Patent ID: 8007574

Claim:
An air conditioner comprising an interior unit casing having an air suction inlet and an air blowing outlet, and an air filter along an inner face of said air suction inlet, said interior unit casing including, a filter cleaning part including a cleaning brush that contacts a first side of said air filter and removes dust adhered to said air filter, and a dust box having a top cover located on the first side of said air filter and a bottom cover located on a second side of said air filter, a member for moving said filter cleaning part relatively to said air filter, a light source located on a first side of said air filter, wherein said light source irradiates the first side of said air filter with ultraviolet rays, when said air filter and said filter cleaning part are moved by the member for moving, to remove said dust, and a reflector located on a second side of said air filter, said second side being a position opposed to the first side interposing said air filter, said reflector adapted to reflect ultraviolet rays irradiated by said light source and passing through said air filter onto the second side of said air filter.