| 摘要 |
PURPOSE:To construct a ventilating device in such manner that enables air taken in through an opening part made at the lower part of house surroundings to develop into an acending current containing dust, heat and a bad odor produced in a house and to be dispersedly exhausted through a ventilating device located on the roof. CONSTITUTION:An opening part 5 communicating with the air is located at a bottom part of a house outside wall, and a hip wall 8 also is placed in the rear of the opening part 5. A draw damper 10 is situated between the hip wall 8 and the opening part 5 so that an air suction volume can be adjusted, and the combination with a ventilation on the roof can improve working environment, such as entry of resin, man protection and so on. |
