JP2010002070A5 - - Google Patents

Claims (5)

  A passage air passage communicating the suction opening and the exhaust opening is formed in a main body having a suction opening and an exhaust opening, and a sheet-like filter having a large number of small holes in the passage air passage and an outside of the filter A prefilter comprising a frame body that holds the periphery, a dust remover that contacts and removes dust from the upstream surface of the filter, a heat exchanger disposed on the downstream side of the prefilter, and indoor air from the suction port A blower that sucks and blows out air that has been heat-exchanged by the heat exchanger from the exhaust port, and further includes a driving body that moves the dust removing body or the pre-filter, and from a small-diameter hole of the filter. A main filter formed by a sheet-like rear filter having a plurality of small collection holes and a rear frame body that holds the outer periphery of the rear filter on its upstream surface side, the prefilter Air conditioner being characterized in that provided between the heat exchanger.   The cross-sectional shape of the main filter is formed in a substantially saw-tooth shape having peaks and valleys, and the dust collection effective area of the rear filter is substantially the same as or greater than the dust collection effective area of the filter. 2. The air conditioner according to claim 1, wherein the air conditioner is characterized.   The air conditioner according to claim 1 or 2, wherein the prefilter is detachable from the main filter.   The prefilter is attached to the rear frame so as to cover the outer periphery of the rear filter, and a storage space for storing dust from the main filter is formed at the lower end of the prefilter. The air conditioner of any one of Claims.   The air conditioner according to any one of claims 1 to 4, wherein a part of the upstream side of the main filter is brought into contact with the prefilter.