Patent ID: 8631857

Claim:
A finned air-guiding heat-dissipating structure, comprising a heat sink having a plurality of heat-dissipating fins arranged at intervals, at least one heat-dissipating channel being formed between the adjacent heat-dissipating fins, the heat-dissipating fins forming an intake side and a first exhaust side and a second exhaust side in communication with the intake side through the heat-dissipating channels, the first exhaust side and the second exhaust side being located on both ends of the intake side and on a first side and a second side of the heat sink, the first side and the second side being opposite one another, a first exhaust trough, and a second exhaust trough spaced from and separated from said first exhaust trough, being provided on a third side and a fourth side, respectively, of the heat sink, the third side and the fourth side being opposite one another, said first and second exhaust troughs comprising wide openings, intermediate a top and a bottom of the heat-dissipating fin, and involving a minor number of the plurality of heat-dissipating fins, are open to the outside and in communication with the intake side through the heat-dissipating channels, whereby heat-dissipating airflow is also exhausted directly to the outside of the heat sink through said first and second exhaust troughs, and the first and second exhaust troughs are perpendicular to the intake side, the heat-dissipating channels, and the first and second exhaust sides, enabling heat-dissipating airflow to exhaust from the first, second, third, and fourth sides of the heat sink.