发明名称 |
A device for automatic circulation in sewage water pump station. |
摘要 |
<p>The invention concerns a device for automatic circulation in waste water pump stations.
<??>The pump unit (2) is provided with a valve (6) at the pressure side, which is arranged to open a connection between the pump and the pump station thus obtaining a circulation. The valve is arranged at the upper side of the pump housing and directed in the flow direction (A) in the pump housing (4) thus minimizing the risk of clogging. </p> |
申请公布号 |
EP0058648(A1) |
申请公布日期 |
1982.08.25 |
申请号 |
EP19820850005 |
申请日期 |
1982.01.12 |
申请人 |
FLYGT AB |
发明人 |
CARLSSON, VALDEMAR;SZENDROI, BALINT |
分类号 |
C02F1/00;E03F5/22;(IPC1-7):03F5/22 |
主分类号 |
C02F1/00 |
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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