ClassID:

138376

F01P7/048 - CPC Classification

Classification description:

Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives

Recent Application in this class:
#1
20260117694
2026-04-30

SNOW GROOMER

#2
20250163842
2025-05-22

FAN SPEED CONTROL SYSTEM FOR ENGINE COOLING

#3
20240410310
2024-12-12

METHOD AND CONTROL ARRANGEMENT FOR CONTROLLING OPERATION OF A FAN IN A COOLING SYSTEM OF A VEHICLE

#4
20230374930
2023-11-23

Apparatus and method for fan soft-start controller

#5
20230243289
2023-08-03

METHOD FOR PROMOTING REGENERATION OF EXHAUST AFTERTREATMENT COMPONENTS OF INTERNAL COMBUSTION ENGINES

#6
20230235694
2023-07-27

Fan speed control system for engine cooling

#7
20230184155
2023-06-15

Vehicle air intake screen maintenance systems and methods

#8
20230067487
2023-03-02

APPARATUS AND METHOD FOR FAN SOFT-START CONTROLLER

#9
20220381177
2022-12-01

Vehicle air intake screen maintenance systems and methods

#10
20220290605
2022-09-15

Cooling fan control device, cooling device, and cooling fan control method

#11
20220266680
2022-08-25

Method and system for vehicle cooling systems

#12
20220153340
2022-05-19

Electric motor and control unit cooling system

#13
20220145792
2022-05-12

System and method using fan control to assist vehicle braking

#14
20220074338
2022-03-10

Control system and method for a fan

#15
20210388752
2021-12-16

Apparatus for controlling engine cooling of a vehicle, a system having the same and a method thereof

#16
20210079832
2021-03-18

Hybrid apparatus for controlling the rotation of a fan for cooling the cooling fluid of a vehicle

#17
20200248612
2020-08-06

Plural-fans driving apparatus

#18
20200240314
2020-07-30

Vehicle drive-force transmitting apparatus

#19
20200215875
2020-07-09

Dynamic fan speed control for aerodynamic drag reduction

#20
20200180600
2020-06-11

Vehicle noise reduction for vehicle occupants

#21
20200173340
2020-06-04

System and method for a variable speed cooling fan on a skid mounted compressor

#22
20200088087
2020-03-19

Fan speed control algorithm for engine cooling

#23
20200049056
2020-02-13

Cooling system of a vehicle and a method of controlling the cooling system

#24
20190257239
2019-08-22

Method of pre-heating a internal combustion engine by oil and jacket water cooler

#25
20190241060
2019-08-08

Control System Of Blowing Means For Construction Machines

#26
20190203632
2019-07-04

Systems and methods for controlling airflow through a power steering system

#27
20190157245
2019-05-23

Semiconductor devices including stacked semiconductor chips

#28
20190143786
2019-05-16

Dynamic fan speed control for aerodynamic drag reduction

#29
20190135099
2019-05-09

Method and device for determining the flow direction of a coolant

#30
20190023101
2019-01-24

Active engine hood venting systems and control logic for operating active hood vents

#31
20180371981
2018-12-27

System and method involving a variable speed cooling fan used with a compressor and an internal combustion engine

#32
20180347447
2018-12-06

COOLING FAN CONTROLLER

#33
20180328261
2018-11-15

Fan speed control system for engine cooling

#34
20180266304
2018-09-20

Cooling device for internal combustion engine of vehicle and control method thereof

#35
20180245504
2018-08-30

Cooling device for internal combustion engine of vehicle and control method thereof

#36
20180245503
2018-08-30

Cooling device for internal combustion engine of vehicle and control method thereof

#37
20180209324
2018-07-26

Cooling fan and active grille shutter control

#38
20180128155
2018-05-10

Cooling apparatus for vehicle

#39
20180111444
2018-04-26

Control apparatus and method for cooling fan of vehicle

#40
20180058303
2018-03-01

Power booster for engine fans

#41
20170350305
2017-12-07

Fan and motor drive device thereof

#42
20170260896
2017-09-14

Condensation control in a charge air cooler by controlling charge air cooler temperature

#43
20170191402
2017-07-06

ENGINE COOLING DUAL FAN SYSTEM WITH EC AND DC MOTORS AND METHOD OF OPERATING

#44
20170167353
2017-06-15

Cooling system for air-cooled engines

#45
20170154873
2017-06-01

Semiconductor devices including stacked semiconductor chips

#46
20170114701
2017-04-27

System and method for controlling an engine cooling fan

#47
20170058755
2017-03-02

Electrically driven cooling system for vehicular applications

#48
20160377359
2016-12-29

Method of cleaning a vehicle heat exchanger

#49
20160258339
2016-09-08

Fan control system and method

#50
20160211723
2016-07-21

Free wheeling motor fan

#51
20160146091
2016-05-26

APPARATUS AND METHOD FOR CONTROLLING COOLING FAN OF VEHICLE

#52
20160123215
2016-05-05

Method and device for operating an engine compartment fan for a motor vehicle

#53
20150365039
2015-12-17

Vehicle cooling-fan motor/inverter system, control method therefor, and program therefor

#54
20150260080
2015-09-17

Amphibious vehicle

#55
20150176469
2015-06-25

System and method for controlling an engine cooling fan

#56
20150107539
2015-04-23

Arrangement and a method for controlling the temperature of air being fed to a vehicle engine

#57
20140303838
2014-10-09

Method for controlling water pump of vehicle and system thereof

#58
20140144218
2014-05-29

Engine cooling system control

#59
20140120820
2014-05-01

Condensation control in a charge air cooler by controlling charge air cooler temperature

