Multipositional selector valve
    2.
    发明授权
    Multipositional selector valve 失效
    多功能选择阀

    公开(公告)号:US3868970A

    公开(公告)日:1975-03-04

    申请号:US36672873

    申请日:1973-06-04

    CPC classification number: F16K11/074 Y10T137/86863

    Abstract: A valve adapted with a flow distributor enabling selection of one of a plurality of flow paths therethrough. The valve is adapted with means for attaching a plurality of chromatographic columns thereto such that flow can be directed into any of the columns, individually.

    Abstract translation: 一种阀,其适于具有能够选择通过其中的多个流动路径之一的流量分配器。 阀适用于将多个色谱柱附着到其上的装置,使得流可以单独地引导到任何柱中。

    Method and apparatus for temperature control
    7.
    发明授权
    Method and apparatus for temperature control 失效
    温度控制的方法和装置

    公开(公告)号:US3585842A

    公开(公告)日:1971-06-22

    申请号:US3585842D

    申请日:1969-05-12

    Inventor: ROOF LEWIS B

    CPC classification number: G05D23/1919

    Abstract: Apparatus and method are disclosed for maintaining the temperature of an object at a constant value by placing the object in an operating heat pipe. Also method and apparatus are disclosed for maintaining the temperature of an object in a heated chamber at a constant value by positioning a heat pipe so as to remove sufficient heat to maintain isothermal conditions in said chamber.

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