Matches 1 - 33 out of 33


Match Document Document Title
8960609 Minimally intrusive wingtip vortex wake mitigation using inside-mold-line surface modifications  
An airfoil tip vortex mitigation device comprising an intake port disposed in a first surface of an airfoil and an exit port in fluid communication with the intake port and disposed in a second...
8910910 Wing comprising a flow fence, and aircraft having such wings  
A wing of an aircraft has a pressure-side flow surface and a suction-side flow surface relative to an assumed main direction of attack and comprises a flow fence disposed on a flow surface,...
8870124 Application of elastomeric vortex generators  
A method of improving aerodynamic performance of foils by the application of conformal, elastomeric vortex generators. The novel use of elastomers allows the application of various forms of vortex...
8382041 Rakelet  
A rakelet comprises a raked portion and a winglet portion that selectively integrate features of raked wingtips and winglets into a wingtip device that improves aircraft endurance and range over...
8366056 Winglet  
A winglet comprising a root connected to a distal end of a wing; an upwardly angled section; a tip; and a transition between the upwardly angled section and the tip at which an outboard cant angle...
8342456 Wing tip device  
An aircraft includes a wing having a positive dihedral, the wing having a tip and a wing tip device mounted in the region of the tip. The wing tip device is generally downwardly extending and has...
8336827 Method and device for reducing the induced speeds in vortices in the wake of an aircraft  
A method and a device for creating a continuous protected space along the path of an aircraft, in which protected space a maximum induced speed Vtc in a vortex of radius Rtc in the wake of an...
8328516 Systems and methods of assembling a rotor blade extension for use in a wind turbine  
A method of assembling a blade extension assembly for use with a wind turbine. The method includes removing a tip end of a tip portion of a rotor blade and coupling a tip wall to the tip portion....
8226025 Wing tip docking system for aircraft  
A system and method for docking various types of aircraft is disclosed. An aerodynamic lifting structure docking mechanism for docking two or more aircraft is provided comprising an aerodynamic...
8096513 Aerodynamic flap of an aircraft having a device which influences the flap vortex  
A high-lift flap of an aircraft is provided having a device for influencing the flap vortex as well as a device for influencing the flap vortex at the lateral edge of the aerodynamic high-lift...
8061661 System and method for reducing airfoil vortices  
A system and a method according to the invention reduce wake turbulence of an aircraft in that a component affixed to the extremity of the wing of an aircraft disturbs the rolling action of the...
7988100 Wing tip device  
An aircraft includes a wing having a positive dihedral, the wing having a tip and a wing tip device mounted in the region of the tip. The wing tip device is generally downwardly extending and has...
7780120 Flight control method and apparatus to produce induced yaw  
A method of controlling an aircraft in a turn without the use of a rudder by producing induced yaw. Induced yaw being produced by creating a net induced drag differential between an inboard wing...
7744038 Controllable winglets  
Systems and methods for providing variable geometry winglets to an aircraft are disclosed. In one embodiment, a winglet includes a base portion configured to attach to a wing. The winglet further...
7661629 Systems and methods for destabilizing an airfoil vortex  
Apparatuses and methods for the controlled trailing wake flows. An apparatus in accordance with one embodiment is directed to an aircraft system that includes an airfoil having first and second...
7637462 Surface flow diverting and static charging ducted pores on wing or blade tip to reduce wake and BVI noise  
Air pressure distribution for airfoil lower and upper surfaces is utilized to divert airflow using ducts formed in space-curve shapes placed inside the airfoil volume, through span-wise located...
7503527 Flight control method and apparatus to produce induced yaw  
A method of controlling an aircraft in a turn without the use of a rudder by producing induced yaw. Induced yaw being produced by creating a net induced drag differential between an inboard wing...
6422518 Aircraft with means for a premature breakdown of the wing vortex pair  
For a premature breakdown of a wing vortex pair +/−ΓM behind an aircraft in flight (1) comprising a symmetry plane (7), two wings (3), a fuselage (2) and a horizontal tail plane (HTP) (4), the...
5992793 Aerofoil  
An aerofoil comprises a leading edge and a trailing edge which define a mean chord length, and the aerofoil having an inner or root end adapted for attachment to an aircraft, and an outer end...
5871174 Foils  
A method of reducing the effects of induced drag on a foil. A foil is provided with a series of steps along its span in the trailing edge, whereby a series of spaced vortices is generated. The...
5788191 Half-plow vortex generators for rotor blades for reducing blade-vortex interaction noise  
In one embodiment for a helicopter main rotor assembly, a half-plow vortex generator is mounted in combination with the upper aerodynamic surface of each main rotor blade and is operative to...
5785282 Half-plow vortex generators for rotorcraft blades for reducing blade-vortex interaction noise  
In one embodiment for a helicopter main rotor assembly, a half-plow vortex generator is mounted in combination with the upper aerodynamic surface of each main rotor blade and is operative to...
5634613 Tip vortex generation technology for creating a lift enhancing and drag reducing upwash effect  
Methods for using tip generated vortices to improve performance of foils. These methods include generating a substantially streamwise beneficial vortex (74) near the outboard end (60) of a foil...
5230486 Underwing compression vortex attenuation device  
A vortex attenuation device is presented which dissipates a lift-induced vortex generated by a lifting aircraft wing. The device consists of a compression panel attached to the lower surface of...
4705240 Passive vortex lift control  
A method of applying and controlling vortex lift to a unique high-lift airfoil (29) is described wherein the planform of the airfoil (29) comprises a swept-forward outer panel (31) and a swept-aft...
4697769 Method and apparatus for controlling bound vortices in the vicinity of lifting surfaces  
The lift generated by delta wings is due primarily to large vortices associated with the flow separation near the leading edge. The invention includes a perturbation device to control the...
4477042 Vortex alleviating wing tip  
A wing tip is contoured and shaped to bring about a controlled mergence of fluid flows across the upper and lower wing surfaces and alleviation of the resulting vortex when the wing is producing...
4362280 Method and apparatus for reducing destructive effects of tornados  
A method of reducing the destructive effects of a tornado, which has a rotary motion about a center and has at least one clear air inflow region at its periphery, comprises towing through the...
4108403 Vortex reducing wing tip  
An airfoil tip is constructed to droop downward and extend aft of the trailing edge of the air foil structure and to include air foil configuration both chordwise and spanwise with camber in both...
3523661 VERTICALLY ASYMMETRIC DIFFUSER SYSTEM FOR REDUCING AIRCPAFT INDUCED DRAG  
3411738 Airfoil tip  
3406929 Aerofoils  
3370810 Stall control device for swept wings  

Matches 1 - 33 out of 33