| 摘要 |
The invention relates to an extractor hood (10) comprising: a fan device (20) for extracting exhaust air (18) from a space (26) near to the extractor hood (10); a cleaning device (24) for cleaning the exhaust air (18) which is arranged upstream of the fan device (20); and an operating and/or measuring device (32; 46) A return channel (36) is also provided in or on the extractor hood (10), via which cleaned air (R3) can be returned into a space (42; 43) between the operating and or measuring device (32; 46) and the space (26) near to the extractor hood (10). As a result of the cleaned exhaust air (R3) being returned in this way, a contamination of the operating and/or measuring device (32; 46) by uncleaned exhaust air (18) can be prevented or at least reduced. |
