ClassID:

217313

H02K9/14 - CPC Classification

Classification description:

Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle

Sub-classes:
Recent Application in this class:
#1
20260100620
2026-04-09

PERMANENT MAGNET GENERATOR

#2
20250239913
2025-07-24

COOLING SYSTEM FOR SUPERCONDUCTING WIND POWER GENERATOR

#3
20250226728
2025-07-10

ELECTRIC MACHINE HAVING A YOKE WINDING

#4
20250215814
2025-07-03

COOLING GAS RECOVERED FROM A WELL

#5
20250112526
2025-04-03

MOTOR UNIT AND WORKING MACHINE

#6
20250096646
2025-03-20

DRIVE DEVICE

#7
20250050488
2025-02-13

POWER TOOL

#8
20250030316
2025-01-23

ELECTRIC GENERATOR SYSTEM

#9
20240313607
2024-09-19

Electric Machine Frame Fastenerless Covers

#10
20240088751
2024-03-14

MOTOR HAVING COOLING FLOW PATH

#11
20240030760
2024-01-25

MOTOR EFFICIENCY INCREASING STRUCTURE FOR PERMANENT MAGNET MOTOR OF TURBO BLOWER

#12
20240026803
2024-01-25

Cooling gas recovered from a well

#13
20230369944
2023-11-16

Centrifugal Pump Comprising a Drive

#14
20230332608
2023-10-19

Motor assembly for driving a pump or rotary device having a cooling duct

#15
20230328934
2023-10-12

Process integration in electrical power generation

#16
20230318404
2023-10-05

ROTARY ELECTRIC MACHINE

#17
20230223820
2023-07-13

Air extraction and heat dissipation structure for paper

#18
20230223819
2023-07-13

CONTROL SYSTEM FOR ELECTRIC LAWNMOWER AND ELECTRIC LAWNMOWER INCLUDING SAME

#19
20230201989
2023-06-29

Electric tool

#20
20230170749
2023-06-01

STATOR WINDING HEAT SINK CONFIGURATION

#21
20230077647
2023-03-16

Motor Rotor, Motor, and Vehicle

#22
20230040452
2023-02-09

System for cooling a drive device with several electric machines

#23
20230025849
2023-01-26

ELECTRIC MACHINE ASSEMBLY

#24
20230012130
2023-01-12

COMPRESSOR WITH COOLING PUMP

#25
20230007837
2023-01-12

ELECTRIC DRILL AND ELECTRIC TOOL

#26
20220360143
2022-11-10

Motorised respiratory assistance device, with double cooling of the motor equipping the device

#27
20220271694
2022-08-25

RESISTIVE LOAD BANK SYSTEMS

#28
20220220972
2022-07-14

Blower with bearing tube

#29
20220200394
2022-06-23

Rotary electric machine and oil tank for a rotary electric machine

#30
20220158509
2022-05-19

COMPRESSOR

#31
20220103041
2022-03-31

Drive device with circulating airflow

#32
20220077749
2022-03-10

Compact smart electric motor

#33
20220069653
2022-03-03

Compressed motor winding

#34
20210355840
2021-11-18

Aircraft turbine engine equipped with an electrical machine

#35
20210234481
2021-07-29

MOTOR BRAKING COIL FOR A POWER TOOL

#36
20210234436
2021-07-29

Cooling assembly for an electric machine

#37
20210222696
2021-07-22

Motor assembly for driving a pump or rotary device having a cooling duct

#38
20210071652
2021-03-11

Inflator with motor fixing ring

#39
20210067005
2021-03-04

Rotor assembly for an electrodynamic machine that minimizes mechanical stresses in cooling ducts

#40
20210039797
2021-02-11

Drive device for an aircraft with electric machine and cooling device

#41
20210039215
2021-02-11

Fan-equipped motor

#42
20200412207
2020-12-31

Cooling jacket and cooling unit

#43
20200358335
2020-11-12

Drive, comprising an electric motor with a brake, a fan cowl, and a rod for manually actuating the brake, and process for manufacturing a drive

