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US 4,140,592 AGranted
Gas bearing surface coating
AssigneeThe United States of America as represented by the Secretary of the Air Force
InventorVincent A. Orlando
Life of this patent
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Abstract
A method for increasing the life and reliability of beryllium gas bearings by applying a coating of chromium to one bearing surface and an anodized beryllium coating to its mating surface.
Claims6
A method for increasing the operational life and reliability of beryllium base gas bearings composed of a rotor component and a stator component which comprises:
- (a) forming a thin anodized beryllium coating on the surface of said stator;
- and
- (b) applying a thin, sputtered chromium coating to the surface of said rotor which is in mating contact with the surface of said stator.
Dependencies are inferred from the claim text.