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    • 1. 发明授权
    • Expansion turbine having a variable nozzle mechanism
    • 膨胀涡轮具有可变的喷嘴机构
    • US08113769B2
    • 2012-02-14
    • US12058901
    • 2008-03-31
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • F01D17/12
    • F02C1/02F01D15/005F01D17/165F05D2220/76F25B9/06
    • Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the turbine impeller by driving a nozzle member disposed near the outside end of the adiabatic expansion device by a drive force from a driving member located outside the vacuum container; a plate member provided detachably in contact with the outside end of the body of the adiabatic expansion device, wherein the support side of the nozzle member is connected to and supported by the plate member, and the drive side of the nozzle member is connected to and supported by the driving member.
    • 具有可变喷嘴机构的膨胀涡轮机包括位于真空容器中的绝热膨胀装置,其中具有涡轮机叶轮,其中在非常低温的气体的绝热膨胀期间旋转并驱动涡轮叶轮,并且改变引入的极低温气体的喉部面积 所述涡轮叶轮通过驱动来自位于所述真空容器外部的驱动构件的驱动力驱动设置在所述绝热膨胀装置的外端附近的喷嘴构件; 与绝热膨胀装置的本体的外端可拆卸地设置的板构件,其中,所述喷嘴构件的支撑侧连接并由所述板构件支撑,并且所述喷嘴构件的驱动侧与 由驾驶员支持。
    • 3. 发明申请
    • EXPANSION TURBINE
    • 膨胀涡轮机
    • US20090028693A1
    • 2009-01-29
    • US12054880
    • 2008-03-25
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • Toshio TakahashiSeiichiro YoshinagaHirohisa Wakisaka
    • F01D15/00F01D25/12
    • F01D15/00F05D2260/903H02K49/043
    • A braking mechanism is provided that is suitable for an expansion turbine that rotates at high speed. Upper end salient poles 26a and 26b are formed in two opposite places on the outer peripheral upper end of a rotating shaft 12, and lower end salient poles 28a and 28b are formed in two opposite places on the outer peripheral lower end of the rotating shaft 12 such that they are staggered in the vertical direction with respect to the upper end salient poles 26a and 26b. A casing 22 is provided in a location facing an outer periphery of the rotating shaft 12, and an excitation coil 30 is provided on the casing 22 for forming a magnetic path between the upper end salient poles 26a and 26b and the lower end salient poles 28a and 28b. By rotation of the rotating shaft 12, and by the magnetic path formed by the excitation coil 30, eddy currents are generated in the casing 22.
    • 提供了适用于高速旋转的膨胀涡轮的制动机构。 上端凸极26a和26b形成在旋转轴12的外周上端的两个相对位置,下端凸极28a和28b形成在旋转轴12的外周下端的两个相对位置 使得它们相对于上端凸极26a和26b在垂直方向上交错。 在面向旋转轴12的外周的位置设置有壳体22,在壳体22上设置有用于在上端凸极26a和26b与下端凸极28a之间形成磁路的励磁线圈30 和28b。 通过旋转轴12的旋转以及由励磁线圈30形成的磁路,在壳体22内产生涡电流。
    • 5. 发明授权
    • Heat insulating structure for expansion turbine, and method of manufacturing the same
    • 用于膨胀涡轮机的隔热结构及其制造方法
    • US08262350B2
    • 2012-09-11
    • US12054916
    • 2008-03-25
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • F01D5/08F04D29/58
    • F01D15/005F01D25/145F05D2230/233F05D2260/903Y10T29/49236
    • A heat insulating structure for an expansion turbine includes an adiabatic expansion device including an expander body that includes an outlet passage for refrigerant fluid at a central portion thereof and an introduction chamber for refrigerant fluid communicating with an inlet of the outlet passage on an outer peripheral portion thereof, and a turbine impeller that is rotatably provided at the inlet and braked by a braking device. The adiabatic expansion device adiabatically expands refrigerant fluid by rotating the turbine impeller with refrigerant fluid that flows from the introduction chamber to the outlet passage side. A heat-insulating layer, which surrounds the entire periphery of the outlet passage over the entire length of the introduction chamber, is formed between the introduction chamber and the outlet passage. Accordingly, it is possible to improve turbine efficiency by reducing transfer of heat of refrigerant fluid from the introduction chamber to the outlet passage.
