| Patent |
Priority |
Assignee |
Title |
| 4327302, |
Sep 21 1979 |
General Electric Company |
Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination |
| 4434546, |
Sep 21 1979 |
General Electric Company |
Method of making a core |
| 4437325, |
Sep 21 1979 |
General Electric Company |
Laundry machine |
| 4476736, |
Sep 21 1979 |
General Electric Company |
Transmission for a laundry machine |
| 4689973, |
Sep 21 1979 |
ITT AUTOMOTIVE ELECTRICAL SYSTEMS, INC |
Laundry machine drive |
| 4806717, |
Sep 21 1979 |
General Electric Company |
Drive for a laundry machine |
| 4905423, |
Sep 28 1982 |
|
Electric rotary power tool apparatus holdable by hand during operation, kit comprising the same, and novel switch means therefor |
| 5510725, |
|
|
|
| 5672926, |
Feb 21 1995 |
Siemens Aktiengesellschaft |
Hybrid-energized electric machine |
| 5742513, |
May 15 1996 |
HANGER SOLUTIONS, LLC |
Methods and systems for automatic testing of a relay |
| 5945760, |
May 31 1995 |
Matsushita Electric Industrial Co., Ltd. |
Motor with built-in permanent magnets |
| 5962944, |
Oct 24 1997 |
Fujitsu General Limited |
Permanent magnet rotor type electric motor |
| 6008559, |
Jul 22 1997 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Motor using a rotor including an interior permanent magnet |
| 6025667, |
Sep 29 1997 |
Fujitsu General Limited |
Permanent magnet rotor type electric motor with different permanent magnet materials |
| 6031311, |
Nov 13 1997 |
SAMSUNG ELECTRONICS CO , LTD |
Brushless DC motor capable of preventing leakage of magnetic flux |
| 6049153, |
Feb 23 1996 |
Matsushita Electric Industrial Co., Ltd. |
Motor |
| 6087751, |
Jul 01 1997 |
Kabushiki Kaisha Toshiba |
Reluctance type rotating machine with permanent magnets |
| 6147428, |
Apr 14 1997 |
Sanyo Electric Co., Ltd. |
Rotor of electric motor |
| 6177745, |
Sep 26 1997 |
Fujitsu General Limited |
Permanent magnet rotor type electric motor |
| 6274960, |
Sep 29 1998 |
Kabushiki Kaisha Toshiba |
Reluctance type rotating machine with permanent magnets |
| 6300700, |
Feb 23 1996 |
Matsushita Electric Industrial Co., Ltd. |
Motor |
| 6329734, |
Feb 22 1999 |
Kabushiki Kaisha Toshiba |
Permanent magnet and reluctance type rotating machine |
| 6340857, |
Dec 25 1998 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Motor having a rotor with interior split-permanent-magnet |
| 6342745, |
Sep 29 1998 |
Kabushiki Kaisha Toshiba |
Reluctance type rotating machine with permanent magnets |
| 6356001, |
Feb 23 1996 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Electric vehicle using a motor |
| 6369480, |
Feb 23 1996 |
MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD |
Compressor using a motor |
| 6437473, |
Sep 26 1997 |
Empresa Brasileira de Compressores S.A. - Embraco |
Electric motor rotor and a method for producing an electric motor rotor |
| 6441524, |
Feb 25 2000 |
Nissan Motor Co., Ltd. |
Rotor for synchronous motor |
| 6525442, |
Aug 29 2000 |
Hitachi, LTD |
Permanent magnet rotating electric machine |
| 6552462, |
Sep 29 1998 |
Kabushiki Kaisha Toshiba |
Reluctance type rotating machine with permanent magnets |
| 6555940, |
Aug 31 2000 |
Yamaha Hatsudoki Kabushiki Kaisha |
Permanent magnet rotor |
| 6630762, |
Jun 16 2000 |
Yamaha Hatsudoki Kabushiki Kaisha |
Permanent magnet rotor and method of making the same |
| 6664688, |
Aug 10 2001 |
Yamaha Hatsudoki Kabushiki Kaisha |
Rotor for a motor |
| 6717315, |
Dec 13 1999 |
Mitsubishi Denki Kabushiki Kaisha |
Permanent magnet type motor and method of producing permanent magnet type motor |
| 6741002, |
Dec 25 1998 |
Matsushita Electric Industrial Co., Ltd. |
Motor having a rotor with interior split-permanent-magnet |
