Patent ID: 8395335
Filing Date: 2013-03-12
Classification: B60L,Y02T

Abstract:
1. A drive system for a machine having an engine coupled to a generator, a motor operatively coupled to drive wheels, and auxiliary devices, the drive system comprising: an inverter circuit coupled to each of the generator and the motor; and an auxiliary driver coupled to each of the generator and the auxiliary devices, the inverter circuit and the auxiliary driver configured to automatically communicate power from the engine and any power from the auxiliary devices to the motor in a propel mode, and automatically communicate power from the motor to the engine in a dynamic braking mode so as to minimize fuel consumption during the dynamic braking mode, wherein the generator is a motor generator mechanically coupled to the engine and the auxiliary driver includes an auxiliary generator mechanically coupled to the engine and the motor generator, and the auxiliary generator configured to communicate power from the motor to the engine during the dynamic braking mode.