Patent ID: 8011467
Filing Date: 2011-09-06
Classification: B60K,B60L,B60R,H01M,H02M,Y02E,Y02T

Abstract:
1. A vehicle power supply system of a vehicle having a main body, the power system comprising: a battery; an inverter unit which converts DC electric power of the battery into AC electric power and which supplies the AC electric power to a rotating electric machine to drive the rotating electric machine, the inverter unit comprising an attachment plate, an inverter unit main body, and a heat radiating fin extending outwardly from the inverter unit main body in a direction substantially orthogonal to the inverter unit main body, the inverter unit disposed along a side face of the battery such that the heat radiating fin extends outwardly from the side face of the battery in a direction substantially orthogonal to the side face of the battery, and the attachment plate integrally fixed to the inverter unit main body at an end of the inverter unit main body disposed at a top surface of the battery; a battery fixing plate disposed along the top surface of the battery, the battery fixing plate integrally fixed to the attachment plate at a first end of the battery fixing plate; an AC wiring line which connects the rotating electric machine and the inverter unit; a DC wiring line which connects the inverter unit and the battery; a battery tray fixed to the vehicle main body, in which the bottom of the battery is positioned, the battery tray fixed to the attachment plate at a side end face of the battery tray; and a fixing means, through which a second end of the battery fixing plate, opposite the first end of the battery fixing plate, and the battery tray are fixed, wherein the battery is held between the battery tray and the battery fixing plate through the attachment plate and the fixing means to integrally fix the battery and inverter unit to the vehicle main body through the battery tray.