Stator Blades of an Axial Turbocompressor and Manufacturing Process
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Nov 21, 2013
filing date -
Nov 21, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present application relates to a stator of an axial turbomachine compressor having an external shell with a row of openings and an internal annular groove designed to hold an annular layer of abradable material forming a strip. The stator further includes a row of stator blades adjacent to the row of openings. The stator blades include platforms with surfaces matching the openings, the said platforms being fitted in the openings so as to mask them. Weld beads fix the platforms at their junctions with the openings. On one side of the row of stator blades a portion of the weld bead is situated axially in the internal annular groove. The present application also relates to methods of manufacturing the stator.
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