|
Match
|
Document |
Document Title |
|
|
7597289 |
Apparatus and method for the control of trailing wake flows
A system and method for dissipating vortices that form at the wingtips on aircraft and from other airfoils. A jet air stream is discharged in a location at or proximate to the outer end portion of...
|
|
|
7597060 |
Apparatus and method for reducing fluid drag on a submerged surface
An apparatus and method for reducing surface friction drag on the hull of a surface vessel by entraining air into water flowing in the boundary layer flow along the hull. The apparatus creates a...
|
|
|
7546975 |
Tandem rotor wing rotational position control system
A rotational position-adjusting system ( 6 ) for a vertical takeoff and landing aircraft ( 4 ). The system ( 6 ) includes multiple detectors ( 60 ) that generate rotor signals. The rotor signals...
|
|
|
7510149 |
System and method to control flowfield vortices with micro-jet arrays
The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic flow field vortices within a fluid flow over a surface using micro-jet...
|
|
|
7461820 |
Aerofoil arrangement
Upper surface ( 13 ) of an aerofoil (or rotor blade) is provided with nozzles or slots ( 14, 16 ) at leading portion ( 15 ) and trailing portion ( 17 ) to assist attachment of airflow by...
|
|
|
7357351 |
Linear shock wave absorber
A linear cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing...
|
|
|
7331752 |
Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy
A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the...
|
|
|
7290738 |
Dual jet emerging lift augmentation system for airfoils and hydrofoils
Separate upper and lower plenums within an aircraft airfoil or a sea hydrofoil conduct fluid under different pressures to nozzle slots from which jets emerge to augment lift in accordance with...
|
|
|
7267067 |
Apparatus and method for reducing fluid drag on a submerged surface
An apparatus and method for reducing surface friction drag on the hull of a surface vessel by entraining air into water flowing in the boundary layer flow along the hull. The apparatus creates a...
|
|
|
7213788 |
Microjet-based control system for cavity flows
A dynamic cavity air flow system reduces the highly unsteady flow over exposed aircraft cavities by incorporating a series of microjets proximate the leading edge of a cavity. The microjets, which...
|
|
|
7198234 |
Method and apparatus for modulating flow separation
An apparatus comprising: an aerodynamic surface adapted for producing an adverse pressure gradient in a fluid flow; and a first pulse detonation actuator disposed adjacent the aerodynamic surface...
|
|
|
7143983 |
Passive jet spoiler for yaw control of an aircraft
A wing for an aircraft has a passive jet spoiler for providing yaw control by increasing drag on the wing. The spoiler comprises an inlet located near the leading edge of a lower surface of the...
|
|
|
7104498 |
Channel-wing system for thrust deflection and force/moment generation
An aircraft comprising a Channel Wing having blown channel circulation control wings (CCW) for various functions. The blown channel CCW includes a channel that has a rounded or near-round trailing...
|
|
|
7100875 |
Apparatus and method for the control of trailing wake flows
A system and method for dissipating vortices that form at the wingtips on aircraft and from other airfoils. A jet air stream is discharged in a location at or proximate to the outer end portion of...
|
|
|
6994297 |
Method and apparatus for controlling a vehicle
A method of controlling movement of a vehicle including generating a fluid jet adjacent an aerodynamic surface of the vehicle, and changing at least one of a strength and a position of a shock wave...
|
|
|
6796533 |
Method and apparatus for boundary layer reattachment using piezoelectric synthetic jet actuators
A method and apparatus for active boundary layer control on an aerodynamic surface. One or more piezoelectric synthetic jet actuators operate as a boundary layer pump to ingest fluid along the...
|
|
|
6708929 |
Simplified buoyancy system for avoiding aircraft crashes
This light aircraft crash avoidance system performs what previous such systems perform, but with much less system weight, much less cost and much less expenditure of electrical energy. In this...
|
|
|
6682022 |
Boundary layer control of aerodynamic airfoils
Boundary layer control of a structural element in fluid stream is achieved by the following operations: providing in such structural element at least one region equipped with micro porous...
|
|
|
6629674 |
Method and apparatus for modulating airfoil lift
An apparatus comprising: an airfoil adapted for generating a lift force; and a first pulse detonation actuator disposed inside the airfoil and adapted for impulsively detonating a fuel/air mixture...
|
|
|
6622973 |
Movable surface plane
Movable surface planes include opposed independently movable endless surfaces over the majority of opposite sides of the planes. By moving one surface in the same direction as the fluid flow about...
|
|
|
6612524 |
Forebody vortex alleviation device
A forebody 10 for an aeronautical vehicle 12 is provided. The forebody 10 includes an exterior wall 14 having a first half 16 and a second half 18 . The first half 16 has a first...
|
|
|
6565035 |
Apparatus and method for forming an air curtain for use with an aircraft
A system and method for providing an air curtain for impeding the entry of dust, dirt, debris, smoke, insects and other airborne particulate matter into an interior area of an aircraft without the...
|
|
|
6446904 |
Aircraft weapons bay high frequency acoustic suppression apparatus
An aircraft weapons bay high frequency acoustic suppression apparatus is disclosed. The apparatus includes an extendable spoiler retractably received within an aircraft weapons bay. An injector...
|
|
|
6390418 |
Tangentially directed acoustic jet controlling boundary layer
The nozzle of an acoustic jet directs high momentum flux gas particles essentially tangentially into the boundary layer of the flow in a diffuser, an engine air inlet, a jet engine gas flow path or...
|
|
|
6375118 |
High frequency excitation apparatus and method for reducing jet and cavity noise
An active noise suppression apparatus and method for reducing jet engine noise and buffeting. A plurality of resonant cavities are formed in a structural member disposed on or adjacent to a jet...
