Patent ID: 8602853
Filing Date: 2013-12-10
Classification: B60H

Abstract:
1. An air filter assembly of a blower for a vehicle, comprising: an air filter casing installed in an intake duct having an outdoor air intake port communicating with the outdoor of the vehicle, an indoor air intake port communicating with the indoor of the vehicle, and a subsidiary indoor air intake port communicating with the indoor of the vehicle, wherein the subsidiary indoor air intake port is provided in the air filter casing; an air filter received in the air filter casing and purifying indoor air or outdoor air supplied into the intake duct; and an air guide integrated with an end of the air filter and opening or closing the subsidiary indoor air intake port so as to guide a predetermined amount of indoor air into the intake duct during an outdoor air inlet mode; wherein the air filter casing is provided in an end thereof with an inclined part inclined upwards at a predetermined angle and the subsidiary indoor air intake port is provided in the inclined part; wherein the air guide is disposed between the air filter and the inclined part of the air filter casing and moves in contact or noncontact with the inclined part, thus closing or opening the subsidiary indoor air intake port; and wherein the air guide is monolithically integrated with a lower edge of the end of the air filter with an elasticity to close the subsidiary indoor air intake port while a difference between indoor pressure and outdoor pressure of the intake duct is below a predetermined amount.