Patent ID: 7143815
Filing Date: 2006-12-05
Classification: H01L,Y10S

Abstract:
1. A liquid cooling device comprising: a casing comprising a heat-absorbing base and a lid hermetically mounted on the base, a protrusion projecting upwardly from the lid and a container being defined in the protrusion of the lid to accommodate liquid for circulation; a liquid inlet port and a liquid outlet port being provided at the same side of the protrusion of the lid, the liquid inlet port and the liquid outlet port communicating with the container, through the liquid inlet port the liquid entering the container and through the liquid outlet port the liquid leaving the container, the liquid inlet port defining a funnel shaped channel having radiuses gradually descended along a liquid flow direction so as to increase an extent of liquid impact on the base, wherein a height of the channel of the liquid inlet port is higher than that of the container; an actuator for urging circulation of said liquid in the liquid cooling device; pipes connecting the container and actuator via the liquid inlet port and liquid outlet port to establish the circulation of the liquid, and a radiator located in the circulation of the liquid for removing heat from the liquid passing through the radiator.