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Class 244/12.2 - Circular


Subclass of Class 244 - Aeronautics and astronautics
Definition: Apparatus wherein the peripheral surface of either the aeronautical
No. of patents: 139
Last issue date: 09/13/2011


1        
NumberTitleIssue Date
8016225Damage resistant aircraft
Integration of structure and aerodynamic shape results in a Damage Resistant Unmanned Aircraft, Capable of surviving ground handling and impacts with plants, wires, solid objects and water. The structure dismantles for transport and storage into a small space, that ...
09/13/2011
7681832Ducted fan air vehicle with deployable wings
A ducted fan air vehicle and method of operation is disclosed for obtaining aerodynamic lift and efficiency in forward flight operation without significantly impacting hover stability. One or more retractable wings are included on the ducted fan air vehicle and are ...
03/23/2010
7556218Aerodynamic lifting device and airborne craft
An airborne craft is provided comprising an aerodynamic lifting device having a radial drum fan with an operating region intermediate the power loading (“y”) asymptotic region and the disc loading (“x”) asymptotic region of a power loading—disc loading cha...
07/07/2009
7352073Ocean wave energy converter having an improved generator and ballast control
The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor...
04/01/2008
7350749Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments
The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ...
04/01/2008
7294036Flying disc
A circular planform wing includes a contiguous thin central plate having top and bottom surfaces. An outer annular rim encompasses the central plate. The rim has a lower edge defining a lower plane of the wing, and the central plate has an upper zone defining an upp...
11/13/2007
7267299Aircraft
An aircraft includes a fuselage with a circular airfoil body supported thereabove on a vertical drive shaft mechanism. The airfoil body includes an upper disk forming an upper surface of the body and a lower disk forming a lower surface of the body in which the uppe...
09/11/2007
7267300Aircraft capable of vertical and short take-off and landing
Aircraft comprising an airframe having a forward end, an aft end opposite the forward end, a top extending between the forward end and the aft end, and a bottom opposite the top side. The aircraft further includes a power plant mounted on the airframe. In addition, ...
09/11/2007
7254948Boost wastegate device for EGR assist
An apparatus and method for controlling exhaust gas recirculation flow. The apparatus and method uses a pressure-bleeding device, such as a wastegate valve, to change the pressure in an internal combustion engine in order to alter the flow rate of the exhaust gas th...
08/14/2007
7249732Aerodynamically stable, VTOL aircraft
A hover aircraft employs an air impeller engine having an air channel duct and a rotor with outer ends of its blades fixed to an annular impeller disk that is driven by magnetic induction elements arrayed in the air channel duct. The air-impeller engine is arranged ...
07/31/2007
7246769Vehicles particularly useful as VTOL vehicles
A vehicle including a fuselage, at least one lift-producing propeller carried by the fuselage on each side of its transverse axis a pilot's compartment formed in the fuselage between the lift-producing propellers and substantially aligned with the longitudinal axis,...
07/24/2007
7204672Multi-modal forced vortex device
A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro...
04/17/2007
7204453Rotor and aircraft passively stable in hover
The present invention discloses a rotor that enables an aircraft to be passively stable in hover. The rotor, having a generally fixed geometry is tiltably connected to its rotor shaft. The outer part of the rotor blades have a pitch fixed relative to the rotational ...
04/17/2007
7201346Circular fixed wing VTOL aircraft
A VTOL aircraft includes a wing, a propulsion system, and an air dam. The propulsion system is located in a central void formed in the wing to cause air flow from an outer perimeter of the wing over the wing and down through the void to generate lift. The air dam is...
04/10/2007
7198223Ultralight coaxial rotor aircraft
An ultralight coaxial dual rotor helicopter having a substantially L shaped frame. Attached to the back of the frame is a vertical shaft engine, and a pair of yaw paddles for controlling yaw of the craft. The drive shaft connects to a belt drive at the top of the fr...
04/03/2007
7188802Convertible aircraft provided with two tilt fans on either side of the fuselage, and with a non-tilting fan inserted in the fuselage
The present invention relates to a convertible aircraft provided with first and second tilt fans disposed on either side of the fuselage a little forward of the center of gravity of the convertible aircraft. In addition, the convertible aircraft includes, in remarka...
03/13/2007
7185848Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments
The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are positioned along or radially terminate at a central horizontal plane of the ...
03/06/2007
7185853Air discharge valve for an aircraft
An air discharge valve for an aircraft has an inner valve flap (1) and an outer valve flap (3) which partially overlap each other to form a nozzle of the Laval type with a nozzle inlet (6) converging toward a nozzle neck (S) and with a nozzle ou...
03/06/2007
7165744Turbine engine arrangements
A fan turbine engine arrangement is provided in which a core engine is aligned such that an input of a nacelle is aligned with the upwash of a wing to which the arrangement is secured. The engine drives a fan such that bypass flows produced by the fan are guided by ...
01/23/2007
7147183Lift system for an aerial crane and propulsion system for a vehicle
The present invention provides an improved lift system for an aerial crane incorporating a wing, coanda and curved surface. The arrangement of the wing, coanda and curved surface use and induce airflow to create additional lift through an increase in airflow mass, d...
12/12/2006
7149611Virtual sensor mast
A virtual sensor mast for a ground vehicle and a method for operating a ground vehicle using a virtual sensor mast are disclosed. The virtual sensor mast includes an unmanned airborne vehicle capable of lifting itself from the ground vehicle upon deployment therefro...
