| 摘要 |
PURPOSE:To reduce the noise at a discharge port of a discharge box of a blower by providing a sound insulating plate in the vicinity of the discharge port. CONSTITUTION:Inside a discharge box 3 which is provided on the discharge side of a blower 1 sending conditioned air into a room and shifts the direction of air, and in the vicinity of a discharge port 4 of the discharge box 3, a sound insulating plate 6 which is so fitted as to project into a wind path and formed in the shape of a plate and has a sound absorbing material stuck on the opposite sides is provided. By this constitution, a directly transmitted component of a sound of blowing of the blower 1 can be intercepted by the sound insulating plate 6 and the effect of the directly transmitted component of the sound on the discharge port 4 of the discharge box 3 can be prevented. Thereby the noise at the discharge port 4 can be reduced. |
