| 摘要 |
PROBLEM TO BE SOLVED: To improve blowing-range control performance with respect to air blown from a blow-out port. SOLUTION: A back surface portion facing an opening region of the blow-out port 20 on a second wall part 16 is constituted by a curved wall part 32 extending from the second wall part 16 to the blow-out port 20 side to be curved, and a plane wall part 34 extending along the blow-out port 20 from an edge of the curved wall part 32. Thus, the air introduced from an upstream side is deflected to the blow-out port 20 side in the dispersed state during being moved along the curved wall part 32, and can be widely diffused from the blow-out port 20. COPYRIGHT: (C)2004,JPO&NCIPI
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