Patent ID: 11933194
Assignee: SAFRAN AIRCRAFT ENGINES
Field: Other special machines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. A fan or propeller vane for an aircraft turbomachine, the vane being made from composite material and comprising a blade and a root, the root being formed by a longitudinal end of a spar which is formed by a fibrous reinforcement formed of three-dimensionally woven threads and a portion of which extends inside the blade, said blade having an aerodynamic profile defined by a skin formed by woven threads and surrounding said portion of the spar, the spar and the skin being embedded in a polymerized resin, wherein said portion of the spar comprises protruding longitudinal stiffeners which delimit between them spaces for housing longitudinal inserts formed from a cellular material.