Patents-Review.com
ClassID:

217488 ⎘

H02K21/046 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets; Details; Windings on magnets for additional excitation ; Windings and magnets for additional excitation with rotating permanent magnets and stationary field winding

Sub-classes:
Recent Application in this class:
#1
20250239911
2025-07-24

BRUSHLESS DC MOTOR POWER TOOL WITH COMBINED PCB DESIGN

 #2
20240243645
2024-07-18

AXIAL AIR GAP ELECTRIC ROTARY MOTOR

 #3
20240204615
2024-06-20

BRUSHLESS DC MOTOR POWER TOOL WITH COMBINED PCB DESIGN

 #4
20240079945
2024-03-07

TESTING APPARATUS FOR ACTIVE CURRENT CONTROL-TYPE NON-CONTACT SUPERCONDUCTIVE EXCITER HAVING HYBRID MAGNET INSTALLED THEREIN, AND HIGH-TEMPERATURE SUPERCONDUCTING ROTATING MACHINE USING SAME

 #5
20220368201
2022-11-17

Motor stator, drive motor, and electric vehicle

 #6
20220103049
2022-03-31

Synchronous machine having hybrid rotor excitation

 #7
20210296969
2021-09-23

Brushless DC motor power tool with combined PCB design

 #8
20210143714
2021-05-13

Rotary electric machine

 #9
20210135535
2021-05-06

Electric machine

 #10
20210111615
2021-04-15

MAGNETIC ELECTRIC POWER STATION

 #11
20210050765
2021-02-18

Electric motor system, and turbo compressor provided with same

 #12
20210001495
2021-01-07

DIRECT DRIVE BRUSHLESS MOTOR FOR ROBOTIC FINGER

 #13
20200112211
2020-04-09

Energy efficient permanent magnet synchronous motor

 #14
20190372443
2019-12-05

Rotary electric machine having magnetic flux supplied from a field coil

 #15
20190356204
2019-11-21

Rotating electric machine

 #16
20190296608
2019-09-26

Brushless DC motor power tool with combined PCB design

 #17
20180351440
2018-12-06

Hybrid synchronous machines

 #18
20180248446
2018-08-30

Brushless DC motor power tool with combined PCB design

 #19
20180205336
2018-07-19

Power supply device for internal combustion engine

 #20
20180198395
2018-07-12

Double stator permanent magnet machine with magnetic flux regulation

 #21
20180115204
2018-04-26

Electric motors

 #22
20180076688
2018-03-15

Brushless DC motor power tool with combined PCB design

 #23
20180071921
2018-03-15

Direct drive brushless motor for robotic finger

 #24
20170331356
2017-11-16

Motor controller

 #25
20170288482
2017-10-05

PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE

 #26
20170288478
2017-10-05

Stator Magnetic Core Brushless Motor Apparatus, System and Methods

 #27
20170271949
2017-09-21

Brushless DC motor power tool with combined PCB design

 #28
20170222504
2017-08-03

Rotating electric machine with magnetic gaps

 #29
20170033618
2017-02-02

Stator magnetic core brushless motor apparatus, system and methods

 #30
20170018981
2017-01-19

AC excitation synchronous rotating electric machine

 #31
20160359392
2016-12-08

Brushless DC motor power tool with combined PCB design

 #32
20160352203
2016-12-01

Rotating electric machine

 #33
20160301268
2016-10-13

Electric machine

 #34
20160294232
2016-10-06

Rotating electric machine

 #35
20160226326
2016-08-04

Rotor for an electrical machine

 #36
20160164394
2016-06-09

Electropermanent magnet-based motors

 #37
20160084235
2016-03-24

Elastic motor-spring actuator

 #38
20150303785
2015-10-22

Direct drive motor for robotic finger

 #39
20140265988
2014-09-18

System and method for a programmable electric converter

 #40
20140125181
2014-05-08

Magnetic field-modulated transverse flux multiphase permanent magnet motor

 #41
20140021818
2014-01-23

Electric motor

 #42
20140021817
2014-01-23

Electric motor

 #43
20130300243
2013-11-14

HIGH POWER DENSITY PERMANENT MAGNET MACHINE

 #44
20130221788
2013-08-29

Hybrid excitation rotating electrical machine

 #45
20130221771
2013-08-29

Hybrid excitation rotating electrical machine

 #46
20130200741
2013-08-08

Hybrid homopolar integrated starter-generator

 #47
20130181653
2013-07-18

Brushless starter-generator assembly and method to control magnetic flux excitation

