ClassID:

217464

H02K19/22 - CPC Classification

Classification description:

Synchronous motors or generators; Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators

Sub-classes:
Recent Application in this class:
#1
20230043602
2023-02-09

Wet and dry cavity generator systems and methods of manufacturing the same

#2
20210194305
2021-06-24

Wet and dry cavity generator systems and methods of manufacturing the same

#3
20190334424
2019-10-31

Rotary electrical machine drive system

#4
20190319521
2019-10-17

ROTOR AND ROTATING ELECTRIC MACHINE INCLUDING ROTOR

#5
20190222079
2019-07-18

Method and apparatus for cooling an rotor assembly

#6
20190214894
2019-07-11

Rotating electric machine

#7
20190207440
2019-07-04

Rotating electric machine

#8
20190173334
2019-06-06

ROTATING ELECTRICAL MACHINE ROTOR

#9
20190131833
2019-05-02

Rotary electrical machine

#10
20190123603
2019-04-25

ROTOR OF ROTATING ELECTRICAL MACHINE

#11
20180342915
2018-11-29

Automotive rotary electric machine

#12
20170264176
2017-09-14

Rotary electrical machine with homopolar structure

#13
20170163113
2017-06-08

Rotating electric machine rotor

#14
20170141657
2017-05-18

Rotor for rotary electric machine

#15
20170021732
2017-01-26

Electric generator for diesel electric locomotive

#16
20160172911
2016-06-16

Rotary electric machine

#17
20160141922
2016-05-19

Generator

#18
20150288228
2015-10-08

Electric current generator/motor with dual stationary/rotating stators and rotor having horseshoe magnet/electromagnetic coils

#19
20150194867
2015-07-09

Motor generator

#20
20140319940
2014-10-30

Orbital motor and generator

#21
20140035427
2014-02-06

Method for producing a stator winding of an electric machine, in particular an AC generator

#22
20130328435
2013-12-12

Method for producing a stator winding of an electric machine, in particular for producing an AC generator

#23
20130277976
2013-10-24

Multi-rotor generator

#24
20130181568
2013-07-18

Brushless starter generator

#25
20120248923
2012-10-04

Rotary electric machine

#26
20120043847
2012-02-23

Electric rotating machine

#27
20120038238
2012-02-16

AC Generator for Vehicle

#28
20110291511
2011-12-01

Axial flux motor and generator assemblies

#29
20110278975
2011-11-17

DECREASED DRAG HIGH EFFICIENCY ELECTRIC GENERATOR

#30
20110221191
2011-09-15

Mechanical regulation of electrical frequency in an electrical generation system

#31
20110148241
2011-06-23

Electric motor

#32
20110018381
2011-01-27

Electric motor

#33
20100295410
2010-11-25

Electrical devices using electromagnetic rotors

#34
20100283336
2010-11-11

Forced-fluid flow ventilating system for rotating electrical machines and rotating electrical machine comprising same

#35
20100117494
2010-05-13

Claw pole generator, especially for bicycle generator hub

#36
20100019614
2010-01-28

SYNCHRONOUS MACHINE AND ALSO METHOD FOR MANUFACTURING SUCH A SYNCHRONOUS MACHINE

#37
20090315329
2009-12-24

Variable speed synchronous generator

#38
20090237038
2009-09-24

DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM

#39
20090230806
2009-09-17

Electric motor

#40
20090160288
2009-06-25

Electrical devices using electronmagnetic rotors

#41
20090160272
2009-06-25

Heat pipe device for cooling a voltage regulator of a rotating electric machine, such as an alternator or an alternator-starter

#42
20090108714
2009-04-30

Bearing and cover assembly for a rotating electrical machine and a rotating electrical machine containing such an assembly

#43
20090102328
2009-04-23

Power generator

#44
20090045686
2009-02-19

Heat pipe-equipped cooling device for a rotating electric machine

#45
20080315697
2008-12-25

Gear integrated generator for wind turbine

#46
20080309188
2008-12-18

Electrical devices with reduced flux leakage using permanent magnet components

#47
20080238242
2008-10-02

DYNAMOELECTRIC MACHINE

#48
20080136272
2008-06-12

Rotating electrical machine

#49
20080079322
2008-04-03

Rotating electrical machine and alternating-current generator

#50
20070290873
2007-12-20

Methods and apparatus for monitoring rotary machines

#51
20070273243
2007-11-29

Automotive alternator having improved structure for effectively cooling field coil

#52
20070252488
2007-11-01

Vehicle alternator

#53
20070241633
2007-10-18

Automotive tandem alternator having reduced axial length and capable of effectively suppressing magnetic leakage

#54
20070236098
2007-10-11

Vehicle alternator

#55
20070182273
2007-08-09

Turbine with constant voltage and frequency output

#56
20070057514
2007-03-15

Vehicle-use generator

#57
20070035270
2007-02-15

Vehicular rotating electrical machine apparatus

#58
20070024150
2007-02-01

Electrical machine having centrally disposed stator

#59
20070018531
2007-01-25

Brushless alternator

#60
20060261688
2006-11-23

Dynamoelectric machine

#61
20060238062
2006-10-26

Current collector ring for a generator having balance resistors

#62
20060113861
2006-06-01

Motor vehicle AC generator having a rotor incorporating a field winding and permanent magnets

#63
20060103246
2006-05-18

Automotive alternator with rotary magnetic fluctuation suppressor

#64
20060082233
2006-04-20

Automotive alternator having water shield for protecting brushes from water damage

#65
20060033394
2006-02-16

Sequentially joined-segment coil for rotary electrical machine

#66
20050151435
2005-07-14

Vehicle generator having circuit protective cover

#67
20050127771
2005-06-16

Generator with output options and low loss windings

#68
20050006978
2005-01-13

Twin coil claw pole rotor with stator phase shifting for electrical machine

#69
20050006975
2005-01-13

Twin coil claw pole rotor with dual internal fan configuration for electrical machine

#70
20050006973
2005-01-13

Twin coil claw pole rotor with five-phase stator winding for electrical machine

#71
20050006972
2005-01-13

Twin coil claw pole rotor with segmented stator winding for electrical machine