| 摘要 |
<p>Disclosed is an air flap for a vehicle, comprising: an air vent formed on the side of an engine room of a vehicle; an inner flap arranged on the inner side of the engine room to open and close the air vent by rotating; and a fluid cylinder which has a rod connected to the inner flap by one end to provide rotatory power with the expansion or contraction of the rod and stores a thermal expansion fluid inside to make the rod be expanded or contracted by the volume changes of the thermal expansion fluid.</p> |
