Storage tank used e.g. as an expansion tank for a heating system in an apartment comprises a container with individual elements surrounded by liquid

摘要

Storage tank (1) for storing liquid (2) under pressure comprises a container (3) with individual elements (4) surrounded by liquid. The volume of the tank decreases with increasing liquid pressure and increases with decreasing pressure. An independent claim is also included for a method for storing a liquid under pressure using the above storage tank. Preferred Features: The container is filled with liquid in one part and contains the individual elements in the other part. The container has feed lines (5) for the liquid and is provided with an overpressure valve (6) or several overpressure valves. The container is made from steel and has tie rods on the inside.