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US Patent 11884382 Wing tip device

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 US Patent 11884382 Wing tip device

Article

Patent abstract

A wing tip device for a fixed wing aircraft is disclosed having an alular-like projection, a first leading edge region having a first sweep angle, a second leading edge region outboard of the first leading edge region in a spanwise direction and having a second sweep angle greater than the first sweep angle, a third leading edge region outboard of the second leading edge region in the spanwise direction and adjacent a tip end of the wing tip device and having a third sweep angle greater than the first sweep angle. The second leading edge region is adapted to generate a first vortex, and the third leading edge region is adapted to generate a second vortex which builds towards the tip end of the wing tip device.

Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
118843820
Patent Inventor Names
Norman Wood0
Date of Patent
January 30, 2024
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Patent Application Number
172739120
Date Filed
August 20, 2019
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Patent Citations
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US Patent 7246998 Mission replaceable rotor blade tip section
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US Patent 7475848 Wing employing leading edge flaps and winglets to achieve improved aerodynamic performance
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US Patent 7900876 Wingtip feathers, including forward swept feathers, and associated aircraft systems and methods
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US Patent 7900877 Active winglet
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US Patent 7988099 Winglet
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US Patent 8128035 Winglets with recessed surfaces, and associated systems and methods
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US Patent 8136766 Frangible fasteners for aircraft components and associated systems and methods
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US Patent 8382041 Rakelet
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US Patent 8469315 Deployable flap edge fence
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US Patent 8544800 Integrated wingtip extensions for jet transport aircraft and other types of aircraft
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US Patent 11192630 Moveable wing tip device, an outer end of a wing, and interface therebetween
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US Patent 8651431 Aircraft with movable winglets and method of control
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US Patent 8757555 Concept of a variable winglet for lateral load reduction for combined lateral and vertical load reduction, and for improving the performance of means of locomotion
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US Patent 8894018 Method for reducing in flight wake vortices and an aircraft wingtip arrangement used in such method
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US Patent 8936219 Performance-enhancing winglet system and method
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US Patent 8944386 Split blended winglet
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US Patent 9033282 Wing tip device
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US Patent D732657 Winglet
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US Patent 9162755 Multiple controllable airflow modification devices
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US Patent 9211946 Wing fold system with latch pins through multiple mating lugs
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US Patent 11214353 Wing arrangement for an aircraft and aircraft
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US Patent 9290260 Wing fold controller
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US Patent 9296469 Horizontal folding wingtip
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US Patent 9302766 Split blended winglet
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US Patent 9381999 Wing tip with optimum loading
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US Patent 9415857 Wing fold system
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US Patent 9452825 Winglet attach fitting for attaching a split winglet to a wing
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US Patent 9469392 Wing fold system rotating latch
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US Patent 9499252 Wing fold controller
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US Patent 9499255 Wing tip device attachment apparatus and method
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US Patent 9511850 Wing tip device for an aircraft wing
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US Patent 9567066 Controllable airflow modification device periodic load control
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US Patent 9714080 Wing tip device having configurations for flight and ground-based operations
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US Patent 9764825 Active winglet
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US Patent 10106247 Split blended winglet
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US Patent 10137977 Arrangement for effecting movement of a wing tip device between a flight configuration and a ground configuration
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US Patent 10252793 Split blended winglet
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US Patent 10407181 Locking line capture devices for unmanned aircraft, and associated systems and methods
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US Patent 10421529 Swing wing tip
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US Patent 10562613 Adjustable lift modification wingtip
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US Patent 10597140 Methods of configuring a wing tip device on an aircraft
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US Patent 10625847 Split winglet
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US Patent 10696387 Helicopter rotor with a mechanical means for configuring rotor tips to control brown outs
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US Patent 10745113 Wing tip device attachment apparatus and method
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US Patent 10752338 Aircraft wing with aileron
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US Patent 10767682 Frangible fasteners with flexible connectors for unmanned aircraft, and associated systems and methods
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US Patent 10781789 Structure with rigid winglet adapted to traverse a fluid environment
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US Patent 10906630 Rotational joint for an aircraft folding wing
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US Patent 11027819 Method and a control unit for controlling actuation of a foldable wing tip section of a wing of an aircraft
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US Patent 11052990 Interface between an outer end of a wing and a moveable wing tip device
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US Patent 11279469 Airplane wing
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US Patent 11305865 Arresting system for arresting a first aircraft component relative to a second aircraft component
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US Patent 11312481 Airplane wing
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US Patent 11319054 Wing arrangement for an aircraft
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US Patent 11370526 Latching device for a wing arrangement for an aircraft
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US Patent 11396368 Airplane wing
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US Patent 11420723 Aircraft wing and wing tip device
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US Patent 11427307 Airplane wing
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US Patent 11440638 Wing for an aircraft
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US Patent 11511851 Wing tip with optimum loading
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US Patent 7070148 Aerodynamic component for controlling a landing guide path of an aircraft
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Patent Primary Examiner
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Medhat Badawi
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CPC Code
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Y02T 50/10
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B64C 3/54
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B64C 3/14
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B64C 2003/146
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B64C 23/065
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B64C 23/069
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B64C 23/072
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