Patent ID: 7520353
Filing Date: 2009-04-21
Classification: B60H,B60K,B60L,B60T,B60W,B60Y,F01N,F02B,F02D,F02M,F02N,H01M,Y02A,Y02E,Y02T,Y10S,Y10T

Abstract:
1. A hybrid vehicle, comprising: at least two wheels, operable to receive power to propel said hybrid vehicle; a first alternating current (AC) electric motor, operable to provide power to said at least two wheels to propel said hybrid vehicle; a second AC electric motor; an engine coupled to said second electric motor, operable to provide power to said at least two wheels to propel the hybrid vehicle, and/or to said second electric motor to drive the second electric motor to generate electric power; a first alternating current-direct current (AC-DC) converter having an AC side coupled to said first electric motor, operable to accept AC or DC current and convert the current to DC or AC current respectively; a second AC-DC converter coupled to said second electric motor, at least operable to accept AC current and convert the current to DC; an electrical storage device coupled to a DC side of said AC-DC converters, wherein the electrical storage device is operable to store DC energy received from said AC-DC converters and provide DC energy to at least said first AC-DC converter for providing power to at least said first electric motor; and a controller, operable to start and stop the engine to minimize fuel consumption, wherein said controller is further operable to: