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    • 3. 发明授权
    • Pulse tube refrigerator
    • 脉管冰箱
    • US5701743A
    • 1997-12-30
    • US722873
    • 1996-09-26
    • Yasumasa HagiwaraShinichi Yatsuzuka
    • Yasumasa HagiwaraShinichi Yatsuzuka
    • F25B9/00F25B9/14
    • F25B9/145F25B2309/1411F25B2309/1417F25B2309/14241
    • To improve cooling efficiency of a pulse tube refrigerator, it is found that creating two conditions in the refrigerator, particularly in a regenerator is effective. In a first condition, working fluid in the regenerator should be compressed or expanded without having any displacement thereof, while it should be displaced without compression or expansion in a second condition. In order to realize this idea, a fluid displacement control valve assembly including two relief valves is disposed between a pulse tube and a buffer tank. Each of the relief valves is a normally closed one-way valve, and the valves open in opposite directions to one another when a pressure difference between the pulse tube and the buffer tank reaches a predetermined value, thus allowing the working fluid to be displaced after its compression from the pulse tube to the buffer tank and after its expansion from the buffer tank to the pulse tube. Further, an electro-magnetic valve is installed in parallel with a set of the regenerator and the pulse tube. The electro-magnetic valve is controlled so that it opens or closes in an alternate timing with the fluid displacement control valve assembly, thus making it possible to pressurize the working fluid from both ends of the set of the regenerator and the pulse tube and to bring a cool end portion which cools off an article to be cooled to a neighborhood of a nodal point of a standing wave generated by a compressor.
    • 为了提高脉冲管制冷机的冷却效率,发现在冰箱,特别是在再生器中产生两个条件是有效的。 在第一条件下,再生器中的工作流体应当被压缩或膨胀而不会有任何位移,而在第二个状态下,工作流体应该被压缩或膨胀。 为了实现这个想法,在脉冲管和缓冲罐之间设置包括两个溢流阀的流体位移控制阀组件。 每个安全阀是常闭单向阀,当脉冲管和缓冲罐之间的压力差达到预定值时,阀门彼此相反的方向打开,从而允许工作流体在 其从脉冲管压缩到缓冲罐,并从缓冲罐膨胀到脉冲管。 此外,与一组再生器和脉冲管并联安装电磁阀。 控制电磁阀使其与流体排量控制阀组件在交替的定时打开或关闭,从而使得可以从再生器组和脉冲管两端的工作流体加压,并带来 冷却的端部将冷却的物品冷却到由压缩机产生的驻波的节点附近。
    • 6. 发明授权
    • Liquid pump and Rankine cycle apparatus
    • 液体泵和兰金循环仪
    • US07503176B2
    • 2009-03-17
    • US11070031
    • 2005-03-01
    • Shinichi YatsuzukaShuzo OdaKatsuya KomakiYasumasa Hagiwara
    • Shinichi YatsuzukaShuzo OdaKatsuya KomakiYasumasa Hagiwara
    • F01K1/00
    • F04F1/04F01K9/02
    • A liquid pump for circulating working fluid (water) in a Rankine cycle comprises a U-shaped fluid vessel having a bending pipe portion and a pair of straight pipe portions, wherein a heating device and a cooling device are provided at one of the straight pipe portions for heating and cooling the water in the fluid vessel. The liquid pump further has a discharge pipe portion and an inlet pipe portion, and check valves are respectively provided in the discharge and inlet pipe portions. The water is vaporized by a heating operation of the heating device to increase pressure of the working fluid in the pump, so that the working fluid is discharged. The vaporized working fluid is then cooled down by the cooling device to decrease the pressure of the working fluid in the pump, so that the working fluid is sucked into the pump.
    • 用于在兰金循环中循环工作流体(水)的液体泵包括具有弯曲管部分和一对直管部分的U形流体容器,其中加热装置和冷却装置设置在直管 用于加热和冷却流体容器中的水的部分。 液体泵还具有排出管部分和入口管部分,并且止回阀分别设置在排出和入口管部分中。 通过加热装置的加热操作使水蒸发,以增加泵中的工作流体的压力,从而排出工作流体。 蒸发的工作流体然后通过冷却装置冷却,以降低泵中的工作流体的压力,使得工作流体被吸入泵中。
    • 7. 发明申请
    • Steam Engine
    • 蒸汽机
    • US20080307790A1
    • 2008-12-18
    • US12228414
    • 2008-08-11
    • Shinichi YatsuzukaShuzo OdaYasumasa HagiwaraToshiyuki MorishitaKatsuya Komaki
    • Shinichi YatsuzukaShuzo OdaYasumasa HagiwaraToshiyuki MorishitaKatsuya Komaki
    • F01K23/06
    • F01K27/005
    • A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid pressure change in the fluid container, to generate an electric power. In such a steam engine, an inner radius “r1” of the cooling portion is made to almost equal to a depth “δ1” of the thermal penetration, which is calculated by the following formula (1); δ 1 = 2  a 1 ω ( 1 ) wherein, “a1” is a heat diffusivity of the working fluid at its low pressure, and “ω” is an angular frequency of the movement of the working fluid.
    • 蒸汽发动机具有管状流体容器,分别设置在流体容器的加热和冷却部分处的加热和冷却装置以及连接到流体容器的输出装置,使得输出装置由流体压力变化 在流体容器中产生电力。 在这种蒸汽机中,冷却部分的内半径“r1”几乎等于热穿透深度“delta1”,其通过下式(1)计算: delta > 1 = 2 < 1 > “a1”是工作流体在其低压下的热扩散率,“ω”是工作流体的运动的角频率。
        • 9. 发明授权
        • Steam engine
        • 蒸汽机
        • US07424802B2
        • 2008-09-16
        • US11132653
        • 2005-05-19
        • Shinichi YatsuzukaShuzo OdaYasumasa HagiwaraToshiyuki MorishitaKatsuya Komaki
        • Shinichi YatsuzukaShuzo OdaYasumasa HagiwaraToshiyuki MorishitaKatsuya Komaki
        • F01B1/00F01K13/00
        • F01K27/005
        • A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid pressure change in the fluid container, to generate an electric power. In such a steam engine, an inner radius “r1” of the cooling portion is made to almost equal to a depth “δ1” of thermal penetration, which is calculated by the following formula (1); δ 1 = 2 ⁢ a 1 ω ( 1 ) wherein, “a1” is a heat diffusivity of the working fluid at its low pressure, and “ω” is an angular frequency of the movement of the working fluid.
        • 蒸汽发动机具有管状流体容器,分别设置在流体容器的加热和冷却部分处的加热和冷却装置以及连接到流体容器的输出装置,使得输出装置由流体压力变化 在流体容器中产生电力。 在这种蒸汽机中,冷却部分的内半径“r 1”几乎等于通过下式(1)计算的热穿透深度“delta1”; delta 1 = 2 1 omega 其中, “a 1”是工作流体在其低压下的热扩散率,“ω”是工作流体的运动的角频率。