundfos As Elektromotor für insbesondere eine Kreiselpumpe
DE10034907A1 (de) 2000-07-18 2002-01-31 Khs Masch & Anlagenbau Ag Maschine zum Behandeln von Flaschen, Dosen o. dgl. Behälter
JP3976512B2 (ja) * 2000-09-29 2007-09-19 サンデン株式会社 冷媒圧縮用電動式圧縮機
JP4667651B2 (ja) * 2001-06-08 2011-04-13 パナソニック株式会社 電動機内蔵の圧縮機と、これを搭載した移動車
US6611071B2 (en) * 2001-08-17 2003-08-26 Siemens Automotive Inc. Embedded electronics for high convection cooling in an engine cooling motor application
JP2003164112A (ja) * 2001-11-20 2003-06-06 Mitsubishi Electric Corp インバータ付きモータ
US8337166B2 (en) * 2001-11-26 2012-12-25 Shurflo, Llc Pump and pump control circuit apparatus and method
US6570284B1 (en) 2001-12-11 2003-05-27 Black & Decker Inc. Brushless motor having double insulation
US6720689B2 (en) 2001-12-11 2004-04-13 Black & Decker Inc. Brushless motor having capacitors mounted on sidewall of motor housing
US6661140B2 (en) 2001-12-11 2003-12-09 Black & Decker Inc. Brushless motor having housing enabling alignment of stator and sensor
EP1349257A1 (en) * 2002-03-28 2003-10-01 Kitt S.r.l. Air-cooled electric motor with a cylindric chamber for electric components
ITFI20020071U1 (it) * 2002-07-01 2004-01-02 Imer Int Spa Motoriduttore, in particolare per betoniere,mescolatrici e similari macchine
US7101157B2 (en) * 2002-11-19 2006-09-05 Ebm-Papst Mulfingen Gmbh & Co. Kg Cooling arrangement for an electromotor
JP3743433B2 (ja) * 2003-03-25 2006-02-08 日産自動車株式会社 電力変換装置
DE10339585A1 (de) * 2003-08-26 2005-03-24 Wilo Ag Optimierte Kühlluftzuführung
WO2005048435A1 (de) 2003-11-13 2005-05-26 Sew-Eurodrive Gmbh & Co. Kg Kompaktantrieb
US8540493B2 (en) 2003-12-08 2013-09-24 Sta-Rite Industries, Llc Pump control system and method
US8469675B2 (en) 2004-08-26 2013-06-25 Pentair Water Pool And Spa, Inc. Priming protection
US8019479B2 (en) 2004-08-26 2011-09-13 Pentair Water Pool And Spa, Inc. Control algorithm of variable speed pumping system
US7845913B2 (en) 2004-08-26 2010-12-07 Pentair Water Pool And Spa, Inc. Flow control
US8480373B2 (en) 2004-08-26 2013-07-09 Pentair Water Pool And Spa, Inc. Filter loading
US8043070B2 (en) * 2004-08-26 2011-10-25 Pentair Water Pool And Spa, Inc. Speed control
US8602745B2 (en) 2004-08-26 2013-12-10 Pentair Water Pool And Spa, Inc. Anti-entrapment and anti-dead head function
US7874808B2 (en) * 2004-08-26 2011-01-25 Pentair Water Pool And Spa, Inc. Variable speed pumping system and method
US7686589B2 (en) 2004-08-26 2010-03-30 Pentair Water Pool And Spa, Inc. Pumping system with power optimization
DE202004015038U1 (de) * 2004-09-24 2005-11-10 Dbt Gmbh Antriebseinrichtung für Bergbaugewinnungsmaschinen
DE102004054473A1 (de) * 2004-11-11 2006-08-10 Ksb Aktiengesellschaft Standard-Frequenzumrichter für diskontinuierliche Energiezuführung
US7199496B2 (en) * 2005-01-18 2007-04-03 Oriental Motor Boston Technology Group Incorporated Integrated electric motor and drive, optimized for high-temperature operation
DE102005020830A1 (de) * 2005-05-04 2006-11-16 Robert Bosch Gmbh Verfahren zum Betreiben einer Elektrowerkzeugmaschine, Elektronikeinheit sowie Elektrowerkzeugmaschine
DE102005022378B4 (de) 2005-05-13 2007-04-05 F.B. Lehmann Maschinenfabrik Gmbh Walzenreibmaschine
