A heat dissipation device including a base portion having a plurality of projections extending radially therefrom. A cooling fluid and circulation tubes are used to increase the efficiency of the heat dissipation device by pumping the heat (via the cooling fluid) from the hot base portion to the tips...http://www.google.se/patents/US6327145?utm_source=gb-gplus-sharePatent US6327145 - Heat sink with integrated fluid circulation pump
