CONTROLLABLE DIRECT-CURRENT MOTOR HAVING A PARTICULAR SPEED/TORQUE CHARACTERISTIC•

摘要

A direct-current motor is disclosed, preferably in the form of an EC motor, which has a matching arrangement in order to vary its rotation-speed/torque characteristic, having a permanently effective control circuit for controlling the motor, which control circuit is programmed such that the rotation-speed/torque characteristic is permanently varied with respect to rated operation or operation with the matching arrangement. US2012223663A1