ClassID:

63869

B60L15/22 - CPC Classification

Classification description:

Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed with sequential operation of interdependent switches, e.g. relays, contactors, programme drum

Recent Application in this class: