Patents-Review.com
ClassID:

217459 ⎘

H02K19/12 - CPC Classification

Classification description:

Synchronous motors or generators; Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing

Recent Application in this class:
#1
20260106563
2026-04-16

MOTOR CONTROL DEVICE AND STORAGE MEDIUM

 #2
20250385581
2025-12-18

WOUND-FIELD ROTOR

 #3
20250385580
2025-12-18

WOUND-FIELD ROTATING ELECTRIC MACHINE

 #4
20250274023
2025-08-28

SYSTEM WITH AN ELECTRIC ROTARY TRANSFORMER

 #5
20250132651
2025-04-24

SYNCHRONOUS ELECTRIC MACHINE WITH RECONFIGURABLE ROTOR AND STATOR POLES

 #6
20250070695
2025-02-27

CONTROL DEVICE FOR ROTARY ELECTRIC MACHINE

 #7
20250015693
2025-01-09

ROTOR FOR AN EXTERNALLY EXCITED SYNCHRONOUS MACHINE

 #8
20240429799
2024-12-26

INDUCTIVELY ELECTRICALLY SYNCHRONOUS MACHINE

 #9
20240405649
2024-12-05

EXTERNALLY EXCITED ELECTRIC SYNCHRONOUS MACHINE

 #10
20240339904
2024-10-10

Inductively electrically excited synchronous machine

 #11
20240178726
2024-05-30

MAGNET-LESS AND BRUSH-LESS ROTATING TRANSFORMER EXCITED SYNCHRONOUS MACHINE AND METHOD OF ITS CONTROL

 #12
20240055962
2024-02-15

BIPOLAR INDUCTION ELECTRIC MACHINE

 #13
20240006967
2024-01-04

FIELD WINDING TYPE ROTATING ELECTRIC MACHINE

 #14
20230073798
2023-03-09

Method for winding an electric machine rotor

 #15
20230028189
2023-01-26

Rotary electric machine, compressor, refrigeration device, and vehicle

 #16
20220371572
2022-11-24

Method and system for controlling a pole switch in an electric motor

 #17
20220294286
2022-09-15

SOLID STATE MULTI-POLE AND UNI-POLE ELECTRIC GENERATOR ROTOR FOR AC/DC ELECTRIC GENERATORS

 #18
20220200425
2022-06-23

Externally excited electric machine

 #19
20210336574
2021-10-28

Method and system for brushless wound field synchronous machines

 #20
20210288567
2021-09-16

Controller for a generator

 #21
20210281152
2021-09-09

Electric motor comprising a wiring unit, and method for producing an electric motor comprising a wiring unit

 #22
20210257871
2021-08-19

Rotary electric machine with two-pole rotor and three-phase armature winding

 #23
20210226489
2021-07-22

Field coil type rotating electric machine

 #24
20200412215
2020-12-31

Excitation system

 #25
20200313475
2020-10-01

Cycloidal reluctance motor with rotor electromagnets

 #26
20200251940
2020-08-06

Field coil type rotating electric machine

 #27
20200195104
2020-06-18

Method for manufacturing a rotor for an electrical machine with a contactless power transmission system, and rotor, electrical machine and motor vehicle

 #28
20200161949
2020-05-21

Double-stator single-winding switched reluctance machine

 #29
20200044506
2020-02-06

Rotor for a synchronous generator

 #30
20200036251
2020-01-30

Electric rotary machine

 #31
20190334423
2019-10-31

Rotational electric machine

 #32
20190334421
2019-10-31

Rotational electric machine

 #33
20190312539
2019-10-10

Field winding type rotating electric machine

 #34
20190296623
2019-09-26

Rotor and rotor circuit for an electric motor

 #35
20190238011
2019-08-01

Solid state multi-pole and uni-pole electric generator rotor for AC/DC electric generators

 #36
20190207491
2019-07-04

Field winding type rotary machine

 #37
20190180899
2019-06-13

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

 #38
20190173342
2019-06-06

Motor

 #39
20190165705
2019-05-30

Variable torque electric motor assembly

 #40
20190165630
2019-05-30

Electric machine, activation unit and method for operating an electric machine

 #41
20190157924
2019-05-23

Electrical synchronous machine and method for at least partially circumferentially producing an electrical synchronous machine

 #42
20190131838
2019-05-02

Motor

 #43
20190097501
2019-03-28

Systems and methods for exciterless synchronous machines

 #44
20190058382
2019-02-21

Synchronous machine with common motor/generator exciter stage

 #45
20190058381
2019-02-21

Rotating electric machine

 #46
20180248460
2018-08-30

Drive system with electromagnetic energy transfer

 #47
20180205299
2018-07-19

Method for manufacturing a stator assembly of an electrical machine

 #48
20180115181
2018-04-26

Charging system using wound rotor synchronous motor

 #49
20180115180
2018-04-26

Charging system using wound rotor synchronous motor

 #50
20180083519
2018-03-22

Switched reluctance machine with toroidal winding

 #51
20180034396
2018-02-01

Systems and methods concerning exciterless synchronous machines

 #52
20180019693
2018-01-18

Controller for permanent magnet synchronous motor, image forming apparatus, and control method

