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:
Dec. 26, 2017
Filed:
Feb. 04, 2015
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Ian Colin Deuchar Care, Derby, GB;
Stephane Baralon, Derby, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/20 (2006.01); F01D 5/28 (2006.01); F04D 29/02 (2006.01); F04D 29/32 (2006.01); B23P 15/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/20 (2013.01); B23P 15/04 (2013.01); F01D 5/147 (2013.01); F01D 5/282 (2013.01); F04D 29/023 (2013.01); F04D 29/324 (2013.01); F05D 2210/33 (2013.01); F05D 2220/36 (2013.01); F05D 2240/307 (2013.01); F05D 2300/603 (2013.01); F05D 2300/6032 (2013.01); F05D 2300/612 (2013.01); F05D 2300/614 (2013.01); Y10T 29/49337 (2015.01); Y10T 29/49339 (2015.01);
Abstract
There is provided a blade tip for a rotary blade. The blade tip is formed of a metal foam and comprises at least one vortex generator. The vortex generator may comprise at least one passageway and/or cavity in the blade tip. In use, a vortex is created between the blade tip and a fan casing adjacent the blade tip.