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1. 发明授权

US4454747A High-low level control test method and apparatus 失效
标题翻译：高低电平控制测试方法及装置
公开(公告)号：US4454747A
公开(公告)日：1984-06-19
申请号：US206751
申请日：1980-11-14
申请人： John H. Ecuer , Michael D. Watkins
发明人： John H. Ecuer , Michael D. Watkins
IPC分类号： G01F23/36 , G01F25/00
CPC分类号： G01F25/0069 , G01F23/36
摘要： An apparatus for testing the functioning of a float-activated liquid level control device comprises a float for activating a liquid level control device, a float cage enclosing said float, an entry port accessible from outside a separating tank through which fluid may be input directly into the float cage enclosure, and a flange connection for mounting the test apparatus inside a fluid separation tank. The method comprises connecting a fluid source to the input port of the apparatus of the instant invention, injecting fluid directly into the float cage enclosure to activate the float of the instant invention, monitoring the liquid level control device to insure that it is functioning correctly and then withdrawing the input fluid to return the float to its normal operating position.
摘要翻译：用于测试浮动激活液面控制装置的功能的装置包括用于启动液位控制装置的浮子，包围所述浮子的浮子笼，可从分离罐外部进入的入口端口，流体可通过该入口直接输入浮子笼外壳和用于将测试设备安装在流体分离槽内的法兰连接。该方法包括将流体源连接到本发明的装置的输入端口，将流体直接注入到浮子笼壳体中以激活本发明的浮子，监测液位控制装置以确保其正常工作，然后取出输入流体以将浮子返回到其正常操作位置。

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