COMPOSITE COMPRESSOR VANE OF AN AXIAL TURBINE ENGINE
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United States of America Patent
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Jul 14, 2016
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Jul 22, 2015
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Abstract
A vane of a low pressure compressor of an axial turbine engine. The vane can be connected to the rotor or to the stator. The vane includes an airfoil forming a body in composite material with an organic matrix, and a reinforcing frame. This frame displays a base of a vane intended to be welded to the compressor drum, an upstream portion extending from the base and forming the leading edge of the vane, and a stiffener. The stiffener is situated at a central position of the base and remains enveloped in the airfoil of the vane. In the core, it forms a strip with orifices. The frame also has a cut-out separating the upstream portion from the stiffener, the upstream portion extending from the base along the height of the stiffener. This architecture reduces the mass of the frame, while preserving the general stiffness.
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