| 摘要 |
<p>A suction unit for a machine tool (1), comprising a filter element (12) in a housing (5), a suction pipe (4) opening into the housing and a fan (8) downstream of the filter element, comprises a carbon dioxide snow filter-cleaning device (18) comprising nozzles (19, 19') that are directed towards the filter suraces and are connected to a liquid carbon dioxide source (22).</p> |
