Patent ID: 9664201
Date: 2017-05-30
CPC Classifications: B23P,B64C,C23C,F01D,F04D,F05D,Y02T

Claim:
1. A method of making a reinforcement for protecting a blade comprising a leading edge, a trailing edge and two side faces, the method comprising: depositing a metal coating on the leading edge by thermal spraying in compression so as to form a reinforcement in compression, and prior to the thermal spraying in compression, forming at least one longitudinal groove in the blade on either side of the leading edge, with the metal coating being deposited in the grooves, the reinforcement being U-shaped and including a base extended by two side flanges situated respectively on each side face, each side flange presenting a profile that begins by tapering going towards the trailing edge and becomes thicker towards an end portion of the flange, the flanges presenting a first thickness in the grooves and a second thickness upstream from the grooves, the first thickness being larger than the second thickness.