Exhaust air chamber for ventilating closed areas has cleanser inlet pipe and spray nozzle, attached inside exhaust air chamber, whereby spray nozzle is connected, through cleanser inlet pipe with, doser for dosed discharge of cleanser

摘要

The exhaust air chamber (20) has a cleanser inlet pipe (24) and a spray nozzle (25), which is attached inside the exhaust air chamber. The spray nozzle is connected, through the cleanser inlet pipe, with the doser (32) for the dosed discharge of the cleanser. The doser has an intake (34) for preferably microbiologically active cleanser.