| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle body lower part unit which enables long life of a travelling battery of a vehicle.SOLUTION: A vehicle body lower part unit 10 includes: a floor body 12 which may be connected with a vehicle body; and reinforcement ribs 14 protruding from the floor body in a substantially vertically upper direction. The reinforcement ribs define storage pockets, which store travelling battery cell units 18, along with the floor body. Further, the vehicle body lower part unit includes a first connection line which supplies a refrigerant for cooling the reinforcement ribs and the floor body, in particular CO, and a second connection line for discharging the refrigerant.SELECTED DRAWING: Figure 2 |
