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. 08, 2020
Filed:
Apr. 10, 2019
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Steven Hillier, Manchester, GB;
Assignee:
Rolls-Royce plc, London, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/12 (2006.01); F01D 5/18 (2006.01); F01D 5/28 (2006.01); B28B 23/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/188 (2013.01); B28B 23/00 (2013.01); F01D 5/284 (2013.01); F01D 25/12 (2013.01); F05D 2220/32 (2013.01); F05D 2230/31 (2013.01); F05D 2250/61 (2013.01); F05D 2250/711 (2013.01); F05D 2250/712 (2013.01); F05D 2300/6033 (2013.01); F05D 2300/612 (2013.01);
Abstract
The disclosure relates to a ceramic matrix composite (CMC) aerofoil. Example embodiments include an aerofoil comprising first and second tubular CMC cores () extending along a longitudinal axis of the aerofoil; and an outer CMC layer surrounding the first and second tubular CMC cores () and defining an outer shape of the aerofoil having leading and trailing edges, wherein fibres within a wall of the second tubular CMC core extend to the trailing edge of the aerofoil.