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:
Jun. 02, 2020
Filed:
Dec. 19, 2013
Rolls-royce Plc, London, GB;
Nicholas Michael Merriman, Derby, GB;
ROLLS-ROYCE PLC, London, GB;
Abstract
An aerofoil structure () for a gas turbine engine (), the aerofoil structure comprising a carbon composite aerofoil portion () and a tip portion (), wherein the tip portion comprises a tip surface () configured to face a corresponding casing structure (), the tip portion further comprising a ridge line () extending along at least a portion of the tip surface, wherein the tip surface comprises a first surface () and a second surface () provided either side of the ridge line, the ridge line being defined by the intersection of the first and second surfaces, wherein the ridge line is configured to cut into the casing structure during an interaction between the aerofoil structure and casing structure.