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    • 4. 发明授权
    • Separation of solids by varying the bulk density of a fluid separating
medium
    • 通过改变流体分离介质的液体密度来分离固体
    • US4111798A
    • 1978-09-05
    • US746109
    • 1976-11-30
    • Palmer L. PetersonJames B. DuffyRichard D. Tokarz
    • Palmer L. PetersonJames B. DuffyRichard D. Tokarz
    • B01J8/20B01J8/22B03B5/44
    • B01J8/228B01J8/20B03B5/44
    • A method and apparatus for separating objects having a density greater than a selected density value from objects having a density less than said selected density value. The method typically comprises: (a) providing a separation vessel having an upper and lower portion, said vessel containing a liquid having a density exceeding said selected density value; (b) reducing the apparent density of the liquid to said selected density value by introducing solid, bubble-like bodies having a density less than that of the liquid into the lower portion of the vessel and permitting them to rise therethrough; (c) introducing the objects to be separated into the separation vessel and permitting the objects having a density greater than the apparent density of the liquid to sink to the lower portion of the vessel, while the objects having a density less than said selected density value float in the upper portion of the vessel; and (d) separately removing the higher density objects in the lower portion and the lower density objects in the upper portion from the separation vessel. The apparatus typically comprises: (a) a vessel containing a liquid having a density such that at least part of said objects having a density exceeding said selected density value will float therein; (b) means to place said objects into said vessel; (c) means to reduce the effective density of at least a portion of said liquid to said selected density value, whereby said objects having a density exceeding said selected density value sink into said liquid and said objects having a density less than said selected density value remain afloat, said means to adjust the effective density comprising solid, bubble-like bodies having a density less than said selected density value and means for introducing said bodies into said liquid; and (d) means for separately removing said objects having a density exceeding said selected density value and said objects having a density less than said selected density value from said vessel.
    • 5. 发明授权
    • High temperature measuring device
    • 高温测量装置
    • US4386049A
    • 1983-05-31
    • US229497
    • 1981-01-29
    • Richard D. Tokarz
    • Richard D. Tokarz
    • G01K5/34G01K11/00
    • G01K5/34
    • A temperature measuring device for very high design temperatures (to 2,000.degree. C.). The device comprises a homogenous base structure preferably in the form of a sphere or cylinder. The base structure contains a large number of individual walled cells. The base structure has a decreasing coefficient of elasticity within the temperature range being monitored. A predetermined quantity of inert gas is confined within each cell. The cells are dimensionally stable at the normal working temperature of the device. Increases in gaseous pressure within the cells will permanently deform the cell walls at temperatures within the high temperature range to be measured. Such deformation can be correlated to temperature by calibrating similarly constructed devices under known time and temperature conditions.
    • 温度测量装置,设计温度非常高(至2000℃)。 该装置包括优选为球体或圆柱体形式的均质基底结构。 基础结构包含大量单独的壁细胞。 基础结构在被监测的温度范围内具有降低的弹性系数。 预定量的惰性气体被限制在每个电池内。 电池在器件的正常工作温度下尺寸稳定。 细胞内的气体压力的增加将在要测量的高温范围内的温度下使细胞壁永久变形。 这种变形可以通过在已知的时间和温度条件下校准类似构造的装置来与温度相关。