| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bathroom ventilator of low noise, capable of reducing air resistance, and being improved in ventilating efficiency. <P>SOLUTION: A main suction port 64, a sub-suction port 69 and an air discharge port 70 are formed on a main body case 61 mounted in a bathroom B with the bathroom ventilator, a fan case 62 is accommodated inside of the main body case 61, a multiple-blade fan 63 in the fan case 62 configurates a two-stage type multiple-blade fan, and air introduction opening parts 73A, 74A for introducing the air from the main suction port 64, and the sub-suction ports 67A, 67B, 67C are formed on the both upper and lower face parts faced to the air suction portion 87A of the multiple-blade fan 63, of the fan case 62. The bathroom ventilator has an air trunk 77 for introducing the air from the sub-suction ports 67A, 67B, 67C to the air introduction opening parts 73A at a ceiling part 72 side, between the fan case 62 and the ceiling part 72 of the main body case 61, and the air can be sucked from both upper and lower face sides of the fan case 62. <P>COPYRIGHT: (C)2004,JPO |
