Navigational bypass, gate and pump device for use in water
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United States of America Patent
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-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Feb 7, 1996
filing date -
Feb 7, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A pump device includes a motor, a pump body having a first body portion and a second body portion, a shaft connected to the motor and extending into the pump body and an impeller mounted on the shaft between the first and second body portions. A four valve assembly is provided in the pump body. The first and second valves are provided in the first body portion, and the third and fourth valves are provided in the second body portion. This pump device may be used to move an attached gate through fluid. When the gate door is to be moved through the fluid in a first direction, the first valve and the fourth valve are opened (and the second and third valves are closed) so that the fluid moves through the pump body from the fourth valve to the first valve. When the gate door is to be moved in a second direction, the second valve and the third valve are opened (and the first and fourth valves are closed) so that the fluid moves through the pump body from the third valve to the second valve. This gate and pump arrangement may provide a navigational bypass in a body of water. Thus, electricity generating equipment can be included in and around the water body without closing the water to boats, ships and other water traffic.
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