Composite casing for axial turbomachine low-pressure compressor
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United States of America Patent
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Apr 2, 2019
Grant Date -
Mar 17, 2016
app pub date -
Sep 11, 2015
filing date -
Sep 12, 2014
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Abstract
The invention relates to a method for manufacturing a composite casing for an axial turbomachine low-pressure compressor. The casing comprises a circular wall and a fixing flange which with the wall forms a sharp-edged corner. The method comprises the steps of: supplying a mold with a corner configured to form the edge corner of the casing; placing a filled thermoplastic resin profile section along the corner; placing a fibrous reinforcement in the mold to hug the profile section; closing the injection mold; polymerizing a resin injected into the mold and demolding the casing. The invention also relates to a composite casing with an annular wall and a flange at one end of the wall forming a sharp-edged corner on the inside of the casing. The casing is reinforced by a fibrous perform and the edge corner is reinforced with short fibers with a mean length of less than 5.00 mm.
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