#44
20200358325
2020-11-12

Electrical machines with liquid cooling

#45
20200328643
2020-10-15

Compressed motor winding

#46
20200274417
2020-08-27

SERVO AIR-KOOL SYSTEM

#47
20200189064
2020-06-18

Electric tool

#48
20200144895
2020-05-07

Air-Cooled Electric Motor

#49
20200127535
2020-04-23

Drive device

#50
20200124056
2020-04-23

Electric water pump

#51
20190368502
2019-12-05

System having machine and fan with an axial flow inducer

#52
20190334418
2019-10-31

Positive airway pressure device including blower and support system therefor

#53
20190260267
2019-08-22

Electrical machine cooled by a dual-flow impeller

#54
20190252945
2019-08-15

Cooling arrangement and method for power tool

#55
20190245414
2019-08-08

Stator assembly for cooling an electric motor

#56
20190226135
2019-07-25

Heat dissipation apparatus for sewing machines

#57
20190214882
2019-07-11

Sleeve and shaft for an electrical machine

#58
20190109512
2019-04-11

Electrical machines and methods of assembling the same

#59
20190103780
2019-04-04

Stator winding heat sink configuration

#60
20190058374
2019-02-21

Axial gap rotary electric machine

#61
20190052147
2019-02-14

Motor assembly

#62
20190044407
2019-02-07

Rotating electric machine and rotating electric machine production method

#63
20190006915
2019-01-03

Air cooling filter for electric motor and relevant mounting support

#64
20190003488
2019-01-03

Electric centrifugal compressor of a turbine engine or aircraft

#65
20180309343
2018-10-25

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

#66
20180252219
2018-09-06

Electric motor comprising pressing cooling air conveyance and method for cooling components of the electric motor

#67
20180245598
2018-08-30

Turbo Fan

#68
20180191217
2018-07-05

Compressed motor winding

#69
20180183281
2018-06-28

Compressor

#70
20180131248
2018-05-10

Drive device with circulating airflow

#71
20180123430
2018-05-03

Motor with control device and heat sink and intermediate thermal insulation layer in-between

#72
20180099372
2018-04-12

Electric tool

#73
20180076693
2018-03-15

Electric motor having improved cooling

#74
20180013333
2018-01-11

Fan-cooled electric machine

#75
20180006530
2018-01-04

Method for cooling a generator

#76
20180006517
2018-01-04

Motor air flow cooling

#77
20170373547
2017-12-28

Rotary electric machine

#78
20170363024
2017-12-21

Turbocharger

#79
20170346368
2017-11-30

Electric motor having a tangential architecture with improved air cooling

#80
20170331339
2017-11-16

Stator winding heat sink configuration

#81
20170194833
2017-07-06

Motor assembly

#82
20170190244
2017-07-06

Module for a motor vehicle having an electric machine and a clutch actuating device

#83
20170179785
2017-06-22

Motor frame

#84
20170110938
2017-04-20

Motor structure capable of dissipating heat therein

#85
20170104390
2017-04-13

Motor structure capable of dissipating heat therein

#86
20170098980
2017-04-06

Motor with heat dissipation structure

#87
20170070124
2017-03-09

Motor with heat dissipation structure

#88
20170037907
2017-02-09

Rotation mechanism, machine tool, and semiconductor manufacturing device

#89
20170025928
2017-01-26

Induction motors

#90
20170012500
2017-01-12

Electric machine having rotor and stator cooling assembly

#91
20170012487
2017-01-12

Electrical machine having a frame and sleeve

#92
20160380514
2016-12-29

BRUSHLESS ELECTRICAL MACHINE WITH AIR COOLING

#93
20160261171
2016-09-08

Drive apparatus for a wheel of a work machine

#94
20160237964
2016-08-18

HEAT TRANSFER SYSTEM AND METHOD OF MAKING AND USING THE SAME

#95
20160226343
2016-08-04

METHOD OF OPERATING A DRIVE DEVICE FOR A MOTOR VEHICLE, AND CORRESPONDING DRIVE DEVICE

#96
20160204680
2016-07-14

Electric machine with combined air and water cooling

#97
20160204676
2016-07-14

Electrical machine and controller and methods of assembling the same

#98
20160178285
2016-06-23

Motor stator cooling with dual coolant two-phase heat exchanger

#99
20160134174
2016-05-12

Heat dissipation apparatus for motors

#100
20160105081
2016-04-14

Radially adaptable phase lead connection

#101
20160102676
2016-04-14

Fan and method of cooling a motor

#102
20160056682
2016-02-25

Electric machine with rotor, stator and housing cooling passages

#103
20150349609
2015-12-03

Fan assembly for cooling electric machine and electric machine incorporating same

