ClassID:

218200

H02P5/685 - CPC Classification

Classification description:

Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors electrically connected in series, i.e. carrying the same current

Recent Application in this class:
#1
20250030251
2025-01-23

CYCLIC POWER GENERATION AND STORAGE SYSTEM WITH DYNAMIC BATTERY SWITCHING CAPABILITY

#2
20230383815
2023-11-30

LOW-PROFILE DRIVE MECHANISM

#3
20230382698
2023-11-30

LIFT ASSEMBLY

#4
20230216394
2023-07-06

Motor current measurement apparatus and method

#5
20220200490
2022-06-23

MOTOR CONTROL METHOD AND SYSTEM

#6
20190283800
2019-09-19

Motor control apparatus and motor driving system

#7
20180269821
2018-09-20

Cooling fan filtering

#8
20180183362
2018-06-28

CONTROL SYSTEM

#9
20160164439
2016-06-09

Control methods and systems for motors and generators operating in a stacked configuration

#10
20150180380
2015-06-25

Control methods and systems for motors and generators operating in a stacked configuration

#11
20150180379
2015-06-25

Control methods and systems for motors and generators operating in a stacked configuration

#12
20140240874
2014-08-28

Traction motor drive system for a locomotive

#13
20130328457
2013-12-12

Cross-interlocked switch type DC electric machine having auxiliary excitation winding and conduction ring and brush

#14
20130328456
2013-12-12

Cross-interlocked switch type DC electric machine having auxiliary excitation winding and conduction ring and brush

#15
20130152817
2013-06-20

Traction motor drive system for a locomotive

#16
20120256568
2012-10-11

Multi-port reconfigurable battery

#17
20120160125
2012-06-28

Method and apparatus for controlling and enhancing tractive effort in DC traction motors on locomotives

#18
20110304294
2011-12-15

Method for controlling three single-phase motors and moving a platform in a direction of the normal

#19
20110241599
2011-10-06

SYSTEM INCLUDING A PLURALITY OF MOTORS AND A DRIVE CIRCUIT THEREFOR

#20
20090295315
2009-12-03

Dynamic braking circuit for a hybrid locomotive

#21
20080100237
2008-05-01

Dual fan module system with three power options using two single throw relays and one double throw relay and a series resistor

#22
20070045658
2007-03-01

SYSTEM AND METHOD TO PROVIDE POWER TO A MOTOR

#23
20060175992
2006-08-10

Dual motor arrangement and control method

#24
20060022620
2006-02-02

Series speed manipulation for dual fan module