An electric driven turbocharger device, comprising: a power source; a compressor provided in an intake air flow passage of an engine; an electric motor driving the compressor; an inverter transforming electric power from the power source, and supplying the transformed electric power to the electric motor, and a housing which houses the compressor, the electric motor and the inverter, wherein the intake air flow passage is arranged in the housing so as to pass by the electric motor and the inverter on the upstream side of the compressor, the electric motor and the inverter being cooled by an intake air flow; an intake air pipe connected to a side surface of the housing; an outside air induction pipe connected to an opposite side surface of the housing, the opposite side surface being on the counter side of the side surface to which the intake air pipe is connected, and provided with a suction air opening opened toward outside air, the outside air induction pipe being merged with the intake air flow in the intake air flow passage in the neighborhood of a suction opening of the compressor; and an air flow regulating mechanism provided in the outside air induction pipe, wherein the outside air is induced from the outside air induction pipe; the flow rate of the induced air is regulated by the air flow regulating mechanism so as to secure the flow rate of a delivery air of the compressor as well as constrain the temperature of the delivery air, and wherein a connection opening of the outside air induction pipe faces the suction opening of the compressor at a distance in the neighbourhood of the suction opening of the compressor. a power source; a compressor provided in an intake air flow passage of an engine; an electric motor driving the compressor; an inverter transforming electric power from the power source, and supplying the transformed electric power to the electric motor, and a housing which houses the compressor, the electric motor and the inverter, wherein the intake air flow passage is arranged in the housing so as to pass by the electric motor and the inverter on the upstream side of the compressor, the electric motor and the inverter being cooled by an intake air flow; an intake air pipe connected to a side surface of the housing; an outside air induction pipe connected to an opposite side surface of the housing, the opposite side surface being on the counter side of the side surface to which the intake air pipe is connected, and provided with a suction air opening opened toward outside air, the outside air induction pipe being merged with the intake air flow in the intake air flow passage in the neighborhood of a suction opening of the compressor; and an air flow regulating mechanism provided in the outside air induction pipe, wherein the outside air is induced from the outside air induction pipe; the flow rate of the induced air is regulated by the air flow regulating mechanism so as to secure the flow rate of a delivery air of the compressor as well as constrain the temperature of the delivery air, and wherein a connection opening of the outside air induction pipe faces the suction opening of the compressor at a distance in the neighbourhood of the suction opening of the compressor.