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US 10,883,178 B2Granted
Corrosion mitigation for gearbox
AssigneeSikorsky Aircraft Corporation
InventorsJames Sullivan, Robert Guillemette, Jinkyu Choi, Wayne E. Petroskey, Eric K. Hansen, Anthony G. Chory, Young Hanh Le Do
Life of this patent
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Abstract
A magnesium component of a rotary wing aircraft is provided including a groove including a first sidewall and a second sidewall arranged on opposing sides of a recessed opening. The first sidewall includes a deposit positioned adjacent the recessed opening. The deposit is formed by cold spraying one or more layers or powdered material within an area of the first sidewall from which material was removed.
Claims7
A magnesium component of a rotary wing aircraft comprising:
- a groove including a recessed opening located within a central portion of the groove and a first sidewall and a second sidewall arranged on opposing sides of the recessed opening, wherein the first sidewall includes an area from which material of the first sidewall was removed, wherein the area extends to the recessed opening;
- and
- a deposit arranged within the area adjacent the recessed opening, the deposit being integrally formed with the first sidewall by cold spraying one or more layers of powdered material within the area of the first sidewall from which material of the first sidewall was removed, wherein the deposit is substantially identical in size and shape to the area from which material of the first sidewall was removed.
Dependencies are inferred from the claim text.