| Oxygen sensor for tank safety | |
| MCCAUL, BRUCE W.; WINSEMIUS, THOMAS MAC | |
| 2014-03-11 | |
| 著作权人 | OXIGRAF, INC. |
| 专利号 | US8667977 |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Oxygen sensor for tank safety |
| 英文摘要 | Methods and embodiments are described for sampling and measuring oxygen concentrations of flowing samples drawn from the ullage of a chemical or fuel tank and from a source of inerting gas used for purging the tank. The sampled flows are drawn with a venturi pump or a pneumatically driven turbine pump and returned to the ullage of the tank. An optical absorption spectrophotometer is used having a diode laser sensor, and both sensor and the pump can be safely located near to the tank. Control systems and apparatus are disclosed for controlling the oxygen level within the ullage of the tank. |
| 公开日期 | 2014-03-11 |
| 申请日期 | 2012-03-05 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/32959]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | OXIGRAF, INC. |
| 推荐引用方式 GB/T 7714 | MCCAUL, BRUCE W.,WINSEMIUS, THOMAS MAC. Oxygen sensor for tank safety. US8667977. 2014-03-11. |
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