ClassID:

217322

H02K9/26 - CPC Classification

Classification description:

Arrangements for cooling or ventilating Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters

Recent Application in this class:
#1
20260025046
2026-01-22

OIL-COOLED DRIVE MOTOR INCLUDING REPLACEABLE OIL FILTER

#2
20260005583
2026-01-01

SMART MODULES FOR A TOP-MOUNTED PLATE COOLER OF A DYNAMOELECTRIC MACHINE

#3
20250381656
2025-12-18

Electric Work Machine

#4
20250264054
2025-08-21

SINGLE-TRANSPORT MOBILE ELECTRIC POWER GENERATION

#5
20250261350
2025-08-14

ALL-IN-ONE POWER SUPPLY APPARATUS, ALL-IN-ONE POWERTRAIN, AND ELECTRIC VEHICLE

#6
20250105705
2025-03-27

MOTOR ARRANGEMENTS, SEMICONDUCTOR PROCESSING SYSTEMS HAVING MOTOR ARRANGEMENTS AND RELATED METHODS OF PURGING MOTOR ARRANGEMENTS IN SEMICONDUCTOR PROCESSING SYSTEMS

#7
20250096645
2025-03-20

COOLANT SUPPLY SYSTEM FOR AN ELECTRIC VEHICLE AXLE DRIVE

#8
20250051678
2025-02-13

MOTOR AND GEARBOX FLUID FORMULATIONS AND USES THEREOF

#9
20250043762
2025-02-06

UNDERWATER FLOW TURBINE

#10
20240421667
2024-12-19

Devices, systems, and methods for reducing magnetic particles in a fluid flow

#11
20240413712
2024-12-12

SUCTION SYSTEM FOR EFFICIENTLY SUCKING UP THE DUST OF A ROTATING ELECTRIC MACHINE IN A POLLUTED ENVIRONMENT

#12
20240401693
2024-12-05

LUBRICATION COOLING SYSTEM FOR AN ELECTRIC DRIVE MODULE AND EFFICIENT THERMAL MANAGEMENT

#13
20240271692
2024-08-15

Lubrication for an electric drive arrangement for a vehicle

#14
20240188269
2024-06-06

LINEAR HEAD MODULE AND ELECTRONIC COMPONENT MOUNTING APPARATUS

#15
20240186866
2024-06-06

MACHINE COOLING CIRCUIT OF AN ELECTRIC MACHINE, OVERALL COOLING CIRCUIT OF A MOTOR VEHICLE, AND MOTOR VEHICLE

#16
20240162787
2024-05-16

MOTOR

#17
20240154501
2024-05-09

MOTOR UNIT

#18
20240154500
2024-05-09

MOTOR AND MOTOR COOLING SYSTEM

#19
20240146154
2024-05-02

ELECTRIC MACHINE WITH A COOLING ASSEMBLY

#20
20240106304
2024-03-28

Air gap scavenging system for oil cooled electric motor

#21
20240106301
2024-03-28

INTERNALLY PRESSURIZED ELECTRIC MOTOR

#22
20240088755
2024-03-14

ELECTRICAL MACHINE AND METHOD FOR CLEANING AN AIR GAP IN AN ELECTRICAL MACHINE

#23
20240022139
2024-01-18

GAS DRYING SYSTEM AND GAS DRIER

#24
20230387754
2023-11-30

DRIVE UNIT

#25
20230387753
2023-11-30

DRIVE UNIT

#26
20230313877
2023-10-05

POWER TRANSMISSION DEVICE

#27
20230304571
2023-09-28

Power transmission device

#28
20230264734
2023-08-24

ELECTRIC POWER STEERING SYSTEM FOR A VEHICLE

#29
20230226679
2023-07-20

Power Working Machine

#30
20230193880
2023-06-22

COOLING SYSTEM

#31
20230109571
2023-04-06

GAS DRYER

#32
20230071523
2023-03-09

Air gap scavenging system for oil cooled electric motor

#33
20230071116
2023-03-09

Single-transport mobile electric power generation

#34
20230059952
2023-02-23

Work machine

#35
20220410055
2022-12-29

FILTERING DEVICE, GENERATOR AND WIND TURBINE GENERATOR SYSTEM

#36
20220337113
2022-10-20

Rotor assembly and method for motor end winding cooling and bearing lubrication

#37
20220239198
2022-07-28

Localized immersion cooling enclosure with thermal efficiency features

#38
20220224204
2022-07-14

Slip ring system with improved cooling

#39
20220185494
2022-06-16

Circulating coolant fluid in hybrid electrical propulsion systems

#40
20220109352
2022-04-07

Oil recovery structure for cooling motor

#41
20220045572
2022-02-10

MOTOR AND EXHAUST METHOD FOR MOTOR CAVITY

#42
20210293164
2021-09-23

Agricultural machine

#43
20210231037
2021-07-29

Machine system for co-production of electrical power and water and method of operating same

#44
20210221218
2021-07-22

Electric wheel assembly applicable for parallelly mounted dual-tire wheel, axle, and vehicle

