Patent ID: 7607505

Claim:
A power distribution system for distributing revolving power to drive a transportation vehicle, comprising: a power source for providing the revolving power; a differential mixed power device for regulating a distribution of power between a front-end load and a rear-end load of the vehicle, and for outputting power to drive the rear-end load, the differential mixed power device including an electro-mechanical device coupled with a three-end shaft differential wheel set, wherein when the electro-mechanical device is driven by a revolutions-per-minute (RPM) difference of the front-end and rear-end loads, the electro-mechanical device functions as a generator to charge a rechargeable device and provides a passive regulation of the power distribution, and when the electro-mechanical device is powered by the rechargeable device, the electro-mechanical device functions as a motor that revolves clockwise or counter-clockwise to provide an active regulation of the power distribution; a transmission and control interface device for transmitting the revolving power to the front-end load and the differential mixed power device; a differential shaft, disposed between the differential mixed power device and the transmission and control interface device, and configured to output an RPM through the transmission and control interface device; a front-end transmission device, disposed between the front-end load and the transmission and control interface device, including a conventional transmission mechanism to input revolving kinetics from the transmission and control interface device to drive the front-end load; a drive circuit device, disposed between the electro-mechanical device and the rechargeable device, and configured to control the electro-mechanical device to function as a motor or a generator, and to control the output power to create a reverse torque at the electro-mechanical device for regulating the power distribution between the front-end and the rear-end loads, according to given control commands; and a central controller, configured to provide control commands to the drive circuit device.