ClassID:

217463

H02K19/20 - CPC Classification

Classification description:

Synchronous motors or generators; Synchronous generators having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators with variable-reluctance soft-iron rotors without winding

Recent Application in this class:
#1
20210152065
2021-05-20

Synchronous electrical machine with rotor having angularly shifted portions

#2
20210146379
2021-05-20

Centrifugal separator having a generator for generating an electric current

#3
20190305616
2019-10-03

Rotor for a reluctance machine

#4
20190252960
2019-08-15

ELECTRIC MOTOR DRIVE SYSTEM FOR POWERING VEHICLE WHEELS

#5
20180248456
2018-08-30

HOMOPOLAR ENERGY CONVERSION MACHINE

#6
20180183298
2018-06-28

Dual purpose no voltage winding design for bearingless AC homopolar and consequent pole motors and an AC homopolar flywheel energy storage system

#7
20170373624
2017-12-28

Generator and method for controlling a generator

#8
20170264176
2017-09-14

Rotary electrical machine with homopolar structure

#9
20170214285
2017-07-27

Electric machine

#10
20170126158
2017-05-04

Doubly stator-fed synchronous generator

#11
20160181899
2016-06-23

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

#12
20140300227
2014-10-09

Electromechanical flywheels

#13
20140292134
2014-10-02

Rotating electrical machine

#14
20140125156
2014-05-08

Wound field flux switching machine with sinusoidal back electromotive force

#15
20140084714
2014-03-27

Homopolar motor-generator

#16
20130002077
2013-01-03

ELECTRICAL ENERGY MULTIGENERATOR

#17
20120326652
2012-12-27

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

#18
20120019083
2012-01-26

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

#19
20110210626
2011-09-01

Transverse flux motor as an external rotor motor and drive method

#20
20110001376
2011-01-06

Brushless alternator

#21
20100127594
2010-05-27

Inductor-type synchronous machine

#22
20100052626
2010-03-04

Brushless high-frequency alternator and excitation method for DC, single-phase and multi-phase AC power-frequency generation

#23
20100026103
2010-02-04

DRIVING OR POWER GENERATING MULTIPLE PHASE ELECTRIC MACHINE

#24
20090072676
2009-03-19

ROTATING ELECTRIC MACHINE HAVING SWITCHED OR VARIABLE RELUCTANCE WITH FLUX TRANSVERSE TO THE AXIS OF ROTATION

#25
20080197740
2008-08-21

Modular motor or alternator assembly

#26
20080174195
2008-07-24

Brushless high-frequency alternator and excitation method for three-phase AC power-frequency generation

#27
20080143115
2008-06-19

Electric power generation using power turbine aft of LPT

#28
20080001491
2008-01-03

Superconducting rotating machines with stationary field coils

#29
20070278887
2007-12-06

Single field rotor motor

#30
20070152623
2007-07-05

Variable reluctance electric power system

#31
20070120435
2007-05-31

Electromechanical device having three-dimensional stator laminations

#32
20060028085
2006-02-09

Superconducting rotating machines with stationary field coils

#33
17714846
2022-11-22

Homopolar multi-core energy conversion device

#34
15629166
2018-10-23

Electric drive system enhancement using a DC-DC converter