ClassID:

217484

H02K21/029 - CPC Classification

Classification description:

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets; Details; Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections

Recent Application in this class:
#1
20240413723
2024-12-12

CENTRIFUGAL MAGNETIC FLUX ADJUSTER ELECTRICAL MOTOR

#2
20240258893
2024-08-01

ROTOR STRUCTURE OF ROTARY ELECTRIC MACHINE

#3
20240258892
2024-08-01

ROTOR STRUCTURE

#4
20240258891
2024-08-01

ROTOR STRUCTURE OF ROTARY ELECTRIC MACHINE

#5
20240258890
2024-08-01

ROTOR, ROTARY ELECTRIC MACHINE, AND VEHICLE

#6
20240258889
2024-08-01

ROTOR, ROTARY ELECTRIC MACHINE, AND VEHICLE

#7
20230421033
2023-12-28

Circumferential flux electric machine with field weakening mechanisms and methods of use

#8
20220286007
2022-09-08

ROTATING ELECTRIC MACHINE

#9
20220263394
2022-08-18

ROTATING ELECTRICAL MACHINE

#10
20220209633
2022-06-30

Rotating electrical machine

#11
20220115936
2022-04-14

Circumferential flux electric machine with field weakening mechanisms and methods of use

#12
20220085707
2022-03-17

Electrical machine with an auxiliary movable self-directing stator

#13
20210328488
2021-10-21

Rotating electric machine

#14
20210281153
2021-09-09

Rotating electrical machine

#15
20210135555
2021-05-06

Motor for air compressor

#16
20200343799
2020-10-29

Magnetically reconfigurable robot joint motor

#17
20200321842
2020-10-08

Cycloidal reluctance motor with rotor permanent magnets

#18
20200304002
2020-09-24

Permanent Magnet Motor For Electrical Submersible Pump

#19
20200161951
2020-05-21

Rotary electrical machine

#20
20200161950
2020-05-21

Rotary electrical machine

#21
20200149371
2020-05-14

Debris tolerant flux guided downhole rotating machine

#22
20200127510
2020-04-23

Permanent magnet energized motor with rotatable bar magnets

#23
20200076253
2020-03-05

Electric motor with switchover elements in the magnetic circuit

#24
20200014289
2020-01-09

Variable flux motor

#25
20190222105
2019-07-18

ROTATING ELECTRIC MACHINE

#26
20190097509
2019-03-28

Variable magnetic flux-type permanent magnet rotary electric machine

#27
20190068037
2019-02-28

Permanent magnet machine including ferromagnetic components for external field weakening and method of constructing

#28
20180367017
2018-12-20

Electrical machine

#29
20180278134
2018-09-27

Circumferential flux electric machine with field weakening mechanisms and methods of use

#30
20180175767
2018-06-21

Motor control system and method and device for controlling power factor on motor side

#31
20170331337
2017-11-16

Permanent magnet machine

#32
20170244349
2017-08-24

Electric power supply system, control device, vehicle, and engine generator unit for driving vehicle

#33
20170244348
2017-08-24

Current supply system, electric power supply system, and control device

#34
20170240053
2017-08-24

Transmission, control device, and vehicle

#35
20150318773
2015-11-05

Motor

#36
20150145364
2015-05-28

High efficiency AC DC electric motor, electric power generating system with variable speed, variable power, geometric isolation and high efficiency conducting elements

#37
20140368942
2014-12-18

Optical element switching system using a Halbach array

#38
20140312730
2014-10-23

Rotary electric machine

#39
20130049651
2013-02-28

Rotary electric machine

#40
20120286616
2012-11-15

Motor

#41
20120264554
2012-10-18

Electric motor assembly with movable rotor segments to reduce back electromotive force

#42
20120229066
2012-09-13

VARIABLE FIELD MAGNET ROTATING ELECTRICAL MACHINE

#43
20120206003
2012-08-16

BRUSHLESS DIRECT CURRENT (DC) ELECTRIC GENERATOR WITH DECREASED ELECTROMAGNETIC DRAG

#44
20120206002
2012-08-16

HIGH EFFICIENCY ELECTRIC MOTOR AND POWER COGENERATION UNIT

#45
20120120516
2012-05-17

Optical element switching system using a Halbach array

#46
20120081060
2012-04-05

CONTROL APPARATUS FOR DRIVING APPARATUS

#47
20120081047
2012-04-05

CONTROL DEVICE OF A DRIVING APPARATUS

#48
20120074913
2012-03-29

Windmill generator with mechanically tuneable permanent magnetic field

#49
20120032545
2012-02-09

Magnetic-controlled actuator with auto-locking function for joints of manipulation arm

#50
20110133592
2011-06-09

Rotary electrical machine

#51
20100252341
2010-10-07

ELECTRIC ROTARY MACHINE

#52
20100231081
2010-09-16

Motor

#53
20100213779
2010-08-26

Permanent magnet motor or actuator with field weakening capability

#54
20100164422
2010-07-01

VARIABLE MAGNETIC FLUX ELECTRIC ROTARY MACHINE

#55
20090295250
2009-12-03

Magnet Type Brushless Generator and Magnet type Brushless Starter

#56
20090224625
2009-09-10

Rotary electrical machine

#57
20090192013
2009-07-30

Hybrid Vehicle

#58
20090140591
2009-06-04

Electrical synchronous machine

#59
20090096314
2009-04-16

Dual rotor electric machine having a field-controlling rotor

#60
20090026864
2009-01-29

Field controllable rotating electric machine system with flux shunt control

#61
20080303471
2008-12-11

Motor control apparatus

#62
20080296997
2008-12-04

Rotor for rotating electrical machine

#63
20080136294
2008-06-12

Self-regulating permanent magnet device

#64
20080100168
2008-05-01

Dual rotor electromagnetic machine

#65
20080098588
2008-05-01

Control of a dual rotor electromagnetic machine

#66
20080019855
2008-01-24

Controller for motor

#67
20070273235
2007-11-29

Electric motor having improved relative phase control

#68
20070205684
2007-09-06

Electric motor with multiple rotors in a concentrically circular arrangement around a rotation axis of the electric motor

#69
20070205683
2007-09-06

Electric motor and rotating device that changes relative phase of rotors

#70
20070129198
2007-06-07

Electric motor and method of driving the same

#71
20060290219
2006-12-28

Electric machine with permanent magnetic rotor

#72
20060152104
2006-07-13

Rotary electrical machine

#73
20060033402
2006-02-16

Transport system and dynamo-electric machine