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:
May. 14, 2002
Filed:
Apr. 24, 2000
Applicant:
Inventors:
Simon Gray, Birmingham, GB;
Clive B. Ponton, Birmingham, GB;
Michael H. Jacobs, Worchester, GB;
Hugh E. Evans, Ashleworth, GB;
Assignee:
Rolls-Royce plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/500 ;
U.S. Cl.
CPC ...
B32B 1/500 ;
Abstract
A titanium aluminide turbine blade ( ) includes an aerofoil ( ), a platform ( ) and a root ( ). A protective coating ( ) is applied to the aerofoil ( ) and the platform ( ) of the turbine blade ( ). The protective coating ( ) comprises austenitic stainless steel. A chromium oxide layer ( ) is formed on the protective coating ( ). The protective coating ( ) and chromium oxide layer ( ) provides oxidation and sulphidation resistance for the titanium aluminide article ( ).