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:
Jul. 06, 2021
Filed:
Mar. 11, 2019
Rolls-royce Plc, London, GB;
Grant J. Gibson, Derby, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
A method of determining the service life of a gas turbine engine component comprises providing, within a gas turbine engine, a component having an air washed surface, the component comprises a metal, wherein the air washed surface receives a supply of cooling air from a chamber within the gas turbine engine. The method also comprises mounting a metallic test sample within the chamber so as to be located in the supply of air which is delivered to the air washed surface. The metallic test sample is constructed of the same metal as the component. The method further comprises removing the metallic test sample and determining the degree of corrosion of the metallic test sample.