Patent ID: 6139427
Filing Date: 2000-10-31
Classification: F04D,F24F,Y10S

Abstract:
A ventilation system comprising:a ventilation unit adapted to be suspended a distance from the ceiling of an indoor space, the ventilation unit including:a damper, which is formed, in a section of a ventilating unit which is near the air intake of the ventilation unit, by at least one barrier projecting in a first direction from an inside surface of the ventilating unit and at least one barrier projecting in a second direction from the inside surface of the ventilating unit;an ejector which is located in a section of the ventilating unit which is near an air outlet of the ventilation unit, the ejector having at least one nozzle body attached thereto;a blower unit which is installed near the upper central section of the ventilating unit, between the damper and the ejector, the blower unit being secured to the ventilation unit with a hinge on one side of the blower unit, thereby allowing the blower unit to be opened outwardly, the blower unit being disposed, during operation, in a plane which is parallel to the top and bottom surfaces of the ventilating unit, the blowing unit creating an air flow in a direction which is parallel to the top and bottom surfaces of the ventilation unit;a member for connecting the ventilation unit to the ceiling.