Loop heat pipe for mobile computers
Date Published |
04/2002
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Publication Type | Patent
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Abstract |
A heat transfer device for a mobile computer system using a loop heat pipe, the evaporator of the loop heat pipe coupled to the processor die. The vapor space and liquid space are separated. The separation of the vapor space, and the wick structure of the liquid space, ensures that the vapor space will not be distorted or clogged by the wick structure. The heat transfer device can be bent to meet design criteria without distorting the width or radius of the vapor space. In one embodiment of the present invention the evaporator, condenser, and liquid space have different types of wick structure. Another embodiment of the present invention, the vapor space of the loop heat pipe has uniform thickness. The loop heat pipe device of the present invention provides reduced evaporator and condenser resistance and increased burn out flux, thereby increasing the power handling capacity of the device. |
Year of Publication |
2002
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Application Number |
6381135
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