ClassID:

217310

H02K9/08 - CPC Classification

Classification description:

Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing

Recent Application in this class:
#1
20260128649
2026-05-07

MOTOR ASSEMBLY HAVING END FRAME COOLING SYSTEM

#2
20260074592
2026-03-12

HEAT DISSIPATION MECHANISM FOR COLD DRINK DISPENSER AND COLD DRINK DISPENSER

#3
20260031671
2026-01-29

STATOR COOLED ELECTRIC MOTOR

#4
20250373121
2025-12-04

AIR-COOLED MOTOR ASSEMBLY WITH HEATSINK

#5
20250373118
2025-12-04

AIR-COOLED MOTOR ASSEMBLY WITH SHROUD

#6
20250286437
2025-09-11

Superconducting Motor with Annular Cryocooler

#7
20250105690
2025-03-27

STATOR AND METHOD OF FABRICATING A STATOR

#8
20250074722
2025-03-06

LINEAR MOTOR CONVEYOR SYSTEM FOR CLEAN/ASEPTIC ENVIRONMENTS

#9
20250007354
2025-01-02

APPARATUS AND METHOD FOR COOLING

#10
20240322652
2024-09-26

POWER GENERATOR COOLER PERFORMANCE MONITORING DEVICE

#11
20240258880
2024-08-01

ROTARY ELECTRICAL MACHINE

#12
20240195266
2024-06-13

ROTOR

#13
20240146161
2024-05-02

MAGNETIC GEARED ELECTRICAL MACHINE, POWER GENERATION SYSTEM, AND DRIVE SYSTEM

#14
20240113584
2024-04-04

ELECTRICAL MACHINE

#15
20240030795
2024-01-25

INDUCTION RECIPROCATING LINEAR MOTOR DEVICE

#16
20230412035
2023-12-21

ELECTRIC MOTOR WITH INTEGRATED INVERTER AND SHARED COOLING SYSTEM

#17
20230406650
2023-12-21

Linear motor conveyor system for clean/aseptic environments

#18
20230396108
2023-12-07

Stator and method of fabricating a stator

#19
20230318405
2023-10-05

Rotary electric machine housing, rotary electric machine, and additive manufacturing method

#20
20230299641
2023-09-21

STATOR ARRANGEMENT WITH A COOLANT SYSTEM AND ELECTRIC MACHINE WITH THE STATOR ARRANGEMENT

#21
20230235696
2023-07-27

E-charger with longitudinal cooling passage

#22
20230163665
2023-05-25

ELECTRIC MACHINE AND METHOD FOR OPERATING SAID MACHINE

#23
20230067843
2023-03-02

Linear motor conveyor system for clean/aseptic environments

#24
20230040452
2023-02-09

System for cooling a drive device with several electric machines

#25
20220263364
2022-08-18

Electric machine cooling systems and methods

#26
20220263357
2022-08-18

Motor, electric tool motor, and electric tool

#27
20220239195
2022-07-28

Cooling system, electric motor and wind-power electric generator set

#28
20220181947
2022-06-09

ENCLOSED ELECTRIC MACHINE WITH EXTERNAL LIQUID COOLING CIRCUIT

#29
20210367482
2021-11-25

Medium conveying and heat exchange device and vortex flow separator for iron core in electromagnetic device

#30
20210288536
2021-09-16

Electric machine cooling systems and methods

#31
20210281135
2021-09-09

Rotor for rotary electric machine

#32
20210156299
2021-05-27

E-charger with longitudinal cooling passage

#33
20210044169
2021-02-11

Electric machine rotor cooling systems and methods

#34
20210028682
2021-01-28

Electromechanical drive system

#35
20210025371
2021-01-28

Wind power generator set, electromagnetic device, and heat exchange or drying device for iron core

#36
20210006127
2021-01-07

ELECTRIC ASSEMBLY AND VEHICLE HAVING THE SAME

#37
20200361722
2020-11-19

Linear motor conveyor system for clean/aseptic environments

#38
20200144896
2020-05-07

System and method for monitoring temperature of rotating electric machine

#39
20200136469
2020-04-30

Electric motor with a heat transfer component, circuit board and a ventilation fan

#40
20200136468
2020-04-30

ELECTRIC MOTOR WITH INTEGRATED MOTOR CONTROLLER

#41
20200112232
2020-04-09

Electric machine with liquid cooling

#42
20200028401
2020-01-23

ROTARY ELECTRIC MACHINE AND TURBINE SYSTEM

#43
20190348882
2019-11-14

Rotary electric machine

#44
20190305643
2019-10-03

Method for cooling an electrical machine, and an electrical machine applying the method

