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    • 3. 发明授权
    • Disposable liquid sterilizer unit
    • 一次性液体灭菌装置
    • US4141686A
    • 1979-02-27
    • US781021
    • 1977-03-24
    • James H. Lewis
    • James H. Lewis
    • A61L2/10C02F1/32C02B1/00C02B3/02
    • C02F1/325A61L2/10C02F2201/3223
    • A disposable liquid sterilizer unit incorporating an ultra-violet tube designed to generate radiation at approximately 2537 Angstroms. The unit comprises an elongated cylindrical plastic jacket opaque to ultra-violet radiation concentrically mounted about the tube to provide a chamber between the jacket and the tube for the flow of liquid to be exposed to radiation generated by the tube. The tube extends beyond the ends of the jacket and includes electrical connectors at each end for removably mounting the unit to make electrical connection with electrical connections in a casing. A seal is provided adjacent each end of the jacket against liquid flow from the chamber between the tube and the walls of the jacket to the exterior of the jacket. Inlet and outlet connections for the flow of water to and from the chamber are provided as well as a viewport through the plastic jacket. The jacket includes a central portion and two integral injection moulded end portions fixed to the central portion by an adhesive. The moulded end portions include the inlet and outlet connections. The complete unit can be readily removed from the casing and disposed of when the tube is defective or worn out. One circuit arangement provides a visual warning, while another prevents the flow of liquid past the tube when insufficient current to achieve sterilization is flowing through the tube.
    • 一次性液体灭菌器装置,其中装有紫外灯,设计用于产生大约2537埃的辐射。 该单元包括细长的圆柱形塑料外壳,不透明到紫外辐射,同时围绕管道安装,以在套管和管之间提供腔室,用于暴露于由管产生的辐射的液体流中。 管延伸超过护套的端部,并且在每个端部包括电连接器,用于可拆卸地安装单元以与壳体中的电连接进行电连接。 在护套的每个端部附近设置有密封件,用于抵抗来自管和套管壁之间的腔室到外套的液体流。 还提供了进出室的水流入口和出口连接以及通过塑料外壳的视口。 夹套包括通过粘合剂固定到中心部分的中心部分和两个整体注塑端部。 模制的端部包括入口和出口连接。 完整的单元可以容易地从壳体中移出并且当管有缺陷或磨损时被丢弃。 一个电路布置提供视觉警告,而另一个电路防止当流过管的电流不足时流过管流。
    • 5. 发明授权
    • Machine and method for the manufacture of an air-to-air heat exchanger
    • 用于制造空气 - 空气热交换器的机器和方法
    • US4554719A
    • 1985-11-26
    • US481244
    • 1983-04-01
    • James H. Lewis
    • James H. Lewis
    • B21D53/04F24F12/00F28D9/00B23P15/26
    • B21D53/04F24F12/001F28D9/0037Y02B30/563Y10T29/49366Y10T29/49915Y10T29/53122
    • A heat exchanger for transferring heat from stale air evacuated from a building to incoming fresh air employs a core made of a stack of spaced aluminum sheets that are joined along opposite edges in an alternate arrangement to define two separate sets of air passages for the respective outgoing and incoming flows, while providing good thermal contact between the two flows. This contact is improved by generating a measure of turbulence in the air flows by forming the sheets with surface nodules. The core is mounted in a frame that can be readily slid into a housing containing fans for generating the air flows. In an alternative construction, each air flow can be caused to travel in series through two parts of each set of air passages, rather than in parallel. This series arrangement has the advantage of reducing the temperature drop across any one part of the core below the total temperature difference between the inside and outside of the building. A machine is also disclosed for manufacturing such a core. It employs sliding tools for quickly forming lap joints between adjacent sheets to space them apart and form the sides of the air passages.
    • 用于将从建筑物排出的陈旧空气中的热量传递到新鲜空气的热交换器采用由堆叠的间隔开的铝板制成的芯,该堆叠的相互的边缘以交替排列方式连接,以限定用于各自出口的两组分开的空气通道 和进入流,同时在两个流之间提供良好的热接触。 通过形成具有表面结节的片材,通过产生空气流中的湍流的测量来改善该接触。 芯部安装在框架中,该框架可以容易地滑入容纳用于产生空气流的风扇的壳体中。 在替代结构中,可以使每个空气流通过每组空气通道的两部分而不是平行地串联行进。 该系列排列的优点在于,将核心的任何一部分的温度降低到建筑物内部和外部之间的总温度差之下。 还公开了用于制造这种芯的机器。 它采用滑动工具,用于在相邻的片材之间快速形成搭接接头,使它们分开并形成空气通道的侧面。
    • 10. 发明授权
    • Disposable liquid sterilizer unit
    • 一次性液体灭菌装置
    • US4255663A
    • 1981-03-10
    • US1580
    • 1979-01-08
    • James H. Lewis
    • James H. Lewis
    • A61L2/10C02F1/32A61L2/26
    • C02F1/325A61L2/10C02F2201/3223
    • A disposable liquid sterilizer unit incorporates an ultra-violet tube designed to generate radiation at approximately 2537 Angstroms. The unit comprises an elongated cylindrical plastic jacket opaque to ultra-violet radiation concentrically mounted about the tube to provide a chamber between the jacket and the tube for the flow of liquid to be exposed to radiation generated by the tube. The tube extends beyond the ends of the jacket and includes electrical connectors at each end for removably mounting the unit to make electrical connection with electrical connections in a casing. A seal is provided adjacent each end of the jacket against liquid flow from the chamber between the tube and the walls of the jacket to the exterior of the jacket. Inlet and outlet connections for the flow of water to and from the chamber are provided. The tube is double-walled, providing a sealed and preferably evacuated space between the walls to provide thermal insulation between the radiation generating parts (gas and electrodes) inside the inner wall and the outer surface of the outer wall which is exposed to cold water in the flow chamber.
    • 一次性液体灭菌器单元包含设计成产生大约2537埃的辐射的紫外线。 该单元包括细长的圆柱形塑料外壳,不透明到紫外辐射,同时围绕管道安装,以在套管和管之间提供腔室,用于暴露于由管产生的辐射的液体流中。 管延伸超过护套的端部,并且在每个端部包括电连接器,用于可拆卸地安装单元以与壳体中的电连接进行电连接。 在护套的每个端部附近设置有密封件,用于抵抗来自管和套管壁之间的腔室到外套的液体流。 提供了进出气室的入口和出口连接。 管是双壁的,在壁之间提供密封且优选的抽空空间,以在内壁内部的辐射产生部分(气体和电极)与暴露于冷水的外壁的外表面之间提供热绝缘 流动室。