发明名称 T-fitting with one way valve and water level sensor for a sump apparatus
摘要 A sump pump assembly having a primary sump pump and a secondary sump pump and including a T-fitting for connecting together the outlets of the primary sump pump and the secondary sump pump to a common exhaust. The T-fitting contains a one-way valve on the secondary pump outlet connection and a fastening means for a water level sensing device.
申请公布号 US4631001(A) 申请公布日期 1986.12.23
申请号 US19850764868 申请日期 1985.08.09
申请人 THE SCOTT & FETZER CO. 发明人 KEECH, DAVID W.
分类号 G05D9/12;(IPC1-7):F04B41/06;F04B49/00 主分类号 G05D9/12
代理机构 代理人
主权项
地址
您可能感兴趣的专利