US 2012/0063909 A1 · FAN BLADE WITH WINGLET

Abstract

A fan blade (10) for a turbofan aero engine comprises a blade body including a root (10c) for engagement with a rotor, and a tip, wherein the tip is provided with a winglet (14).

Claims16

Dependent claims

A fan blade for a turbofan aero engine, the fan blade comprising a blade body including a root for engagement with a rotor, and a tip, wherein the tip is provided with a winglet.

Dependencies are inferred from the claim text.

Facts

Application

13/225,035Filed 2 Sep 2011

Priority

GB 1015006.89 Sep 2010

Published

15 Mar 2012

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

F01D 5/14
Blades: form or construction
F01D 5/20
Form or construction: specially-shaped blade tips to seal space between tips and stator
F01D 21/045
Responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position: special…
F05D 2220/36
In turbines: specially adapted for the fan of turbofan engines

Abstract

A fan blade (10) for a turbofan aero engine comprises a blade body including a root (10c) for engagement with a rotor, and a tip, wherein the tip is provided with a winglet (14).

Fan blade with winglet

Life of this patent

Abstract

Claims16

Fan blade with winglet

Life of this patent

Abstract

Claims16