Air-powered water circulation systems for ponds, lakes, municipal water tanks, and other bodies of water
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United States of America Patent
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Mar 7, 2017
Grant Date -
Apr 23, 2015
app pub date -
Oct 21, 2014
filing date -
Oct 22, 2013
priority date (Note) -
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Abstract
An air-powered water circulation system for ponds, lakes, municipal water tanks, and other bodies of water having a draft tube extending along and about a vertical axis between upper and lower end portions and supported by a flotation arrangement with the upper end portion slightly below the water surface. A pneumatic, air flow arrangement is then provided to supply pressurized air from an aft pump to a plurality of submerged air pipes positioned within the draft tube below the upper end portion thereof and extending inwardly from a submerged manifold toward the interior of the draft tube. In operation, pressurized air is supplied from the air pump through an air delivery conduit to the submerged air manifold and into the submerged air pipes where it is discharged as air bubbles through series of discharge holes extending along the pipes to create an overall circulation pattern in the body of water.
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