 #53
20180006539
2018-01-04

Homopolar motor for a flywheel energy storage system

 #54
20180006538
2018-01-04

ELECTRIC MOTOR

 #55
20170373553
2017-12-28

Field winding type motor

 #56
20170370296
2017-12-28

Induction switched reluctance motor

 #57
20170366075
2017-12-21

Synchronous Reluctance Motor

 #58
20170250636
2017-08-31

Field winding type synchronous machine

 #59
20170250594
2017-08-31

Electric motor

 #60
20170179864
2017-06-22

Field winding synchronous machine drive system

 #61
20170149367
2017-05-25

Electromagnetic machine system having current injection for inductive excitation of windings

 #62
20170126103
2017-05-04

Calibrated slip synchronous machine

 #63
20160365776
2016-12-15

Structure for slip ring and brush of wound rotor synchronous motor

 #64
20160359400
2016-12-08

Dual axis alternator

 #65
20160352203
2016-12-01

Rotating electric machine

 #66
20160336891
2016-11-17

Field winding type synchronous machine

 #67
20160294267
2016-10-06

Magnet-free rotating electric machine

 #68
20160294239
2016-10-06

Magnetless rotating electric machine

 #69
20160226356
2016-08-04

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

 #70
20160211787
2016-07-21

Systems and methods concerning exciterless synchronous machines

 #71
20160211786
2016-07-21

Synchronous machine with rechargeable power storage devices

 #72
20160181899
2016-06-23

Separately excited electric machine with at least one primary magnetic circuit and at least two secondary magnetic circuits

 #73
20160105062
2016-04-14

Motor

 #74
20160099618
2016-04-07

Electric rotating machine

 #75
20160049838
2016-02-18

SYNCHRONOUS MACHINE

 #76
20150372552
2015-12-24

Three-phase alternating current electric motor provided with structure reducing torque ripple

 #77
20150115762
2015-04-30

Rotating transformers for electrical machines

 #78
20150097372
2015-04-09

Three phase flux switching generator in a three stage wound field synchronous machine

 #79
20150035470
2015-02-05

Electric power assembly for a vehicle

 #80
20150022035
2015-01-22

Rotating electric machine

 #81
20150008777
2015-01-08

SYNCHRONOUS ELECTRIC MACHINE

 #82
20140368077
2014-12-18

Hybrid excitation rotating electrical machine

 #83
20140346912
2014-11-27

Flux-switching machine

 #84
20140300223
2014-10-09

Rotor for rotating electrical machine, and rotating electrical machine provided with said rotor

 #85
20140285057
2014-09-25

Reluctance motor having inductor pole coils located between adjacent ones of the salient poles of a rotor

 #86
20140252905
2014-09-11

Flux-switching electrical machine

 #87
20140197710
2014-07-17

Wound field rotating machine with capacitive power transfer

 #88
20140049139
2014-02-20

METHOD FOR WINDING CONTROL OF POLE CHANGEABLE STATOR AND ELECTRO-MECHANICAL CONVERSION APPARATUS USING THE SAME

 #89
20130328428
2013-12-12

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

 #90
20130314021
2013-11-28

Rotary electric machine driving system

 #91
20130134823
2013-05-30

Rotor for rotary electric machine

 #92
20130043762
2013-02-21

Wound field rotating machine with capacitive power transfer

 #93
20120326652
2012-12-27

High power-density, high efficiency, non-permanent magnet electric machine

 #94
20120313492
2012-12-13

Electromagnetic rotary electric machine

 #95
20120293105
2012-11-22

ROTOR SLOT ASYMMETRY IN AN ELECTRIC MOTOR

 #96
20120256510
2012-10-11

ROTARY ELECTRIC MACHINE

 #97
20120133320
2012-05-31

Electric machine and current source inverter drive system

 #98
20120043847
2012-02-23

Electric rotating machine

 #99
20120019083
2012-01-26

High power-density, high efficiency, non-permanent magnet electric machine

 #100
20110316366
2011-12-29

Double stator switched reluctance apparatus

 #101
20110304224
2011-12-15

Compact starter-generator with common core for main and exciter winding

 #102
20110148241
2011-06-23

Electric motor

 #103
20110018381
2011-01-27

Electric motor

 #104
20100295397
2010-11-25

Electromechanical Machine

 #105
20100259136
2010-10-14

Rotary electric machine and driving controller for rotary electric machine

 #106
20100231181
2010-09-16

Starter-generator with improved excitation

 #107
20100019711
2010-01-28

Motor with controllable rotor-pole magnetic intensity

 #108
20090230806
2009-09-17

Electric motor

 #109
20090179604
2009-07-16

Electric motor

 #110
20080211448
2008-09-04

Synchronous machines

 #111
20070194572
2007-08-23

Brushless starter-generator with independently controllable exciter field

 #112
20060066153
2006-03-30

Synchronous machines

 #113
20050162030
2005-07-28

Brushless exciter with electromagnetically decoupled dual excitation systems for starter-generator applications

 #114
20050073281
2005-04-07

Electromagnetic motor

 #115
19228747
2025-10-14

Scalable low-speed, high torque DC electric motor system

 #116
17714846
2022-11-22

Homopolar multi-core energy conversion device

 #117
15147851
2019-05-07

Bipolar transverse flux electric motor