ClassID:

217479

H02K21/024 - 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 relative position between field and armature, e.g. between rotor and stator by varying the amount of superposition, i.e. the overlap, of field and armature Radial air gap machines

Recent Application in this class:
#1
20260106527
2026-04-16

ELECTRIC MACHINE

#2
20240396416
2024-11-28

ROTARY ELECTRIC MACHINE

#3
20240305179
2024-09-12

CONTROL SYSTEM

#4
20240235350
2024-07-11

DRIVE SYSTEM OF A WASHING MACHINE

#5
20240204706
2024-06-20

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#6
20240146166
2024-05-02

ELECTRIC MACHINE WITH AXIALLY DISPLACEABLE ROTOR

#7
20240136901
2024-04-25

DRIVE SYSTEM OF A WASHING MACHINE

#8
20240039446
2024-02-01

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#9
20230344325
2023-10-26

MOTOR AND CLEANER COMPRISING THE SAME

#10
20230272761
2023-08-31

SUPERCONDUCTING ULTRA POWER EFFICIENT RADIAL FAN AUGMENTED NANO-AERO DRIVE (SUPERFAN)

#11
20230006593
2023-01-05

Variable torque motor/generator/transmission

#12
20220345016
2022-10-27

Electromagnetic rotary drive, a centrifugal pump and a pump unit

#13
20220302865
2022-09-22

Variable torque motor/generator/transmission

#14
20220140713
2022-05-05

Expandable rotor

#15
20220069688
2022-03-03

Turbomachine equipped with an embedded electric machine having a segmented and movable stator

#16
20210320606
2021-10-14

Variable torque motor/generator/transmission

#17
20210257949
2021-08-19

Variable torque motor/generator/transmission

#18
20210175786
2021-06-10

Permanent magnet motor

#19
20210135554
2021-05-06

NOVEL DOUBLE-STATOR COMBINED ELECTRIC MACHINE SUITABLE FOR ACHIEVING SENSORLESS CONTROL OF ABSOLUTE POSITION OF ROTOR

#20
20200040846
2020-02-06

Superconducting ultra power efficient radial fan augmented nano-aerodrive (superfan)

#21
20190165628
2019-05-30

Interior permanent magnet synchronous machine

#22
20190071874
2019-03-07

Multi-layer gutter cover and gutter assembly comprising the same

#23
20190068102
2019-02-28

Variable torque motor/generator/transmission

#24
20190013759
2019-01-10

Variable torque motor/generator/transmission

#25
20180367017
2018-12-20

Electrical machine

#26
20180309394
2018-10-25

Electric machine having continuously-variable magnetic characteristics and method of controlling the same

#27
20180278139
2018-09-27

Magnetic transmission

#28
20180219463
2018-08-02

Permanent magnet synchronous motor

#29
20180219446
2018-08-02

Outer rotor type motor

#30
20180138850
2018-05-17

Variable torque motor/generator/transmission

#31
20180048254
2018-02-15

Variable torque motor/generator/transmission

#32
20180013371
2018-01-11

Hydride generation system

#33
20170040920
2017-02-09

Variable torque motor/generator/transmission

#34
20160365760
2016-12-15

Motor structure for variable counter electromotive force

#35
20160036308
2016-02-04

Variable torque motor/generator/transmission

#36
20150214821
2015-07-30

Active control system for a variable electromotive-force generator with applications to wind turbines, ships, and hybrid vehicles

#37
20140349804
2014-11-27

Roller device for a traction mechanism drive of a motor vehicle

#38
20140097719
2014-04-10

Motor for environment-friendly vehicle

#39
20140091746
2014-04-03

Electromagnetic pump compensation power supply apparatus and electromagnetic pump system

#40
20130200739
2013-08-08

Motor including a rotor and magnetic flux adjustment unit to change an amount of magnetic flux generated by the rotor

#41
20130082558
2013-04-04

Electric motor

#42
20130009507
2013-01-10

Permanent magnet generator for stabilizing electromotive force

#43
20130002081
2013-01-03

Permanent magnet rotor brushless motor

#44
20100213778
2010-08-26

Magnetic Motor With Associated Alternator

#45
20100026221
2010-02-04

Dual redundant variable field permanent magnet dynamoelectric machine

#46
20090302700
2009-12-10

Coaxial twin variable field permanent magnetic dynamoelectric machine

#47
20080246430
2008-10-09

Electric vehicle drive apparatus

#48
20080197730
2008-08-21

Nested variable field dynamoelectric machine

#49
20070216252
2007-09-20

Motor/generator

#50
20070096581
2007-05-03

Brushless permanent magnet motor/generator with axial rotor decoupling to eliminate magnet induced torque losses

#51
20060097604
2006-05-11

Electric motor and motor-driven compressor

#52
20050275359
2005-12-15

Relative drive device

#53
17208417
2022-06-14

Rotating pressure generator

#54
16458956
2022-04-26

Hydride generation system

#55
15486727
2017-08-29

Variable torque motor/generator/transmission