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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7740206 | Translating active Gurney flap to alleviate aircraft wake vortex hazard A wake vortex alleviator is provided. The wake vortex alleviator produces rapid variations in the position of vortices emanating from aerodynamic surfaces by using an active flap that moves span-wise back and forth along the outboard section of the surface. Rapidly ... | 06/22/2010 |
| 7384016 | Adaptive compliant wing and rotor system Variation in the contours of first and second compliant surfaces is produced by a compliant frame having a first resiliently variable frame element (120) having a corresponding first outer surface (122) and a first inner surface (124), and a sec... | 06/10/2008 |
| 7367532 | High lift longitudinal axis control system A bipartite, full span airplane flap system having an inboard flap portion and an outboard flap portion, wherein the outboard flap portion includes an integrated aileron mounted on its substantially equivalent spanwise length. ... | 05/06/2008 |
| 7364118 | Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ... | 04/29/2008 |
| 7357358 | Aircraft leading edge device systems and corresponding sizing methods Aircraft leading edge device systems and methods for sizing such systems are disclosed. In one embodiment, a spanwise lift coefficient distribution for an airfoil corresponding to at least one design condition and at least one aircraft angle of attack is identified,... | 04/15/2008 |
| 7338202 | Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma... | 03/04/2008 |
| 7318454 | Flexible tubular duct for the transport of fluid and particularly gaseous hydrocarbons with an anti-turbulence carcass and internal lining A flexible tubular pipe for transporting hydrocarbons, the pipe comprising at least one carcass, an internal pressure sheath and one or more armor layers. The carcass forms the innermost structural element of the pipe and consists of an interlocked spiral winding of... | 01/15/2008 |
| 7302838 | System and method for closed loop control of boundary layer shear stress A system is provided for controlling boundary layer shear stress adjacent a surface over which a fluid stream has been established. The system comprises a boundary layer control device adapted for altering at least one flow characteristic within a boundary layer in ... | 12/04/2007 |
| 7275722 | Wing tip device An aircraft comprises a wing tip device, for example a winglet, a raked-tip device, a wing tip fence or a planar wing extension, mounted in the region of the tip of a wing on the aircraft. The wing tip device is rotatably moveable between a first position and a seco... | 10/02/2007 |
| 7229046 | Servo mounting system for direct drive of an aircraft control surface This invention is a servo mounting system, which allows a servo with a rotating output shaft to directly power an aircraft control surface. A specially designed servo mount securely positions the servo with the central axis of its rotational output shaft on, and axi... | 06/12/2007 |
| 7216831 | Shape changing structure In one preferred embodiment, a structure is provided that includes a body having a first wall and a second wall. At least one appending component extends from an end of the body and includes a first skin and second skin. The structure additionally includes at least ... | 05/15/2007 |
| 7185846 | Asymmetrical control surface system for tube-launched air vehicles Asymmetrical Control Surface System for Tube-Launched Air Vehicles places one control surface, such as a wing or a horizontal tail, above horizontal midplane axis of an air vehicle, such as a tube-launched missile, and the opposing control surface below the midplane... | 03/06/2007 |
| 7178395 | Control logic for fluid flow control devices A system for controlling fluid flow about a vehicle. The system comprises a fluid flow control device, an obstacle sensor for detecting obstacles, and a controller. The fluid flow control device has a body with at least one surface and an actuation means in operativ... | 02/20/2007 |
| 7178859 | Method for controlling airflow An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can... | 02/20/2007 |
| 7156032 | Method and apparatus for controlling friction between a fluid and a body A method and apparatus is disclosed wherein nanostructures or microstructures are disposed on a surface of a body (such as a submersible vehicle) that is adapted to move through a fluid, such as water. The nanostructures or microstructures are disposed on the surfac... | 01/02/2007 |
| 7150434 | Vehicle wake vortex modifier Wake vortices are made less detectable or reduced in their effect on nearby vehicles by re-orientation of vorticity about an axis in the direction of vehicle motion to transverse vorticity interacting with the longitudinal vorticity. The re-orientation may be by a f... | 12/19/2006 |
| 7147269 | Airflow control devices using current An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 12/12/2006 |
| 7130725 | Method for correcting control surface angle measurements in single viewpoint photogrammetry A method of determining a corrected control surface angle for use in single viewpoint photogrammetry to correct control surface angle measurements affected by wing bending. First and second visual targets are spaced apart from one another on a control surface of an ... | 10/31/2006 |
| 7111810 | Forward pivoted full flying control tail boom An aircraft motion control mechanism for regulating aircraft motion from a location remote from an aircraft body portion. The aircraft auxiliary control mechanism has at least one control surface support arm connected to and extending from the aircraft body portion,... | 09/26/2006 |
| 7104497 | Method of synchronizing fin fold-out on a fin-stabilized artillery shell, and an artillery shell designed in accordance therewith This disclosure relates to a method of limiting the yawing motion on the trajectory of an artillery shell during the firing phase using a sliding driving band and completely folded-in guide fins. The shell is converted as soon as possible outside the mouth of the ba... | 09/12/2006 |
| 7059664 | Airflow control devices based on active materials An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material c... | 06/13/2006 |
