| 发明名称 | Apparatus to visually indicate a leak from a relief valve | ||
| 摘要 | Apparatus to visually indicate a leak from a relief valve are disclosed. In one example, an apparatus is disclosed that includes a pipe plug having a head and a shaft. The pipe plug is to attach to a relief valve. An opening is to extend through the head and shaft. The apparatus also includes a first flexible membrane to cover an end of the opening. In some examples, the first flexible membrane is to expand when fluid is released via the relief valve into the opening of the pipe plug. | ||
| 申请公布号 | US9109711(B2) | 申请公布日期 | 2015.08.18 |
| 申请号 | US201213720592 | 申请日期 | 2012.12.19 |
| 申请人 | TESCOM CORPORATION | 发明人 | Mattson Scott Douglas;Burgett Eric Jacob;Logan Thomas William |
| 分类号 | F16K17/16;F16K37/00;F16K17/04 | 主分类号 | F16K17/16 |
| 代理机构 | Hanley, Flight & Zimmerman, LLC | 代理人 | Hanley, Flight & Zimmerman, LLC |
| 主权项 | 1. An apparatus comprising: a pipe plug having a head and a shaft, the pipe plug to attach to a relief valve, wherein an opening is to extend through the head and shaft, the relief valve and the pipe plug disposed within a transparent tube that is sealed off from an external environment; and a first flexible membrane to cover an end of the opening. | ||
| 地址 | Elk River MN US | ||