ITTO930716A0 - Motore elettrico a magneti permanenti con coppia di riluttanza ridotta - Google Patents

Motore elettrico a magneti permanenti con coppia di riluttanza ridotta

Info

Publication number
ITTO930716A0
ITTO930716A0 ITTO930716A ITTO930716A ITTO930716A0 IT TO930716 A0 ITTO930716 A0 IT TO930716A0 IT TO930716 A ITTO930716 A IT TO930716A IT TO930716 A ITTO930716 A IT TO930716A IT TO930716 A0 ITTO930716 A0 IT TO930716A0
Authority
IT
Italy
Prior art keywords
reduced
electric motor
permanent magnet
magnet electric
reluctant torque
Prior art date
Application number
ITTO930716A
Other languages
English (en)
Inventor
Sebastiano Acquaviva
Original Assignee
Gate Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11411767&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ITTO930716(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gate Spa filed Critical Gate Spa
Priority to ITTO930716A priority Critical patent/IT1261598B/it
Publication of ITTO930716A0 publication Critical patent/ITTO930716A0/it
Priority to EP94115158A priority patent/EP0647010B1/en
Priority to DE69405182T priority patent/DE69405182T2/de
Priority to US08/314,994 priority patent/US6181035B1/en
Publication of ITTO930716A1 publication Critical patent/ITTO930716A1/it
Application granted granted Critical
Publication of IT1261598B publication Critical patent/IT1261598B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
ITTO930716A 1993-09-30 1993-09-30 Motore elettrico a magneti permanenti con coppia di riluttanza ridotta IT1261598B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO930716A IT1261598B (it) 1993-09-30 1993-09-30 Motore elettrico a magneti permanenti con coppia di riluttanza ridotta
EP94115158A EP0647010B1 (en) 1993-09-30 1994-09-27 Electric motor with permanent magnets and reduced cogging torque
DE69405182T DE69405182T2 (de) 1993-09-30 1994-09-27 Dauermagneten-Elektromotor mit niedrigem pulsierenden Drehmoment
US08/314,994 US6181035B1 (en) 1993-09-30 1994-09-29 Permanent magnet electric motor having reduced cogging torque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930716A IT1261598B (it) 1993-09-30 1993-09-30 Motore elettrico a magneti permanenti con coppia di riluttanza ridotta

Publications (3)

Publication Number Publication Date
ITTO930716A0 true ITTO930716A0 (it) 1993-09-30
ITTO930716A1 ITTO930716A1 (it) 1995-03-30
IT1261598B IT1261598B (it) 1996-05-23

Family

ID=11411767

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930716A IT1261598B (it) 1993-09-30 1993-09-30 Motore elettrico a magneti permanenti con coppia di riluttanza ridotta

Country Status (4)

Country Link
US (1) US6181035B1 (it)
EP (1) EP0647010B1 (it)
DE (1) DE69405182T2 (it)
IT (1) IT1261598B (it)