| 6741003, |
Aug 31 2000 |
Yamaha Hatsudoki Kabushiki Kaisa |
Permanent magnet rotor |
| 6759778, |
Feb 23 1996 |
Matsushita Electric Industrial Co., Ltd. |
Electric vehicle using a motor |
| 6774523, |
Oct 26 2002 |
LG Electronics Inc. |
Electric motor |
| 6826824, |
Jul 27 2000 |
Yamaha Hatsudoki Kabushiki Kaisha |
Embedded magnet type rotor and filling of the same |
| 6867526, |
Sep 05 2001 |
Koyo Seiko Co., Ltd. |
Brushless DC motor |
| 6885125, |
Feb 14 2001 |
Koyo Seiko Co., Ltd. |
Brushless DC motor and method of manufacturing brushless DC motor |
| 6906444, |
Jul 10 2001 |
Teijin Seiki Co., Ltd. |
Permanent magnet motor |
| 6917133, |
Aug 29 2000 |
Hitachi, LTD |
Air conditioner having permanent magnet rotating electric machine |
| 6927519, |
Nov 15 2002 |
MINEBEA MITSUMI INC |
Rotor assembly for an electrical machine and permanent magnet motor comprising such a rotor assembly |
| 6943474, |
Feb 14 2001 |
Koyo Seiko Co., Ltd. |
Brushless DC motor and method of manufacturing brushless DC motor |
| 6956312, |
Feb 14 2001 |
Koyo Seiko Co., Ltd. |
Brushless DC motor and method of manufacturing brushless DC motor |
| 6967424, |
Feb 18 2003 |
MINEBEA CO , LTD |
Rotor assembly and stator assembly for an electrical machine |
| 6979924, |
Feb 23 1996 |
Matsushita Electric Industrial Co., Ltd. |
Compressor using a motor |
| 6987342, |
Apr 24 2003 |
MINEBEA MITSUMI INC |
Rotor for an electric motor |
| 7019426, |
Sep 05 2001 |
Koyo Seiko Co., Ltd. |
Brushless DC motor |
| 7057322, |
Jul 31 2003 |
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION |
Rotor for reluctance type rotating machine |
| 7151335, |
Mar 10 2004 |
HITACHI ASTEMO, LTD |
Permanent magnet rotating electric machine and electric car using the same |
| 7170209, |
Jul 31 2003 |
Kabushiki Kaisha Toshiba; Toshiba Industrial Products Manufacturing Corporation |
Rotor for reluctance type rotating machine |
| 7176598, |
Sep 05 2001 |
JTEKT Corporation |
Brushless DC motor |
| 7196446, |
Apr 24 2003 |
Minebea Co., Ltd. |
Rotor for an electric motor |
| 7204012, |
Apr 07 2004 |
MINEBEA CO , LTD |
Method for fabricating a rotor arrangement and a rotor arrangement for an electric machine |
| 7321177, |
Jun 24 2004 |
Fanuc Ltd |
Synchronous electric motor |
| 7385328, |
May 23 2006 |
Baldor Electric Company |
Cogging reduction in permanent magnet machines |
| 7432624, |
Aug 26 2002 |
ABB Technology AG |
Rotor for a permanent-magnet electrical machine and a machine for manufacturing it |
| 7436095, |
Oct 31 2005 |
Caterpillar Inc. |
Rotary electric machine |
| 7474029, |
Jun 14 2004 |
GM Global Technology Operations LLC |
Rotor magnet placement in interior permanent magnet machines |
| 7479723, |
Jan 30 2007 |
GM Global Technology Operations LLC |
Permanent magnet machine rotor |
| 7504754, |
Oct 31 2005 |
Caterpillar Inc; Wisconsin Alumni Research Foundation |
Rotor having multiple permanent-magnet pieces in a cavity |
| 7521832, |
Mar 10 2004 |
Hitachi, Ltd. |
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine |
| 7550889, |
Dec 19 2005 |
Nidec Motor Corporation |
Asymmetrical composite magnet structure for lobed rotor |
| 7560842, |
Sep 21 2005 |
Toyota Jidosha Kabushiki Kaisha |
Permanent magnet type rotating electric machine capable of suppressing deformation of rotor core |
| 7598645, |
May 09 2007 |
DANFOSS POWER SOLUTIONS US COMPANY |
Stress distributing permanent magnet rotor geometry for electric machines |
| 7605510, |
Dec 01 2005 |
AICHI ELECTRIC CO , LTD |
Permanent magnet rotating machine |
| 7612480, |
Dec 12 2006 |
NIDEC CORPORATION |
Interior permanent magnet motor |
| 7705503, |
Sep 07 2005 |
