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    • 9. 发明申请
    • INSPECTION PORT
    • 检验港
    • US20090183516A1
    • 2009-07-23
    • US12299606
    • 2007-05-04
    • Paul C. ApplerJack BrassSteven M. KnowlesDonald L. Klipstein
    • Paul C. ApplerJack BrassSteven M. KnowlesDonald L. Klipstein
    • F25B49/00F25D23/00G01K13/00
    • F25B45/00F25B2345/006G01D11/26G01D11/28G01L19/16G01N21/0303
    • A manifold gauge set has at least one sight glass window for viewing contents of a refrigeration system or an air conditioning system being serviced. The window may be non-planar to achieve an appearance that varies with the presence or absence of liquid. Such a non-planar window may be in the form of a dome, prism or a fresnel lens. The gauge set may have a second light transmissive window to allow light to illuminate system contents being viewed. A light source may be provided to illuminate system contents being viewed. The light source may provide light through the same window that is used for viewing contents. A diffuser may be provided with a second window to achieve an illuminated background for viewing system contents. Similar configurations may be used in standalone sight glasses, vacuum pumps, and recovery machines.
    • 歧管表组具有至少一个观察窗,用于观察正在维修的制冷系统或空调系统的内容物。 窗口可以是非平面的,以实现随液体的存在或不存在而变化的外观。 这种非平面窗口可以是圆顶,棱镜或菲涅尔透镜的形式。 仪表组可以具有第二透光窗口,以允许光照亮正在观看的系统内容物。 可以提供光源来照亮正在观看的系统内容。 光源可以通过用于观看内容的相同窗口提供光。 扩散器可以设置有第二窗口以实现用于观看系统内容物的照明背景。 类似的配置可用于独立的视力眼镜,真空泵和回收机。
    • 10. 发明授权
    • Vacuum gauge and refrigeration system service tool, and methods of using the same
    • 真空计和制冷系统维修工具及其使用方法
    • US07559245B2
    • 2009-07-14
    • US11905391
    • 2007-09-28
    • Steven M. KnowlesPaul ApplerJack Brass
    • Steven M. KnowlesPaul ApplerJack Brass
    • G01L7/00
    • G01L19/0015F25B45/00F25B2345/006G01L19/16
    • A vacuum gauge has a scale having a safe zone indicia, a working zone indicia, an indicator to indicate a particular location on the scale, and a pressure sensing mechanism and housing having a pressure sensing port accessible for fluid connection to the refrigeration system to receive fluid for sensing. The indicia are distinctly coded for user differentiation. The scale may include a leak indicating zone indicia and a non-working zone indicia The safe zone indicia may represent 0 to 500 microns, the working zone indicia 500 to 2000 microns, the leak indicating zone indicia 2000 to 25,400 microns, and the non-working zone indicia 25,400 to 30,000 microns. Service tool combination includes body assembly, shaft assembly and gauge in direct sealed connection with a fitting for releasable sealed fluid connection. There are methods using the combination. Tool has gripper with cavity to receive valve core pin. Gripper has base to prevent pin from pulling gripper from tool.
    • 真空计具有具有安全区标记的刻度,工作区标记,用于指示刻度尺上的特定位置的指示器,以及具有压力感测端口的压力感测机构和壳体,所述压力感测机构和壳体可接近流体连接到制冷系统以接收 流体用于感测。 标记被明确地编码为用户差异化。 标尺可以包括泄漏指示区标记和非工作区标记安全区标记可以表示0至500微米,工作区标记为500至2000微米,泄漏指示区标记为2000至25,400微米, 工作区标记25,400至30,000微米。 服务工具组合包括主体组件,轴组件和与直接密封连接的量规,用于可释放的密封流体连接的配件。 有使用组合的方法。 工具具有带腔的夹具以接收阀芯销。 夹具具有防止销从工具上拉出夹具的基座。