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.
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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 |
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代理人 |
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主权项 |
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地址 |
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