ITMI962484A0 - Motore a magneti permanenti con avviamento da linea - Google Patents

Motore a magneti permanenti con avviamento da linea

Info

Publication number
ITMI962484A0
ITMI962484A0 IT96MI002484A ITMI962484A ITMI962484A0 IT MI962484 A0 ITMI962484 A0 IT MI962484A0 IT 96MI002484 A IT96MI002484 A IT 96MI002484A IT MI962484 A ITMI962484 A IT MI962484A IT MI962484 A0 ITMI962484 A0 IT MI962484A0
Authority
IT
Italy
Prior art keywords
permanent magnet
magnet motor
line starting
starting
line
Prior art date
Application number
IT96MI002484A
Other languages
English (en)
Inventor
John Henry Boyd
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 ITMI962484A0 publication Critical patent/ITMI962484A0/it
Publication of ITMI962484A1 publication Critical patent/ITMI962484A1/it
Application granted granted Critical
Publication of IT1286416B1 publication Critical patent/IT1286416B1/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/18—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having double-cage or multiple-cage rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0054—Casting in, on, or around objects which form part of the product rotors, stators for electrical motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Dc Machiner (AREA)
IT96MI002484A 1995-12-04 1996-11-28 Motore a magneti permanenti con avviamento da linea IT1286416B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/567,094 US5758709A (en) 1995-12-04 1995-12-04 Method of fabricating a rotor for an electric motor

Publications (3)

Publication Number Publication Date
ITMI962484A0 true ITMI962484A0 (it) 1996-11-28
ITMI962484A1 ITMI962484A1 (it) 1998-05-28
IT1286416B1 IT1286416B1 (it) 1998-07-08

Family

ID=24265689

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI002484A IT1286416B1 (it) 1995-12-04 1996-11-28 Motore a magneti permanenti con avviamento da linea

Country Status (4)

