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Abstract

The present invention is addressed to a multiple layer blade burst control system for use in turbine engines. The system utilizes a first inner containment ring and a second outer containment ring separated by a layer of thin ductile material. The inner containment ring and outer containment ring are each mounted to an engine housing by the use of a plurality of supporting legs. The first inner containment ring and the second outer containment ring each have complementary ribs and grooves on their respective inner and outer surfaces, so that when broken blades or blade fragments strike the inner surface of the inner containment ring, this ring absorbs the transfer of energy and moves towards the second containment ring. The movement of the inner containment ring also deforms the thin ductile material which creates an additional energy transfer. The system may also be utilized without the thin ductile layer, and a set of intermeshing protrusions and recesses. The protrusions and recesses may be either complementary or non-complementary. The system has the advantage of being light and easy to manufacture.

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First Claim