Patent ID: 7862636

Claim:
A ceiling type air conditioner comprising: a case disposed on the ceiling and having a predetermined space defined therein; a base panel disposed in the case and having an air intake hole formed at a side thereof; a filter disposed at the air intake hole; a filter housing on which the filter is seated: a brush assembly for firstly collecting and accumulating foreign matter filtered by the filter; a suctioning unit for suctioning the foreign matter collected in the brush assembly when the suctioning unit communicates with the brush assembly; and a foreign matter collector for secondarily collecting the foreign matter suctioned by the suctioning unit; and a moving unit for moving the brush assembly linearly to clean the filter so as to firstly collect foreign matter in the brush assembly and for moving the brush assembly linearly to a position where the brush assembly communicates with the suctioning unit, wherein the suctioning unit comprises: a suction force generating unit for generating a suction force to suction the foreign matter collected in the brush assembly; and a foreign matter collecting unit through which the foreign matter is suctioned from the brush assembly due to the suction force generated by the suction force generating unit when the suctioning unit communicates with the brush assembly.