ClassID:

217514

H02K21/44 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets

Recent Application in this class:
#1
20240250568
2024-07-25

Axial Flux Motor

#2
20230268815
2023-08-24

Winding arrangement for modulated pole machines

#3
20230198346
2023-06-22

Robot drive with isolated optical encoder

#4
20230052512
2023-02-16

Motor/generator

#5
20230049968
2023-02-16

MAGNETIC GEARED ROTARY ELECTRIC MACHINE AND STATOR MANUFACTURING METHOD

#6
20220302811
2022-09-22

MULTI-TUNNEL ELECTRIC MOTOR/GENERATOR

#7
20220173649
2022-06-02

Dual pole high temperature superconductive parallel path switched reluctance motor

#8
20220014080
2022-01-13

Parallel Magnetic Circuit Motor

#9
20210373446
2021-12-02

Positioning system and a method for positioning a substage or a stage with respect to a frame

#10
20210354798
2021-11-18

DRONE FOR TRIGGERING NAVAL MINES, HAVING AN ELECTRIC DRIVE

#11
20210351636
2021-11-11

Electromagnetic generator transformer

#12
20210234437
2021-07-29

Robot drive with isolated optical encoder

#13
20210211007
2021-07-08

Axial flux motor

#14
20200204026
2020-06-25

Asymmetrical Winding Configuration For An Electric Motor Drive

#15
20200119630
2020-04-16

Rotary electric machine

#16
20200119629
2020-04-16

Parallel magnetic circuit motor

#17
20200091783
2020-03-19

Self-exciting synchronous reluctance generators

#18
20200036267
2020-01-30

Robot drive with isolated optical encoder

#19
20200036238
2020-01-30

Electromagnetic generator transformer

#20
20190267856
2019-08-29

Double-rotor flux-switching machine

#21
20190250018
2019-08-15

Rotary position sensor with dual magnet arrangement

#22
20190199186
2019-06-27

Homopolar bearingless slice motors

#23
20190199185
2019-06-27

Multi-tunnel electric motor/generator

#24
20190157962
2019-05-23

Magnetically geared apparatus

#25
20180375392
2018-12-27

Self-exciting synchronous reluctance generators

#26
20180358877
2018-12-13

Three phase flux switching electric machine with orthogonally oriented magnets

#27
20180301968
2018-10-18

Double stator permanent magnet linear motor and design method for increasing magnetic field modulation

#28
20180294706
2018-10-11

Linear flux switching permanent magnet motor

#29
20180287473
2018-10-04

Alternating-current driven, salient-teeth reluctance motor with concentrated windings

#30
20180269744
2018-09-20

Rotary electric machine comprising a rotor and a stator for the passage of a fluid

#31
20180248455
2018-08-30

Alternator device

#32
20180233972
2018-08-16

Armature, rotating electric machine, crossflow fan

#33
20180041089
2018-02-08

Electrical connection through motor housing

#34
20180034329
2018-02-01

Permanent magnet based electric machine and method of manufacturing the same

#35
20180019641
2018-01-18

Power generator assembly for rotating applications

#36
20180016035
2018-01-18

Spin and tilt control of a multi-degree of freedom electromagnetic machine

#37
20180006527
2018-01-04

Power generator assembly comprising a non-rotating part and an electric device included on a rotating part