#104
20150340929
2015-11-26

Motor, pump, and method for manufacturing motor

#105
20150303755
2015-10-22

Compressed motor winding

#106
20150295472
2015-10-15

Structure for attaching cooling fan

#107
20150295471
2015-10-15

Self-cooled motor

#108
20150263591
2015-09-17

Active cooling of a motor having an integrated cooling channel

#109
20150256045
2015-09-10

Multi-directional air cooling of a motor using radially mounted fan and axial/circumferential cooling fins

#110
20150222160
2015-08-06

Cooling device for electric motor and electric motor

#111
20150211548
2015-07-30

Motor

#112
20150207378
2015-07-23

Cooling jacket comprising a sealing means

#113
20150188392
2015-07-02

Active cooling of a motor

#114
20150145356
2015-05-28

Versatile cooling housing for an electrical motor

#115
20150130386
2015-05-14

Methods and apparatus for a motor

#116
20150078935
2015-03-19

Air compressor with improved cooling performance

#117
20150069885
2015-03-12

Motor assembly with integrated cooling means and enclosed compartment for electronic circuitry

#118
20150069861
2015-03-12

Electric machine with rotor interior ventilation

#119
20150001971
2015-01-01

Stator winding heat sink configuration

#120
20140306559
2014-10-16

Rotating electrical machine

#121
20140265738
2014-09-18

Electrical machines and methods of assembling the same

#122
20140265664
2014-09-18

Air-cooled electric machine and method of assembling the same

#123
20140252895
2014-09-11

Radial blower air guide, system, and method of cooling

#124
20140217840
2014-08-07

External cooling tube arrangement for a stator of an electric motor

#125
20140145529
2014-05-29

Motor air flow cooling

#126
20140140872
2014-05-22

Electric motor

#127
20140117797
2014-05-01

Dynamoelectric machine comprising a self-supporting housing

#128
20140101926
2014-04-17

Blower with bearing tube

#129
20140062232
2014-03-06

Fan and electric machine assembly and methods therefor

#130
20140062227
2014-03-06

Apparatus and method for induction motor heat transfer

#131
20140021812
2014-01-23

Induction motor auxiliary cooling system

#132
20130342051
2013-12-26

Air cooled electric motor

#133
20130234541
2013-09-12

Electric motor configured for facilitated washability

#134
20130221774
2013-08-29

Cooling of an electric machine

#135
20130200733
2013-08-08

Power tool

#136
20130181554
2013-07-18

Motor assembly and pump apparatus including a cooling fan for cooling an inverter

#137
20130119796
2013-05-16

Rotary electric machine

#138
20130119795
2013-05-16

Totally-enclosed fan-cooled motor

#139
20130106322
2013-05-02

DIAL SWITCH FOR MOTOR CONTROL

#140
20130106321
2013-05-02

Human-machine interface for motor control

#141
20130106217
2013-05-02

Electric motor with multiple power access

#142
20130093272
2013-04-18

Rotary electric machine having motor cover with exhaust hole in counter-load side direction

#143
20130082550
2013-04-04

Motor assembly with integrated cooling means and enclosed compartment for electronic circuitry

#144
20130076172
2013-03-28

Electric Motor

#145
20130062976
2013-03-14

Machines and methods and assembly for same

#146
20130028751
2013-01-31

Shaft mounted geared fan for operating motors and method of assembling such motors

#147
20130026866
2013-01-31

Rotating electrical machine

#148
20130009497
2013-01-10

MOTOR HOUSING WITH AN AIR-COOLING CAPABILITY

#149
20120266613
2012-10-25

Thermal system having electrical device

#150
20120266612
2012-10-25

THERMAL SYSTEM HAVING ELECTRICAL DEVICE

#151
20120248903
2012-10-04

Superconducting machines

#152
20120133223
2012-05-31

Brushless DC motor structure having a fan radiator for dissipating heat from the motor and the controller