#45
20190245398
2019-08-08

ELECTRIC MACHINE ROTOR COOLING SYSTEMS AND METHODS

#46
20190229586
2019-07-25

Electric machine stator cooling systems and methods

#47
20190199179
2019-06-27

Inspection device and inspection method

#48
20190195740
2019-06-27

Inspection system and inspection method

#49
20190195364
2019-06-27

Shaft sealing device and electric rotary machine

#50
20190190342
2019-06-20

MOTOR FRAME WITH BUMPS

#51
20190190337
2019-06-20

Rotor, rotary electric machine, and compressor

#52
20190165652
2019-05-30

Fluid cooled and fluid insulated electric machine

#53
20190123620
2019-04-25

Electric machine stator cooling systems and methods

#54
20190109503
2019-04-11

Electric machine rotor cooling systems and methods

#55
20190089227
2019-03-21

Rotating electrical machine

#56
20190081529
2019-03-14

Electric motor with at least one coolant channel

#57
20190077004
2019-03-14

Electric power tool

#58
20190052135
2019-02-14

Stator for rotary electric machine

#59
20190044414
2019-02-07

Electric generator cooling method

#60
20180331600
2018-11-15

Electrical machine

#61
20180323672
2018-11-08

Electrical machine and method for manufacturing an electrical machine

#62
20180309343
2018-10-25

Electric motor with rotating first concentric cooling fins and second concentric fins on the housing

#63
20180287463
2018-10-04

ROTARY ELECTRIC MACHINE

#64
20180241276
2018-08-23

EMP Shielded Generator Housing

#65
20180175703
2018-06-21

Rotary electric machine having a turbine having increased negative pressure

#66
20180123428
2018-05-03

Electric motor with improved cooling having v-shaped fins on a rotor facing radially extending fins on a stator

#67
20180100517
2018-04-12

CENTRIFUGAL BLOWER AND VACUUM CLEANER

#68
20180097436
2018-04-05

COOL ACTUATOR

#69
20180076681
2018-03-15

Electric compressor motor housing, and vehicle-mounted electric compressor employing same

#70
20180062484
2018-03-01

SYNCHRONOUS GENERATOR FOR WIND TURBINE

#71
20180006530
2018-01-04

Method for cooling a generator

#72
20170310197
2017-10-26

Electric rotating machine and manufacturing method for electric rotating machine

#73
20170302124
2017-10-19

Pump motor with a heat dissipation containment shell

#74
20170264169
2017-09-14

ELECTRODYNAMIC MACHINE COMPRISING A COOLING DUCT

#75
20170194823
2017-07-06

Axial-gap dynamo-electric machine

#76
20170149308
2017-05-25

Alternator with series fans

#77
20170141652
2017-05-18

Electric machine with air channels

#78
20170141642
2017-05-18

Electric motor comprising a rotor, a stator and an electronic housing as well as fan wheel for an electric motor

#79
20170033632
2017-02-02

Rotor of rotary electric machine

#80
20170018988
2017-01-19

Radial lead seal assembly for a generator and method incorporating the same

#81
20160352173
2016-12-01

Star disk for an electric machine

#82
20160254729
2016-09-01

Fan directing element for an electric machine

#83
20160241111
2016-08-18

Device for deflecting at least a portion of a cooling fluid lowing axially in an intermediate space which is arranged between a rotor and a stator of a rotating electrical machine

#84
20160211726
2016-07-21

Method of achieving variable performance of an electric generator

#85
20160211725
2016-07-21

Variable performance electric generator

#86
20160211724
2016-07-21

Variable performance electric generator

#87
20160211722
2016-07-21

Electric generator with variable maximum efficiency

#88
20160211721
2016-07-21

Electric generator with variable maximum efficiency

#89
20160211718
2016-07-21

Containing casing for a stator of an electric machine and stator assembly using said casing

#90
20160204680
2016-07-14

Electric machine with combined air and water cooling

#91
20160087499
2016-03-24

ELECTRIC MACHINE HAVING AN IMPROVED COOLING OF THE WINDING HEAD

#92
20160073550
2016-03-10

Fan comprising a printed circuit board cooling circuit

#93
20160047359
2016-02-18

Wind turbine generator having an eddy current brake, wind turbine having such a generator, and associated methods

#94
20160020672
2016-01-21

Negative pressure motor sealing

#95
20150381014
2015-12-31

Water-cooled motor

#96
20150318749
2015-11-05

Electrically rotating machine

#97
20150222159
2015-08-06

Internal closed loop cooling

#98
20150207388
2015-07-23

Rotating electric machine having a cooling frame with a plurality of coolants

#99
20150200581
2015-07-16

Monitoring system for an electric machine

#100
20150145382
2015-05-28

Electronic housing for an electric motor with protection against accidental contact

