ClassID:

217467

H02K19/28 - CPC Classification

Classification description:

Synchronous motors or generators; Synchronous generators characterised by the arrangement of exciting windings for self-excitation

Recent Application in this class:
#1
20250055352
2025-02-13

RECTIFIER ASSEMBLIES

#2
20240141827
2024-05-02

DUAL AXIS ALTERNATOR

#3
20240055962
2024-02-15

BIPOLAR INDUCTION ELECTRIC MACHINE

#4
20220170416
2022-06-02

Dual axis alternator

#5
20200412215
2020-12-31

Excitation system

#6
20200373822
2020-11-26

Field-winding-type rotating electric machine

#7
20200127545
2020-04-23

Electrical power generating system

#8
20200076286
2020-03-05

Rotor with asymmetric energy harvest windings

#9
20190211746
2019-07-11

Dual axis alternator

#10
20190207484
2019-07-04

Apparatuses, methods, and systems for starting an exciterless synchronous generator

#11
20190165630
2019-05-30

Electric machine, activation unit and method for operating an electric machine

#12
20190097501
2019-03-28

Systems and methods for exciterless synchronous machines

#13
20190058382
2019-02-21

Synchronous machine with common motor/generator exciter stage

#14
20180248460
2018-08-30

Drive system with electromagnetic energy transfer

#15
20170149367
2017-05-25

Electromagnetic machine system having current injection for inductive excitation of windings

#16
20160359400
2016-12-08

Dual axis alternator

#17
20160336891
2016-11-17

Field winding type synchronous machine

#18
20160294239
2016-10-06

Magnetless rotating electric machine

#19
20160294238
2016-10-06

Wound field generator system featuring combined permanent magnet generator excitation with exciter stator

#20
20160211786
2016-07-21

Synchronous machine with rechargeable power storage devices

#21
20150097372
2015-04-09

Three phase flux switching generator in a three stage wound field synchronous machine

#22
20150084450
2015-03-26

Rotating electric machine

#23
20150054472
2015-02-26

Acyclic exciter for an alternator

#24
20140285057
2014-09-25

Reluctance motor having inductor pole coils located between adjacent ones of the salient poles of a rotor

#25
20140285053
2014-09-25

Flux controlled PM electric machine rotor

#26
20130313828
2013-11-28

Assembly operating in a variable regime

#27
20110241465
2011-10-06

LOW PROFILE STARTER-GENERATOR

#28
20110133703
2011-06-09

Architecture for dual source electric power generating system

#29
20100295397
2010-11-25

Electromechanical Machine

#30
20100259136
2010-10-14

Rotary electric machine and driving controller for rotary electric machine

#31
20100231181
2010-09-16

Starter-generator with improved excitation

#32
20080211448
2008-09-04

Synchronous machines

#33
20070194572
2007-08-23

Brushless starter-generator with independently controllable exciter field

#34
20060290316
2006-12-28

Field-winding type of synchronous machine

#35
20060066153
2006-03-30

Synchronous machines

#36
20050206352
2005-09-22

Gas turbine engine starter generator that selectively changes the number of rotor poles