US Patent 7891409 Air conditioner for vehicle

Noise occurring in an upright air-conditioning unit is greatly reduced. An upright air-conditioning unit 1 is disposed under a steering member support part 23, a vent opening 15 and a vent outlet port 20 are made to communicate with each other via a vent duct 25, a defrost opening 16 and a defrost outlet port 21 are made to communicate with each other via a defrost duct 26. The vent opening 15 assumes a position further frontward than the steering member support part 23 along the frontward/rearward direction relative to the vehicle body whereas the defrost opening 16 assumes a position further rearward than the steering member support part 23 along the frontward/rearward direction relative to the vehicle body.