Method for manufacturing a turbine engine vane made of a composite material, resulting vane and turbine engine including same

A turbine engine rotor blade comprising an airfoil, an outer platform forming a blade head situated at a longitudinal end of the airfoil and having an inside face defining a flow passage and an outside face opposite from the inside face, and head wipers extending from the outside face of the head and connecting with said outside face in a direction that is substantially circumferential;

• the blade being a single piece of composite material comprising multilayer woven fiber reinforcement densified by a matrix;
• and
• the fiber reinforcement being a single piece with a first portion forming reinforcement for the airfoil and a second portion forming reinforcement for the head and reinforcement for the head wipers;
• in which blade the second portion of the fiber reinforcement comprises a set of yarn layers all interlinked by weaving, apart from in separation zones between the reinforcement for the head wipers and the reinforcement for the head, wherein the separation zones are formed during the weaving of the set of yarn layers.

A turbine engine stator blade comprising an airfoil, a first platform situated at a longitudinal end of the airfoil and having an inside face defining a flow passage and an outside face opposite from the inside face, and blade mounting hooks extending from the outside face of the first platform and connecting with said outside face in a direction that is substantially circumferential;

• the blade being a single piece of composite material comprising multilayer woven fiber reinforcement densified by a matrix;
• and
• the fiber reinforcement being a single piece with a first portion forming reinforcement for the airfoil and a second portion forming reinforcement for the first platform and reinforcement for the mounting hooks;
• in which blade the second fiber reinforcement portion comprises a set of yarn layers all interlinked by weaving, apart from in separation zones between the reinforcement for the mounting hooks and the reinforcement for the first platform, wherein the separation zones are formed during the weaving of the set of yarn layers.

A turbine engine stator blade comprising an airfoil, a first platform situated at a longitudinal end of the airfoil and having an inside face defining a flow passage and an outside face opposite from the inside face, and at least one abradable support element extending from the outside face of the first platform and connecting with said outside face in a direction that is substantially circumferential;

• the blade being a single piece of composite material comprising multilayer woven fiber reinforcement densified by a matrix;
• and
• the fiber reinforcement being a single piece with a first portion forming reinforcement for the airfoil and a second portion forming reinforcement for the first platform and reinforcement for the at least one abradable support element;
• in which blade the second fiber reinforcement portion comprises a set of yarn layers all interlinked by weaving, apart from in separation zones between the reinforcement for the or each abradable support element and the reinforcement for the first platform, wherein the separation zones are formed during the weaving of the set of yarn layers.