发明名称 Dual purpose vent attachment assembly
摘要 A weather cap for gas valve comprising a gas valve vent attachment member for securing to a gas valve vent outlet, a cover connected to the gas valve vent attachment member with the cover and the gas valve attachment member forming a housing having a chamber therein, a vent limiter located in the chamber, a first gas passage in the housing for permitting ingress and egress of gas into the chamber from a gas valve, and a second gas passage in the housing with the second gas passage opened to the atmosphere to permit venting of gas to the atmosphere with the second gas passage being located on an underside of the chamber to thereby shield the vent limiter from blockage by preventing rain or snow from entering the chamber.
申请公布号 US7051747(B1) 申请公布日期 2006.05.30
申请号 US20030436627 申请日期 2003.05.13
申请人 UNDERWOOD JOSEPH 发明人 UNDERWOOD JOSEPH
分类号 E03B1/00 主分类号 E03B1/00
代理机构 代理人
主权项
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