12/12/2006
7113855Process for controlling front or rear spoilers
Method of controlling front or rear spoilers in which at least the rotational speed, the engine torque, the temperature and the standing time (tSTAND) are determined. The required engine power is determined from the detected engine torque, and the front o...
09/26/2006
7108228Hydrogen-fueled spacecraft
A spacecraft having facilities for carrying astronauts and payloads into the earth satellite orbit and space having a composite fiber body with a Kevlar exterior skin. Said craft having a substantially round shape with a portion covered with solar cells. Said solar ...
09/19/2006
7108229Arrangement and method for the generation of water on board an aircraft
An arrangement and a method are proposed for the generation of water on board an aircraft with the use of one or more fuel cells, whereby low-temperature fuel cells are provided as fuel cells. It is proposed that several single-cell or few-cell fuel cells may...
09/19/2006
7104498Channel-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 edge. The channel further has a trailing-edge slot that is adjacent t...
09/12/2006
7100867Lifting foil
A lifting foil for an aircraft, a hydrofoil or the like having a pair of courses or wings. Vortex losses due to spanwise fluid flow are substantially reduced by joining the tips of the courses with flow guides configured for jointly terminating the undesired flows. ...
09/05/2006
7093788Rotating flying wing aircraft and control system
A rotating wing aircraft has a rotating fuselage and wings. The aircraft is configured to rotate with the air passing over the wings because of the rotation providing the lift needed to keep the aircraft aloft. The wings have rudders coupled to them, such as at the ...
08/22/2006
7086692Wheel house shell for a motor vehicle
A wheel house shell is adapted to and mounted on the contour of a motor vehicle wheel house and is provided with an air outlet opening having ribs or gills. A deflector is provided in front of the cool air outlet opening, as seen in the direction of rotation of the ...
08/08/2006
7044422Gyrostabilized self propelled aircraft
An unmanned air vehicle comprises a fuselage that defines aerodynamic flight surfaces, an engine mounted to the fuselage having an engine shaft arranged to rotate about a longitudinal axis with respect to the fuselage, and a propeller mounted to the engine shaft so ...
05/16/2006
7032859Counter rotating ducted fan having a permanent magnet drive
A counter rotating ducted fan having a permanent magnet drive. comprising a ducted housing having an iron core stator and a pair of counter rotating propeller blades rotationally mounted on a propeller shaft positioned axially within the housing Each of the propelle...
04/25/2006
7032861Quiet vertical takeoff and landing aircraft using ducted, magnetic induction air-impeller rotors
A hover aircraft employs an air impeller engine having an air channel duct and a rotor with outer ends of its blades fixed to an annular impeller disk that is driven by magnetic induction elements arrayed in the air channel duct. The air-impeller engine is arranged ...
04/25/2006
6994394Automobile body performing decreased aerodynamic lift
Automobile body performing with reduced aerodynamic lift while speeding, and therefore having its fuselage shape of a parallelogram with acute angle. The fuselage is made with roof projected straight backward and also having its body rear plate, slanted upward towar...
02/07/2006
6976654Vertical takeoff and landing aircraft
A flight capable mobile platform adapted for covert deployment is provided. The mobile platform is additionally adapted to have a reduced vulnerability to hostile detection and aggression. The mobile platform includes a fuselage having a pair of sidewalls and a bott...
12/20/2005
6976653VTOL micro-aircraft
VTOL micro-aircraft comprising a first and a second ducted rotor mutually aligned and distanced according to a common axis and whose propellers are driven in rotation in mutually opposite directions. Between the two ducted rotors are positioned a fuselage and a wing...
12/20/2005
6974106V/STOL biplane
The present invention is a 2 passenger aircraft capable of vertical and conventional takeoffs and landings, called a jyrodyne. The jyrodyne comprises a central fuselage with biplane-type wings arranged in a negative stagger arrangement, a horizontal ducted fan inlet...
12/13/2005
6969027Vertical takeoff and landing apparatus
A vertical takeoff and landing apparatus is excellent in the maneuverability and postural stability of its airframe, serves to protect a pilot from an impact when landing, and can make extremely stable flight when hovering near a building. An airframe has a propulsi...
11/29/2005
6932296Cycloidal VTOL UAV
A system and method for moving an aerial vehicle along a flight path includes rotatable hubs mounted on opposite sides of the vehicle. Elongated airfoils are mounted on the hubs parallel to a common hub axis for rotation about the hub axis on a blade path. Each airf...
08/23/2005
6926231Vertical takeoff and landing aircraft
A method is provided for reducing vulnerability to hostile detection of and aggression towards an aircraft. The method includes adapting an aircraft fuselage to form an armored payload bay, wherein the armored payload bay includes a pair of sidewalls and a bottom. T...
08/09/2005
6845942Omni-directional air vehicle personal transportation system
An omni-directional air vehicle having a pod with a connected turbofan system, the pod has a body that contains a power source for generating electrical power and a ducted fan with spherical articulation mechanism having a projecting arm with counter-rotating propel...
01/25/2005
6837457Aircraft rotor and aircraft
An aircraft rotor and an aircraft which aircraft has a body and a rotor arranged to it, the rotor having at least two blades. The rotor is arranged to rotate around a substantially vertical axis. The blades are arranged in such a manner that, when rotating, they for...
01/04/2005
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