IN-WHEEL UNIT COOLING DEVICE OF IN-WHEEL MOTOR VEHICLE

摘要

PROBLEM TO BE SOLVED: To improve cooling performance of a drive motor unit arranged in a rear-wheel house.;SOLUTION: An in-wheel unit cooling device of a four-wheel in-wheel motor vehicle includes a front wheel house 3, a rear wheel house 4, a front drive motor 5, a rear drive motor 6, and an underfloor air flow passage 7. The front drive motor 5 is arranged in the front wheel house 3. The rear drive motor 6 is arranged in the rear wheel house 4. The underfloor air flow passage 7 is installed in a recessed groove space surrounded by a floor panel 13, a side sill inner 14 and a side member 15. An air flow inlet is formed at the rear end of the front wheel house 3. An air flow outlet is formed at the front end of the rear wheel house 4.;COPYRIGHT: (C)2013,JPO&INPIT