US Patent 7404783 Dynamo-electric drive unit controlled compound power system

A dynamo-electric drive unit controlled compound system includes one dynamo-electric unit, a primary and a secondary dynamo-electric unit, or more than two dynamo-electric units incorporated with an engine or other rotating device, and one or more control units including a centrifugal clutch, one-way transmission mechanism, output clutch, or related transmission mechanism, a manual control interface, a central controller, and a storage device to create a specific control pattern and to execute the operation of a specific compound power function by selection among the control units and control of drive control device operation.