the invention concerns a device for rinsing a fluid - storage space that is provided with a rising chamber fillable with a fluid arranged in the region of the high point of the storage - space floor , which chamber , when the storage space runs empty , abruptly lets the fluid run out through a rinse opening as a rinsing torrent . the rinsing device has a container that serves to hold the rinse fluid ; the container is either raisable , so that rinse fluid floods out through its bottom opening , or else the upper edge of the container is lowerable , so that the rinse fluid , coming forth from here , can flood out radially .