#101
20150137633
2015-05-21

Ventilation structure for AC generator

#102
20150137631
2015-05-21

Drive module for a vehicle

#103
20150115753
2015-04-30

Rotating electric machine including a cooling device for cooling a fluid in the rotating electric machine

#104
20150084445
2015-03-26

Electric machine

#105
20150077933
2015-03-19

Electric machine with closed circuit air cooling

#106
20150076939
2015-03-19

ROTARY MACHINE WITH DIRECT DRIVE

#107
20150069866
2015-03-12

Rotating electric machine including a cooling device for cooling a fluid in the rotating electric machine

#108
20150061416
2015-03-05

Linear motor device

#109
20150028727
2015-01-29

Rotary electric machine including a stator coil end cooling construction and rotor with dual fan blades

#110
20140319940
2014-10-30

Orbital motor and generator

#111
20140306559
2014-10-16

Rotating electrical machine

#112
20140224450
2014-08-14

Solar power plant

#113
20140217840
2014-08-07

External cooling tube arrangement for a stator of an electric motor

#114
20140191597
2014-07-10

Enhanced cooling of enclosed air cooled high power motors

#115
20140175919
2014-06-26

ROTATING ELECTRICAL MACHINE AND HOUSING FOR ROTATING ELECTRICAL MACHINE

#116
20140152154
2014-06-05

Rotary electric machine

#117
20140152138
2014-06-05

Rotor with blade portions and rotating electric machine having the same

#118
20140150437
2014-06-05

Noise attenuation compartment with heat exchanger arrangements for engines driving a load

#119
20140145528
2014-05-29

Axial flux electrical machines

#120
20140110947
2014-04-24

WIND TURBINE GENERATOR HAVING AN EDDY CURRENT BRAKE, WIND TURBINE HAVING SUCH A GENERATOR, AND ASSOCIATED METHODS

#121
20140091680
2014-04-03

Rotary electric machine and bearing changing method

#122
20140070600
2014-03-13

In-wheel actuator and in-wheel assembly comprising the same

#123
20140062227
2014-03-06

Apparatus and method for induction motor heat transfer

#124
20140042842
2014-02-13

Axial gap rotating-electric machine

#125
20140030123
2014-01-30

Electric machine for a hybrid or electric vehicle

#126
20130257197
2013-10-03

Electric machine having efficient internal cooling

#127
20130209239
2013-08-15

Cooling device for electric motor

#128
20130119795
2013-05-16

Totally-enclosed fan-cooled motor

#129
20130098037
2013-04-25

Advanced super-critical COexpander-generator

#130
20120212083
2012-08-23

Cooling of permanent magnet electric machine

#131
20120205995
2012-08-16

Electric generator

#132
20120119603
2012-05-17

Rotor for a turbo generator, and turbo generator comprising a rotor

#133
20120074709
2012-03-29

Method and apparatus for rotor cooling in an electromechanical machine

#134
20120062057
2012-03-15

Traction motor

#135
20110266897
2011-11-03

Electric machine with cooling arrangement

#136
20110241458
2011-10-06

Stator coil coolant flow reduction monitoring

#137
20110181138
2011-07-28

Totally enclosed motor

#138
20110142694
2011-06-16

MOTOR, GAS COMPRESSOR AND AGITATION ELEMENT

#139
20110068644
2011-03-24

Induction motor ventilated heat shield for bearings

#140
20100237725
2010-09-23

Rotating electric machine and drive device

#141
20100189545
2010-07-29

Automated seal oil by-pass system for hydrogen cooled generators

#142
20100187921
2010-07-29

Scavenging concept for a hydrogen cooled generator

#143
20100102656
2010-04-29

Arrangement for cooling of an electrical machine

#144
20100102652
2010-04-29

Arrangement for cooling of an electrical machine

#145
20090273246
2009-11-05

Electrical machine

#146
20090267426
2009-10-29

Liquid-cooled electric machine and method for cooling such electric machine

#147
20090230790
2009-09-17

Electrical machine with an internally cooled rotor

#148
20080136269
2008-06-12

Rotary electric machine

#149
20080073985
2008-03-27

Cooling device of an electrical machine

#150
20080036314
2008-02-14

Totally-enclosed fan-cooled motor

#151
20060279145
2006-12-14

Cooling system for an electrical machine with center rotor cooling dusts

#152
20050285458
2005-12-29

Pressurized air-cooled rotating electrical machine and method of operating the same

#153
14010046
2014-12-30

High efficiency low torque ripple multi-phase permanent magnet machine