Patent ID: 7957169

Claim:
A power inverter for an electric motor installed in a vehicle, comprising: a coolant channel body; a power module having DC terminals for receiving DC electric power and AC terminals for outputting three-phase AC electric power, and power semiconductors for converting DC electric power to AC electric power; a capacitor module, said capacitor module further comprising a capacitor case, first and second conductors directly connected to respective DC terminals of the power module, and a plurality of film capacitors; a housing, said housing containing the coolant channel body, the power module, and the capacitor module; and a holding plate holding said capacitor module; wherein one of the electrodes of each of the film capacitors is connected to the first conductor and the other electrodes of each of the film capacitors is connected to the second conductor respectively, the power module is adjacent to the coolant channel body, the holding plate is located to counter with the coolant channel body and sandwich the power module with the coolant channel body, and fixed to the housing; and the capacitor module is located between the power module and the holding plate.