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Class 244/15 - Fluid propelled


Subclass of Class 244 - Aeronautics and astronautics
Definition: Aeronautical machines of the airplane type propelled by
No. of patents: 81
Last issue date: 12/13/2011


1      
NumberTitleIssue Date
8074918Unmanned aerial system launch from water
An unmanned aerial system (UAS) is described that is operable on or in water, in addition to being able to fly in the air. The UAS can float in a body of water, or submerge itself underneath the water, and then later launch from the water without human intervention ...
12/13/2011
7412825Flow path splitter duct
A flow path splitter duct is provided. The flow path splitter duct includes a main hub, a first outlet hub and a second outlet hub. The main hub has a plurality of inlet ports each being separated by at least one wall. The first outlet hub has a plurality of first d...
08/19/2008
7367532High 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
7364115System and method for controlling engine RPM of a ducted fan aircraft
An aircraft including a ducted fan and an engine for driving the ducted fan includes a plurality of vanes movably mounted to the aircraft at a substantially rectangular exhaust end of the aircraft. Each of the plurality of vanes is substantially rectangular or squar...
04/29/2008
7364118Propulsion 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
7350619Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner
Methods and apparatus are provided for an exhaust duct having an externally replaceable acoustic liner. The exhaust duct includes a forward section that is configured to be axially coupled with a bulkhead collar on the aircraft, a body section that is coupled to the...
04/01/2008
7341225Aircraft wing and aeroengine arrangement for attenuating engine noise
An aircraft comprising an aeroengine and a noise reflective surface, the aeroengine capable of generating a hot exhaust jet and noise characterized in that the reflective surface is profiled to reflect noise from the aeroengine into the hot exhaust jet thereby atten...
03/11/2008
7334409Retractable afterburner for jet engine
The present invention is a retractable afterburner shroud for use upon a jet engine. The retractable shroud conforms to an outer surface of a jet engine. The afterburner shroud is affixed by a plurality of moveable support arms. The afterburner shroud is retractable...
02/26/2008
7311287Methods for incorporating area ruled surfaces in a supersonic aircraft
A vertical stabilizer is configured to minimize the rate of change of cross-sectional area distribution of the vehicle or device to which the vertical stabilizer is mounted. One or more “waisted” areas can be included at the tip and/or the root of the vertical s...
12/25/2007
7290738Dual 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 different travel conditions. Lift is induced by nozzle slot emergence of ...
11/06/2007
7262394Mortar shell ring tail and associated method
There is provided a ring tail for a ballistic projectile and an associated method that facilitate maneuverability of the ballistic projectile. The ring tail comprises a ring member having a generally cylindrical wall and at least one rod joined to an aft section of ...
08/28/2007
7246770Aircraft with rotatable leading edge of fuselage and wings
A rotatable leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be rotated from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. In the extended position, the leading e...
07/24/2007
7231997Hybrid drive powered lift platform
An air-based thrust recovery system for use in a powered lift platform utilizing fixed-pitch propellers is provided. The system utilizes an air compressor coupled to the drive motor of the platform and an on-board, high pressure tank for air storage. The fixed-pitch...
06/19/2007
7216835Aircraft with extendable leading edge of fuselage and wings
An extendable leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be extended from a retracted position adjacent to the fuselage and wings to an extended position. In the extended position, the leading edge increases lift of the...
05/15/2007
7216830Wing gull integration nacelle clearance, compact landing gear stowage, and sonic boom reduction
A supersonic cruise configuration aircraft comprises a fuselage extending on a longitudinal axis from a forward nose to an aft tail, and a wing coupled at an inboard section to the fuselage and extending to an outboard tip, and having a leading edge and a trailing e...
05/15/2007
7213788Microjet-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 may articulate, issue a supersonic jet flow toward the rear or traili...
05/08/2007
7204454Aircraft with articulated leading edge of fuselage and wings
An articulated leading edge for the fuselage and wings of an aircraft is disclosed. The leading edge may be moved from an undeflected or retracted position adjacent to the fuselage and wings to a deflected or extended position. The leading edge includes fuselage and...
04/17/2007
7177735Control apparatus for a hull with a four-cycle engine installed thereon
A control apparatus for a hull with a four-cycle engine installed thereon can perform engine stop processing by quickly detecting a turnover state of the hull while suppressing a turnover determination delay due to noise superposition. The apparatus includes a turno...
02/13/2007
7150432Horizontal augmented thrust system and method for creating augmented thrust
A horizontal augmented thrust system includes at least one wing. The wing includes a wing outer envelope, a trailing edge and a flap. At least one pulse jet engine is positioned entirely within the wing outer envelope. The pulse jet engine produces a pulsating thrus...
12/19/2006
7143979Vehicle windshield
An injection molded windshield is provided for a vehicle. The injection molded acrylic or polycarbonate windshield enables vehicle shape design flexibility while achieving lower aerodynamic drag. The injection molded windshields offer additional benefits for the cre...
12/05/2006
7107757Aircraft provided with thrust reversers
Some but not all engines of an aircraft are provided with thrust reversers. A safety device disables, at least from the position corresponding to idling, the action of the throttles corresponding to the engines devoid of thrust reversers when the thrust reversers ar...
09/19/2006
7100869Turboprop carrier structure and an assembly including such a carrier structure
The carrier structure of the invention is used for carrying a turboprop and it is designed to be mounted beneath and/or in front of an airplane wing. In characteristic manner, the carrier structure comprises: a top portion comprisi...
