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    • 5. 发明专利
    • Pump, cooling device, and electronic apparatus
    • 泵,冷却装置和电子装置
    • JP2005317796A
    • 2005-11-10
    • JP2004134426
    • 2004-04-28
    • Toshiba Corp株式会社東芝
    • TOMIOKA KENTAROSAYANO AKIO
    • F04B17/00F04B35/04F04D29/02F04D29/42F25B7/00F25D9/00F25D17/02F28D15/00G06F1/20H01L23/473H05K7/20
    • H01L23/473F04D29/026F04D29/426F05D2300/21F05D2300/211F05D2300/51G06F1/203G06F2200/201H01L2924/0002H01L2924/3011H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a cooling pump which can cool a heating element such as CPU by a liquid-cooling method having a high cooling performance. SOLUTION: The cooling pump 17 comprises a rotor 39 consisting of an impeller 35 for pressurizing a liquid cooling medium which is fixed to a disc-like object fixed to a rotary shaft, and a plurality of permanent magnets which are arranged and fixed in the ring structure on the disc-like object; a case 22 which forms a pump chamber 28 that rotatably stores the rotor and is equipped with a suction port and a discharge port for the liquid cooling medium, with part 25 of the side wall of the pump chamber being a heat receiving portion; a cover 23 with a recess which seals the main body of a pump housing tightly sealed in liquidity; and an annular stator 38 which is stored in the recess and produces a rotating magnetic field by a plurality of electromagnets, and applies torque to the rotor to make it rotate around the rotary shaft. The inner surface of the pump chamber is applied with a hydrophilic surface treatment 50. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种可以通过具有高冷却性能的液体冷却方法来冷却诸如CPU的加热元件的冷却泵。 解决方案:冷却泵17包括转子39,该转子39由用于加压固定到固定到旋转轴上的盘状物体的液体冷却介质的叶轮35和多个固定在其上的永久磁铁组成 在盘状物体上的环形结构中; 壳体22,其形成可旋转地存储转子的泵室28,并且配备有用于液体冷却介质的吸入口和排出口,泵室的侧壁的部分25是热接收部分; 具有密封在壳体的主体的凹部的盖23,该泵壳体的主体被密封在流动性中; 以及环形定子38,其被存储在凹部中并通过多个电磁体产生旋转磁场,并且向转子施加扭矩以使其围绕旋转轴旋转。 泵室的内表面被施加亲水表面处理50.版权所有:(C)2006,JPO&NCIPI