| 摘要 |
<p>A roof ventilator (10) including: - a first module (12) defining a first module passageway (13), the first module passageway (13) defining a first passageway longitudinal axis, the first module (12) including a first module louver support (32) extending substantially parallel to the first passageway longitudinal axis and a first module louver (34) for creating a draft within the first module passageway (13) upon wind blowing onto the first module louver (34), the first module louver (34) extending from the first module louver support (32), the first module louver (34) being located peripherally relatively to the first module passageway (13); - a second module (12) attached to the first module (12), the second module (12) defining a second module passageway (13), the second module passageway (13) being in fluid communication with the first module passageway (13) and defining a second passageway longitudinal axis, the second module (12) including a second module louver support (32), the second module louver support (32) extending substantially parallel to the second passageway longitudinal axis and a second module louver (34) for creating a draft within the second module passageway (13) upon wind blowing onto the second module louver (34), the second module louver (34) extending from the second module louver support (32), the second module louver (34) being located peripherally relatively to the second module passageway (13); and - a fastener (26) operatively coupled to the first and second modules (12) for attaching the first and second modules (12) to each other and biasing the first and second module louver supports (32) towards each other.</p> |
