Patents-Review.com
ClassID:

217486 ⎘

H02K21/042 - 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 permanent magnets and field winding both rotating

Sub-classes:
Recent Application in this class:
#1
20250373134
2025-12-04

MOTOR

 #2
20250253746
2025-08-07

MAGNET-ASSISTED WOUND ROTOR FOR ELECTRIC MOTOR

 #3
20250246982
2025-07-31

MOTOR AND MOBILITY DEVICE INCLUDING THE SAME

 #4
20250125697
2025-04-17

POWER DISTRIBUTION WITHIN AN ELECTRIC MACHINE

 #5
20240429801
2024-12-26

Magnet-assisted wound rotor for electric motor

 #6
20240421681
2024-12-19

HYBRID EXCITED ROTARY MACHINE

 #7
20240213864
2024-06-27

Power distribution within an electric machine

 #8
20240055963
2024-02-15

Electric machine

 #9
20240014721
2024-01-11

Power distribution within an electric machine

 #10
20230344326
2023-10-26

A WIDE-SPEED MULTIPLE INTERIOR ROTOR EXCITATION MACHINE

 #11
20230145709
2023-05-11

Power distribution within an electric machine

 #12
20220393555
2022-12-08

Planar drive system, method for operating a planar drive system, and stator for driving a rotor

 #13
20220103049
2022-03-31

Synchronous machine having hybrid rotor excitation

 #14
20220058310
2022-02-24

Modeling interior permanent magnet synchronous machines considering permeability of rotor

 #15
20220029512
2022-01-27

Rotor for rotating electric machine

 #16
20210408882
2021-12-30

Hybrid permanent magnet and wound rotor starter generator

 #17
20210408881
2021-12-30

DEVICE CAPABLE OF CONTROLLING MAGNETIC ACTION, ELECTRIC GENERATOR USING SAME, AND PART FOR SAME

 #18
20210328485
2021-10-21

A STATOR AND A METHOD FOR ASSEMBLING A STATOR

 #19
20210013753
2021-01-14

Apparatus and method for an interior permanent magnet with rotor hybridization

 #20
20200373822
2020-11-26

Field-winding-type rotating electric machine

 #21
20200295640
2020-09-17

POWER GENERATION WITH SPEED DEPENDENT MAGNETIC FIELD CONTROL

 #22
20190207484
2019-07-04

Apparatuses, methods, and systems for starting an exciterless synchronous generator

 #23
20190180899
2019-06-13

Stator secondary windings to modify a permanent magnet (PM) field

 #24
20190173404
2019-06-06

CONTROL OF HYBRID PERMANENT MAGNET MACHINE WITH ROTATING POWER CONVERTER AND ENERGY SOURCE

 #25
20190165705
2019-05-30

Variable torque electric motor assembly

 #26
20190157918
2019-05-23

Generators having rotors that provide alternate magnetic circuits

 #27
20190097504
2019-03-28

Permanent magnet rotor, method for the production thereof using a magnetizing fixture

 #28
20190097479
2019-03-28

PERMANENT MAGNET ELECTRICAL MACHINE

 #29
20190036386
2019-01-31

Generators having rotors that provide alternate magnetic circuits

 #30
20190020295
2019-01-17

Hybrid surface magnet machine

 #31
20180323664
2018-11-08

Permanent magnet based electric machine having enhanced torque

 #32
20180301947
2018-10-18

Axial flux machine

 #33
20180262091
2018-09-13

PERMANENT MAGNET STARTER-GENERATOR WITH MAGNETIC FLUX REGULATION

 #34
20180183287
2018-06-28

Method and arrangement for adjusting the magnetization of a permanent magnet machine

 #35
20180145575
2018-05-24

Electrical machine including a magnetic flux weakening apparatus

 #36
20180013367
2018-01-11

Hybrid surface magnet machine

 #37
20160308409
2016-10-20

Rotor for rotating electric machine

 #38
20160268942
2016-09-15

Control of Hybrid Permanent Magnet Machine With Rotating Power Converter and Energy Source