DE102005032969B4 (de) * 2005-07-14 2010-05-12 Siemens Ag Umrichtermotor
WO2007086463A1 (ja) * 2006-01-25 2007-08-02 Kabushiki Kaisha Toyota Jidoshokki 電動コンプレッサ
JP2007306741A (ja) * 2006-05-12 2007-11-22 Toshiba Corp 制御装置一体型電動機
DE102006029640B4 (de) * 2006-06-28 2010-01-14 Nordex Energy Gmbh Windenergieanlage mit einem Maschinenhaus
DE102006045146A1 (de) * 2006-07-17 2008-01-31 Diehl Ako Stiftung & Co. Kg Antriebsvorrichtung für eine Waschmaschine
DE102006033792A1 (de) * 2006-07-19 2008-02-07 Rolf Meyer Frequenzumrichtergespeister Drehstrom-Asynchronmotor
JP4987495B2 (ja) * 2007-01-25 2012-07-25 株式会社東芝 鉄道車両駆動用モータドライブシステム
JP4899906B2 (ja) * 2007-02-07 2012-03-21 トヨタ自動車株式会社 モータユニット
DE102007034914A1 (de) * 2007-07-24 2009-02-05 Sew-Eurodrive Gmbh & Co. Kg Umrichtermotor und Verfahren zur Kühlung eines Umrichtermotors
DE102007034913B4 (de) * 2007-07-24 2014-08-28 Sew-Eurodrive Gmbh & Co Kg Lüfterhaube für einen Umrichtermotor, Umrichtermotor und Baureihe von Umrichtermotoren
DE102007040899A1 (de) * 2007-08-24 2009-10-01 Dürr Systems GmbH Verfahren zum Zuführen von Hilfsmaterial und Hilfsmaterialaufnahmebehälter
US8217616B2 (en) 2007-11-02 2012-07-10 HJamilton Sundstrand Corporation Electric motor control with buck boost converter
JP5107133B2 (ja) * 2008-05-14 2012-12-26 三菱重工業株式会社 インバータ一体型電動圧縮機
US7977832B2 (en) * 2008-05-21 2011-07-12 Nidec Motor Corporation Cooling system for a motor and associated electronics
DE102008046293A1 (de) * 2008-09-08 2010-03-11 Siemens Aktiengesellschaft Pumpe
MX2011003708A (es) 2008-10-06 2011-06-16 Pentair Water Pool & Spa Inc Metodo para operar un sistema de seguridad para alivio de vacio.
DE102008058511A1 (de) * 2008-11-21 2010-05-27 Kostal Industrie Elektrik Gmbh Frequenzumrichter zum Steuern eines Elektromotors
CN101826775A (zh) * 2009-03-05 2010-09-08 鸿富锦精密工业(深圳)有限公司 伺服马达
US8564233B2 (en) 2009-06-09 2013-10-22 Sta-Rite Industries, Llc Safety system and method for pump and motor
US8436559B2 (en) 2009-06-09 2013-05-07 Sta-Rite Industries, Llc System and method for motor drive control pad and drive terminals
US9556874B2 (en) 2009-06-09 2017-01-31 Pentair Flow Technologies, Llc Method of controlling a pump and motor
DE102010005767B4 (de) * 2010-01-25 2019-10-31 Sew-Eurodrive Gmbh & Co Kg Umrichtermotor
CN102971946B (zh) * 2010-07-06 2016-03-16 三菱电机株式会社 逆变器
DE102010036358A1 (de) * 2010-07-12 2012-01-12 Ssb Wind Systems Gmbh & Co. Kg Blattwinkelverstellantrieb für eine Windkraftanlage
DE102010040875A1 (de) * 2010-09-16 2012-03-22 Robert Bosch Gmbh Elektromotor mit einer Leistungsendstufe und mit effizientem Wärmetransport und Verfahren
JP5677010B2 (ja) 2010-10-07 2015-02-25 株式会社荏原製作所 モータ組立体およびポンプ装置
JP5638622B2 (ja) * 2010-11-12 2014-12-10 川崎重工業株式会社 電動二輪車、及び電動車両の冷却構造
DE102010051891A1 (de) 2010-11-22 2012-05-24 Kostal Industrie Elektrik Gmbh Frequenzumrichter zum Steuern eines Elektromotors
DE102011101932A1 (de) * 2010-11-25 2012-05-31 Baumüller Nürnberg GmbH Elektrische Maschine
CA2820887C (en) 2010-12-08 2019-10-22 Pentair Water Pool And Spa, Inc. Discharge vacuum relief valve for safety vacuum release system
EP2566015B1 (de) 2011-08-29 2019-11-27 Grundfos Management A/S Elektromotor
WO2013067206A1 (en) 2011-11-01 2013-05-10 Pentair Water Pool And Spa, Inc. Flow locking system and method
