Patent ID: 8757245

Claim:
A vehicle air conditioner for heating and cooling air, the vehicle air conditioner comprising: a first outer air path with air flowing at a first temperature; a second outer air path with air flowing at the first temperature; a first inner air path with air flowing at a second temperature; a first control element controlling the air flowing in the first outer air path, the second outer air path, and the first inner air path; and a second control element controlling the air flowing in the first outer air path, the second outer air path, and the first inner air path, wherein the first control element and the second control element are configured jointly to be able to move in opposing directions, wherein the first control element and the second control element are slider elements placed in differing planes to each other and are configured to be movable, one behind the other, in a direction of the air flow, and the slider elements include curved toothed bars, wherein the slider elements and the curved toothed bars are configured curved with opposite orientation.