Door with air curtain treaty. (Machine-translation by Google Translate, not legally binding)

摘要

Door with treated air curtain, constituted by a door-shaped structure provided with means of ventilation and aspiration or return of air, combined with conventional leaf doors, so that the formation of a parallel air stream is combined to the plane of the door, capable of preventing air circulations between both ends of the door, this being characterized by being composed of said structure of a tunnel limited by two pairs of doors (10) on each side, through which the aforementioned circulates air stream, the air emission being found in the upper part in a control cabin (1) in which there is located a centrifugal fan (3) with electric motor, whose outlet conduit (2) connects with a distributor or planum of discharge (4), which generates a descending air current, which in turn is collected by means of grids (9) for aspiration and return of air, located in the walls of said tunnel, in the part in ferior next to the floor, the air being returned by means of conduits that constitute the side walls (8) of said tunnel, up to the aforementioned upper control cabin (1). (Machine-translation by Google Translate, not legally binding)