Country Link
US (2) US5758709A (it)
ES (1) ES2125177B1 (it)
IT (1) IT1286416B1 (it)
MX (1) MX9606097A (it)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078121A (en) * 1997-02-21 2000-06-20 Emerson Electric Co. Rotor assembly for a rotating machine
PL338792A1 (en) * 1998-06-26 2000-11-20 Gen Electric Impeller with a stepped chamfer
DE19829053A1 (de) * 1998-06-29 1999-12-30 Siemens Ag Elektromtor
US6058596A (en) * 1998-08-03 2000-05-09 General Electric Company Method of making an induction motor rotor
US6552464B1 (en) * 1999-11-09 2003-04-22 Siemens Canada Limited Totally integrated engine cooling module for DC motors
JP2001211614A (ja) * 2000-01-24 2001-08-03 Ishikawajima Harima Heavy Ind Co Ltd 高速回転用かご形誘導電動機
JP3629587B2 (ja) * 2000-02-14 2005-03-16 株式会社日立製作所 空気調和機及び室外機並びに冷凍装置
JP2004104895A (ja) * 2002-09-09 2004-04-02 Hitachi Ltd 圧縮機駆動装置及び冷凍空調装置
DE10029549B4 (de) * 2000-06-15 2004-03-18 Danfoss Compressors Gmbh Verfahren zum Anlassen eines elektrischen Motors und elektrischer Motor mit einer Vorrichtung zum Anlassen des Motors
US6408502B1 (en) 2001-05-18 2002-06-25 General Electric Company Method for a resilient rotor core assembly
GB2376573A (en) * 2001-06-15 2002-12-18 Aeroquip Vickers Ltd AC Induction motor and method of starting same
JP3801477B2 (ja) * 2001-10-11 2006-07-26 三菱電機株式会社 同期誘導電動機のロータ及び同期誘導電動機及びファンモータ及び圧縮機及び空気調和機及び冷蔵庫
ES2207370B1 (es) * 2001-10-30 2005-02-16 Gregorio Arias Juberias Motor de induccion electromagnetica radial y variable sobre inducido de cobre solido con ranuras.
JP3764375B2 (ja) * 2001-11-15 2006-04-05 三菱電機株式会社 同期誘導電動機の回転子及び電動機の回転子及び同期誘導電動機及び誘導電動機及び直流ブラシレスモータ及び密閉型圧縮機及び冷蔵庫及び空気調和機和機及び同期誘導電動機の回転子の製造方法
DE10163544A1 (de) * 2001-12-21 2003-07-17 Bsh Bosch Siemens Hausgeraete Elektromotor und Verfahren zu dessen Herstellung
US20030218400A1 (en) * 2002-05-24 2003-11-27 Rimmel Dennis L. Induction motor and method of providing axial flow in a submerged induction motor
US6920023B2 (en) * 2003-03-21 2005-07-19 Pratt & Whitney Canada Corp. Current limiting means for a generator
US7119467B2 (en) 2003-03-21 2006-10-10 Pratt & Whitney Canada Corp. Current limiting means for a generator
US6906443B2 (en) * 2003-04-21 2005-06-14 Eaton Corporation Brushless DC motor with stepped skewed rotor
CN1784820A (zh) * 2003-05-06 2006-06-07 丹佛斯压缩机有限责任公司 电机转子
US7262539B2 (en) * 2004-11-26 2007-08-28 Pratt & Whitney Canada Corp. Saturation control of electric machine
US7545056B2 (en) * 2003-05-27 2009-06-09 Pratt & Whitney Canada Corp. Saturation control of electric machine
US7583063B2 (en) 2003-05-27 2009-09-01 Pratt & Whitney Canada Corp. Architecture for electric machine
US6965183B2 (en) * 2003-05-27 2005-11-15 Pratt & Whitney Canada Corp. Architecture for electric machine
US7253548B2 (en) 2003-06-16 2007-08-07 Pratt & Whitney Canada Corp. Method and apparatus for controlling an electric machine
US6956308B2 (en) * 2003-07-15 2005-10-18 Nikon Corporation Dual flow circulation system for a mover
US6984908B2 (en) * 2003-08-26 2006-01-10 Deere & Company Permanent magnet motor
US6946762B2 (en) 2003-08-26 2005-09-20 Deere & Co. Electric motor drive for a reel mower
US20070170299A1 (en) * 2004-01-30 2007-07-26 Walter Ritter Drives pertaining to a reel changer
WO2005076435A1 (es) * 2004-02-06 2005-08-18 Gregorio Arias Juberias Motor de inducción electromagnética
US7352092B2 (en) * 2005-08-22 2008-04-01 Emerson Electric Co. Integrated motor and controller assemblies for horizontal axis washing machines
US20070063603A1 (en) * 2005-08-22 2007-03-22 Levine Gregory M Integrated motor and controller assemblies for horizontal axis washing machines
US7288923B1 (en) 2006-04-21 2007-10-30 Pratt & Whitney Canada Corp. Voltage-limited electric machine
US7710081B2 (en) 2006-10-27 2010-05-04 Direct Drive Systems, Inc. Electromechanical energy conversion systems
