ClassID:

216788

H02H7/0811 - 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 for dc motors

Recent Application in this class:
#1
20250385624
2025-12-18

POWER CONDITIONING SYSTEM FOR REDUCED-VOLTAGE SOFT STARTERS CONFIGURED TO OPERATE WITH LONG SHIELDED LOAD CABLES

#2
20250158387
2025-05-15

IN-VEHICLE INTERRUPTING CURRENT SUPPLY DEVICE

#3
20250007276
2025-01-02

TORQUE PROTECTION MECHANISM FOR BRUSHLESS MOTORS

#4
20230412111
2023-12-21

Method for protecting motor from overheating

#5
20230174352
2023-06-08

High-safety electric capstan

#6
20210305923
2021-09-30

Protection circuit for an electric motor with a single-phase winding, an electric centrifugal pump and an oil mist separator with such a protection circuit

#7
20190140573
2019-05-09

Half-bridge inverter modules with advanced protection through high-side to low-side control block communication

#8
20180351348
2018-12-06

Protection circuit for brushless DC motor, and control device

#9
20180123495
2018-05-03

Half-bridge inverter modules with advanced protection through high-side to low-side control block communication

#10
20170040917
2017-02-09

Direct-current motor control device

#11
20160197602
2016-07-07

Method for protecting a controllable semiconductor switch from overload and short-circuiting in a load circuit

#12
20160087419
2016-03-24

Over-current protection method and circuit for a DC inverter

#13
20150145450
2015-05-28

Control circuit for a DC motor

#14
20140240874
2014-08-28

Traction motor drive system for a locomotive

#15
20140232352
2014-08-21

Method and device to monitor the current of a battery-operated handheld power tool

#16
20140168826
2014-06-19

ACTUATING MODULE FOR AN ELECTRIC VACUUM PUMP

#17
20140132295
2014-05-15

Drive failure protection

#18
20130271881
2013-10-17

Protective circuit in a windscreen wiper drive and windscreen wiper drive

#19
20130152817
2013-06-20

Traction motor drive system for a locomotive

#20
20120293895
2012-11-22

Protection circuit for brushed DC motor

#21
20120200245
2012-08-09

Brushless DC motor

#22
20120194202
2012-08-02

Drive failure protection

#23
20120016531
2012-01-19

Method and system for power quality protection

#24
20090059445
2009-03-05

Overload current control circuit for a DC motor

#25
20070238362
2007-10-11

Electrical fault detection

#26
20070229011
2007-10-04

Circuit arrangement and method for adjusting the power consumption of a load that can be operated by a direct-voltage system

#27
20070075657
2007-04-05

Method of selectable simultaneous/sequential motor drive in a multiple drive circuit including failure detection

#28
20060164767
2006-07-27

Brushless DC motor drive apparatus

#29
17708120
2024-04-23

Tiered electronic protection systems for aerial vehicles