Pump arrangement for conveying liquids comprises a chamber arranged in a further chamber and filled with a liquid so that when the liquid rises the further chamber moves on the liquid surface in the chamber

摘要

Pump arrangement comprises a chamber (2) arranged in a chamber (1) and filled with a liquid so that when the liquid rises the chamber (1) moves on the liquid surface in the chamber (2). Liquid can be moved from chamber (2) into a chamber (3) using outlet valves (6) which are arranged in the foot point region of the chamber (1). Preferred Features: During pumping of the liquid from the chamber (2) the conveying speed of the pump is fitted to the sinking of the chamber (1).