| 摘要 |
<P>PROBLEM TO BE SOLVED: To compactify a cooling device of a vehicle power supply system provided with a power control unit structured by a voltage converter, which boosts output voltage of a battery, and a power converter, which supplies a motor with the voltage converted by the voltage converter, including a unitized peripheral circuit, and the cooling device that cools the power control unit by circulating refrigerant. <P>SOLUTION: A cooling device 40 including a pump 41 that circulates refrigerant and a radiator 9 that cools the refrigerant by releasing cooled air is structured so that the refrigerant sequentially passes through in the order of the radiator 9, the power control unit 7, the battery 16, and the motor 17. <P>COPYRIGHT: (C)2011,JPO&INPIT |
