| 摘要 |
The first invention relates to a vehicle with pneumatic tires characterized in that the vehicle comprises a cooling unit which expels a fluid to cool the pneumatic tire from the outside thereof at least when the air pressure of the pneumatic tire decreases. And, the second invention relates to a tire cooling method in the vehicle with pneumatic tires comprising: a step of monitoring the air pressure of the pneumatic tire during running, and a step of expelling a fluid toward the pneumatic tire so as to cool the pneumatic tire from its outside when the air pressure falls below a predetermined value. |
