ARRANGEMENT FOR EVEN DISTRIBUTION OF GASEOUS MATERIAL IN AN AREA

摘要

Ventilation arrangement comprising a multiplicity of ventilation outlet ducts, for the ventilating of a constructional space such as a building, cabin or part thereof, in particular for the ventilating of a greenhouse, which comprises an inlet for gas or gaseous material such air to be circulated in said space, connected with a ventilator (2) for the providing of ventilation gas to a ventilation outlet duct (3) which is embodied with a wall of foil like material, which stretches in the space to be ventilated spacious area, and is provided with a multiplicity of outlet openings (4) that are each smaller in cross section than that of the ventilation outlet duct, and which air is admitted to the space to be ventilated via a gas receiving chamber (16) which in its turn is provided with outlet openings (18) to the space to be ventilated, characterized in that the chamber forms part of the ventilation arrangement, and is embodied with a wall (17) of foil like material, which is applied against or else around the duct.