Pumping device
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 26, 2022
Grant Date -
Apr 1, 2021
app pub date -
Sep 28, 2020
filing date -
Sep 28, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A pumping device has a container, an inlet pipe, a float barrel, and a discharging pipe. The container has a box containing water and a first gas, and a pressure gauge and a check valve mounted to the box. The inlet pipe connects to a water supply and has a second section erectly disposed within the box and communicating with an inside of the box. The float barrel is disposed within the box, contains a second gas, and has an opening. The second section is mounted through the opening. The discharging pipe has two opposite ends respectively communicating with a water reservoir and the inside of the box. The first gas has a pressure larger than 1 atm. The second gas has a pressure less than 1 atm. Water enters the float barrel. A water level inside the float barrel is higher than a water level inside the box.
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