US Patent 10434843 Air-conditioning unit for vehicle

An air-conditioning unit for a vehicle includes an air-conditioning case; a cooler disposed in the air-conditioning case and adapted to cool air flowing through the air-conditioning case; and a blower disposed on an air-flow downstream side of the cooler and adapted to blow the air into a vehicle interior. The air-conditioning case includes a drain-hole formation portion that forms a drain hole to discharge condensed water generated in the cooler toward an outside of the air-conditioning case. The air-conditioning case is provided with a cooling structure that cools suction air drawn from the drain hole into the air-conditioning case.