| 摘要 |
PROBLEM TO BE SOLVED: To ensure air speed variations freely with the minimum cost by dividing a wind direction guide blade into a plurality of sub-blades. SOLUTION: A wind direction guide blade 6 provided at an air blow-off outlet 2 of an air conditioner is divided into a plurality of sub-blades longitudinally, and is constructed with a main guide blade 7 located at the center and sub-guide blades 8, 8 located at opposite end sides of the main guide blade 7. There are further provided main guide blade driving means 10 for rocking the main guide blade 7 and sub-guide blade driving means 11 for rocking the sub-guide blades 8, 8. A direction of a blow-off air stream is controlled by positioning the main guide blade 7 at a proper angle, and proper wind speed variations or wind amount variations are provided to the blown air stream by properly setting a rocking angle of the sub-guide blades 8, 8 or a rocking speed.
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