ClassID:

217423

H02K16/025 - CPC Classification

Classification description:

Machines with more than one rotor or stator; Machines with one stator and two or more rotors with rotors and moving stators connected in a cascade

Recent Application in this class:
#1
20250379499
2025-12-11

HOMOPOLAR TYPE GENERATORS AND MOTORS

#2
20250297613
2025-09-25

MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#3
20240322661
2024-09-26

DUAL-ROTOR ELECTRICAL MACHINES

#4
20240060495
2024-02-22

FAN AND MOTOR ASSEMBLY FOR AN APPLIANCE SUCH AS A VACUUM CLEANER AND A VACUUM CLEANER HAVING SAME

#5
20230188018
2023-06-15

Dual rotor electrical machines

#6
20220416633
2022-12-29

Transport device

#7
20220376593
2022-11-24

Assembly method for a rotor

#8
20220286032
2022-09-08

Super-synchronous motor/generator

#9
20220263435
2022-08-18

Fan and motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same

#10
20210313868
2021-10-07

Retarder-equipped rotating electrical machine

#11
20210273540
2021-09-02

Dual rotor electrical machines

#12
20210226509
2021-07-22

Electrical power generation from turbine engines

#13
20210021181
2021-01-21

Multi-rotor electrical machine with radial configuration

#14
20200358344
2020-11-12

Thrust producing split flywheel gyroscope method and apparatus

#15
20200350808
2020-11-05

Super-synchronous motor/generator

#16
20200280209
2020-09-03

Electric power transmission system, and manufacturing method for electric power transmission system

#17
20200251970
2020-08-06

Dual rotor electric machine

#18
20200094684
2020-03-26

Electrical differential motor assembly with torque vectoring

#19
20200088283
2020-03-19

Multisection speed/torque compensating electro-mechanical energy-conversion device

#20
20190372442
2019-12-05

Non-mechanical differential coaxial counter-rotating power device

#21
20190113740
2019-04-18

Dual-drive device for sequential scanning, and associated method

#22
20190109526
2019-04-11

Dual-rotor synchronous electrical machines

#23
20190103793
2019-04-04

Magnetic-drive axial-flow fluid displacement pump and turbine

#24
20180358875
2018-12-13

Charging system using wound rotor synchronous motor

#25
20180320696
2018-11-08

Air cooling apparatus having an expander driven by a power transmission using a rotating magnetic field

#26
20170282725
2017-10-05

Drive device for a motor vehicle, motor vehicle

#27
20150340936
2015-11-26

VEHICLE DRIVE APPARATUS

#28
20150194866
2015-07-09

Hybrid electric motor with self aligning permanent magnet and squirrel cage rotors

#29
20150042193
2015-02-12

Electrical system and method for sustaining an external load

#30
20140305246
2014-10-16

Power apparatus having plural rotary motors

#31
20140232233
2014-08-21

Multi-gap rotating electric machine having phase coils formed of substantially U-shaped electric conductor segments

#32
20140232228
2014-08-21

Power transmission apparatus

#33
20140152129
2014-06-05

Double rotor stepping motor

#34
20130278095
2013-10-24

Hybrid induction motor with self aligning permanent magnet inner rotor

#35
20120262016
2012-10-18

Electrical energy and mechanical energy conversion apparatus for vehicles

#36
20120181957
2012-07-19

Energy storage device and operating method

#37
20120146441
2012-06-14

Electrical system and method for sustaining an external load

#38
20120133249
2012-05-31

Fast acceleration reaction force cancelling motor

#39
20120025747
2012-02-02

Method of operating an electromechanical converter, a controller and a computer program product

#40
20100269770
2010-10-28

Electric valve timing control device of internal combustion engine

#41
20100237731
2010-09-23

Orbital magnetic speed change

#42
20100219706
2010-09-02

Power transmission apparatus

#43
20090261770
2009-10-22

Controller for motor

#44
20080284256
2008-11-20

Plastics injection-molding machine with integrated, linear-rotary direct drive

#45
20070182263
2007-08-09

Hybrid Induction Motor

#46
20060049710
2006-03-09

Single phase induction motor

#47
20050115352
2005-06-02

Motor, robot, substrate loader, and exposure apparatus

#48
20050077800
2005-04-14

Electromechanical converter

#49
14615091
2017-11-21

Electrical generator or motor with variable coil winding patterns exhibiting multiple wires incorporated into a plurality of independent three stage coil configurations and incorporating a belt drive arrangement exhibiting first and second rotating pully wheels in combination with opposite belt rotating magnet and coil supporting components for providing increased power output

#50
14608974
2018-02-27

Electrical generator or motor with variable coil winding patterns exhibiting multiple wires incorporated into a plurality coil configurations defined around a rotor and incorporating a gearbox arrangement exhibiting oppositely driven rotor and stator gears configured with multi-tiered reversing gears exhibiting both straight and helical patterns and for varying turning ratios for establishing either of acceleration or deceleration aspects for increased power output

#51
14603050
2018-02-27

Electrical induction motor with reconfigured rotor mounted commutators for receiving an armature current from a stator mounted brush component along with a reversing gear arrangement for driving a pair of opposite gear rings