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
WO2012078862(A3)
申请公布日期
2012.08.02
申请号
WO2011US63936
申请日期
2011.12.08
申请人
PENTAIR WATER POOL AND SPA, INC.;ROBOL, RONALD B.;HRUBY, DANIEL J.;COLVIN, JOHNATHAN STEVEN
发明人
ROBOL, RONALD B.;HRUBY, DANIEL J.;COLVIN, JOHNATHAN STEVEN