KR101228454B1 (ko) * 2007-03-05 2013-02-01 엘지전자 주식회사 자기 착자 모터
US8253298B2 (en) 2008-07-28 2012-08-28 Direct Drive Systems, Inc. Slot configuration of an electric machine
CN201219227Y (zh) * 2008-07-30 2009-04-08 无锡东元电机有限公司 一种永磁同步电机转子
US7969055B2 (en) 2008-08-06 2011-06-28 Larry Titus Clean Energy Technologies, Llc Rotary motor
CN201204529Y (zh) * 2008-08-28 2009-03-04 无锡东元电机有限公司 永磁同步电机
WO2010056385A1 (en) 2008-11-14 2010-05-20 Williams Kevin R Permanent magnet direct drive top drive
CN201294443Y (zh) * 2008-12-01 2009-08-19 东元总合科技（杭州）有限公司 永磁自启动同步电机转子
US8672059B2 (en) * 2008-12-22 2014-03-18 Canrig Drilling Technology Ltd. Permanent magnet direct drive drawworks
US20100171387A1 (en) * 2009-01-07 2010-07-08 Bae Systems Controls Inc. Die Cast Rotor With Steel End Rings to Contain Aluminum
DE102009042452A1 (de) * 2009-09-23 2011-03-31 Elektromotorenwerk Grünhain GmbH & Co. KG Käfigläufer für elektrische Maschinen und Herstellungsverfahren
DE102009060438A1 (de) 2009-12-22 2011-06-30 KSB Aktiengesellschaft, 67227 Rotor mit kurzschlusskäfig
DE102010021470A1 (de) * 2010-05-25 2011-12-01 Siemens Aktiengesellschaft Käfigläufer für eine Asynchronmaschine und Verfahren zur Herstellung des Käfigläufers
US20130033144A1 (en) * 2011-08-04 2013-02-07 GM Global Technology Operations LLC Stir-welded induction rotor
US9130434B2 (en) 2012-02-01 2015-09-08 Remy Technologies, Llc Induction rotor end ring support device
US9088189B2 (en) 2012-03-13 2015-07-21 General Electric Company Lamination stack for an electrical machine rotor and associated method of making
US9166456B2 (en) * 2012-03-22 2015-10-20 Baldor Electric Company System and method to allow a synchronous motor to successfully synchronize with loads that have high inertia and/or high torque
US9780620B2 (en) * 2012-03-22 2017-10-03 Baldor Electric Company Coupling with concentric contact around motor shaft for line start synchronous motor
US8872465B2 (en) * 2012-03-22 2014-10-28 Baldor Electric Company Synchronous motor with soft start element formed between the motor rotor and motor output shaft to successfully synchronize loads that have high inertia and/or high torque
GB201320247D0 (en) * 2013-11-15 2014-01-01 Coreteq Ltd Line start permanent magnet motor using a hybrid rotor
WO2015117075A1 (en) 2014-02-03 2015-08-06 Canrig Drilling Technology Ltd. Coupling of permanent magnets in electric motors
JP5969525B2 (ja) * 2014-02-25 2016-08-17 ファナック株式会社 端絡環を備える回転子、および電動機
WO2015138833A1 (en) 2014-03-13 2015-09-17 Canrig Drilling Technology Ltd. Low inertia direct drive drawworks
US9919903B2 (en) 2014-03-13 2018-03-20 Nabors Drilling Technologies Usa, Inc. Multi-speed electric motor
US9973067B2 (en) * 2014-04-04 2018-05-15 GM Global Technology Operations LLC Rotor casting
US10075105B2 (en) * 2014-04-22 2018-09-11 Baldor Electric Company End ring and rotor bar for line start permanent magnet motor
US10150659B2 (en) * 2014-08-04 2018-12-11 Nabors Drilling Technologies Usa, Inc. Direct drive drawworks with bearingless motor
US9634599B2 (en) 2015-01-05 2017-04-25 Canrig Drilling Technology Ltd. High speed ratio permanent magnet motor
US10177627B2 (en) 2015-08-06 2019-01-08 Massachusetts Institute Of Technology Homopolar, flux-biased hysteresis bearingless motor
JP6665770B2 (ja) * 2016-12-20 2020-03-13 株式会社デンソー 回転電機の回転子、及び回転電機
US10461594B2 (en) 2016-12-21 2019-10-29 Hamilton Sundstrand Corporation Reduction of starting current in line start permanent magnet brushless motors
US10833570B2 (en) 2017-12-22 2020-11-10 Massachusetts Institute Of Technology Homopolar bearingless slice motors
US11962193B2 (en) * 2019-09-17 2024-04-16 Rlt Holdings, Llc Rotor system for permanent magnet motors powering electric submersible pumps
US12451781B2 (en) * 2023-06-16 2025-10-21 GM Global Technology Operations LLC Hybrid excited rotary machine

