ClassID:

216806

H02H7/093 - CPC Classification

Classification description:

Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed

Recent Application in this class:
#1
20260142449
2026-05-21

MOTOR CONTROL METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM

#2
20250202403
2025-06-19

DETECTION OF PULSE-WIDTH MODULATION DUTY CYCLE ERRORS

#3
20240314953
2024-09-19

ISOLATING MOTOR CONTROL CENTER BYPASS UNITS AND SYSTEMS

#4
20230366933
2023-11-16

METHOD FOR DETECTING A STRUCTURAL FAULT OF AN ELECTRIC MOTOR

#5
20210408947
2021-12-30

Electrically commutated motor driving device and control method thereof

#6
20190339098
2019-11-07

Fail-safe speed monitoring of a drive

#7
20190265675
2019-08-29

Drive controller and drive system

#8
20190224692
2019-07-25

Method and device for monitoring the rotational speed of an element

#9
20190061724
2019-02-28

Brake apparatus, brake control method, and method for determining lock abnormality in motor

#10
20190052148
2019-02-14

Hardware control for prevention of dangerous restart in a power tool

#11
20190052077
2019-02-14

Hardware control for prevention of dangerous restart in a power tool

#12
20170244351
2017-08-24

Regulating temperature on an actuator

#13
20170170774
2017-06-15

Overload detection in a power tool

#14
20170047728
2017-02-16

Control strategy of a dual lane fault tolerant permanent magnet motor to reduce drag torque under fault condition

#15
20170025848
2017-01-26

Regulating temperature on an actuator

#16
20150381289
2015-12-31

Cooling system control in distributed antenna systems

#17
20150369217
2015-12-24

Method of operating a wind turbine plant

#18
20150288250
2015-10-08

Protective redundant subsystem for power tools

#19
20150103449
2015-04-16

MOTOR PROTECTION DEVICE, MOTOR PROTECTION METHOD, AND MOTOR CONTROL SYSTEM USING THE SAME

#20
20140037294
2014-02-06

Cooling system control in distributed antenna systems

#21
20130238147
2013-09-12

Abnormality diagnosis apparatus for electric pump

#22
20130169199
2013-07-04

Method for determining rotational speed of an electric motor in a power tool

#23
20130082631
2013-04-04

Electric power tool, lock state occurrence determination apparatus, and program

#24
20120319632
2012-12-20

Driving circuit for an EC-motor

#25
20120034065
2012-02-09

Auto power-off and actuation circuit for a fan

#26
20110089878
2011-04-21

Motor drive device with lock protection function

#27
20110058288
2011-03-10

Protective redundant subsystem for power tools

#28
20110056715
2011-03-10

Redundant overspeed protection for power tools

#29
20100319268
2010-12-23

Method for obtaining a criterion for detecting obstacles to the closure of an opening

#30
20100264866
2010-10-21

Motor drive device with lock protection function

#31
20100242363
2010-09-30

Opening-and-closing member drive control apparatus for vehicle

#32
20100188247
2010-07-29

Load Driving Device and Electrical Device Using the Same

#33
20100179733
2010-07-15

Method and device for detecting a jam

#34
20100109590
2010-05-06

Driving device and protection method thereof

#35
20100097732
2010-04-22

Method and apparatus for limiting torque in an electric drive motor

#36
20100031529
2010-02-11

CLOTHES DRYER MOTOR WITH BROKEN BELT SWITCH

#37
20090251085
2009-10-08

Method and system for motor oscillatory state detection

#38
20090237024
2009-09-24

Method and apparatus for pinch protection for a motor-driven closure system

#39
20090237023
2009-09-24

Device for controlling opening/closing body for vehicle

#40
20090206784
2009-08-20

Safety device for power window

#41
20090108786
2009-04-30

Motor protection device and method

#42
20090021204
2009-01-22

Method and apparatus for thermal sensing in an electrically commutated motor

#43
20080315808
2008-12-25

Motor drive device with lock protection function

#44
20080303461
2008-12-11

Method and apparatus for detecting blocking of a direct current motor

#45
20080290828
2008-11-27

SYSTEM AND METHOD FOR DETECTING A STALLED MOTOR

#46
20080239594
2008-10-02

Motor lock detection circuit

#47
20080088989
2008-04-17

Clothes dryer motor with broken belt switch

#48
20080084241
2008-04-10

Load driving device and electrical device using the same

#49
20080061720
2008-03-13

Window opening and closing controller

#50
20080024940
2008-01-31

Overload prevention device for permanent magnet DC motors

#51
20070236846
2007-10-11

Fan protection method and fan system

#52
20070217105
2007-09-20

Electric power network

#53
20070216330
2007-09-20

Control device for a closure member of a vehicle

#54
20070201843
2007-08-30

Electric motor controller

#55
20070153435
2007-07-05

Motor overcurrent protection device

#56
20070133958
2007-06-14

Adjustment device and method for operation of a final control element

#57
20070108929
2007-05-17

Panel member control system

#58
20070066433
2007-03-22

Speed monitoring device

#59
20070052293
2007-03-08

Opening/closing member control apparatus and method for detecting pinching

#60
20070046226
2007-03-01

Motor control apparatus

#61
20070040532
2007-02-22

Motor controller and control method thereof, and error detecting apparatus of inverter

#62
20060293821
2006-12-28

Window opening and closing controller

#63
20060220604
2006-10-05

Opening and closing member control system

#64
20060087789
2006-04-27

Method and apparatus for preventing overheating in an electronically commutated motor assembly

#65
20060066276
2006-03-30

Method for identifying an overload current of an electric drive

#66
20050275363
2005-12-15

Control device of opening and closing member

#67
20050206336
2005-09-22

Control for electric motor in vehicles

#68
20050179409
2005-08-18

Opening and closing body control device

#69
20050110445
2005-05-26

Control for electric motor in vehicles