BLOWING GRILL AND AIR CONDITIONER OF AIR BLOWING UNIT

摘要

PROBLEM TO BE SOLVED: To solve a problem of big noises generated by a blowing grill when a noise level is dominated at the maximum point of the speed distribution. SOLUTION: The air blowing unit comprises a furring 2A provided on the downstream side of a fan of the blowing unit 1 which performs blowing after a fan 1a generates an air stream and arranged at a distance according to the blowing air speed distribution of the fan 1a.