Patent ID: 9644641
Date: 2017-05-09
CPC Classifications: F02B,F04D,H02K,Y02T

Claim:
1. An electric supercharging apparatus which is configured to rotate an electric motor that comprises a rotor shaft rotatably supported in a motor housing to which a motor coil and a stator are fixed, so as to drive and supercharge a compressor connected to one end of the rotor shaft, the electric supercharging apparatus comprising: a gas supply port and a gas discharge port which are provided in the motor housing; a cooling passage which connects the gas supply port and the gas discharge port in the motor housing and which is formed in the stator along the motor coil in an outer periphery of the motor coil; an inverter unit comprising an element circuit board housed in an inverter housing, the inverter unit being mounted on a side of the motor housing where the gas supply port is formed.