Patent ID: 8091591

Claim:
A device for filling of vessels, comprising a container for liquid up to a level and a pressurized gas-filled space above the level, the container having a base at a lower side and a cover at an upper side, a filling pipe at the base of and connected to the container, the filling pipe containing a liquid valve and a return gas pipe extending upwardly from a liquid discharge unit located in the filling tube below the liquid valve through the filling valve, the container and the cover, a gas pipeline extending from the filling tube with a long lower section upwardly through the container and being connected by a short upper substantially vertical section with the pressurized gas-filled space of the container by a pre-stressing valve positioned on a valve block positioned on the upper side of the container for discharging pressurized gas into the filling tube when the pre-stressing valve is open and before the liquid valve is opened, wherein the long lower section of the gas pipeline is arranged outside of the return gas pipe, wherein the long lower section of the gas pipeline is connected from outside of the filling tube with the liquid discharge unit upwardly from the filling tube to the pre-stressing valve.