Patent ID: 7926558

Claim:
A cooler device comprising a cooling portion including at least one tubular element, the tubular element having an internal flow duct with an entrance side and an exit side for guiding a first medium to be cooled, the tubular element having an outside surface, wherein a second cooling medium in contact with the outside surface of the tubular element cools the first medium as the first medium is led through the flow duct, and a first tank at the entrance side of the cooling portion and configured to receive the first medium before the first medium is led into the entrance side of the flow duct, wherein the first tank has an outside surface, protruding material portions on the outside surface of the first tank together with the outside surface producing an enlarged contact surface for contact with the cooling second medium, to subject the first medium to a first step of cooling within the first tank, the first tank having an inside surface situated close to the outside surface which is in contact with the cooling second medium; the first tank having an entrance for the first medium; a flow element inside the first tank having such a shape and being positioned to lead the first medium, after the first medium enters the first tank through the entrance, along a flow path in the tank wherein the first medium is in contact with the inside surface of the first tank.