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热词
    • 3. 发明授权
    • Spectroanalytical system
    • 光谱分析系统
    • US4367042A
    • 1983-01-04
    • US215674
    • 1980-12-12
    • Stanley B. Smith, Jr.Carl Shapiro
    • Stanley B. Smith, Jr.Carl Shapiro
    • G01N21/72
    • G01N21/72
    • A spectroanalytical instrument includes burner structure and a nebulizer for furnishing sample in fog form for flow through a premix chamber to the burner structure. Flow structure extending from a chamber port to a drain port provides a condensate flow path from the chamber to a drain. Trap structure is disposed in series in the flow path between the chamber port and the drain port, and drain line closure apparatus is switched between a first condition in which the drain line is closed and a second condition in which the drain line is opened by a control responsive to liquid in the trap structure such that the drain line is initially closed and is opened automatically in response to accumulation of condensate liquid in the trap structure to enable maintenance of positive pressure in the premix chamber.
    • 分析仪器包括燃烧器结构和用于以雾形式提供样品的雾化器,用于通过预混合室流入燃烧器结构。 从腔室端口延伸到排水口的流动结构提供从腔室到排水管的冷凝物流动路径。 陷阱结构在腔室端口和排水口之间的流动路径中串联布置,并且排水管线关闭装置在其中排放管线关闭的第一状态和排水管路打开第二状态之间切换 响应于捕集结构中的液体的控制,使得排水管线首先关闭并且响应于冷凝液体在捕集器结构中的积聚而自动打开,以能够维持预混合室中的正压力。