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    • 8. 发明授权
    • Integral heat pipe enclosure
    • 集成热管外壳
    • US06076595A
    • 2000-06-20
    • US176564
    • 1998-10-21
    • Thomas A. AustinStephen GreerAndrew Low
    • Thomas A. AustinStephen GreerAndrew Low
    • F28D15/02H05K7/20F28D15/00
    • H05K7/2069A61B8/546F28D15/025F28D15/0266F28D15/04
    • A passive cooling system for cooling an enclosure containing electronic components. A hollowed portion of the enclosure is formed as an integral heat pipe containing a working fluid. The hollowed portion has an evaporator section located at the top and a condenser section located at the bottom. The enclosure also has hollowed side walls which serve as passage ways for the working fluid to flow through in between the evaporator and condenser sections. Gravity and the pressure of evaporation force the working fluid down to the condenser section. A wick is provided for returning the working fluid to the evaporator section by capillary action. Additionally, an ultrasonic transducer driven by the heat rejected from the condenser section may be used to help return the working fluid to the evaporator section. Finally, a check valve may be employed before the evaporator section for the working fluid to flow through.
    • 用于冷却包含电子元件的外壳的被动冷却系统。 外壳的中空部分形成为包含工作流体的整体式热管。 中空部分具有位于顶部的蒸发器部分和位于底部的冷凝器部分。 外壳还具有中空的侧壁,其用作工作流体在蒸发器和冷凝器部分之间流过的通道。 重力和蒸发压力迫使工作流体向下流到冷凝器部分。 提供了用于通过毛细管作用将工作流体返回到蒸发器部分的芯。 此外,由冷凝器部分排出的热量驱动的超声波换能器可用于帮助将工作流体返回到蒸发器部分。 最后,可以在用于工作流体的蒸发器部分流动之前使用止回阀。