 #39
20160226356
2016-08-04

Multiple-phase AC electric motor whose rotor is equipped with field winding and diode

 #40
20160204722
2016-07-14

Hybrid surface magnet machine

 #41
20150318774
2015-11-05

Permanent magnet machine with hybrid cage and methods for operating same

 #42
20140346913
2014-11-27

Lundell rotary machine

 #43
20140285053
2014-09-25

Flux controlled PM electric machine rotor

 #44
20140265679
2014-09-18

Engine starter system

 #45
20140184133
2014-07-03

Variable-flux motor drive system

 #46
20140184010
2014-07-03

Electric machine

 #47
20140055010
2014-02-27

POWER GENERATOR INTEGRATED WITH BEARING

 #48
20130334991
2013-12-19

Variable-flux motor drive system

 #49
20130328519
2013-12-12

Switch type DC electric machine having auxiliary excitation winding and conduction ring and brush

 #50
20130328518
2013-12-12

Switch type DC electric machine having auxiliary excitation winding and conduction ring and brush

 #51
20130328434
2013-12-12

Switch type DC brushless electric machine having auxiliary excitation winding set

 #52
20130328428
2013-12-12

Cross-interlocked multi-set switch type DC brushless electric machine system having auxiliary excitation winding set

 #53
20130314021
2013-11-28

Rotary electric machine driving system

 #54
20130169095
2013-07-04

Synchronous rotary electric machine having a double excitation rotor

 #55
20130162094
2013-06-27

Synchronous rotary electric machine having hybrid-excitation rotor

 #56
20130162093
2013-06-27

Synchronous rotary electric machine having a hybrid-excitation rotor

 #57
20130002078
2013-01-03

ROTOR OF A MULTIPOLAR SYNCHRONOUS ELECTRIC MACHINE WITH SALIENT POLES

 #58
20120181970
2012-07-19

Variable-flux motor drive system

 #59
20120153763
2012-06-21

SYNCHRONOUS MOTOR

 #60
20110273050
2011-11-10

Adjustable axial-flux disc motor

 #61
20110227442
2011-09-22

Electric machine

 #62
20110210637
2011-09-01

Rotor for an electric machine with reduced detent torque

 #63
20110084567
2011-04-14

Rotating electric machine system

 #64
20100259136
2010-10-14

Rotary electric machine and driving controller for rotary electric machine

 #65
20100231181
2010-09-16

Starter-generator with improved excitation

 #66
20100207480
2010-08-19

Electric machine having a hybrid-excited rotor

 #67
20100090561
2010-04-15

Projecting pole rotor comprising coil end support plates and rotary electric machine comprising one such rotor

 #68
20090322290
2009-12-31

Regulated hybrid permanent magnet generator

 #69
20090322176
2009-12-31

Synchronous motor with rotor having suitably-arranged field coil, permanent magnets, and salient-pole structure

 #70
20090261774
2009-10-22

Variable-flux motor drive system

 #71
20080129136
2008-06-05

Axial gap type motor

 #72
20080079375
2008-04-03

Rotary electric apparatus having rotor with field winding inducing current therethrough for generating magnetic field

 #73
20070252468
2007-11-01

Permanent magnet rotor with increased magnetic flux

 #74
20070090713
2007-04-26

Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine

 #75
20060290316
2006-12-28

Field-winding type of synchronous machine

 #76
20060119206
2006-06-08

Double-excitation rotating electrical machine for adjustable defluxing

 #77
20060082238
2006-04-20

Brushless rotary electric machine having tandem rotary cores

 #78
20050236920
2005-10-27

Brushless rotary electric machine having tandem rotary cores

 #79
16384067
2020-03-03

Hybrid surface magnet machine

 #80
15785805
2019-03-19

Magnetic spring assembly for mass dampers

 #81
15659135
2018-01-30

Generators having rotors that provide alternate magnetic circuits