VENTILATOR FOR RAILWAY ROLLING STOCK

摘要

PROBLEM TO BE SOLVED: To prevent dust attachment to a fan impeller and a channel wall surface and to facilitate maintenance. SOLUTION: This ventilator is structured so as to make an air supply channel 3, an air supply side impeller 4, an exhaust air side impeller 7 and an exhaust air channel 8 support a photocatalyst 12 and sunlight 13 is taken in from a fresh air suction port 2 and an exhaust air discharge port 9 and irradiated by a reflector 15. It is also structured so as to take in light of a lighting system 16 in a room through a fresh air discharge port 17 and an exhaust air suction port 18 and to irradiate it by the reflector 15 at nighttime.