H02P7/30 - CPC Classification Index

ClassID:

218271 ⎘

H02P7/30 - 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 magnetic devices with controllable degree of saturation, i.e. transductors

Sub-classes:

H02P7/305 » {whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value} 1

Recent Application in this class:

20100109598

2010-05-06

Controlling a power of an electrical motor