The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2018
Filed:
Sep. 22, 2015
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventors:
Tetyana P. Shmyreva, Indianapolis, IN (US);
Brad F. Wiley, Indianapolis, IN (US);
Gabrielle M. Casey, Indianapolis, IN (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F16H 57/02 (2012.01); C25D 11/02 (2006.01); C25D 11/24 (2006.01); C23C 28/00 (2006.01); F01D 25/24 (2006.01); C23C 24/04 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); C23C 24/04 (2013.01); C23C 28/345 (2013.01); C25D 11/026 (2013.01); C25D 11/246 (2013.01); F01D 25/24 (2013.01); F16H 57/02 (2013.01); B05D 2202/20 (2013.01); B05D 2350/63 (2013.01); F05D 2220/32 (2013.01); F05D 2230/90 (2013.01); F05D 2300/121 (2013.01); F05D 2300/125 (2013.01); F05D 2300/514 (2013.01); F05D 2300/607 (2013.01); F05D 2300/611 (2013.01); Y02T 50/671 (2013.01);
Abstract
A gearbox adapted for use with a gas turbine engine and a method for making the same are disclosed herein. The gearbox comprising a housing made from a magnesium alloy, and an aluminum oxide coating on the magnesium alloy housing. The aluminum oxide coating may inhibit corrosion of the housing, and may have a nano-microcrystalline structure that defines an inner region bonded directly to the housing and an outer region spaced apart from the housing.