Patent ID: 7543665
Filing Date: 2009-06-09
Classification: B60K,B60L,B60Y,Y02T

Abstract:
1. A power system of a mobile machine, including: a power source; a first electric machine drivingly connected to the power source; a second electric machine drivingly connected to the power source; a third electric machine; one or more propulsion devices drivingly connected to the third electric machine; and power-system controls, including a bidirectional power regulator operable to cause the first electric machine to operate as an electric motor and also operable to cause and regulate generation of electricity by the first electric machine; a unidirectional power regulator operable to cause and regulate generation of electricity by the second electric; and wherein the power-system controls are operable to simultaneously drive the first electric machine and the second electric machine with the power source to generate electricity with both the first electric machine and the second electric machine with power from the power source, while operating the third electric machine as an electric motor to drive the one or more propulsion devices.