About 32 results
https://drivepatents.com/patents/1084384 · 1 Sep 2004
A drive unit for an electric vehicle is comprised of a motor (60), an inverter (50) which supplies alternating current electric power to the motor, a speed reducer (70) which is connected to the motor, and a cooling system which cools the motor, the invert...
https://drivepatents.com/patents/1088664 · 24 Mar 2004
The method for supplying electricity to auxiliary equipment, e.g. heating and lighting, in a passenger train comprises using current from the circuit which supplies the drive motors, e.g. diesel-electric motors. The supply is reduced during starting and ac...