Patents-Review.com
ClassID:

218268 ⎘

H02P7/292 - 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 using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC

Recent Application in this class:
#1
20250125749
2025-04-17

CONTROLLER FOR A MOTORIZED AWNING SYSTEM

 #2
20240052825
2024-02-15

VOLTAGE REGULATION AND SPEED REGULATION CONTROL CIRCUIT OF AN AIR PUMP

 #3
20230182276
2023-06-15

Nail drive method of electric nail gun

 #4
20230147064
2023-05-11

Motor driver circuit for linear motor, positioning device using the same, and hard disk device

 #5
20230113909
2023-04-13

Motor driver circuit for linear motor, positioning device using the same, and hard disk device

 #6
20230084885
2023-03-16

Battery boost converter system

 #7
20230006577
2023-01-05

Control circuit applied to lifting platform and method of controlling the same

 #8
20220337181
2022-10-20

Cross-over distortionless pulse-width modulated (PWM)/linear motor control system

 #9
20220329067
2022-10-13

Motor power supply device

 #10
20220040504
2022-02-10

Electrical control systems for powered air-purifying respirators

 #11
20220032786
2022-02-03

Efficient control system and method for brushless motor with wide working range

 #12
20210351700
2021-11-11

CURRENT BOOST FOR WIRELINE POWERED TOOLS

 #13
20210320599
2021-10-14

Drive system

 #14
20210288587
2021-09-16

AC-DC power supply and motor

 #15
20200235685
2020-07-23

Actuator driving device

 #16
20200212819
2020-07-02

Power supply device

 #17
20200204093
2020-06-25

DC to DC voltage converter and voltage converter control scheme

 #18
20200187347
2020-06-11

Electric power conversion apparatus and electric power steering apparatus using the same

 #19
20200153333
2020-05-14

DC/DC converter control device

 #20
20200083826
2020-03-12

Fault tolerant permanent magnet DC motor drives

 #21
20200021211
2020-01-16

Actuator having two motors and cooling fan module using the same

 #22
20200007054
2020-01-02

Dynamic energy harvesting and variable harvesting force system

 #23
20190348899
2019-11-14

Mid-bus voltage generation via idle phases in a linear motor track system

 #24
20190334461
2019-10-31

Electronic apparatus, control method of electronic apparatus and storage medium

 #25
20190326838
2019-10-24

PULSE WIDTH MODULATION MOTOR CONTROL OF PRESSURIZER PUMP

 #26
20190319523
2019-10-17

Electric drive apparatus, chopper, DC motor, and electric device

 #27
20190288102
2019-09-19

Semiconductor device and control device

 #28
20190210845
2019-07-11

Three speed electronic winch contactor

 #29
20190149073
2019-05-16

Motor drive system including power storage device

 #30
20190132532
2019-05-02

Methods and apparatus for actuator control

 #31
20190131901
2019-05-02

Methods and apparatus for actuator control

 #32
20190103800
2019-04-04

Mid-bus voltage generation via idle phases in a linear motor track system

 #33
20190081563
2019-03-14

Precision control device for regulating a DC load, and electrical assembly comprising the control device

 #34
20170297045
2017-10-19

SYSTEM FOR REGULATING THE POWER SUPPLY FOR THE MOTOR OF AN AIRLESS PAINT SPRAY PUMP

 #35
20160281380
2016-09-29

Method and apparatus for communicating over a two-wire power cable between an external power supply and a self-propelled robotic swimming pool cleaner

 #36
20150214877
2015-07-30

Power supply system for a direct-current drive and method for safety-related disconnection of a direct-current drive

 #37
20140077730
2014-03-20

Electric bicycle driving apparatus

 #38
20130249458
2013-09-26

Universal control unit for brushed or brushless DC motor

 #39
20120262101
2012-10-18

CONTROL SYSTEMS AND METHODS FOR ELECTRONICALLY COMMUTATED MOTORS

 #40
20120146564
2012-06-14

Low loss low noise motor control system

 #41
20110309816
2011-12-22

AC voltage controller

 #42
20110148338
2011-06-23

ENERGY SAVING ELECTRONIC DEVICE, HEAT DISSIPATING FAN POWER CONTROL SYSTEM AND CONTROL METHOD THEREOF

 #43
20100027978
2010-02-04

Voltage regulated DC supply circuit for a wire feed drive system

 #44
20090185403
2009-07-23

Controller for electrically adjustable furniture

 #45
18510028
2024-10-08

Fan drive system and fan

 #46
15962357
2019-07-09

Dynamic energy harvesting and variable harvesting force system