US9885360B2 (en) 2012-10-25 2018-02-06 Pentair Flow Technologies, Llc Battery backup sump pump systems and methods
AT513604B1 (de) * 2013-02-25 2014-06-15 Atb Motorenwerke Gmbh Elektrische Maschine, insbesondere Motor
ES2481215B1 (es) * 2014-01-08 2015-05-06 Smartlift, S.L. Dispositivo de accionamiento integral para ascensor
JP6249830B2 (ja) 2014-03-11 2017-12-20 住友重機械工業株式会社 装置のファンカバー
DE102014007632B4 (de) 2014-05-22 2016-03-24 Audi Ag Verfahren zum Regeln einer elektrischen Maschine
DE102015119002A1 (de) * 2015-11-05 2017-05-11 Ebm-Papst Mulfingen Gmbh & Co. Kg Elektronikeinheit
RU2656866C1 (ru) * 2017-08-21 2018-06-07 Общество с ограниченной ответственностью Научно-производственное предприятие "Резонанс" (ООО НПП "Резонанс") Электрическая машина со встроенным преобразователем
JP7135388B2 (ja) * 2018-03-30 2022-09-13 日本電産トーソク株式会社 電動オイルポンプ
DE102018115587A1 (de) 2018-06-28 2020-01-02 Beckhoff Automation Gmbh Windkraftanlagenblattverstellsystem
EP3929447A1 (en) * 2020-06-26 2021-12-29 Grundfos Holding A/S Electric motor with cooling of electronics arranged at a perimeter of the motor
EP3929446B1 (en) * 2020-06-26 2024-02-14 Grundfos Holding A/S Pump motor with cooled two-part electronic module
DE102020006366A1 (de) 2020-10-16 2022-04-21 KSB SE & Co. KGaA Kreiselpumpe mit einem Antrieb
DE102021000933A1 (de) * 2021-02-22 2022-08-25 KSB SE & Co. KGaA Pumpe mit Elektronikgehäuse und Kühlkörper
JP2022156063A (ja) * 2021-03-31 2022-10-14 日本電産トーソク株式会社 回転電機、およびポンプ
DE102021118378A1 (de) 2021-07-15 2023-01-19 KSB SE & Co. KGaA Geräuschoptimierte Kreiselpumpe
DE102022004368A1 (de) 2021-12-06 2023-06-07 Sew-Eurodrive Gmbh & Co Kg Antrieb, aufweisend einen Elektromotor mit einer Statorwicklung und einem Anschlusskasten

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1899741A (en) * 1929-05-24 1933-02-28 Westinghouse Electric & Mfg Co Dynamo-electric machine
DE853606C (de) * 1950-11-23 1952-10-27 Siemens Ag An eine elektrische Maschine oder Apparat angebauter Klemmenkasten
US3299303A (en) * 1963-01-07 1967-01-17 Gen Motors Corp Dynamoelectric machine with incorporated voltage regulator
DE1613450C3 (de) * 1966-04-22 1974-07-04 Ustav Pro Vyzkum Motorovych Vozidel, Prag Gleichrichteranordnung für Wechselstromgeneratoren
US3509438A (en) * 1967-08-10 1970-04-28 Tokheim Corp Motor and transistorized drive circuit therefor
FR2082048A5 (it) * 1970-03-02 1971-12-10 Hobson Ltd
ZA73311B (en) * 1972-01-21 1973-10-31 Cav Ltd Motor systems
US3903441A (en) * 1974-05-15 1975-09-02 Westinghouse Electric Corp Lead box for dynamoelectric machines
DE2715366B2 (de) * 1977-04-06 1979-11-22 Georg Dipl.-Ing. 8000 Muenchen Hienz Elektrische Maschine mit einem Läufer, einem mit einer Mehrphasenwicklung versehenen Ständer und einer mit der Maschine baulich vereinten Kommutierungseinrichtung
GB1603976A (en) * 1978-03-07 1981-12-02 Holdsworth J E Electric motors
US4314170A (en) * 1979-03-02 1982-02-02 Lucerne Products, Inc. Hand power tool control unit
DE3045610A1 (de) * 1980-04-04 1982-08-19 Milwaukee Electric Tool Corp., 53005 Brookfield, Wis. Elektrisches kraftwerkzeug
CH654455A5 (de) * 1980-05-10 1986-02-14 Papst Motoren Gmbh & Co Kg Buerstenlose gleichstrommotoranordnung, insbesondere fuer magnetplattenantriebe.
