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    • 66. 发明授权
    • Detecting a short in an apparatus and method for determining the thermal stability of fluids
    • 检测用于确定流体的热稳定性的装置和方法中的短路
    • US08371747B2
    • 2013-02-12
    • US12946907
    • 2010-11-16
    • David G. AndersonGuoxing Yang
    • David G. AndersonGuoxing Yang
    • G01N33/22G01N25/00
    • G01N33/2805
    • A thermal oxidation tester is shown for determining thermal stability of a fluid, particularly hydrocarbons when subjected to elevated temperatures. The tendency of the heated fluid to oxidize and (1) form deposits on a surface of a heater tube and (2) form solids therein, are both measured at a given flow rate, temperature and time. The measured results are used to determine whether a fluid sample passes or fails the test. Results of measurements can be recorded in a memory device on one end of the heater tube on which the deposits were made. A method and apparatus is also provided to determine if the isolated heater tube has an electrical short to ground through the test section housing.
    • 示出了热氧化测试仪,用于确定流体,特别是当受到升高的温度时的烃的热稳定性。 加热的流体氧化的趋势和(1)在加热器管的表面上形成沉积物,和(2)在其中形成固体,都在给定的流速,温度和时间下测量。 测量结果用于确定流体样品是否通过或未通过测试。 可以将测量结果记录在其上制备沉积物的加热器管的一端上的存储器件中。 还提供了一种方法和装置,用于确定隔离的加热器管是否具有通过测试部分壳体接地的电短路。