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    • 73. 发明申请
    • METHOD FOR COOLING A FLUID SUCH AS HELIUM FOR SUPPLYING A FLUID CONSUMER AND CORRESPONDING EQUIPMENT
    • 冷却流体如氦气以供应流体消费者和相应设备的方法
    • WO2009024705A3
    • 2009-05-14
    • PCT/FR2008051415
    • 2008-07-28
    • AIR LIQUIDEBRIEND PIERRE
    • BRIEND PIERRE
    • F25B9/00F25B9/06F25J1/00
    • F25B9/00F25B9/06F25B2400/16F25B2700/04F25J1/005F25J1/0052F25J1/0065F25J2270/16F25J2270/912
    • The invention relates to a method for cooling a fluid such as helium for supplying a fluid consumer, the fluid flowing in a cyclic manner successively through a compression stage (4), a fluid pre-cooling and/or cooling stage (5, 6), and an interface (1) for supplying the fluid to the consumer and collecting the fluid from the consumer. A first portion of the fluid from the pre-cooling and/or cooling stage is directed towards the interface (1), a second portion of the fluid can be directed to the pre-cooling and/or cooling stage (5, 6) based on whether the thermal load required by the consumer is low or high, and a third portion of the fluid is cooled and directed towards the accumulator (26) adapted for alternatively storing said fluid or, based on whether the thermal load required by the consumer is low or high, for delivering an amount of fluid already stored in order to cool down the first portion of the fluid directed towards the interface (1).
    • 本发明涉及一种用于冷却诸如氦之类的流体以供应流体消耗品的方法,所述流体以循环方式连续地流过压缩级(4),流体预冷和/或冷却级(5,6) 以及用于将流体供应给消费者并从消费者收集流体的接口(1)。 来自预冷却和/或冷却阶段的流体的第一部分被导向界面(1),流体的第二部分可被导向基于预冷却和/或冷却阶段(5,6) 关于消费者所需的热负荷是低还是高,并且第三部分流体被冷却并且朝向适于交替地存储所述流体的蓄积器(26),或者基于消费者所需的热负荷是 低或高,用于输送已经储存的一定量的流体,以冷却指向界面(1)的流体的第一部分。
    • 76. 发明申请
    • VENTURI DUCT FOR HEAT TRANSFER
    • VENTURI DUCT用于换热
    • WO2007002496A3
    • 2007-04-12
    • PCT/US2006024633
    • 2006-06-23
    • WILLIAMS ARTHURAGOSTA CHARLES
    • WILLIAMS ARTHURAGOSTA CHARLES
    • G05D16/00F25B13/00F28F27/00G05D23/00
    • G05D23/192F25B9/00F25B23/00F25B2341/0011
    • Heat pumps consume power in order to transfer heat from a source to a higher- temperature sink. This invention enables spontaneous heat transfer from a heat source to a small portion of the generally warmer working fluid that is locally cooled by the Bernoulli effect to a temperature below that of the heat source. The Bernoulli effect occurs in a Venturi shaped duct shaped to maintain laminar flow. Heat- transfer efficiency is improved by restriction of the heat transfer to a small portion of the Venturi in which the flow temperature, velocity, pressure gradient and the Nusselt effect all enhance heat transfer. Within this region, heat transfer is maximized by a thermally conducting grid extending across the Venturi neck.
    • 热泵消耗功率,以将热量从源传输到较高温度的水槽。 本发明使得能够从热源到通过伯努利效应局部冷却到低于热源温度的通常较暖的工作流体的一小部分的自发热传递。 伯努利效应发生在文丘里形管状,以保持层流。 通过限制传热到文丘里管的一小部分来改善热传递效率,其中流动温度,速度,压力梯度和努塞尔效应都增强热传递。 在该区域内,通过延伸穿过文丘里颈部的导热网格使热传递最大化。