Patent ID: 9217333
Filing Date: 2015-12-22
Classification: F01D,F05C,F05D,Y02T

Abstract:
1. A composite-material turbomachine vane comprising a blade, wherein said vane comprises: a core; a skin surrounding the core; a first end; a second end; a first resin reinforced with long fiber; a second resin reinforced with short fibers, said first and second resins being chemically compatible, said long fibers serving to stiffen the vane and said short fibers dispersed in the second resin serving to fill in the parts of the vane that are not reinforced by the long fibers and giving the vane its substantially final shape; at the first end, a means for fastening said vane to an external element and wherein said means for fastening is integrated into the blade of the vane; wherein the long fibers are continuous between the blade and the means for fastening; the continuous fibers positioned in an intermediate position between the skin end and the core of the vane; the short fibers positioned at the core of the vane and between the intermediate position and the skin end; and wherein the long fibers are unidirectional or woven and wherein the short fibers have a length that is shorter than a few millimeters.