| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery cooling device which makes it hard for cool air in a trunk to enter a cabin when a battery cooling device is operated.SOLUTION: A battery cooling device 1 includes: a duct 10, which connects a cabin 40 to a battery 18 and which is arranged in a trunk 50 and has an opening to the trunk 50; a door 12 to open and close the opening; and a wax element 15 as an actuator to open the door 12 to the larger opening with the lower temperature of air in the trunk 50. |
