Patent ID: 8042634

Claim:
A power output apparatus for outputting a power to a drive shaft, said power output apparatus comprising: an internal combustion engine; a first motor capable of inputting and outputting power; a second motor capable of inputting and outputting power; a three shaft-type power input output module which is connected to three shafts: an engine shaft serving as an output shaft of said internal combustion engine, a first motor shaft serving as a rotating shaft of said first motor, and a third shaft, and inputs and outputs power to a remaining shaft based on the power input and output to any two of said three shafts; a first connection/disconnection module which connects and disconnects a second motor shaft serving as a rotating shaft of said second motor to and from said third shaft; a second connection/disconnection module which connects and disconnects said second motor shaft to and from said engine shaft; a third connection/disconnection module which connects and disconnects said drive shaft to and from said third shaft; and a fourth connection/disconnection module which connects and disconnects said drive shaft to and from said first motor shaft.