    • 用于膨胀涡轮机的绝热结构包括绝热膨胀装置,该绝热膨胀装置包括膨胀机体,该膨胀机主体包括在其中心部分处的用于制冷剂流体的出口通道和用于在外周部分与出口通道的入口连通的制冷剂流体导入室 以及可旋转地设置在入口处并由制动装置制动的涡轮叶轮。 绝热膨胀装置通过从引入室流向出口通道侧的制冷剂流体旋转涡轮叶轮,绝热地膨胀制冷剂流体。 在引入室和出口通道之间形成有在引入室的整个长度上围绕出口通道的整个周边的绝热层。 因此,可以通过减少制冷剂流体从引入室向出口通道的转移而提高涡轮效率。
    • 8. 发明授权
    • Expansion turbine having a variable nozzle mechanism
    • 膨胀涡轮具有可变的喷嘴机构
    • US08231339B2
    • 2012-07-31
    • US12057616
    • 2008-03-28
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • F04D29/44
    • F01D15/005F01D17/165
    • Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the turbine impeller by driving a nozzle member disposed near the outside end of the adiabatic expansion device by a drive force from a driving member located outside the vacuum container; wherein the driving member comprises a cylindrical member disposed coaxially with the turbine impeller, and the nozzle member is provided on the extension of the body of the cylindrical member in the axial direction.
    • 具有可变喷嘴机构的膨胀涡轮机包括位于真空容器中的绝热膨胀装置,其中具有涡轮机叶轮,其中在非常低温的气体的绝热膨胀期间旋转并驱动涡轮叶轮,并且改变引入的极低温气体的喉部面积 所述涡轮叶轮通过驱动来自位于所述真空容器外部的驱动构件的驱动力驱动设置在所述绝热膨胀装置的外端附近的喷嘴构件; 其特征在于,所述驱动部件具有与所述涡轮叶轮同轴配置的筒状部件,所述喷嘴部件沿所述轴向设置在所述筒状体的主体的延伸部上。
    • 9. 发明申请
    • HEAT INSULATING STRUCTURE FOR EXPANSION TURBINE, AND METHOD OF MANUFACTURING THE SAME
    • 用于膨胀涡轮机的热绝缘结构及其制造方法
    • US20080240911A1
    • 2008-10-02
    • US12054916
    • 2008-03-25
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • Seiichiro YoshinagaToshio TakahashiHirohisa Wakisaka
    • F01D25/08B23P15/26
    • F01D15/005F01D25/145F05D2230/233F05D2260/903Y10T29/49236
    • A heat insulating structure for an expansion turbine includes an adiabatic expansion device including an expander body that includes an outlet passage for refrigerant fluid at a central portion thereof and an introduction chamber for refrigerant fluid communicating with an inlet of the outlet passage on an outer peripheral portion thereof, and a turbine impeller that is rotatably provided at the inlet and braked by a braking device. The adiabatic expansion device adiabatically expands refrigerant fluid by rotating the turbine impeller with refrigerant fluid that flows from the introduction chamber to the outlet passage side. A heat-insulating layer, which surrounds the entire periphery of the outlet passage over the entire length of the introduction chamber, is formed between the introduction chamber and the outlet passage. Accordingly, it is possible to improve turbine efficiency by reducing transfer of heat of refrigerant fluid from the introduction chamber to the outlet passage.
    • 用于膨胀涡轮机的绝热结构包括绝热膨胀装置,该绝热膨胀装置包括膨胀机体,该膨胀机主体包括在其中心部分处的用于制冷剂流体的出口通道和用于在外周部分与出口通道的入口连通的制冷剂流体导入室 以及可旋转地设置在入口处并由制动装置制动的涡轮叶轮。 绝热膨胀装置通过从引入室流向出口通道侧的制冷剂流体旋转涡轮叶轮,绝热地膨胀制冷剂流体。 在引入室和出口通道之间形成有在引入室的整个长度上围绕出口通道的整个周边的绝热层。 因此,可以通过减少制冷剂流体从引入室向出口通道的转移而提高涡轮效率。