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126493A (en) * 1964-03-24 Permanent magnet motor
US917138A (en) * 1907-01-08 1909-04-06 Gen Electric Magnetic wedge.
US1042408A (en) * 1908-10-07 1912-10-29 Westinghouse Electric & Mfg Co Dynamo-electric machine.
US1650795A (en) * 1924-12-16 1927-11-29 Us Electrical Mfg Company Bimetallic rotor for induction motors
US2015554A (en) * 1933-12-08 1935-09-24 Gen Electric Magnetic wedge
US2201699A (en) * 1936-12-21 1940-05-21 Us Electrical Motors Inc Magnetic structure for dynamoelectric machines
US2265333A (en) * 1939-05-31 1941-12-09 Thomas A Wry Method and apparatus for pressure die casting
US2386673A (en) * 1944-06-10 1945-10-09 Gen Electric Winding slot wedge
US2519895A (en) * 1949-06-01 1950-08-22 Gen Electric Rotor for dynamoelectric machines
US2525455A (en) * 1949-06-01 1950-10-10 Gen Electric Rotor for synchronous induction motors
US2525456A (en) * 1949-06-01 1950-10-10 Gen Electric Rotor for dynamoelectric machines
US2543639A (en) * 1949-10-29 1951-02-27 Gen Electric Rotor for synchronous induction motors
NL81235C (it) * 1951-08-09
US2643350A (en) * 1952-06-28 1953-06-23 Gen Electric Dynamoelectric machine magnetic core member
US2927229A (en) * 1956-07-25 1960-03-01 Frank W Merrill Rotors for permanent magnet type synchronous motors
BE694098A (it) * 1966-03-03 1967-07-17
US3457445A (en) * 1967-12-19 1969-07-22 Gen Electric Laminated rotors and stators with flux barriers for synchronous induction motors and method of making the same
US3818294A (en) * 1973-02-13 1974-06-18 V Glukhov Device for induction starting a synchronous motor and pulling it into synchronism
JPS49117918A (it) * 1973-03-19 1974-11-11
JPS502107A (it) * 1973-04-13 1975-01-10
US3909647A (en) * 1973-06-22 1975-09-30 Bendix Corp Rotor assembly for permanent magnet generator
US3891879A (en) * 1974-06-25 1975-06-24 Mitsubishi Steel Mfg Rotor for a hysteresis motor
US4103213A (en) * 1976-09-16 1978-07-25 Emerson Electric Co. Two speed single phase induction motor
US4139790A (en) * 1977-08-31 1979-02-13 Reliance Electric Company Direct axis aiding permanent magnets for a laminated synchronous motor rotor
JPS6023584B2 (ja) * 1977-12-14 1985-06-08 株式会社日立製作所 永久磁石式同期電動機
US4476408A (en) * 1979-05-23 1984-10-09 General Electric Company High efficiency, low cost permanent magnet AC machine
US4806717A (en) * 1979-09-21 1989-02-21 General Electric Company Drive for a laundry machine
US4339679A (en) * 1981-01-16 1982-07-13 Litton Systems, Inc. Low-inertia high-torque synchronous induction motor
US4473752A (en) * 1982-05-27 1984-09-25 Lockheed Corporation Aircraft engine starting with synchronous ac generator
JPS59153562A (ja) * 1983-02-22 1984-09-01 Toshiba Heating Appliances Co ダイカストロ−タ製造方法
US4476422A (en) * 1983-04-11 1984-10-09 Westinghouse Electric Corp. Single phase four pole/six pole motor
US4549341A (en) * 1983-07-19 1985-10-29 The Garrett Corporation Method for producing a permanent magnet rotor
US4726112A (en) * 1984-12-14 1988-02-23 General Electric Company Method of assembling a dynamoelectric machine
US4845837A (en) * 1986-10-06 1989-07-11 Emerson Electric Co. Method of making permanent magnet assembly
US4856182A (en) * 1987-04-03 1989-08-15 General Electric Company Method of assembling a switch device with a supporting means thereof
US4843271A (en) * 1987-12-10 1989-06-27 General Electric Company Conductive metal inserts in rotor dynamoelectric machine
GB2217924B (en) * 1988-04-25 1992-10-07 Matsushita Electric Works Ltd Permanent magnet rotor
US4922152A (en) * 1988-07-27 1990-05-01 Siemens Energy & Automation, Inc. Synchronous machine rotor lamination
US5159220A (en) * 1990-06-25 1992-10-27 General Electric Company Realizations of folded magnet AC motors
US5117553A (en) * 1990-06-25 1992-06-02 General Electric Company Method of assembling rotor magnets
US5097166A (en) * 1990-09-24 1992-03-17 Reuland Electric Rotor lamination for an AC permanent magnet synchronous motor
DE69123056T2 (de) * 1990-10-12 1997-04-03 Seiko Epson Corp Verfahren zum schutz der magnete eines permanentmagnetischen rotors gegen korrosive stoffe
US5161597A (en) * 1991-08-14 1992-11-10 Emerson Electric Co. Method for the mass production of rotors for electric motors
JP2945228B2 (ja) * 1993-02-18 1999-09-06 ファナック株式会社 高速誘導電動機の籠形回転子の製造方法
EP0678967A1 (en) * 1994-04-18 1995-10-25 General Electric Company Rotor for permanent magnet motor

Also Published As

Publication number Publication date
IT1286416B1 (it) 1998-07-08
ITMI962484A1 (it) 1998-05-28
ES2125177A1 (es) 1999-02-16
US5952757A (en) 1999-09-14
ES2125177B1 (es) 1999-09-16
US5758709A (en) 1998-06-02
MX9606097A (es) 1997-08-30

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