BLOWER UNIT HAVING BLOWER FAN AND DRAFT PATH OF AIR SUCKED AND DISCHARGED FROM BLOWER FAN

摘要

PURPOSE: A blower unit is provided to prevent noise produced by the rotation of a blower fan from being transmitted to a driver by arranging a soundproof unit to the front of an inside air inlet formed to an intake duct and to facilitate installation and removal of the soundproof unit by the kinds of vehicles. CONSTITUTION: A blower unit comprises a blower fan(22); a case(21) constituting a blast passage of air sucked and discharged from the blower fan; a filter(26) filtering impurities in the air flowing into the case; and a soundproof unit(30) formed integrally with a filter cover(27) fixing the filter to the case. The case has an intake duct(24). An inside air inlet(24a) in which inside air flows is formed to one side of the intake duct and an outside air inlet(24b) in which outside air flows is formed to the other side of the intake duct. The soundproof unit is located to the front of the inside air inlet to isolate or absorbs noise.