Diffuser assembly with buoyancy vessel
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United States of America Patent
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Sep 6, 2011
Grant Date -
Sep 18, 2008
app pub date -
Mar 13, 2007
filing date -
Mar 13, 2007
priority date (Note) -
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Abstract
A diffuser assembly with a buoyancy vessel and a chamber for buoyantly raising the diffuser assembly for maintenance work. The diffuser assembly has a support structure, diffusers connected to the frame, and a buoyancy vessel positioned on the frame, capable of alternating between a state of buoyancy or ballast.
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