Assembly formed by a turbine nozzle or a compressor diffuser made of CMC for a turbine engine and by an abradable material support ring, and a turbine or a compressor incorporating such an assembly
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United States of America Patent
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Nov 21, 2017
Grant Date -
Aug 14, 2014
app pub date -
Aug 30, 2012
filing date -
Sep 7, 2011
priority date (Note) -
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Abstract
A turbine nozzle or a compressor diffuser includes sectors made of CMC material, each having an inner platform, an outer platform, and airfoils. An abradable material support ring is made up of sectors, each presenting upstream and downstream attachment tabs. Each inner platform presents on the inside an upstream hook and a downstream hook, and the abradable material support ring is supported by the nozzle or the diffuser by mutually engaging without fastening together firstly the end portions of the upstream attachment tabs and the upstream hooks and secondly the end portions of the downstream attachment tabs and the downstream hooks.
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