US Patent 10046616 Air conditioning system for vehicle

An air conditioning system for a vehicle may include a cooling duct provided with a cooling duct inlet at a first end of the cooling duct, and a cooling duct indoor outlet and a cooling duct outdoor outlet at a second end of the cooling duct, a heating duct provided with a heating duct inlet at a first end of the heating duct, and a heating duct indoor outlet and a heating duct outdoor outlet at a second end of the heating duct, and including a condenser disposed in the heating duct, an extension duct extending from both the cooling duct indoor outlet and the heating duct indoor outlet, and channeling air supplied from both the cooling duct indoor outlet and the heating duct indoor outlet to a passenger compartment, and a passage control door provided at an indoor outlet end portion of a partition wall.