by purification, e.g. by filtering; by sterilisation; by ozonisation

Full Title

Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00) > characterised by the treatment of the air otherwise than by heating and cooling > by purification, e.g. by filtering; by sterilisation; by ozonisation

Child Classifications

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• F24F 3/163 Clean air work stations, i.e. selected areas within a space which filtered air is passed
• F24F 3/167 Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed (air distribution by perforated walls F24F7/10)