ClassID:

218447

H02P25/188 - CPC Classification

Classification description:

Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays wherein the motor windings are switched from series to parallel or to control speed or torque

Recent Application in this class:
#1
20260051779
2026-02-19

SYSTEMS, METHODS, AND DEVICES, FOR ELECTRICAL MACHINES HAVING VARIABLE OPERATING CHARACTERISTICS

#2
20250392243
2025-12-25

DYNAMICALLY RECONFIGURABLE MULTI MODE POWER CONVERTER UTILIZING WINDINGS OF ELECTRIC MACHINE

#3
20250317083
2025-10-09

RECONFIGURABLE SYNCHRONOUS MACHINE

#4
20240396484
2024-11-28

PUMP ACTUATING DEVICE, AND ASSOCIATED PUMPING SYSTEM, AIRCRAFT AND FUEL SUPPLY METHOD

#5
20240322627
2024-09-26

SWITCHING DEVICE FOR AN ELECTRIC MOTOR AND AN ELECTRIC MOTOR COMPRISING SAID SWITCHING DEVICE

#6
20240305232
2024-09-12

MOTOR DRIVE SYSTEM FOR A HOUSEHOLD APPLIANCE

#7
20240291413
2024-08-29

MULTI-PHASE MOTOR SWITCHING DEVICE AND MULTI-PHASE MOTOR

#8
20240204706
2024-06-20

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#9
20240048005
2024-02-08

SYSTEMS AND METHODS FOR A SEGMENTED ELECTRIC MOTOR

#10
20240039446
2024-02-01

VARIABLE TORQUE MOTOR/GENERATOR/TRANSMISSION

#11
20230299631
2023-09-21

ELECTRIC MOTOR

#12
20230283214
2023-09-07

Motor driving apparatus

#13
20230198445
2023-06-22

N-PHASE ELECTRIC MACHINE WITH CONFIGURABLE WINDINGS

#14
20230054487
2023-02-23

Systems and methods for a segmented electric motor

#15
20230006593
2023-01-05

Variable torque motor/generator/transmission

#16
20220302865
2022-09-22

Variable torque motor/generator/transmission

#17
20220302864
2022-09-22

SWITCHED RELUCTANCE MACHINE HAVING A SWITCH FOR CHANGING THE NUMBER OF TURNS

#18
20220286073
2022-09-08

TRACTION MOTOR HAVING A SWITCH FOR CHANGING THE NUMBER OF TURNS

#19
20210320606
2021-10-14

Variable torque motor/generator/transmission

#20
20210257949
2021-08-19

Variable torque motor/generator/transmission

#21
20210211083
2021-07-08

Electronic transmission system

#22
20210083612
2021-03-18

Electric drive system with reconfigurable machine windings

#23
20200144952
2020-05-07

Dynamically reconfigurable motors and generators and systems with efficiency optimization

#24
20200076345
2020-03-05

Variable coil configuration system control, apparatus and method

#25
20200067441
2020-02-27

METHOD FOR CONTROLLING THE SPEED OF A MOTOR

#26
20200044594
2020-02-06

Brushless motor

#27
20190348941
2019-11-14

ELECTRIC-MOTOR DRIVING APPARATUS, REFRIGERATION CYCLE APPARATUS, AND AIR CONDITIONER

#28
20190319569
2019-10-17

Motor controllers and methods for controlling drive circuit bypass signals

#29
20190068102
2019-02-28

Variable torque motor/generator/transmission

#30
20190013759
2019-01-10

Variable torque motor/generator/transmission

#31
20180262132
2018-09-13

AC motor systems with drive circuits and methods of use

#32
20180175769
2018-06-21

Electrical Drive Unit

#33
20180138850
2018-05-17

Variable torque motor/generator/transmission

#34
20180048254
2018-02-15

Variable torque motor/generator/transmission

#35
20180034401
2018-02-01

Dynamically reconfigurable motors and generators and systems with efficiency optimization

