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    • 66. 发明授权
    • Open sight glass system
    • US10288278B2
    • 2019-05-14
    • US15635487
    • 2017-06-28
    • Neville Adolphus NelsonSherwin Arlon Nelson
    • Neville Adolphus NelsonSherwin Arlon Nelson
    • F22B37/52F22B37/78F22B37/38G01F23/02
    • A sight glass system that simplifies the way a sight glass is cleaned and accessed during servicing a boiler or tank. This system allows someone to treat the boiler or tank with a cleaning liquid solution without taking off the pressure release valve of the vessel to pour in the solution. The cleaning process is now achieved easily with the sight glass system by taking off the service valve head cap to pour the treatment through the sight glass and into the boiler or tank with the shut off valves open. The system consist of a sight glass that is connected to a top and bottom valve having a removable threaded cap, a female threaded aperture on one side, and a threaded protrusion that secures the sight glass via a fastening system of a rubber washer, O-ring, and wing nut respectively. Furthermore, the top valve is designed in such a way that will allow the sight glass when not secured to slide up and out when the fastening system is unfastened. By unfastening the fastening system, the wing nut can move freely down the sight glass allowing for easy removal of the sight glass through the top valve when the cap is removed along with the rubber washer and O-ring. The top and bottom valves are connected to the main water shutoff valves respectively via a threaded member that is screwed on to the side of the valves containing a female threaded aperture.
    • 67. 发明授权
    • Fluid filter, more particularly spin-on type fluid filter
    • 流体过滤器,特别是旋转式流体过滤器
    • US6110365A
    • 2000-08-29
    • US217698
    • 1998-12-21
    • Antonius Josephus BartelsGeurt Jan Hendrik Vleemingh
    • Antonius Josephus BartelsGeurt Jan Hendrik Vleemingh
    • B01D29/21B01D35/30B01D35/31
    • B01D35/30B01D29/21Y10S210/17
    • A filter, in particular, a fluid filter of the "spin-on" type, comprising a head with an inlet space and an outlet space and with a coaxially extending connecting spigot, a housing with one open end, said housing containing an annular-cylindrical filter element and having a terminal edge that confines said open end and sealingly engages a groove provided in the body of said head and positioned coaxially around said connecting spigot, as well as an annular disc-shaped intermediate piece screwed onto said connecting spigot and supporting said filter element. An edge portion of said intermediate piece extending beyond said filter element is screwed into said housing and is provided with passage openings. Head, intermediate piece and filter housing are sealingly assembled with one single ring.
    • 过滤器,特别是“旋转式”的流体过滤器,包括具有入口空间和出口空间并具有同轴延伸的连接插口的头部,具有一个开口端的壳体,所述壳体包含环形的, 圆柱形过滤器元件,并且具有限定所述开口端并且密封地接合设置在所述头部的主体中并且同轴地围绕所述连接插口定位的凹槽的端子边缘以及螺纹连接到所述连接插口上的环形盘形中间件,并且支撑 所述过滤元件。 延伸超过所述过滤元件的所述中间件的边缘部分被拧入所述壳体中并且设置有通道开口。 头,中间件和过滤器壳体与一个单个环密封组装。