TURBINE ENGINE WHEEL
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United States of America Patent
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Sep 9, 2016
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Jun 29, 2016
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Abstract
The invention relates to a turbine wheel (34) comprising a plurality of vanes connected to an annular platform (24) carrying annular lips (36, 38). According to the invention, one of the upstream lip (38) and the downstream lip (36) is of a first type or of a second type, with the first type corresponding to one lip (36) having the upstream face (36a) which is concave curved and the downstream face (36b) which is convex curved and the second type corresponding to a lip (38) having the upstream (38a) and downstream (38b) faces which are substantially flat and mutually parallel.
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