FAN BLADE EDGE
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United States of America Patent
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Issued Date -
Oct 29, 2015
app pub date -
Apr 20, 2015
filing date -
Apr 28, 2014
priority date (Note) -
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Abstract
The invention relates to the blades of a fan wheel. The invention particularly relates to a hollow profiled blade for a fan wheel. A hollow profiled blade according to the invention for a fan wheel is made from a planar semi-finished product and has a leading edge and a trailing edge as well as a compression side and a suction side. A hollow area is formed in the interior of the hollow profiled blade whereby the part of the planar semi-finished product forming the one side of the hollow profiled blade extends over the part of the planar semi-finished product forming the other side of the hollow profiled blade.
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