| 7014142 | Low-drag rotor/wing flap Rotor/wing aircraft having a low-drag flap are disclosed. In one embodiment, a rotor/wing aircraft includes an elongated blade having a body portion and a flap portion. The body portion has first and second edges and includes a non-symmetric portion proximate the se... | 03/21/2006 |
| 6966526 | Dragless flight control system for flying objects The Dragless Flight Control System for Flying Objects utilizes paired fins that are mounted to rotate in opposite directions. When no lift is desired during the object's flight, the fins are completely retracted into their housings that are recessed into the body of... | 11/22/2005 |
| 6923216 | Microfluidic device with ultraphobic surfaces A microfluidic device having durable ultraphobic fluid contact surfaces in the fluid flow channels of the device. The ultraphobic surface generally includes a substrate portion with a multiplicity of projecting regularly shaped microscale or nanoscale asperities dis... | 08/02/2005 |
| 6921052 | Dragless flight control system for flying objects The Dragless Flight Control System for Flying Objects utilizes paired fins that are mounted to rotate in opposite directions. When no lift is desired during the object's flight, the fins are completely retractable into their housings recessed into the body of the ob... | 07/26/2005 |
| 6910661 | Geometric morphing wing An airfoil member (14) is provided including a geometric morphing device (18). The geometric morphing device (18) has an inflatable member (30). The inflatable member (30) has an exterior wall (32) and multiple inflated stat... | 06/28/2005 |
| 6892989 | Method for reducing the drag of blunt-based vehicles by adaptively increasing forebody roughness A method for reducing drag upon a blunt-based vehicle by adaptively increasing forebody roughness to increase drag at the roughened area of the forebody, which results in a decrease in drag at the base of this vehicle, and in total vehicle drag. ... | 05/17/2005 |
| 6834835 | Telescopic wing system The present invention is a wing having telescoping segments deployed via an actuator composed of a heat activated material. The actuator is a coiled tube of shape memory alloy (SMA) with large force-displacement characteristics activated thermally by either a fluid ... | 12/28/2004 |
| 6827314 | Aircraft with active control of the warping of its wings An aircraft with active control of the warping of its wings may include at the outer end of each wing an articulating additional aerodynamic plane that is swept back with respect to the wing. The pivoting of the additional aerodynamic plane is controlled in such a w... | 12/07/2004 |
| 6824108 | Active drag modulation system and method A vehicle traveling through an environmental media such as air experiences drag. The drag is actively modulated by energy beams which may either increase or decrease the drag. The energy beams may be ultrasonic and provide acoustic energy at a transition region betw... | 11/30/2004 |
| 6682021 | System and method for actively manipulating and controlling fluid flow over a surface The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic fluid flow over a surface. More specifically, the present invention provides a system and method to control aerodynamic or hydrodynami... | 01/27/2004 |
| 6588709 | Apparatus for variation of a wall skin The present invention provides an apparatus and method for varying a wall skin to alter airflow over the skin. The apparatus has a first and second end-plates, a plurality of flexible rods are arranged substantially parallel to substantially define a plan... | 07/08/2003 |
| 6513761 | Method and apparatus for reducing trailing vortices in the wake of an aircraft Harmful trailing vortices downstream of an aircraft wing are at least partly dissipated by a respective counteracting vortex for each trailing vortex at each wing. An auxiliary counteracting vortex generating flap, preferably in the form of at least part ... | 02/04/2003 |
| 6474593 | Guided bullet A projectile having a plurality of micro electromechanical (MEMS) devices disposed about the axis of flight for active control of the trajectory of the projectile. The MEMS devices each form an integral control surface/actuator. Control circuitry installe... | 11/05/2002 |
| 6422518 | Aircraft with means for a premature breakdown of the wing vortex pair For a premature breakdown of a wing vortex pair +/-.GAMMA.M 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 wing vortex pair +/-.GAMMA.M being... | 07/23/2002 |
| 6398167 | Aircraft braking system An aircraft braking system including a port formed in a side of an airplane. The port has an openable door disposed therein. The openable door is in operative communication with a computerized hydraulic system of the airplane whereby the openable door wil... | 06/04/2002 |
| 6394397 | Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith A tip member is movable mount at the outboard end of a main lifting member such as a wing or rotor blade. The main lifting member at least at the outboard end has an internal cavity defined therein between pressure-side and suction-side surfaces of the ma... | 05/28/2002 |
| 6394396 | Aerodynamic noise reducing structure for aircraft wing slats A hollow expandable and contractible displacement element is secured onto the concave rear surface of a slat facing the leading edge of an aircraft wing. A bleed air line supplies engine bleed air into the hollow displacement element to selectively expand... | 05/28/2002 |
| 6371414 | System and method for manipulating and controlling fluid flow over a surface The present invention provides a system and method for actively manipulating and controlling aerodynamic or hydrodynamic fluid flow over a surface. More specifically, the present invention provides a system and method to control aerodynamic or hydrodynami... | 04/16/2002 |
| 6360997 | Automatic wing-flap An automatic wing-flap that consists of the use of each side of the fuselage of additional small wings, which act simultaneously as individual wings and as flaps, fastened and divided with a rotating shaft parallel to the transversal axis of the aircraft ... | 03/26/2002 |
