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:
Aug. 31, 2021
Filed:
Aug. 30, 2018
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Philip Joseph, Southampton, GB;
Chaitanya Paruchuri, Southampton, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F04D 29/667 (2013.01); F01D 9/041 (2013.01); F05D 2220/323 (2013.01); F05D 2240/121 (2013.01); F05D 2260/962 (2013.01);
Abstract
An aerofoil component () defining an in use leading edge () and a trailing edge (), the leading edge () comprising at least one serration () defining a sawtooth profile projecting in a generally upstream direction, each serration () comprising a plurality of rectangular-wave projections () extending in an upstream chordwise direction from the sawtooth profile.