#45
20210194329
2021-06-24

Electric machine with baffle member for filtering air flow

#46
20210190201
2021-06-24

LUBRICATION DEVICE FOR VEHICLE DRIVE-FORCE TRANSMITTING APPARATUS

#47
20210138386
2021-05-13

Desiccant saturation level monitoring

#48
20210129660
2021-05-06

Drive module with improved efficiency

#49
20210083555
2021-03-18

Method to reduce oil shear drag in airgap

#50
20210066992
2021-03-04

Breather device

#51
20210025324
2021-01-28

Single-transport mobile electric power generation

#52
20210006130
2021-01-07

OPTIMISED OIL PRESSURE REGULATION

#53
20200378281
2020-12-03

Machine having a liquid lubrication system and a shaft

#54
20200373812
2020-11-26

Generator and wind turbine

#55
20200368575
2020-11-26

Systems and methods for cooling an exercise device

#56
20200347725
2020-11-05

Single-transport mobile electric power generation

#57
20200277075
2020-09-03

Circulating coolant fluid in hybrid electrical propulsion systems

#58
20200227970
2020-07-16

Cooled housing

#59
20200216186
2020-07-09

Generator with jet pump having motive fluid for fluidly coupling to a cooling circuit

#60
20200200177
2020-06-25

Drive for a compressor element and water injected compressor device provided with such a drive

#61
20200177052
2020-06-04

Electric unit including a motor, control unit, cooling fan, and a casing, and an operating machine equipped with the electric unit

#62
20200164298
2020-05-28

Air cleaner

#63
20200132055
2020-04-30

Filter system for providing air into a generator of a wind turbine

#64
20200106343
2020-04-02

Motor unit

#65
20200099275
2020-03-26

Air pre-cleaning assembly and electric tool having same

#66
20200003187
2020-01-02

Cooling a wind turbine generator

#67
20190149029
2019-05-16

Vehicle linear motor

#68
20190140521
2019-05-09

Slip ring system and electrical machine having a slip ring system of this kind

#69
20190140518
2019-05-09

Operating a wind turbine generator cooling system

#70
20190081528
2019-03-14

MOTOR, BLOWER, VACUUM CLEANER, AND METHOD OF MANUFACTURING MOTOR

#71
20190027999
2019-01-24

Vehicle main electric motor

#72
20190006915
2019-01-03

Air cooling filter for electric motor and relevant mounting support

#73
20180257026
2018-09-13

Methods and systems for drying hydrogen gas used in hydrogen-cooled generators

#74
20180212491
2018-07-26

Drive device with circulating airflow

#75
20180117527
2018-05-03

ROTATING ELECTRICAL MACHINE GAS DRYER

#76
20180115212
2018-04-26

Electric motor having air purging function

#77
20180088451
2018-03-29

Cooling device

#78
20180080435
2018-03-22

Air-cooled wind power generator system and fluid cooling device

#79
20160305435
2016-10-20

Centrifugal multiblade blower

#80
20160172938
2016-06-16

Methods and systems of air bubble flushing in liquid cooled generators

#81
20160129390
2016-05-12

Methods and systems for drying hydrogen gas used in hydrogen-cooled generators

#82
20150328573
2015-11-19

Angle grinder with air intake filter

#83
20150130304
2015-05-14

Electric machine

#84
20150027743
2015-01-29

Electric power tool

#85
20140319939
2014-10-30

Rotary electric machine

#86
20140312723
2014-10-23

Fan cooled motor with dust cleaning vent

#87
20140300222
2014-10-09

Rotating electrical machine

#88
20140111040
2014-04-24

Brushed rotatory device with collecting structure

#89
20130333573
2013-12-19

Dynamo-electric machine provided with gas purity maintainer

#90
20130113310
2013-05-09

Paper shredder

#91
20130069456
2013-03-21

Electric motor for construction machinery, and cooling circuit for electric motor

#92
20130058850
2013-03-07

Method and device for reducing concentrations of ozone and nitric acid generated in cooling air flowing through circulating airflow paths in rotary electric machines

#93
20130025833
2013-01-31

STATIC DISSIPATING AGENT DISPERSION APPARATUS AND METHOD

#94
20120302147
2012-11-29

Airflow arrangement for a power tool

#95
20120098383
2012-04-26

Electric Machine Having a Brush-Slip Ring Device

#96
20120062057
2012-03-15

Traction motor

#97
20120048240
2012-03-01

Adjusting device

#98
20120045907
2012-02-23

Electrical component structure

#99
20120031435
2012-02-09

SCALING, DEPOSITION AND GENERAL COPPER CORROSION ELIMINATION IN CLOSED COOLING WATER SYSTEMS

#100
20110260458
2011-10-27

Tubular turbine generator unit

#101
20110241352
2011-10-06

Filtering of debris in wind turbines

#102
20110210629
2011-09-01

Scavenging filter system for hydrogen-cooled dynamoelectric machines

#103
20100201129
2010-08-12

Immersible energy generation installation

#104
20100186592
2010-07-29

Air cleaners for electrical machines

#105
20090322168
2009-12-31

Stator of a turbo generator

#106
20090218113
2009-09-03

Electrical hand tool with magnets for absorbing dust

#107
20090151804
2009-06-18

Cooling medium flow path

#108
20080265699
2008-10-30

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

#109
20080148818
2008-06-26

System for monitoring the health of electrical generators and method thereof

#110
20080012437
2008-01-17

Rotary electric machine

#111
20070244601
2007-10-18

System for monitoring the health of electrical generators and method thereof

#112
20070020109
2007-01-25

Cooling medium flow passage

#113
20060156793
2006-07-20

Skids, modules, and modular system for monitoring hydrogen-cooled generators

#114
20060057727
2006-03-16

System for monitoring the health of electrical generators and method thereof

#115
20060005516
2006-01-12

Method and apparatus for filtering air passages in an alternator

#116
20050200215
2005-09-15

Power tool

#117
20050200210
2005-09-15

Apparatus and method for generating electrical power in a borehole

#118
17070006
2022-03-15

Thermal management system and method for cooling a hybrid electric aircraft propulsion system