#36
20180013371
2018-01-11

Hydride generation system

#37
20180006592
2018-01-04

SWITCHED RELUCTANCE MOTOR AND METHOD THEREFORE

#38
20170310263
2017-10-26

Apparatus and methods of controlling electric drive with reconfigurable winding

#39
20170229993
2017-08-10

Multiple phase electric machine, drive and control

#40
20170040920
2017-02-09

Variable torque motor/generator/transmission

#41
20160301348
2016-10-13

Dynamically reconfigurable motors and generators and systems

#42
20160233811
2016-08-11

Drive unit and transport machine

#43
20160141996
2016-05-19

Electric motor system for vehicles and method of adjusting coil winding number of electric motor for vehicles

#44
20160090960
2016-03-31

Multiphase induction motor with configurable windings

#45
20160090959
2016-03-31

Nine phase induction motor starter/alternator

#46
20160056747
2016-02-25

Dynamically reconfigurable motor and generator systems

#47
20150326165
2015-11-12

AC motor with stator winding tap and methods for starting an AC motor with a variable speed drive

#48
20150311850
2015-10-29

ELECTRIC MOTOR DRIVE SYSTEM AND WINDING SWITCHING METHOD

#49
20150263660
2015-09-17

Multi-speed electric motor

#50
20150244295
2015-08-27

Driving circuit and driving method thereof

#51
20150229244
2015-08-13

DYNAMIC RECONFIGURATION-SWITCHING OF WINDINGS IN AN ELECTRIC MOTOR USED AS A GENERATOR IN AN ELECTRIC VEHICLE

#52
20150012133
2015-01-08

WORKING ROBOT AND ROBOT SYSTEM

#53
20140347903
2014-11-27

Variable coil configuration system, apparatus and method

#54
20140265994
2014-09-18

Dynamically reconfigurable motor and generator systems

#55
20140239876
2014-08-28

ELECTRIC DRIVE WITH RECONFIGURABLE WINDING

#56
20140217946
2014-08-07

Inverter device and motor drive system

#57
20140125269
2014-05-08

WINDING SWITCHING CIRCUIT AND THERMAL PROTECTION FOR DUAL VOLTAGE HERMETIC INDUCTION MOTOR OF HERMETIC COOLING COMPRESSOR

#58
20140009097
2014-01-09

Vehicle control device and control method

#59
20130240808
2013-09-19

Two speed direct drive drawworks

#60
20130176642
2013-07-11

Selectively lowering resistance of a constantly used portion of motor windings in disk drive

#61
20130175966
2013-07-11

DYNAMIC RECONFIGURATION-SWITCHING OF WINDINGS IN A MOTOR USED AS A GENERATOR IN A TURBINE

#62
20130026962
2013-01-31

Methods and systems for controlling a motor

#63
20130002183
2013-01-03

Dynamic configuration of a calculation function that optimizes dynamic reconfiguration-switching of windings in an electric motor

#64
20120229060
2012-09-13

VARIABLE COIL CONFIGURATION SYSTEM, APPARATUS AND METHOD

#65
20120223663
2012-09-06

Controllable direct current motor having a modified characteristic

#66
20120068657
2012-03-22

ELECTRIC MACHINE SYSTEM INCLUDING AN ELECTRIC MACHINE HAVING SWITCHED STATOR WINDINGS

#67
20110309315
2011-12-22

TWO SPEED DIRECT DRIVE DRAWWORKS

#68
20110241592
2011-10-06

Adaptive winding system and control method for electric machines

#69
20110227523
2011-09-22

Direct current motor with independently driven and switchable stators

#70
20110187306
2011-08-04

Method for activating an asynchronous motor

#71
20110140421
2011-06-16

Method for operating a wind turbine, coil arrangement for an electric machine, and controller for a wind turbine

#72
20100310402
2010-12-09

SCREW COMPRESSOR

#73
20080116759
2008-05-22

Adaptive winding system and control method for electric machines

#74
20050269979
2005-12-08

Variable speed motor

#75
16458956
2022-04-26

Hydride generation system

#76
15486727
2017-08-29

Variable torque motor/generator/transmission