#153
20120062057
2012-03-15

Traction motor

#154
20120056435
2012-03-08

Wind turbine and a direct-drive generator

#155
20120049535
2012-03-01

Wind turbine and a direct-drive generator

#156
20120017228
2012-01-19

Motor having a disk support member and a disk drive device having the same

#157
20120001503
2012-01-05

Electric motor having heat pipes

#158
20110266898
2011-11-03

Cooling system for a motor and associated electronics

#159
20110248583
2011-10-13

Power Transmission Tool And System

#160
20110181138
2011-07-28

Totally enclosed motor

#161
20110175468
2011-07-21

Electric rotating machine

#162
20110100253
2011-05-05

Vehicle drive apparatus

#163
20110074254
2011-03-31

Electric motor having a rain guard

#164
20110074235
2011-03-31

Air cooled electric motor

#165
20110074234
2011-03-31

Heat dissipating device of an electromotor

#166
20110068644
2011-03-24

Induction motor ventilated heat shield for bearings

#167
20110037353
2011-02-17

METHOD FOR MANUFACTURING THE FRAME OF AN ELECTRIC MACHINE, AN ELECTRIC MACHINE AND A FRAME OF AN ELECTRIC MACHINE

#168
20110025142
2011-02-03

Electrical device

#169
20110001368
2011-01-06

Power tool

#170
20100237722
2010-09-23

Motor connecting box and converter motor

#171
20100225184
2010-09-09

SERVO MOTOR WITH IMPROVED HEAT DISSIPATION EFFICIENCY

#172
20100201211
2010-08-12

Electric motor and series of electric motors

#173
20100194231
2010-08-05

Compressed motor winding

#174
20100194218
2010-08-05

Stator winding heat sink configuration

#175
20100189554
2010-07-29

APPARATUS FOR REGULATED DELIVERY OF A GAS, IN PARTICULAR BREATHING APPARATUS

#176
20100187922
2010-07-29

Motor air flow cooling

#177
20100150748
2010-06-17

Method of installing a permanent magnet motor in a cooling tower and a shroud used in connection therewith

#178
20100140952
2010-06-10

Cooling system and wind turbine incorporating same

#179
20100079946
2010-04-01

Air cooling system including airflow deflector for electric drive machine

#180
20100059056
2010-03-11

Brushless DC motor with bearings

#181
20100047091
2010-02-25

Motor-pump unit

#182
20090291004
2009-11-26

FAN FOR AN APPARATUS FOR THE REGULATED DELIVERY OF A GAS, IN PARTICULAR OXYGEN

#183
20090289513
2009-11-26

Cooling system for a motor and associated electronics

#184
20090208351
2009-08-20

Device with a drum with a drive motor mounted therein

#185
20090200878
2009-08-13

Power transmission tool and system

#186
20090146516
2009-06-11

Inner rotor brushless motor

#187
20090108715
2009-04-30

Device for cooling an electrical machine and electrical machine having such a cooling device

#188
20090026893
2009-01-29

Housing for an electrical machine

#189
20090015079
2009-01-15

Drive unit for hand-held power tool

#190
20080304986
2008-12-11

Blower with bearing tube

#191
20080265699
2008-10-30

PERMANENT MAGNET GENERATOR WITH AN INTEGRAL COOLING SYSTEM AND INTERGRAL VOLTAGE REGULATION

#192
20080136269
2008-06-12

Rotary electric machine

#193
20080116754
2008-05-22

Devices, systems, and methods for producing an electric motor

#194
20080042502
2008-02-21

Semi-enclosed AC motor

#195
20080036314
2008-02-14

Totally-enclosed fan-cooled motor

#196
20080030087
2008-02-07

Electromotor

#197
20070296286
2007-12-27

Powered Hand Tool

#198
20070284954
2007-12-13

Totally enclosed fan cooled motor

#199
20070273220
2007-11-29

APPARATUS FOR CONTROLLER-INTEGRATED MOTOR

#200
20070210661
2007-09-13

Electric motor and series of electric motors

#201
20070205676
2007-09-06

Fan, motor and impeller thereof

#202
20060284511
2006-12-21

Enhanced electrical machine cooling

#203
20060261686
2006-11-23

Air-cooled electric motor

#204
20060226717
2006-10-12

Fully-enclosed fan-cooled motor

#205
20060066155
2006-03-30

Method and system for cooling a motor or motor enclosure

#206
20060007778
2006-01-12

Blender with cooling/muffling functions

#207
20050264111
2005-12-01

Hub unit for use in electrically movable wheels and vehicle comprising the hub unit

#208
20050220637
2005-10-06

Fan shroud for pump

#209
20050194847
2005-09-08

Electric machine with thermosiphon-type cooling system

#210
20050104458
2005-05-19

Housing for an electric machine with auxiliary ventilation

#211
20050067906
2005-03-31

Electric machine

#212
18537775
2024-11-12

Heat activated multiphase fluid-operated pump for motor temperature control

#213
17662033
2023-02-28

Process integration in electrical power generation

#214
17471636
2024-05-21

Heat activated multiphase fluid-operated pump for battery temperature control

#215
14473267
2015-11-10

Fan shroud for pump