Modifying fresh air introduced by air conditioning system

摘要

Partic. in air conditioning plants, fresh air is neutralised by a method of introduction of various active substances into the air stream, partic. perfume, aromatic and neutralising substances. Different parameters of the supplied air are determined and the substance is supplied from a generator as a function of the measured parameters. Also claimed is a device with a sensor for air quality and a movable slider (5) for bearing contact with the active substance (4).