Safran Helicopter Engines

Jérôme Beugniez

Laurence Vial

Bruno Frelon

Yann Bellot

Turbomachine hollow blade () comprising at least one vane () having lateral walls () which are intended to guide a flow in a flow path around the vane and which are fixed to a first platform () at a first longitudinal end of the vane (), the vane () further comprising an internal cavity between the lateral walls (), which cavity is intended for passing a vane-cooling fluid, with a fluid inlet opening () opening through said first platform (), characterized in that a gyroid surface network () fills at least part of the cavity, being arranged therein so as to guide the cooling fluid, and is in contact with at least part of the lateral walls ().

Growing community of inventors

Moissy-Cramayel, France

Jérôme Beugniez