An application of compressed air or blower air that provides wide area coverage with a thin sheet of air. This can be achieved by using air knife. In reference to a building or a room, the air curtain is used for indoor and outdoor air separation. It is a blower-powered device that creates an invisible air barrier over the doorway to separate efficiently two different environments, without limiting the access of the people or vehicles.
In reference to cleaning or drying applications using a blower or compressed air, the air curtain creates a laminar sheet of compressed air for wide area blow-off and air drying applications.