 #48
20130181549
2013-07-18

High torque low inductance rotary actuator

 #49
20130057102
2013-03-07

Rotor of motor having interpole magnets in holding member

 #50
20120074795
2012-03-29

Elastic motor-spring actuator

 #51
20110204741
2011-08-25

Brushless machine having ferromagnetic side plates and side magnets

 #52
20110193534
2011-08-11

Magnetic control circuit separation slit

 #53
20110133485
2011-06-09

Transverse regulated flux machine

 #54
20110084567
2011-04-14

Rotating electric machine system

 #55
20110070108
2011-03-24

Rotary electric motor and blower that uses the same

 #56
20110062833
2011-03-17

Transverse regulated flux alternator

 #57
20110031841
2011-02-10

Permanent magnet brushless machine with magnetic flux regulation

 #58
20110012461
2011-01-20

Permanent Magnet Synchronization Motor

 #59
20100289359
2010-11-18

Electropermanent magnet-based motors

 #60
20100237822
2010-09-23

Drive unit for rotating electrical machine

 #61
20100213885
2010-08-26

Magnetic flux controllable rotating electric machine system

 #62
20100201294
2010-08-12

Variable magnetic flux motor drive system

 #63
20100181969
2010-07-22

Voltage regulated permanent magnet generator

 #64
20100176679
2010-07-15

Magnetic flux controllable rotating electric machine system

 #65
20100071971
2010-03-25

Drive device of electric motor

 #66
20100019606
2010-01-28

Rotating electric motor

 #67
20100019605
2010-01-28

Inductance augmenter for an electric machine

 #68
20100013340
2010-01-21

Rotating electrical machine

 #69
20090295237
2009-12-03

Electric machine

 #70
20090251112
2009-10-08

Permanent magnet electric generator with variable magnet flux excitation

 #71
20090251020
2009-10-08

Permanent magnet dynamoelectric machine with variable magnetic flux excitation

 #72
20090236924
2009-09-24

BRUSHLESS MACHINE WITH TAPERED POLES

 #73
20090195225
2009-08-06

Saturation control of electric machine

 #74
20090091282
2009-04-09

Electric motor control

 #75
20080019062
2008-01-24

Electric motor control

 #76
20070267931
2007-11-22

Magnetic control circuit separation slit

 #77
20070247120
2007-10-25

Voltage-limited electric machine

 #78
20070152530
2007-07-05

Self-magnetized motor and stator structure thereof

 #79
20070145850
2007-06-28

Permanent magnet machine and method with reluctance poles and non-identical PM poles for high density operation

 #80
20070132333
2007-06-14

Self magnetizing motor and method for winding coils on stator thereof

 #81
20070024249
2007-02-01

Architecture for electric machine

 #82
20060290221
2006-12-28

High strength undiffused brushless machine and method

 #83
20060226721
2006-10-12

Saturation control of electric machine

 #84
20060113967
2006-06-01

Saturation control of electric machine

 #85
20060082238
2006-04-20

Brushless rotary electric machine having tandem rotary cores

 #86
20050258699
2005-11-24

Permanent magnet machine and method with reluctance poles for high strength undiffused brushless operation

 #87
20050242785
2005-11-03

Architecture for electric machine

 #88
20050236920
2005-10-27

Brushless rotary electric machine having tandem rotary cores

 #89
20050046304
2005-03-03

Motor generator

 #90
20050001505
2005-01-06

Rotor apparatus for high strength undiffused brushless electric machine

 #91
16116107
2019-08-27

Direct current voltage regulation of permanent magnet generator