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.

Date of Patent:
Jul. 28, 2015

Filed:

May. 08, 2012
Applicant:

Adam M Bagnall, Belper, GB;

Inventor:

Adam M Bagnall, Belper, GB;

Assignee:

ROLLS-ROYCE plc, London, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 5/14 (2006.01); F01D 9/06 (2006.01);
U.S. Cl.
CPC ...
F01D 5/141 (2013.01); F01D 9/041 (2013.01); F01D 9/065 (2013.01); Y02T 50/671 (2013.01); Y02T 50/673 (2013.01); Y10T 29/49238 (2015.01);
Abstract

A method of reducing the fluid flow effects of one or more flow modifiers () in a passage (), the method comprising: providing a plurality of aerofoil structures () in the passage (), wherein the geometry of each aerofoil structure () is initially substantially the same; and shortening the trailing edge () of one or more selected aerofoil structures () in a chordwise direction and over at least a spanwise portion of the one or more selected aerofoil structures such that, when in use, the direction of the fluid flow () in the vicinity of the one or more selected aerofoil structures is altered and the fluid flow effects of the one or more flow modifiers () in the passage are reduced.


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