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Match
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Document |
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4117995 |
Aircraft wing lift augmentation device
A wing duct near and parallel to the leading edge of an aircraft wing receives air from the jet engines of the craft. The wing duct is spiral-like in cross section with an exit slit for directing...
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4067518 |
Drag reducer for lift surface of aircraft
One or more aerodynamic bodies of preselected shape and placement are employed on the lower surface of an aircraft wing or other aerodynamic lifting surface for the purpose of reducing its drag....
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4050651 |
Wing and reduced airspeed system for jet aircraft
A thin, high performance swept wing of the tapered type with an improved leading edge characterized by (1) camber that increases from a minimum near the wing root to a maximum near the wing tip,...
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4046336 |
Vortex diffusion and dissipation
Vortex diffusion means for an aircraft having lift structure rooted therein that extends outboard to a structure tip from which a discrete tip vortex develops when said tip is propelled through the...
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4039161 |
Hidden vortex generators
An improvement to the controllability of aircraft wherein vortex generators are connected to a control surface in front of the hinge line of the control surface so that when the control surface is...
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4019696 |
Method of and apparatus for enhancing Coanda flow attachment over a wing and flap surface
A method of enhancing Coanda flow attachment over a wing and flap surface of an upper surface blowing aircraft comprising the step of directing the jet exhaust flow or stream toward regions wherein...
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4017041 |
Airfoil tip vortex control
Device for diminishing tip vortices in an aircraft. For the purpose of diminishing the tip vortices generated by aircraft there are provided retractable foils at or near the airfoil, as wing, tips...
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3974646 |
Turbofan engine with augmented combustion chamber using vorbix principle
A mixed flow turbofan engine in which a portion of the core engine exhaust gases are passed into a pilot zone chamber where fuel is added thereto for vaporization therewith and wherein the fan air...
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3972494 |
Vehicle air screen apparatus
A land, water or air vehicle has a jet air stream unit mounted in front with a plurality of distributed jets generated immediately preceding the front wall portion of the vehicle to reduce the...
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3831885 |
AIRCRAFT WING WITH VORTEX GENERATION
Tail-less airplanes, such as dsclosed in U. S. Pat. No. 3,438,597 as a stall occurs or is about to occur, may be flown at very high angles of attack to generate favorable spanwise vorte, flows...
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3794275 |
DETACHABLE LIFT SPOILER FOR STATIONARY AIRCRAFT
A detachable lift spoiler for placement on the upper surface of the wing of a parked or tied-down aircraft to inhibit or prevent lift forces from being generated by the aircraft wing as wind blows...
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3776363 |
CONTROL OF NOISE AND INSTABILITIES IN JET ENGINES, COMPRESSORS, TURBINES, HEAT EXCHANGERS AND THE LIKE
Intrinsic sound, noise and instabilities directly or indirectly due to the shedding of cross-stream vortices caused when air or fluid moves over the trailing edge of a plate, blade, vane or the...
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3744745 |
LIFTVANES
A set of lifting vanes attached to the sides of a body which protrudes forward from beneath the wing of an aircraft. The vanes are shaped and located to produce a significant downwash field...
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3712564 |
SLOTTED DIFFUSER SYSTEM FOR REDUCING AIRCRAFT INDUCED DRAG
A wing assembly for increasing lift and reducing drag is disclosed comprising (1) an inboard conventional primary wing panel, and (2) an outboard secondary wing panel which is aft-swept and...
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3653609 |
LIFT STRUCTURE
A lifting body in the general form of approximately a semi-cylinder is connected to the fuselage of an aircraft for providing lift during flight. The lifting surface is substantially free of camber...
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3627235 |
WING ARRANGEMENT
A combination air and water and/or land takeoff vehicle that in an amphibious or seaplane version, operates as a boat at low speeds and through a transition state at higher speeds to, at low...
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3612446 |
MEANS AND METHOD FOR PREVENTING THE FORMATION OF AUDIBLE FREQUENCIES IN FLUIDS PASSING OVER AN AIRFOIL SECTION
Means and method for preventing the formation of audible frequencies in fluids passing over an airfoil section in which the potential audible frequencies are converted into inaudible frequencies at...
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3584812 |
AIRCRAFT LIFTING SURFACES
An air craft wing surface structure, adapted for laminar flow control, wherein the normal wing surface has placed externally upon it a lattice of ribs covered by an outer elastic porous sheet, the...
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3521837 |
AIRFOIL
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3469802 |
TRANSPORT
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3468501 |
COMPATIBLE MISSILE/AIRCRAFT CONFIGURATION
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3463418 |
VORTEX GENERATOR FOR AIRPLANE WING
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3424400 |
SONIC BOOM AND SHOCK WAVE ELIMINATOR
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3370810 |
Stall control device for swept wings
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3366348 |
Aircraft high-lift wing
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3360218 |
Vertical take-off aircraft
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3326499 |
Ribs on airplane wings
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3263945 |
Aircraft
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3184184 |
Aircraft having wings with dimpled surfaces
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3144220 |
Control apparatus
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3139247 |
Airfoil construction
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3108766 |
Portable spoiler for airplane
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3095163 |
Ionized boundary layer fluid pumping system
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3085740 |
End inlet jet pump for boundary layer control system
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3072368 |
High speed aerodynamic body
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3008291 |
Subsonic-supersonic streamlined leading edge or cowl lip
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3008673 |
Reciprocating leading edge for airfoils and hydrofoils
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3000401 |
Boundary layer flow control device
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2974899 |
Single propeller convertible vtol aircraft
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2971301 |
Method of making drag-reducing covering
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2926870 |
Stability compensator
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2873931 |
Boundary layer control apparatus for improving the action of aircraft
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2843341 |
Airfoils, variable permeability material and method of fabrication thereof
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2800291 |
Solid boundary surface for contact with a relatively moving fluid medium
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3588005 |
Title is not available
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D137676 |
Title is not available
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3606213 |
Title is not available
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RE13397 |
Title is not available
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