| 摘要 |
PURPOSE:To obtain air feeding and exhaustion which can take appropriate fed air into a room without decreasing trap efficiency of an air exhausting and ventilating fan. CONSTITUTION:In association with the operation of an air exhausting and ventilating fan 19 which is provided in a living space 10 of a house 9, air is fed into a non-living space, such as a corridor 17, through an air feed duct 24 by opening a normally-closed electric shutter 26. Thereby, the fed air is dispersed in the living space 10 by making the fed air collide from above at living articles 32 installed in the living space 10, such as a refrigerator. |
