Abstract: A cooling system for a computer (10) includes a thermoelectric cooler (20) attached to a side panel (14) of the computer, an internal heat sink (30) attached on an electrical component, a cooling fan (52) attached on one side of the internal heat sink, a fan duct (50) connected between the thermoelectric cooler and the cooling fan, an exhaust fan (80), and an external heat sink (70) attached on the side panel opposite to the thermoelectric cooler. When electrified, the thermoelectric cooler is polarized to generate a hot surface in contact with the side panel and a cold surface facing toward an interior of the computer. The cooling fan sucks cold air from around the cold surface, and blows the cold air through and over the internal heat sink. The air is then expelled from the computer by the exhaust fan, and directed toward the external heat sink.

Abstract: A cooling system for a computer (10) includes a thermoelectric cooler (20) attached to a side panel (14) of the computer, an internal heat sink (30) attached on an electrical component, a cooling fan (52) attached on one side of the internal heat sink, a fan duct (50) connected between the thermoelectric cooler and the cooling fan, an exhaust fan (80), and an external heat sink (70) attached on the side panel opposite to the thermoelectric cooler. When electrified, the thermoelectric cooler is polarized to generate a hot surface in contact with the side panel and a cold surface facing toward an interior of the computer. The cooling fan sucks cold air from around the cold surface, and blows the cold air through and over the internal heat sink. The air is then expelled from the computer by the exhaust fan, and directed toward the external heat sink.

Abstract: A fan duct (10) for heat dissipation includes a hollow clasp (14), a base (16), and a flexible pipe (12) connecting the hollow clasp and the base. The clasp includes a hollow first connecting portion (142) connected to an end of the flexible pipe, a hollow funnel portion (144), and an upper disc (145) attachable to a computer enclosure (50). The base has a body receiving a fan (30) therein. A pair of catches (164) depends from opposite sides of the body, to engage with a bottom surface of the fan. The base also has a hollow second connecting portion (166) connected to an opposite end of the flexible pipe, thereby attaching the fan duct to the fan. The flexible pipe is made of pliable material, so that its length and shape can be adjusted according to a particular inner configuration of the enclosure.

Abstract: A heat sink assembly includes a heat sink (40), a fan (30), and a fixing device (10). The fan has a chassis (32), and a hollow cylinder (34) extending upwardly therefrom. The heat sink has a base (42) which defines a pair of grooves (422) in a bottom surface thereof, and a plurality of fins (44) with a transverse slot (442) defined through the fins. The fixing device includes a body (12), and four resilient legs (14) depending from corners of the body. A pair of lips (22) depends from opposite edges of the body. A tab (24) extends inwardly from each lip, for engaging in the slot of the heat sink and thereby preventing the fixing device from moving laterally. A hook (18) is formed at a distal end of each leg, for engaging in the grooves and thereby attaching the fan to the heat sink.