Patent ID: 7290627

Claim:
A controller of a hybrid electric vehicle having an engine ( 22 ) and a motor ( 12 ) for controlling driving of the engine ( 22 ) and the motor ( 12 ), comprising a battery ( 58 ) for supplying electric power to the motor ( 12 ); motor-generated driving force transfer means ( 14 ) for transferring the driving force generated by the motor ( 12 ) to wheels ( 18 ); a power generator ( 78 ) driven by the engine ( 22 ) to supply generated electric power to the battery ( 58 ); engine-generated driving force transfer means ( 75 ) for transferring the driving force generated by the engine ( 22 ) to the wheels ( 28 ); means for detecting a vehicle running state ( 44 ); and control means ( 30 ) for controlling whether to transfer a driving force generated by an engine ( 22 ) to a power generator ( 78 ) or wheels ( 28 ) in accordance with a vehicle running state, wherein the control means ( 30 ) transfers the driving force generated by the engine ( 22 ) to wheels ( 28 ) when said running state is more than a predetermined value, transfers the driving force generated by the engine ( 22 ) to the power generator ( 78 ) when said running state is less than a predetermined value.