09/05/2006
7093794Aircraft and detonative engine incorporating pulse detonation engines
An aircraft includes at least one airfoil having a leading edge and a trailing edge. A number of pulse detonation engines are distributed along one of the leading and trailing edges of the airfoil and are positioned beneath the airfoil. Each pulse detonation engine ...
08/22/2006
7070146Aircraft thickness/camber control device for low sonic boom
An aircraft thickness/camber control device mounts to the lower surface of a airfoil configuration, for example on a fuselage, and extends along a longitudinal axis. The device, when deployed, generates expansions ahead of compressions generated by off-design condit...
07/04/2006
7014149Traction kite design
An arch style traction kite which includes a wing or wing envelope which has a leading edge which, when viewed in plan with the wing or envelope laid in a horizontal plane, is concave in a centre section of the wing or envelope and straight or convex in plan near th...
03/21/2006
7007890Turbojet designed to be fixed onto the AFT part of the fuselage of an aircraft, in upper position
The turbojet according to the invention is designed to be fixed onto the upper part of the aft section of the fuselage of an aircraft using at least one coat hanger, the turbojet comprising a fan, a forward casing, an aft casing, accessories arranged around the peri...
03/07/2006
7000869Cross section for a supersonic airplane
A fuselage for an airplane comprising a first side of the fuselage having a first curvature; and a second side of the fuselage having a second curvature; wherein the first curvature is different from the second curvature at a substantially vertical cross section of ...
02/21/2006
7000870Laminar flow wing for transonic cruise
In combination, an aircraft wing and fuselage, comprising the wing having camber at or near the wing leading edge which has blunted sharpness and low sweep angle, and the fuselage having indentation along the wing side thereof, and lengthwise of the fuselage. ...
02/21/2006
6938854Integrated and/or modular high-speed aircraft
An integrated and/or modular high-speed aircraft and method of design and manufacture. The aircraft can have a supersonic or near-sonic cruise Mach number. In one embodiment, the aircraft can include an aft body integrated with a delta wing and a rearwardly tapering...
09/06/2005
6940185Advanced aerodynamic control system for a high output wind turbine
An advanced aerodynamic control system for a wind turbine including a drive shaft and blade. The control system includes an air control system coupled to a duct that extends from a first end toward a second end of the blade. A slot extends along a portion of a surfa...
09/06/2005
6935592Aircraft lift device for low sonic boom
An aircraft lift device comprises a strake capable of coupling to an aircraft fuselage and extending to a leading edge of a wing. The strake has a leading edge. The life device further comprises a leading-edge flap coupled to the strake leading edge. ...
08/30/2005
6935834Noise reduction conduit for static components in aircraft engines
Noise reduction conduit for non rotary components of aircraft engines, subjected to a characteristic range of temperatures of a gas turbine engine, constituted by an annular structure composed of an aerodynamic wet wall (10a, 10b), perfor...
08/30/2005
6921045Supersonic aircraft with channel relief control
A supersonic aircraft comprises a fuselage extending forward and aft along a longitudinal axis, the fuselage having a lower surface and an upper surface, a highly swept low aspect ratio wing coupled to the fuselage and having a forward leading edge and an aft traili...
07/26/2005
6857598Integrated high-speed aircraft and associated methods of manufacture
Integrated high-speed aircraft, such as high-speed transport aircraft, and associated methods of manufacture. In one embodiment, a high-speed transport aircraft includes a fuselage having a first fuselage portion and a second fuselage portion positioned aft of the f...
02/22/2005
6854687Nacelle integration with reflexed wing for sonic boom reduction
A method for integrating an engine nacelle below the wing of a supersonic aircraft with low sonic boom capabilities includes determining the shape of a reflexed portion of the airfoil on the underside of the wing, and a corresponding shape for the upper surface of t...
02/15/2005
6824092Aircraft tail configuration for sonic boom reduction
A supersonic aircraft comprises a wing having upper and lower surfaces and extending from a leading edge to a trailing edge and at least two engine nacelles coupled to the lower surface of the wing on the trailing edge. The supersonic aircraft further comprises an i...
11/30/2004
6817571Integrated aircraft windshields and associated methods
Aircraft having cab portions with integrated windshields are disclosed. The cab portion can include a rounded nose and a windshield positioned above and aft of a forward extremity of the rounded nose. A contour of the cab portion extending from the nose over the win...
11/16/2004
6464167Vehicle with vertical wings and a stabilizing torque system of jets to use fluid energy for forward motion
Disclosed is a fluid vehicle having one or more vertical wings in contact with the fluid for generating a forward motion. This fluid vehicle also has a stabilizing torque system for generating jets transverse to the forward motion for the purpose of count...
10/15/2002
6398158High altitude low flying platform hull
A high altitude low flying platform hull, including a laminar flow airfoil, a first slab side, a second slab side, a first fin and a second fin. The laminar flow airfoil has a nose, the nose has a nose leading edge. The first slab side has a first slab si...
06/04/2002
6394392Aircraft having multiple fuselages
The present invention relates to an aircraft having a plurality of fuselages for increased payload. More specifically, the aircraft has a central fuselage, and first and second side-saddle fuselages mounted on opposite sides of the central fuselage. The f...
05/28/2002
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