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    • 1. 发明授权
    • Solar-powered turbocompressor heat pump system
    • 太阳能涡轮压缩机热泵系统
    • US4464908A
    • 1984-08-14
    • US407539
    • 1982-08-12
    • Abraham M. LandermanFrank R. BiancardiGorken MelikianMaurice D. MeaderCharles E. KeplerTorger J. AndersonJames W. Sitler
    • Abraham M. LandermanFrank R. BiancardiGorken MelikianMaurice D. MeaderCharles E. KeplerTorger J. AndersonJames W. Sitler
    • F02C1/05F25B11/00F25B27/00
    • F25B27/005F02C1/05F25B11/00
    • The turbocompressor comprises a power turbine (14) and a compressor turbine (16) having respective rotors (18) and (20) on a common shaft (22), rotatably supported by bearings (26) and (28). A first working fluid is supplied by a power loop (32) and is expanded in the turbine (14). A second working fluid is compressed in the turbine (16) and is circulated in a heat pump loop (70). A lubricant is mixed with the second working fluid but is excluded from the first working fluid. Bearings (26) and (28) are cooled and lubricated by a system which circulates the second working fluid and the intermixed lubricant through the bearings (26) and (28). Such system includes a pump (126), a thermostatic expansion valve (150) for expanding the working fluid into the space (152) between the bearings (26) and (28), and a return conduit system (154, 156, 158) for withdrawing the expanded working fluid after it passes through the bearings and for returning the working fluid to the evaporator (82). A shaft seal (30) excludes the lubricant from the power turbine (14). The power loop (32) includes a float (208) operable by liquid working fluid in the condenser (46) for controlling a recirculation valve (206) so as to maintain a minimum liquid level in the condenser, while causing a feed pump (48) to pump most of the working fluid into the vapor generator (34). The heat pump compressor loop (70) includes a float (222) in the condenser (78) for operating an expansion valve (88) to maintain a minimum liquid working fluid level in the condenser (78) while causing most of the working fluid to be expanded into the evaporator (82).
    • 涡轮压缩机包括动力涡轮机(14)和压缩机涡轮机(16),所述压缩机涡轮机(16)在公共轴(22)上具有由轴承(26)和(28)可旋转地支撑的相应的转子(18)和(20)。 第一工作流体由动力回路(32)提供,并在涡轮机(14)中膨胀。 第二工作流体在涡轮机(16)中被压缩并且在热泵回路(70)中循环。 润滑剂与第二工作流体混合,但不包括在第一工作流体中。 轴承(26)和(28)通过使第二工作流体和混合润滑剂循环通过轴承(26)和(28)的系统被冷却和润滑。 这种系统包括泵(126),用于将工作流体膨胀到轴承(26)和(28)之间的空间(152)中的恒温膨胀阀(150)和返回管道系统(154,156,158) 用于在膨胀的工作流体通过轴承之后抽出膨胀的工作流体并使工作流体返回到蒸发器(82)。 轴封(30)不包括来自动力涡轮机(14)的润滑剂。 动力回路(32)包括可在冷凝器(46)中由液体工作流体操作的浮子(208),用于控制再循环阀(206),以便在冷凝器中保持最小液位,同时使进料泵 )将大部分工作流体泵送到蒸汽发生器(34)中。 热泵压缩机回路(70)包括在冷凝器(78)中的用于操作膨胀阀(88)的浮子(222),以在冷凝器(78)中保持最小的液体工作流体液位,同时使大部分工作流体 膨胀到蒸发器(82)中。
    • 2. 发明授权
    • Laser beam welding apparatus
    • 激光束焊接设备
    • US4088865A
    • 1978-05-09
    • US646054
    • 1976-01-02
    • George T. PetersGorken MelikianFrank R. Biancardi
    • George T. PetersGorken MelikianFrank R. Biancardi
    • B23K26/067B23K26/10B23K26/28B23K26/00
    • B23K26/067B23K26/103B23K26/282B23K2201/06
    • Welding apparatus featuring a right angle beam handling tube for directing a fixed laser beam from an entrance to the tube to a rotatably supported output reflector in a focus head mounted on an outlet of the tube. The tube has upstream and downstream duct sections which are independently extendible and retractable relative to their juncture, the juncture and a laser beam translating mirror mounted therein being movable only in a linear direction coincident with the incoming beam axis along the upstream duct section to ensure beam alignment with the entrance and outlet of the right angle beam handling tube while permitting the distances therebetween to vary to selectively position the focus head relative to a workpiece.
    • 具有直角光束处理管的焊接装置,用于将固定的激光束从入口引导到管道上的可旋转地支撑的输出反射器,该反射器安装在管的出口上。 管具有相对于其接合部可独立地延伸和缩回的上游管道部分和下游管道部分,其中安装在其中的接合部和激光束平移反射镜仅可沿着沿着上游管道部分的入射光束轴线重合的直线方向移动,以确保光束 与直角光束处理管的入口和出口对准,同时允许它们之间的距离改变以选择性地将聚焦头相对于工件定位。