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    • 8. 发明授权
    • Leak detector valve assembly
    • 泄漏检测阀组件
    • US4077427A
    • 1978-03-07
    • US721839
    • 1976-09-09
    • Jose Rosan, Jr.Marvin P. Reece
    • Jose Rosan, Jr.Marvin P. Reece
    • F16K37/00F17D5/02G01M3/06G01M3/08G01M3/10
    • G01M3/06F16K37/00F17D5/02G01M3/086G01M3/10Y10T137/8158
    • A valve assembly for detecting leaks in a fluid system which includes an air-tight liquid chamber defined by a transparent sleeve enclosed within a removable cap having windows formed therebetween, the chamber being at least partially filled with liquid, and a plunger means provided with an orifice, including a tube means arranged to communicate between said orifice and liquid within the liquid chamber, wherein the lower end of the tube means is provided with a restraining and sealing means, whereby the upward movement is restricted thereby, and the liquid chamber is sealed during the open mode of the valve. The terminating end of the tube is formed having a beveled tip to allow ease of fluid discharge therefrom. The valve assembly is connected to the fluid line so as to allow the fluid to pass therethrough unimpeded. Depression of the plunger effectively closes the fluid line, except for the passageway afforded by the orifice and the tube, allowing fluid flow to be discharged within the liquid chamber, whereby the existence of a leak in the fluid system is readily observed, through the liquid chamber windows, in the form of escaping fluid bubbles.
    • 一种用于检测流体系统中的泄漏的阀组件,其包括由透明套筒限定的气密液体室,所述透气套筒封装在具有形成在其间的窗口的可拆卸盖内,所述室至少部分地被液体填充;以及柱塞装置, 孔,包括布置成在液室内的所述孔和液体之间连通的管装置,其中管装置的下端设置有约束和密封装置,由此限制向上运动,并且液室被密封 在阀的打开模式期间。 管的终端形成有具有倾斜尖端以允许容易从其中排出的流体。 阀组件连接到流体管线,以使流体不受阻碍地通过。 除了由孔和管提供的通道之外,柱塞的抑制有效地关闭流体管线,允许流体流在液体室内排出,从而容易地观察流体系统中的泄漏的存在,通过液体 室窗,以流体气泡的形式。