| 摘要 |
Device (3) for generating an air wall (4) separating the air in spaces connected by a passage (2), the device (3) comprising a primary blower unit (5), having primary blower fan means (6) and a primary blower slit (7), for generating a flat air stream (8) toward the opposite side of said passage (2); and a suction unit (11) on the opposite side of the passage having a suction slit (12) extending parallel to the blower slit (7) and having the same length as the primary blower slit (7), to which connect suction fan means (6); said blower fan means (6) generating an air stream (8) speed of ‰¥15 m/s, the width of the primary blower slit (7) being 15-40 mm, and the length of the primary blower slit (7) in the direction of the air stream being 5-40 cm. |