#38
20170358977
2017-12-14

Alternator device

#39
20170346374
2017-11-30

Electric machine, stator for an electric machine and vehicle

#40
20170331354
2017-11-16

Electrodynamic converter

#41
20170324312
2017-11-09

Stator for a Generator and a Flux Switching Machine for a Wind Turbine

#42
20170302145
2017-10-19

Electromagnetic rotary drive and rotational device

#43
20170250594
2017-08-31

Electric motor

#44
20170198701
2017-07-13

Integrated rotor for an electrical machine and compressor

#45
20170194842
2017-07-06

Robot drive with isolated optical encoder

#46
20170007973
2017-01-12

Mixing apparatus and single-use apparatus for a mixing apparatus

#47
20160344272
2016-11-24

Axial flux switching permanent magnet machine

#48
20160336820
2016-11-17

Alternator device

#49
20160248309
2016-08-25

Electromagnetic generator transformer

#50
20160248308
2016-08-25

Magnetic inductor electric motor and manufacturing method therefor

#51
20160226355
2016-08-04

MAGNETIC INDUCTOR ELECTRIC MOTOR

#52
20160218606
2016-07-28

Transverse flux machine

#53
20160164394
2016-06-09

Electropermanent magnet-based motors

#54
20160099618
2016-04-07

Electric rotating machine

#55
20160049853
2016-02-18

Dual stator, flux switching permanent magnet machine

#56
20160028276
2016-01-28

System and method for preventing stator permanent magnet demagnetization during vacuum pressure impregnation

#57
20150200573
2015-07-16

Generator

#58
20150145357
2015-05-28

Robot drive with radially adjustable sensor connection

#59
20150122235
2015-05-07

Rotating electric motor and internal combustion engine supercharger

#60
20150115757
2015-04-30

System and method for heating ferrite magnet motors for low temperatures

#61
20150035389
2015-02-05

Switched reluctance motor and stator thereof

#62
20140265696
2014-09-18

Electromagnetic generator transformer

#63
20140252901
2014-09-11

Inductor type rotary motor

#64
20140191701
2014-07-10

High performance electric machine without a collector

#65
20140183981
2014-07-03

Transverse flux induction motor with passive braking system

#66
20140125157
2014-05-08

Poly-phase reluctance electric motor with transverse magnetic flux

#67
20140103752
2014-04-17

Hybrid motor

#68
20140077637
2014-03-20

Robot Drive With Passive Rotor

#69
20140055069
2014-02-27

Electric excitation permanent magnet switch, electric excitation permanent magnet switched reluctance motor and electric excitation method

#70
20140049124
2014-02-20

Double-rotor flux-switching machine

#71
20140009025
2014-01-09

Hybrid field electric motor

#72
20140003979
2014-01-02

Turbocharger embedding an electrical machine with permanent magnets

#73
20130257187
2013-10-03

Brushless DC electrical generator

#74
20130154397
2013-06-20

HIGH EFFICIENCY MAGNETIC CORE ELECTRICAL MACHINES

#75
20130134805
2013-05-30

SWITCHED RELUCTANCE MOTOR

#76
20130082549
2013-04-04

SWITCHED RELUCTANCE MOTOR

#77
20130069453
2013-03-21

MECHANICALLY COMMUTATED SWITCHED RELUCTANCE MOTOR

#78
20130069450
2013-03-21

Robot Drive With Passive Rotor

#79
20130057091
2013-03-07

Switched reluctance motor

#80
20130049494
2013-02-28

Switched reluctance motor

#81
20130015724
2013-01-17

Secondary for linear drive motor comprising sheet of highly permeable magnetic material having synchronized motor teeth, encoder teeth, and commutation tracks integrally formed therein

#82
20120205992
2012-08-16

Transverse flux electrical motor

#83
20120181793
2012-07-19

WIND OR WATER ENERGY INSTALLATION

#84
20120175884
2012-07-12

Wind or water energy installation

#85
20120133466
2012-05-31

Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets

#86
20120119610
2012-05-17

Transverse and/or commutated flux systems having segmented stator laminations

#87
20120119609
2012-05-17

Transverse and/or commutated flux system coil concepts

#88
20120119599
2012-05-17

Transverse and/or commutated flux systems having laminated and powdered metal portions