Kabushiki Kaisha Toshiba; Toshiba Industrial Products Manufacturing Corporation |
Rotating electrical machine |
| 7705504, |
Nov 07 2005 |
ASMO CO , LTD |
Embedded magnet type motor |
| 7732965, |
Apr 27 2007 |
Denso Corporation |
Embedded magnet type motor |
| 7750523, |
Feb 13 2007 |
ASMO CO , LTD |
Embedded magnet type motor |
| 7791236, |
Aug 16 2007 |
Ford Global Technologies, LLC |
Permanent magnet machine |
| 7800272, |
Nov 28 2007 |
ASMO CO , LTD |
Embedded magnet motor and manufacturing method of the same |
| 7804216, |
Oct 20 2006 |
Kabushiki Kaisha Toshiba; Toshiba Industrial Products Manufacturing Corporation |
Permanent-magnet reluctance electrical rotary machine |
| 7808143, |
Oct 24 2007 |
Rechi Precision Co., Ltd. |
Permanent magnet motor |
| 7843101, |
Dec 01 2005 |
AICHI ELECTRIC CO , LTD |
Interior permanent magnet electric motor including a rotor having circumferential surface portions with defined curve profiles |
| 7851958, |
Jun 12 2006 |
BorgWarner Inc |
Electric machine with interior permanent magnets |
| 7868503, |
Nov 28 2007 |
Asmo Co., Ltd. |
Embedded magnet motor and manufacturing method of the same |
| 7902710, |
Oct 01 2008 |
Wisconsin Alumni Research Foundation |
Electric machine |
| 7906882, |
Dec 01 2005 |
AICHI ELECTRIC CO , LTD |
Permanent magnet rotating machine |
| 7932658, |
Mar 15 2007 |
RBC Manufacturing Corporation; Regal Beloit America, Inc |
Interior permanent magnet motor including rotor with flux barriers |
| 7952249, |
Jun 27 2008 |
Hitachi, Ltd. |
Permanent-magnet type electric rotating machine and permanent-magnet type electric rotating machine system for automobile or train |
| 8008825, |
Mar 20 2007 |
Kabushiki Kaisha Yaskawa Denki |
Electromagnetic steel plate forming member, electromagnetic steel plate laminator, permanent magnet type synchronous rotating electric machine rotor provided with the same, permanent magnet type synchronous rotating electric machine, and vehicle, elevator, fluid machine, and processing machine using the rotating electric machine |
| 8018109, |
Nov 11 2008 |
Ford Global Technologies, LLC |
Permanent magnet machine with offset pole spacing |
| 8044546, |
Aug 16 2007 |
Ford Global Technologies, LLC |
Permanent magnet machine |
| 8058767, |
Mar 13 2006 |
Toyota Jidosha Kabushiki Kaisha; Mitsui High-Tec, Inc |
Rotor and method of manufacturing the same and electric vehicle |
| 8067871, |
Mar 10 2004 |
HITACHI ASTEMO, LTD |
Permanent magnet rotating electric machine and electric car using the same |
| 8080915, |
Nov 28 2007 |
Asmo Co., Ltd. |
Embedded magnet motor and manufacturing method of the same |
| 8120223, |
Nov 11 2008 |
Ford Global Technologies, LLC |
Permanent magnet machine with offset pole spacing |
| 8138651, |
Nov 30 2007 |
GM Global Technology Operations LLC |
Methods and apparatus for a permanent magnet machine with an added air barrier |
| 8174158, |
Feb 20 2009 |
GM Global Technology Operations LLC |
Methods and apparatus for a permanent magnet machine with asymmetrical rotor magnets |
| 8179011, |
Dec 17 2008 |
Denso Corporation |
Brushless motor |
| 8217547, |
Nov 07 2008 |
Toyota Jidosha Kabushiki Kaisha; Denso Corporation |
Rotating electric machine |
| 8227953, |
Mar 20 2007 |
Kabushiki Kaisha Yaskawa Denki |
Rotor, rotating electric machine, vehicle, elevator, fluid machine, and processing machine |
| 8232703, |
Dec 07 2010 |
Asmo Co., Ltd. |
Embedded magnet motor and manufacturing method of the same |
| 8264113, |
Dec 17 2008 |
Denso Corporation |
Brushless motor |
| 8319387, |
Jan 14 2010 |
Kabushiki Kaisha Yaskawa Denki |
Rotor for use in IPM rotating electric machine, and IPM rotating electric machine provided with the rotor |
| 8350431, |