|
|
|
6283406 |
Use of flow injection and extraction to control blade vortex interaction and high speed impulsive noise in helicopters
An active control device for reducing high-speed impulsive ("HSI") and blade vortex interaction ("BVI") noise in a rotor aircraft, such as a helicopter, is disclosed. The system comprises a...
|
|
|
6267331 |
Airfoil with dynamic stall control by oscillatory forcing
A method for inhibiting dynamic stall of an airfoil by causing a fluid to flow out of at least one location on the airfoil. This location may be anywhere on the airfoil; but if the location is...
|
|
|
6203269 |
Centrifugal air flow control
Blades, including helicopter rotor blades, gas turbine engine fan blades, air moving machinery fan blades, and the like, have an air inlet near the hub of the blade, which may be on the pressure...
|
|
|
6179251 |
Thin inlet lip design for low drag and reduced nacelle size
In accordance with the present invention, an aerodynamic turbo engine nacelle, disposable about an engine having an engine face, for mitigating boundary layer separation of intake airflow comprises...
|
|
|
6142425 |
Apparatus and method for aerodynamic blowing control using smart materials
A method and apparatus for controlling the blowing of compressed air from an aerodynamic structure such as an aircraft wing or helicopter rotor blade and thus controlling the aerodynamic properties...
|
|
|
6138955 |
Vortical lift control over a highly swept wing
Vortical lift over a highly swept wing can be controlled by stabilizing or strengthening the major vortex by a small continuous jet of air, or a pulsating jet, near the core of the vortex. This...
|
|
|
6119987 |
Method and apparatus for controlling the boundary or wall layer of a continuous medium
The present invention relates to the field of aerohydrodynamics and heat and mass transfer and especially relates to a method and an apparatus for controlling the boundary layer or the wall layer...
|
|
|
6113036 |
Boundary layer control system
A boundary layer control apparatus including a duct having a streamlined shape which is mounted in spaced apart relation upwind from the wing and extending generally parallel to the leading edge of...
|
|
|
6109566 |
Vibration-driven acoustic jet controlling boundary layer separation
An acoustic jet disposed within an aerodynamic surface, such as a wing or a blade, has a resilient wall supporting a mass. Vibrations of the blade cause oscillatory pressure waves within the...
|
|
|
6109565 |
Air craft wing
An aircraft having a wing with a top surface and a bottom surface, with the top surface having a first plurality of jets containing flow straighteners integrally hinged to the skin of the aircraft...
|
|
|
6085680 |
Device for increasing the steering effect of a rudder
|
|
|
6073881 |
Aerodynamic lift apparatus
A lift apparatus using the method of blowing air over the upper surface of the apparatus to generate lift by virtue of the balance of outside pressures against the body of the apparatus. It does...
|
|
|
6045088 |
Aircraft air conditioning energy recovery device
The aircraft air conditioning energy recovery device exploits the high level energy in relation to the exterior, in the air conditioning air flow required for renewal, and involves the placement of...
|
|
|
6016992 |
STOL aircraft
A STOL aircraft has a fuselage 22 vertical 26 and horizontal 27 rear stabilizers and at least one wing made up of a lower primary airfoil 10 and an upper complementary airfoil 11 which, between...
|
|
|
5992792 |
Aircraft with jet flap propulsion
In an aircraft (1) according to the invention the engine drives a blower and the compressed air is used to increase the lift of the wing (18) and the canard (22) using jet flap propulsion. The...
|
|
|
5971327 |
Mesoflap passive transpiration system and method for shock/boundary layer interaction control
A passive transpiration system for controlling interaction between turbulent boundary layer air and an impinging shock during supersonic airflow by application of a panel including passively...
|
|
|
5944287 |
Ice protection for porous structure
A nacelle having a porous structure is provided with laminar flow control and contamination protection. In region B suction through a composite layer is achieved by evacuating a chamber adjacent...
|
|
|
5927645 |
Shovel nose pneumatic vortex control
A system for facilitating the enhanced aerodynamic control of an aircraft having a fuselage including a forebody defining a frontal portion adapted to create a primary vortex under certain flight...
|
|
|
5901929 |
Control and augmentation of passive porosity through transpiration control
A device for controlling pressure loading of a member caused by a fluid moving past the member or the member moving through a fluid. The device consists of a porous skin mounted over the solid...
|
|
|
5899416 |
Rudder assembly with a controlled boundary layer control for an aircraft
The boundary layer flow along the surface of an aircraft rudder assembly is controlled by suction applied through perforations primarily installed in the leading edge of the rudder assembly. The...
|
|
|
5813625 |
Active blowing system for rotorcraft vortex interaction noise reduction
A pressurized porous surface near the leading edge of a rotorcraft blade, is designed to be used as an active control device which alleviates the aerodynamics of blade vortex interactions (BVI) and...
|
|
|
5803410 |
Skin friction reduction by micro-blowing technique
A system and method for reducing skin friction of an object in relative motion to a fluid. A skin forming a boundary between the object and the fluid, the skin having holes through which...
|
|
|
5798465 |
Method for actively damping global flow oscillations in separated unstable flows and an apparatus for performing the method
The method for damping global flow oscillations (20a.x, 20b.x) in a flowing medium in the region of an unstable flow (10) separating itself from at least one boundary surface (11, 12) is comprised...
|
|
|
5791601 |
Apparatus and method for aerodynamic blowing control using smart materials
A method and apparatus for controlling the blowing of compressed air from an aerodynamic structure such as an aircraft wing or helicopter rotor blade and thus controlling the aerodynamic properties...
|
|
|
5772156 |
Aircraft boundary layer control system with discharge transpiration panel
An improvement to boundary layer control system, including a transpiration panel (58) for transpiring suction air in a distributed manner, is provided. The transpiration panel (58) replaces the...
|