WARTUNGSVERFAHREN DER LUFTFILTER EINES SCHIENENFAHRZEUGS

摘要

The present invention relates to a method of maintaining a ventilation device (30) of a railway vehicle (10), comprising walls defining an exterior space (28) and an interior space (26), said ventilation device comprising: a conduit (32) opening onto the interior space; an air filter (34) disposed in said conduit; and a fan (36) capable of blowing air into the interior space through said duct; the ventilation device further comprising a member (60, 62, 64) capable of measuring a pressure difference between the air of the outdoor space and the air of the indoor space; the method comprising the steps of measuring the pressure difference and, if said pressure difference is greater than a first threshold, transmitting a signal alert.