#89
20120091940
2012-04-19

AC motor and control apparatus for the same

#90
20120025652
2012-02-02

Generator

#91
20110260672
2011-10-27

High power density switched reluctance machines with hybrid excitation

#92
20110254401
2011-10-20

Permanent-magnet switched-flux machine

#93
20110204786
2011-08-25

Machine tool with an electrical generator for passive power generation

#94
20110163618
2011-07-07

Rotating Electrical Machine

#95
20110156544
2011-06-30

GENERATOR FOR A BICYCLE WHEEL

#96
20110089775
2011-04-21

Parallel magnetic circuit motor

#97
20110070108
2011-03-24

Rotary electric motor and blower that uses the same

#98
20110018383
2011-01-27

Permanent-magnet switched-flux machine

#99
20100308676
2010-12-09

Internal split field generator

#100
20100308675
2010-12-09

External split field generator

#101
20100289359
2010-11-18

Electropermanent magnet-based motors

#102
20100170741
2010-07-08

Motor and electric power supply control apparatus for the motor

#103
20100164660
2010-07-01

Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets

#104
20100123426
2010-05-20

Reluctance motor with improved stator structure

#105
20100102663
2010-04-29

ELECTRICAL MACHINE

#106
20100072832
2010-03-25

Flux-switching magnetic motor/generator machine

#107
20100033035
2010-02-11

Ring motor

#108
20100019604
2010-01-28

METHODS AND APPARATUS FOR ASSEMBLING HOMOPOLAR INDUCTOR ALTERNATORS INCLUDING SUPERCONDUCTING WINDINGS

#109
20090309445
2009-12-17

Low Torque Rotary Electric Generator

#110
20090295238
2009-12-03

Driving apparatus

#111
20090218902
2009-09-03

Rotary actuators

#112
20090212644
2009-08-27

Combination drive with a hybrid reluctance motor

#113
20090206686
2009-08-20

Ring coil motor

#114
20090206682
2009-08-20

Primary part and linear electrical machine with force ripple compensation

#115
20090206681
2009-08-20

Primary part and linear electrical machine with force ripple compensation

#116
20090160391
2009-06-25

Hybrid permanent magnet motor

#117
20090134626
2009-05-28

Electrical machine, in particular a generator

#118
20090115265
2009-05-07

MOTOR FOR AN AERONAUTICAL FAN

#119
20090091205
2009-04-09

Single field rotor motor

#120
20090091198
2009-04-09

Flux-switching machine

#121
20090072634
2009-03-19

Electrical machine

#122
20090015089
2009-01-15

Permanent-magnet switched-flux machine

#123
20090009010
2009-01-08

Low-noise, high-speed, high precision and high-thrust flux reversal motor for linear or rotary motion system

#124
20090001822
2009-01-01

Electrical machine having plastic-sheathed pole teeth, and a corresponding method

#125
20080272664
2008-11-06

PERMANENT MAGNET ELECTRO-MECHANICAL DEVICE PROVIDING MOTOR/GENERATOR FUNCTIONS

#126
20080252152
2008-10-16

Electrical machine with an insertion device for a permanent magnet between pole tooth halves and corresponding production method

#127
20080197719
2008-08-21

Linear actuator

#128
20080185932
2008-08-07

Tooth Module for a Primary Part, with Permanent-Magnet Excitation, of an Electrical Machine

#129
20080169718
2008-07-17

Reluctance Motor

#130
20080136569
2008-06-12

METHOD AND APPARATUS FOR COIL-LESS MAGNETOELECTRIC MAGNETIC FLUX SWITCHING FOR PERMANENT MAGNETS

#131
20080036330
2008-02-14

Electric motor

#132
20080030092
2008-02-07

Hybrid electric reluctance motor

#133
20070278887
2007-12-06

Single field rotor motor

#134
20070176505
2007-08-02

Permanent-magnet switched-flux machine

#135
20070138896
2007-06-21

Outer magnetic circuit bias magnetic bias reluctance machine with permanent magnets

#136
20070090712
2007-04-26

AC generator and method

#137
20070063609
2007-03-22

Single field rotor motor

#138
20070029890
2007-02-08

Salient pole electrical machine

#139
20070024127
2007-02-01

Driving apparatus

#140
20060290224
2006-12-28

Generator of electrical energy

#141
20060181175
2006-08-17

METHOD AND APPARATUS FOR COIL-LESS MAGNETOELECTRIC MAGNETIC FLUX SWITCHING FOR PERMANENT MAGNETS

#142
20060012453
2006-01-19

Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets

#143
20050275303
2005-12-15

Differential flux permanent magnet machine

#144
20050242679
2005-11-03

Electromechanical power converter

#145
20050082934
2005-04-21

Motor using permanent magnet

#146
20050057101
2005-03-17

Linear actuator

#147
15785805
2019-03-19

Magnetic spring assembly for mass dampers