in a stevenrohrabdichtung is a chamber (14) to the skin einsickernder or durchflieu00dfender liquids a verdru00e4ngerpumpe (22) in a gehu00e4usering (53) arranged in the verdru00e4ngungselement by a wave of (1) and cam (6) is driven.the liquids through a valve (21) is drawn in and on a line (20) and an in or near the abdichtungsgehu00e4use internal pressure valve (23) which, for example, in a secondary line (24) to the top of a large flow resistance increases and / or possession.
展开▼