Aug 16 2007 |
Ford Global Technologies, LLC |
Permanent magnet machine |
| 8427023, |
Jan 14 2010 |
Kabushiki Kaisha Yaskawa Denki |
Rotor for use in IPM rotating electric machine, and IPM rotating electric machine provided with the rotor |
| 8461737, |
Nov 30 2009 |
TECO-Westinghouse Motor Company |
Permanent-magnet (PM) rotors and systems |
| 8536748, |
Nov 11 2008 |
Ford Global Technologies, LLC |
Permanent magnet machine with different pole arc angles |
| 8546990, |
Mar 20 2007 |
Kabushiki Kaisha Yaskawa Denki |
Permanent magnet synchronous rotating electric machine and rotor core |
| 8564168, |
May 24 2010 |
BorgWarner Inc |
Rotor lamination assembly |
| 8598763, |
May 08 2008 |
Daikin Industries, Ltd |
Field element |
| 8729763, |
Jul 23 2010 |
Toyota Jidosha Kabushiki Kaisha |
Rotor and IPM motor |
| 8866359, |
May 31 2010 |
JOHNSON ELECTRIC INTERNATIONAL AG |
Brushless motor having V-shaped permanent magnets |
| 8884485, |
Apr 17 2012 |
GM Global Technology Operations |
Axially asymmetric permanent magnet machine |
| 8928197, |
Apr 17 2012 |
GM Global Technology Operations LLC |
Pole-to-pole asymmetry in interior permanent magnet machines with arc-shaped slots |
| 8928198, |
Feb 28 2011 |
DANFOSS POWER SOLUTIONS US COMPANY |
Brushless PM machine construction enabling low coercivity magnets |
| 8957560, |
Mar 03 2011 |
Denso Corporation |
Electric rotating machine |
| 9024499, |
Jul 28 2010 |
NISSAN MOTOR CO , LTD |
Rotating electric machine rotor |
| 9035522, |
Nov 11 2008 |
Ford Global Technologies, LLC |
Permanent magnet machine with different pole arc angles |
| 9130422, |
Mar 08 2013 |
GM Global Technology Operations LLC |
Interior permanent magnet machine having a mixed rare earth magnet and ferrite magnet rotor |
| 9130424, |
Dec 30 2013 |
Hyundai Motor Company; Kia Motors Corporation |
Rotor of interior permanent magnet motor |
| 9300175, |
May 25 2012 |
JTEKT Corporation |
Rotor and motor including rotor |
| 9369012, |
Apr 15 2011 |
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD |
Electric motor and electric compressor using the same |
| 9419481, |
Feb 21 2013 |
Honda Motor Co., Ltd. |
Rotary electric machine |
| 9496758, |
Feb 14 2013 |
Honda Motor Co., Ltd. |
Rotor for rotating electric machine |
| 9502930, |
Aug 05 2011 |
GREE ELECTRIC APPLIANCES, INC OF ZHUHAI; GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO , LTD OF ZHUHAI |
Motor rotor and motor having same |
| 9502934, |
Aug 05 2011 |
GREE ELECTRIC APPLIANCES, INC OF ZHUHAI; GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO LTD OF ZHUHAI |
Motor rotor and motor having same |
| 9515526, |
Aug 05 2011 |
GREE ELECTRIC APPLIANCES, INC OF ZHUHAI; GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO LTD OF ZHUHAI |
Motor and rotor thereof |
| 9647501, |
Feb 14 2013 |
Mitsubishi Electric Corporation |
Interior permanent magnet motor, compressor and refrigeration and air conditioning apparatus |
| 9680341, |
Aug 31 2012 |
HITACHI ASTEMO, LTD |
Rotating electric machine including rotor core with slots having protrusions |
| 9705388, |
Dec 19 2011 |
Baldor Electric Company |
Rotor for a line start permanent magnet machine |
| 9748806, |
Apr 23 2012 |
HITACHI ASTEMO, LTD |
Permanent magnet rotating electrical machine and a motor vehicle using same |
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Jun 27 2012 |
Toyota Boshoku Kabushiki Kaisha |
Method for manufacturing rotor core |
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Dec 25 2013 |
Makita Corporation |
Power tool |
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Jan 16 2012 |
Samsung Electronics Co., Ltd. |
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