| 摘要 |
PROBLEM TO BE SOLVED: To provide an air blowoff duct capable of smoothly reducing the speed of air flow immediately in front of a blowoff port, smoothly changing a direction, and diffusing a wind direction in the duct in advance. SOLUTION: The air blowoff duct 4 is connected to an air conditioner at an upstream side 421, and connected to the blowoff port 5 provided in a vehicular room at an outlet side 441 to blow off air conditioned by the air conditioner into the room. In regard to a cross-sectional area in the upstream side 421 of the blowoff duct 4, cross-sectional areas are increased toward the outlet side 441 while keeping a change rate of each cross-sectional area in positions at fixed intervals generally constant, and the cross-sectional area in the outlet side 441 is made to agree with the cross-sectional area of the blowoff port 5. COPYRIGHT: (C)2005,JPO&NCIPI
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