Patent ID: 7063130
Filing Date: 2006-06-20
Classification: F21V,H01L

Abstract:
1. A circular heat sink assembly comprising: a plurality of streamlined-surface fins, each of the plurality of streamlined-surface fins is made of a metal material by a mechanical manufacturing method including a press formation, and includes a main body with a streamlined surface; and a conical base made of a metal material by a mechanical manufacturing method, and comprising a main body substantially in a conical shape and the streamlined-surface of each of the plurality of streamlined-surface fins being positioned in a circular shape and having a conical connecting surface, and the conical connecting surface having a curvature selected from a group consisting of a bell-shaped cone, a circular cone, and an angular cone with various angles; wherein the plurality of the streamlined-surface fins are positioned and latched to form a circular shape, and each of the plurality of streamlined-surface fins has a groove located on a folded flange at an internal side thereof, and each groove of the plurality of streamlined-surface fins is positioned to form a circular shape, a circular latch is placed and latched into each groove, and then coupled with the conical base to form the heat sink, and a fan hook is disposed on a plastic base at a center of a fan, the fan hook passes through a center of the heat sink to hook the circular latch fixing the fan and the heat sink.