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164 条记录 (耗时 0.015 秒)

    Automatic self-testing low-water cut-off
    51.
    发明授权
    Automatic self-testing low-water cut-off 失效
    自动自检低水准切割

    公开(公告)号：US3776200A

    公开(公告)日：1973-12-04

    申请号：US3776200D

    申请日：1972-09-01

    申请人： WATTS REGULATOR CO

    发明人： TINE S ,  RUSHFORTH C

    IPC分类号： F22B37/42

    CPC分类号： F22B37/425 ,  F22B37/42

    摘要： A system for preventing ''''dry-boiler'''' failures which includes a float mechanism for detecting the water level in a heated reservoir and a device for testing the float mechanism to determine if it is operating properly and for preventing activation of the burner if improper operation is detected. If the float mechanism is operating properly but the water level is below a pre-determined safety level, then activation of the burner can be prevented and various alarms actuated to notify the operator.

    摘要翻译： 一种用于防止“干锅炉”故障的系统，其包括用于检测加热容器中的水位的浮动机构和用于测试浮动机构的装置，以确定其是否正常工作，以及如果不正确的操作是防止燃烧器的启动 检测到。

    Backflow preventer
    52.
    发明授权
    Backflow preventer 失效
    回流预防器

    公开(公告)号：US3747621A

    公开(公告)日：1973-07-24

    申请号：US3747621D

    申请日：1971-11-02

    申请人： WATTS REGULATOR CO

    发明人： TINE S

    IPC分类号： E03C1/10 ,  F16K17/08 ,  F16K17/04

    CPC分类号： E03C1/106 ,  E03C1/108 ,  F16K17/085 ,  Y10T137/3331 ,  Y10T137/7668

    摘要： An in line assemblage of a cross-connection control valve that permits ready removal or insertion of a cross-connection control valve in a cartridge-like manner is achieved by providing a control valve module that includes a valved inlet and outlet and a venting port, and by providing an in line housing having a body shaped and arranged to receive therein in operative association the control valve module. The in line housing includes a removable cover which cooperates with the module to prevent dislocation of the module within the housing body, but when removed permits of rapid removal and accurate insertion of a module into the housing body.

    摘要翻译： 通过提供一个控制阀模块来实现交叉连接控制阀的在线组合，所述交叉连接控制阀允许以盒状方式准备移除或插入交叉连接控制阀，所述控制阀模块包括带阀的入口和出口以及排气口， 并且通过提供一种在线壳体中，该壳体具有形状和布置成在其中以可操作关联的方式接收控制阀模块。 在线壳体包括可移除的盖，其与模块配合以防止模块在壳体内脱位，但是当被移除时允许快速移除并将模块准确地插入到壳体中。