H02P7/18 - CPC Classification Index

ClassID:

218251 ⎘

H02P7/18 - CPC Classification

Classification description:

Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power

Sub-classes:

H02P7/20 » using multi-position switch, e.g. drum, controlling motor circuit by means of relays 9
H02P7/22 » using multi-position switch, e.g. drum, controlling motor circuit by means of pilot-motor-operated multi-position switch or pilot-motor-operated variable resistance 10
H02P7/24 » using discharge tubes or semiconductor devices 5
H02P7/30 » using magnetic devices with controllable degree of saturation, i.e. transductors 1
H02P7/32 » using armature-reaction-excited machines, e.g. metadyne, amplidyne, rototrol 0
H02P7/34 » using Ward-Leonard arrangements 3
H02P7/348 » {for changing between series and parallel connections of motors} 0

Recent Application in this class:

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2025-01-02

ELECTRONIC DEVICE INCLUDING DRIVING MECHANISM

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2023-11-30

SYSTEM AND METHOD FOR DETERRING THEFT

20230107795

2023-04-06

System and method for deterring theft

20220368331

2022-11-17

Parasitic pulse cancelation circuit

20210400878

2021-12-30

Modular Power Unit and Tool Using a Modular Power Unit

20210175807

2021-06-10

PARTIAL DC/DC BOOST SYSTEM AND METHOD

20200342728

2020-10-29

System and method for deterring theft

20200313547

2020-10-01

Water area apparatus

20200156345

2020-05-21

Press device and method for controlling press device

#10

20190253010

2019-08-15

Method and apparatus for controlling safety power window

#11

20180290296

2018-10-11

MANIPULATOR SYSTEM, CONTROLLER AND COMPUTER-READABLE STORAGE MEDIUM

#12

20180288846

2018-10-04

Power supply, lamp, and vehicle

#13

20170302218

2017-10-19

System and method for hybrid power generation

#14

20170257047

2017-09-07

Control of alternator with front end accessory drive

#15

20170254337

2017-09-07

Built-in air pump

#16

20170163128

2017-06-08

Actuator having a position sensor

#17

20170079650

2017-03-23

Surgical stapler having current mirror-based motor control

#18

20160368472

2016-12-22

Hybrid work machine

#19

20160272278

2016-09-22

Sensor assembly and drive unit for bicycle and bicycle

#20

20160096709

2016-04-07

Programmable controls for a winch

#21

20150372633

2015-12-24

Power tool

#22

20150357949

2015-12-10

System and method for determining the position of a moving part driven by an electric motor

#23

20150229255

2015-08-13

Method and apparatae for controlling and providing a voltage converter with a pulse-modulated switch

#24

20150227125

2015-08-13

Motor control device and game machine

#25

20150222210

2015-08-06

Generating motor control reference signal with control voltage budget

#26

20150155808

2015-06-04

Fan simulation circuit

#27

20150054429

2015-02-26

Electromotive furniture drive including a power supply device

#28

20130090761

2013-04-11

Motor control device, robot hand, robot, and motor control method

#29

15678651

2019-09-17

Hinge with feedback

#30

15435768

2019-05-14

Flyback mode process harnessing generator action in electric motor