Aeration element for the gasification of liquids
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United States of America Patent
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Jun 21, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
An aeration element for gasification or aeration of liquids includes an essentially flattened, rigid support element having a substantially oval cross-section and corrugated outer surfaces, the corrugated outer surfaces including ridges defining grooves therebetween; a threaded opening for receiving a cooperating fitting for connection to an air supply; and a flexible membrane of elastomeric material disposed around the support element, The membrane has a plurality of slits, and wherein compressed gas is introduced between the support element and the membrane, the gas can escape via these slits into the surrounding liquid. A retaining clamp holds the membrane around at least one end of the support element. A check valve assembly prevents backflow of liquid, particles, sludge or debris into the interior of the support element.
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