STORAGE TANK FOR A LIQUID

摘要

The invention relates to a storage tank for a liquid, which comprises a bottom and upright walls and which can be closed by means of a cover element that floats on the liquid, which cover element substantially abuts against the upright walls with its circumferential edge, whilst determining means are present for determining the liquid level in the tank. To get an adequate perception of the position both of the liquid surface and of the cover element floating thereon, the storage tank is according to the present invention provided with detection means, which detect the position of the cover element in the storage tank.