Car has air-conditioning system in which air can flow from outside through inlet, across filter and through outlet into car, flap allowing inlet to be opened so that air can pass from interior, across filter and back into interior

摘要

The car has an air-conditioning system in which air can flow from the outside through an inlet (4), across a filter (9) and through an outlet into the car. A flap valve (14) allows an inlet (13) to be opened so that air can pass from the interior, across the filter and back into the interior.