Air duct selector and automotive air conditioner

An automotive air conditioner for selectively opening at least three outlets to direct a conditioned air toward different sections in a passenger compartment of a vehicle, said automotive air conditioner comprising:

• a casing for directing said conditioned air into said passenger compartment;
• a rotary shaft rotatably supported by said casing;
• a rotary door connected to said rotary shaft and formed in a substantially arcuate shape, said rotary door including a first opening defined by circumferential open ends, and a second opening defined by an arcuate circumferential wall;
• and
• drive means for rotating said rotary shaft;
• wherein
• said casing includes a third opening, a fourth opening, and a fifth opening formed in a downstream end thereof and contiguously arranged along a circumferential surface of said rotary door, said third, fourth and fifth openings communicating with said three outlets, respectively, and opening areas of said third, fourth and fifth openings being adjusted by said rotary door;
• and
• when said rotary door is rotated in a direction from said fifth opening toward said third opening and in a predetermined rotated position where one of said circumferential ends of said circumferential wall located at a rear end of said rotary door passes at least part of said fifth opening and opens said fifth opening, an air flows into said second opening and is directed toward said fifth opening through said first opening.