A circulation path, a radiator and a reserve tank which can remove air bubbles from the fluid passageway, constitute parts of a closed circulation path, and are formed by joining a flow path wall-forming radiation board on which curved surfaces as flow path walls are formed, with a flat plate-like flow...http://www.google.de/patents/US6795312?utm_source=gb-gplus-sharePatent US6795312 - Cooling apparatus for electronic equipment