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US6949864B2 (en) * 2000-04-05 2005-09-27 Wavecrest Laboratories, Llc Rotary electric motor having concentric annular members
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EP1246349A3 (en) * 2001-03-30 2005-09-07 Japan Servo Co. Ltd. Permanent magnet motor
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
US6717323B1 (en) 2002-06-04 2004-04-06 Wavecrest Laboratories, Llc Rotary electric motor having a plurality of skewed stator poles and/or rotor poles
US6822368B2 (en) * 2002-06-04 2004-11-23 Wavecrest Laboratories, Llc Rotary permanent magnet electric motor having stator pole shoes of varying dimensions
US6727630B1 (en) 2002-07-31 2004-04-27 Wavecrest Laboratories, Llc. Rotary permanent magnet electric motor with varying air gap between interfacing stator and rotor elements
US6727629B1 (en) 2002-06-04 2004-04-27 Wavecrest Laboratories, Llc Rotary electric motor having a plurality of shifted stator poles and/or rotor poles
US20040021437A1 (en) * 2002-07-31 2004-02-05 Maslov Boris A. Adaptive electric motors and generators providing improved performance and efficiency
US20050045392A1 (en) * 2002-07-31 2005-03-03 Maslov Boris A. In-wheel electric motors
US20040263099A1 (en) * 2002-07-31 2004-12-30 Maslov Boris A Electric propulsion system
US20050127856A1 (en) * 2002-07-31 2005-06-16 Wavecrest Laboratories Low-voltage electric motors
US20050046375A1 (en) * 2002-07-31 2005-03-03 Maslov Boris A. Software-based adaptive control system for electric motors and generators
EP1553678A4 (en) * 2002-08-16 2007-05-02 Yamaha Motor Co Ltd MAGNET OF AN ELECTRIC DYNAMOMA MACHINE
JP4408674B2 (ja) * 2003-09-29 2010-02-03 愛三工業株式会社 燃料ポンプ
JP2005223977A (ja) * 2004-02-04 2005-08-18 Matsushita Electric Ind Co Ltd 電動ファン
US7635932B2 (en) * 2004-08-18 2009-12-22 Bluwav Systems, Llc Dynamoelectric machine having heat pipes embedded in stator core
US7687945B2 (en) * 2004-09-25 2010-03-30 Bluwav Systems LLC. Method and system for cooling a motor or motor enclosure
US7385328B2 (en) * 2006-05-23 2008-06-10 Reliance Electric Technologies, Llc Cogging reduction in permanent magnet machines
JP2008043031A (ja) * 2006-08-04 2008-02-21 Mabuchi Motor Co Ltd リング形状界磁マグネットに薄肉部を形成した小型モータ
TWI337439B (en) * 2006-12-21 2011-02-11 Delta Electronics Inc Permanent magnet rotary structure of electrical machinery and method for determining the structure thereof
TWI343689B (en) * 2006-12-28 2011-06-11 Delta Electronics Inc Permanent magnet rotary structure of electric machinery
WO2008141198A1 (en) 2007-05-09 2008-11-20 Motor Excellence, Llc Electrical output generating and driven devices using disk and non-disk shaped rotors, and methods of making and using the same
US7868511B2 (en) * 2007-05-09 2011-01-11 Motor Excellence, Llc Electrical devices using disk and non-disk shaped rotors
US7868508B2 (en) * 2008-11-03 2011-01-11 Motor Excellence, Llc Polyphase transverse and/or commutated flux systems
DE102009028036A1 (de) * 2009-07-27 2011-02-03 Robert Bosch Gmbh Elektromotor mit Permanentmagnet-Erregung
NZ582764A (en) * 2010-01-20 2012-04-27 Wellington Drive Technologies Ltd Rotor or stator with magnets contacting flux returns
US8222786B2 (en) 2010-03-15 2012-07-17 Motor Excellence Llc Transverse and/or commutated flux systems having phase offset
WO2011115633A1 (en) 2010-03-15 2011-09-22 Motor Excellence Llc Transverse and/or commutated flux system for electric bicycles
EP2548288A1 (en) 2010-03-15 2013-01-23 Motor Excellence, LLC Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching
CN103477538A (zh) 2010-11-17 2013-12-25 电动转矩机器公司 具有分段定子层压件的横向和/或换向磁通系统
WO2012067896A2 (en) 2010-11-17 2012-05-24 Motor Excellence, Llc Transverse and/or commutated flux systems having laminated and powdered metal portions
US8854171B2 (en) 2010-11-17 2014-10-07 Electric Torque Machines Inc. Transverse and/or commutated flux system coil concepts
JP2012222909A (ja) * 2011-04-06 2012-11-12 Asmo Co Ltd モータ
US10374471B2 (en) 2012-07-27 2019-08-06 Regal Beloit America, Inc. Methods, systems, and apparatus for reducing cogging torque in an electric machine
US20160149467A1 (en) 2014-11-25 2016-05-26 Black & Decker Inc. Brushless Motor for a Power Tool
CN105005692B (zh) * 2015-07-08 2018-09-28 三峡大学 一种基于解析法的永磁电机磁场分析与转矩计算方法
US10500708B2 (en) 2015-10-14 2019-12-10 Black & Decker Inc. Power tool
FR3067880B1 (fr) * 2017-06-15 2020-07-17 Moteurs Leroy-Somer Machine electrique tournante
US10965176B2 (en) 2019-01-15 2021-03-30 Mcmillan Electric Company Electric motors with pole biasing

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US4504755A (en) 1983-11-03 1985-03-12 Kollmorgen Technologies Corporation Rotor reluctance notch for cogging control
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JPS62114454A (ja) * 1985-11-11 1987-05-26 Matsushita Electric Ind Co Ltd ブラシレス電動機
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Also Published As

Publication number Publication date
DE69405182D1 (de) 1997-10-02
ITTO930716A1 (it) 1995-03-30
EP0647010B1 (en) 1997-08-27
EP0647010A1 (en) 1995-04-05
DE69405182T2 (de) 1998-03-12
US6181035B1 (en) 2001-01-30
IT1261598B (it) 1996-05-23

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990331