Turbine blade and method for producing a turbine blade

Details Turbine blade and method for producing a turbine blade Turbine blade and method for producing a turbine blade

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/28 (2006.01) F01D 5/14 (2006.01) F01D 5/18 (2006.01)

Patent

CA 2366842

The invention relates to a turbine blade (1) which extends along a principal axis (2) from a bottom area (4) via a blade area (6) that can be subjected to hot gas to a top area (8). The turbine blade (1) is essentially formed of carbon that is reinforced by carbon fibres. At least the blade area (6) is provided with a blade outer wall (10) with carbon that is reinforced by carbon fibres. Said wall (10) is surrounded by a protective layer (18). The invention also relates to a method for producing a turbine blade (1).

L'invention concerne une aube de turbine (1) qui s'étend le long d'un axe principal (2) entre une zone de base (4) et une zone tête (8) en passant par une zone ailette (6) pouvant être exposée à un gaz chaud. L'aube (1) est sensiblement constituée de carbone renforcé en fibres de carbone. Au moins la zone ailette (6) présente une paroi extérieure d'aube (10) en carbone renforcé par des fibres de carbone. Cette paroi (10) est enveloppée d'une couche protectrice (18). L'invention concerne également un procédé de production d'une aube de turbine (1).

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