US Patent 7802616 Heat dissipation apparatus with heat pipes

A heat dissipation apparatus adapted for removing heat from a heat-generating electronic component, includes a conducting core, a plurality of conducting arms, a plurality of fins and a heat pipe assembly. The conducting core comprises a heat-absorbing portion contacting with the heat-generating electronic component. The conducting arms extend radially and outwardly from the conducting core. The fins extend outwardly from the respective conducting arms. Each of the heat pipes comprises an evaporating section thermally attached to the heat-absorbing portion of the conducting core and at least one condensing section thermally coupled to the respective conducting arm.