Suction hood
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United States of America Patent
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Jul 19, 2016
Grant Date -
Oct 6, 2011
app pub date -
Dec 10, 2009
filing date -
Dec 10, 2008
priority date (Note) -
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Abstract
The invention relates to a suction hood (3, 4, 5), preferably vortex hood or tornado hood, a) comprising a vortex generator (33, 43, 53) for generating a vortex air stream (336, 436, 536), b) wherein the vortex air stream comprises an at least substantially circular, cyclone, vortex and/or helix like air movement, c) such that fumes or smoke can be pulled into the suction hood (3, 4, 5) by the vortex air stream, d) comprising stabilizing means (32, 433, 54) for improving the stability of the vortex air stream.
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