Method for manufacturing the impeller of a centrifugal compressor
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United States of America Patent
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Nov 15, 2016
Grant Date -
Jul 21, 2011
app pub date -
Feb 25, 2010
filing date -
Jan 21, 2010
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Abstract
The invention relates to a method for manufacturing the impeller of a centrifugal, that is, a radial compressor or radial blower, said impeller being mounted directly on the shaft of an electric motor. An essential feature of the invention is that the composite material impeller is made using an RTM process, wherein the RTM mold has a core and accurately trimmed fabrics placed therein in such a manner that the fabric layers, or preforms, are pulled onto the core thus achieving a maximally optimized use of materials in the structure.
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