Hydraulic and earth engineering – Drainage or irrigation
Patent
1998-01-23
2000-10-17
Taylor, Dennis L.
Hydraulic and earth engineering
Drainage or irrigation
405 52, E03F 100, E02B 1100
Patent
active
061321362
ABSTRACT:
A drainage water pumping system. A number of drainage pumps are positioned at two different levels. Drainage water flowing into a drainage water pumping system from an underground inflow main pipeline is pumped to a discharge destination. Preferably the drainage pumps installed at the lower installation level have a high pump head and a small capacity, while the drainage pumps installed at the higher installation level have a low pump head and a large capacity. The drainage pumps can be in a circular arrangement with a congregated delivery pipeline installed lengthwise at the center of the circular arrangement and having each of the drainage pumps connected to it.
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Deep Underground Water Drainage Channel Water Drainage Pump System, Turbo Machines, vol. 21, No. 10.
Large Municipal Sewage Pump--Vertical Centrifugal Type for Montreal Urban Community, By: Hiroyoshi Yamamoto.
Otani Kenji
Takada Kunio
Tanaka Sadashi
Hitachi , Ltd.
Taylor Dennis L.
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