#60
20140103847
2014-04-17

Cooling apparatus for internal combustion engine

#61
20130306300
2013-11-21

Liquid-air cooling system

#62
20130255605
2013-10-03

Engine cooling system control

#63
20130255604
2013-10-03

Engine cooling system control

#64
20120328454
2012-12-27

Hybrid fan drive with CVT and electric motor

#65
20120255714
2012-10-11

Hybrid fan drive with electric motor

#66
20120017856
2012-01-26

Systems and methods for avoiding resonances excited by rotating components

#67
20110220042
2011-09-15

Cooling apparatus for water-cooled engine and method of controlling cooling apparatus for water-cooled engine

#68
20110164340
2011-07-07

Normal-condition-off-type protection element and control unit having the normal-condition-off-type protection element

#69
20110132292
2011-06-09

Cooling fan control

#70
20110040445
2011-02-17

Method and apparatus for operating a drive device, in particular an engine cooling fan of a motor vehicle

#71
20110023798
2011-02-03

Electric motor

#72
20100326378
2010-12-30

Electric motor

#73
20100271797
2010-10-28

Car fan controller

#74
20100191416
2010-07-29

Vehicle cooling fan control system and vehicle cooling fan control method

#75
20100122673
2010-05-20

DRIVE UNIT FOR A FAN AND ARRANGEMENT WITH A DRIVE UNIT

#76
20090266313
2009-10-29

Fan system and a method for controlling a fan motor

#77
20090242273
2009-10-01

Drill rig and method for controlling a fan therein

#78
20090241865
2009-10-01

Electric cooling fan control based on known vehicle load conditions

#79
20090211542
2009-08-27

System for controlling the thermal energy of a motor vehicle engine by adjusting the fluid actuators of said system

#80
20090159021
2009-06-25

Cooling fan arrangement at a vehicle

#81
20090155103
2009-06-18

Cooling Fan Module for a Motor Vehicle

#82
20090107424
2009-04-30

System and method for controlling oil temperature of an internal combustion engine in a motor vehicle

#83
20090058210
2009-03-05

Electric motor

#84
20080283000
2008-11-20

MOTOR VEHICLE WITH LINEARLY REGULATED ENGINE FAN

#85
20080264600
2008-10-30

Apparatus for conveying a cooling air flow having a cooling domes

#86
20080260525
2008-10-23

Device For Supplying Pulse Width-Modulated Output Pulses For the Motor of a Fan

#87
20080247879
2008-10-09

Cooling Fan Module for a Motor Vehicle

#88
20080236981
2008-10-02

Smart fan clutch

#89
20080121195
2008-05-29

Vehicle engine system

#90
20080103635
2008-05-01

System and method for electrical power management for a vehicle

#91
20070272173
2007-11-29

Predictive auxiliary load management (PALM) control apparatus and method

#92
20070261648
2007-11-15

Predictive auxiliary load management (PALM) control apparatus and method

#93
20070181356
2007-08-09

Cooling system, control method of the same, and motor vehicle

#94
20070169383
2007-07-26

METHOD AND APPARATUS TO ELEVATE THE ENGINE IDLE TO ALLOW BATTERY CHARGING DURING THE OPERATION OF A SNOW PLOW OR OTHER ACCESSORY

#95
20060196451
2006-09-07

Heat management for an internal combustion engine

#96
20060191500
2006-08-31

Method for controlling cooling fans

#97
20060185626
2006-08-24

Thermal management system and method for a heat producing system

#98
20060180102
2006-08-17

Extended fan run-on

#99
20060150937
2006-07-13

Method for managing the “stop-and-start” mode in a motor vehicle equipped with an internal combustion engine

#100
20060137956
2006-06-29

Device for transmitting the movement to fans, in particular of vehicles

#101
20060131435
2006-06-22

Control device of a vehicle radiator system

#102
20060131120
2006-06-22

Device for transmitting the movement to fans for cooling engines

#103
20060124081
2006-06-15

Reverse fan operation for vehicle cooling system

#104
20060120903
2006-06-08

Electric fan system for vehicle

#105
20060099082
2006-05-11

Multi-speed dual fan module system for engine cooling applications

#106
20050284423
2005-12-29

Engine cooling apparatus

#107
20050280384
2005-12-22

Air delivery system and method

#108
20050254800
2005-11-17

Control system for brushless DC ring motor cooling fan

#109
20050207899
2005-09-22

Fan revolution speed control method

#110
20050205374
2005-09-22

Device for transmission of the movement to cooling fans of engines, equipped with means for stopping the fan in its idle condition

#111
20050126748
2005-06-16

Method of operating a cooling and heating circuit of a motor vehicle

#112
20050109491
2005-05-26

Radiator having a fan in variable rotation speed

#113
20050081801
2005-04-21

Cooling system for an internal combustion engine of a motor vehicle

#114
20050081542
2005-04-21

Method for actuating a fan using a plurality of characteristic curves and a control program for controlling the power of the fan

#115
20050077846
2005-04-14

Electronic variable speed control of dual motor configuration

#116
20050066914
2005-03-31

System and method for controlling fan activation based on intake manifold air temperature and time in an EGR system

#117
20050061263
2005-03-24

Engine cooling system control apparatus for vehicles and method thereof

#118
20050045321
2005-03-03

Control apparatus and control method of vehicle cooling fan

#119
20050016472
2005-01-27

Control system for engine cooling

#120
20050005620
2005-01-13

Electrical fan system for vehicle

#121
16938336
2021-12-14

Cooling system and rim driven fan for engine cooling

#122
10889286
2014-12-09

Fan control system using a microcontroller