Patent ID: 6886648
Filing Date: 2005-05-03
Classification: B60K,B60L,B60W,Y02T,Y10S

Abstract:
1. A power output apparatus comprising at least an engine and two motors and causing power to be output from a drive shaft, said power output apparatus comprising: changeover means that changes over a connection state of the engine and the two motors between a parallel connection mode, in which at least part of output of the engine is transmitted in the form of mechanical power to the drive shaft and at least one of the two motors is utilized as a power source, and a series connection mode, in which at least one of the two motors converts the output of the engine into electric power and the other motor reconverts the electric power into mechanical power and outputs the mechanical power to the drive shaft; and a control means that controls said changeover means to change over the connection state to the series connection mode each and every time that power is outputted in a reverse direction is instructed.