JPS5875439A (ja) * 1981-10-28 1983-05-07 Mitsubishi Electric Corp 車両用発電機
JPS59165941A (ja) * 1983-03-11 1984-09-19 Hitachi Ltd インバ−タ駆動回転電機
US4510404A (en) * 1983-03-31 1985-04-09 The Singer Company Mounting for electronic circuit board in power hand tool
DE3332515A1 (de) * 1983-09-09 1985-03-28 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrische maschine
JPS60152247A (ja) * 1984-01-20 1985-08-10 Toshiba Corp インバ−タ付可変速モ−タ
DE3442791A1 (de) * 1984-11-23 1986-06-12 Wolfgang Dipl.-Ing. 8399 Ruhstorf Rösch Elektronischer aufzugantrieb
DE3443024A1 (de) * 1984-11-26 1986-06-19 Hans Dipl.-Ing. 8263 Burghausen Kallas Elektromotor
JPH0526936Y2 (it) * 1985-04-03 1993-07-08
JPH0212891Y2 (it) * 1985-04-05 1990-04-11
DE3602606A1 (de) * 1986-01-17 1987-07-23 Hanning Elektro Werke Waschautomatenantrieb mit einem ueber einen umrichter gespeisten drehstrommotor
US4659951A (en) * 1986-02-14 1987-04-21 General Motors Corporation Brushless blower motor with load proportional cooling for control circuitry
US4668898A (en) * 1986-04-21 1987-05-26 General Electric Company Electronically commutated motor

Also Published As

Publication number Publication date
FR2608332B1 (fr) 1995-06-09
US4963778A (en) 1990-10-16
DE3642724C2 (it) 1989-12-14
JPS63161843A (ja) 1988-07-05
GB8727986D0 (en) 1988-01-06
GB2201297A (en) 1988-08-24
FR2608332A1 (fr) 1988-06-17
DE3642724A1 (de) 1988-06-23
JP2865290B2 (ja) 1999-03-08
GB2201297B (en) 1991-01-02
IT8722977A0 (it) 1987-12-11

Similar Documents

Publication Publication Date Title
IT1223419B (it) Motore elettrico con un convertitore di frequenza per controllare i parametri operativi del motore
KR880008572U (ko) 편평형 모터의 로터구조
IT209469Z2 (it) Motore elettrico a raffreddamento forzato con liquido.
IT1196885B (it) Pompa elettrica per il carburante
IL87988A0 (en) Dc to dc power converter
DK266887D0 (da) Forsyningskredsloeb med frekvensstyret veekselretter for drejestroemsmotor
IT1161474B (it) Procedimento per sopportare il rotore di un motore graduale e motore graduale comprendente tale supporto
IT1208353B (it) Convertitore di frequenza
NO169145C (no) Elektrisk likestroemskabel
IT1203389B (it) Motore monofase
IT1210469B (it) Motore elettrico
DE3783893T2 (de) Frequenz-spannungswandler.
IT1214757B (it) Motore elettrico per impartire vibrazioni
IT8503427A0 (it) Modificazioni del motore autosincro no per azionarlo passo-passo
BR8701953A (pt) Motor eletrico de corrente alternada
IT1210468B (it) Motore elettrico
DK522686D0 (da) Straemningspumpe
IT1198086B (it) Motore elettrico per elettropompa sommersa
KR880005307U (ko) 전원코드
CS179886A1 (en) Exact voltage to frequency converter
KR880007081U (ko) 무정류자모우터의구조
KR880005308U (ko) 전원코드
AT387113B (de) Frequenzumrichter
BR6601787U (pt) Gerador eletrico
IT1204311B (it) Motore elettrico

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971219