| 摘要 |
<p>A pipeline has a raw air pipe (4) in a filter housing (3). A filter unit (5) is accommodated in the filter housing and a clean air pipe (2) is connected at the filter housing for removal of clean air that is separated through the filter unit. The clean air pipe, filter housing, and raw air pipe are formed as a one-piece filter pipe (1). The clean air pipe connected at the housing comprises a temporary expandable cross section.</p> |
