| 发明名称 | Discharge vacuum relief valve for safety vacuum release system | ||
| 摘要 | Embodiments of the invention provide a pumping system and a discharge vacuum relief valve for use in a hydraulic system including a safety vacuum release system pump to circulate water in a swimming pool and/or a spa. The hydraulic system includes one or more check valves located on a discharge side of the safety vacuum release system pump. The discharge vacuum relief valve is capable of venting a vacuum at the discharge side of the safety vacuum release system pump during a vacuum event at a suction side of the safety vacuum release system pump. | ||
| 申请公布号 | US9243413(B2) | 申请公布日期 | 2016.01.26 |
| 申请号 | US201113314798 | 申请日期 | 2011.12.08 |
| 申请人 | Pentair Water Pool and Spa, Inc. | 发明人 | Robol Ronald B.;Hruby Daniel J.;Colvin Johnathan S. |
| 分类号 | F16K15/06;F04D15/02;E04H4/12;E04H4/16;F04D15/00 | 主分类号 | F16K15/06 |
| 代理机构 | Quarles & Brady LLP | 代理人 | Quarles & Brady LLP |
| 主权项 | 1. A pumping system for use with a hydraulic system include at least one of a swimming pool and a spa, the pumping system comprising: a safety vacuum release system pump to circulate water in one of the swimming pool and the spa; at least one check valve located on a discharge side of the safety vacuum release system pump; and a discharge vacuum relief valve capable of venting a vacuum at the discharge side of the safety vacuum release system pump during a vacuum event at a suction side of the safety vacuum release system pump. | ||
| 地址 | Sanford NC US | ||