| 摘要 |
<p>Ventilation ceiling (1), comprising channel elements (2) running at a distance from and parallel to each other, and ceiling panel elements (3,4) leading with their side edges into said channel elements, which channel elements are in fluid communication with a fluid-collecting element (7,8), while the panel elements serve the purpose of extracting grease and/or liquid constituents from the air, and the channel elements serve the purpose of conveying the extracted grease and liquids to the fluid-collecting element, and a fixed supply line (11) for cleaning agents is provided and serves the purpose of dispensing cleaning agent into the channels at intervals. <IMAGE></p> |
