Turbine engine wheel
AssigneeSafran Helicopter Engines
InventorElena COLLADO MORATA
Life of this patent
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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.
Claims10
A wheel of a turbine engine comprising a plurality of radially extending vanes, one radially internal or external end of which is connected to an annular platform carrying annular lips extending from said platform in a direction opposite the vane between a first radial end connected to the platform and a second opposed radial free end, in order to sealingly cooperate with a radially facing ring, wherein one of the upstream lip and of the downstream lip is of a first type or of a second type, with the first type corresponding to one lip having the upstream face which is concave curved and the downstream face which is convex curved and the second type corresponding to a lip having the upstream and downstream faces which are substantially flat and mutually parallel, with the first end of said lip being arranged downstream of the second end for both the first type and the second type.
Dependencies are inferred from the claim text.