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Patent Searching and Data


Matches 501 - 550 out of 1,419

Document Document Title
WO/2009/095514A1
The invention relates to a multiple-rotor helicopter that can be converted into an aircraft, formed by a traditional cabin provided with a cavity in the lower part thereof and a longitudinal mast terminating in two tail rotors. The mast ...  
WO/2009/096048A1
Provided is a system which utilizes interaction between an airflow and a stabilizer disposed in the airflow and along the flowing direction of the airflow to secure the stability of an apparatus or an air frame integrated with the stabil...  
WO/2009/069901A3
This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so t...  
WO/2009/077968A2
A control system for a vehicle having plural control elements actuated at a single actuation point including a redundant electric actuator assembly including a control rod moveable linearly in two opposite directions mounting n electric ...  
WO/2009/074834A1
Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and ca...  
WO/2009/072754A2
This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so t...  
WO/2009/069901A2
This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so t...  
WO/2009/066073A1
An unmanned aerial vehicle (UAV) (1) in the form of a "tail sitter" flying wing (1) adapted for vertical take off and landing and transitions between flight as a helicopter and wing-borne flight. The vehicle is electrically powered from ...  
WO/2008/065664A3
A flight control system for aircraft, such as for a vehicle with a ducted fan propulsion system which also produces rotary moments and side forces for control purposes. The flight control system of the present invention is designed in a ...  
WO/2009/059173A1
Methods and apparatus for a transforming aerial vehicle according to various aspects of the present invention may operate in conjunction with a launch system configured to rotate the aerial vehicle about its longitudinal axis. A lifting ...  
WO/2008/065654A3
A ducted air flow vehicle that includes a fuselage having a longitudinal axis, supporting at least one air flow duct and a prime mover arranged to force surrounding air into the duct through an inlet at an upper end of the duct with norm...  
WO/2007/129313A3
A vehicle including a fuselage having a longitudinal axis and a transverse axis, two Ducted Fan lift-producing propellers carried by the fuselage on each side of the transverse axis, and a body formed in the fuselage between the lift-pro...  
WO/2007/099543A3
A vehicle, particularly a VTOL air vehicle, includes a duct carried by the vehicle frame with the longitudinal axis of the duct perpendicular to the longitudinal axis of the vehicle frame; a propeller rotatably mounted within the duct ab...  
WO/2009/047376A1
The propulsion and lifting system and method for VTOL craft and aircraft consists in one or more fins, fixed and oscillating around one of the ridges or shafts thereof proximate to the intersection of the extension of the two rectangular...  
WO/2008/147484A9
The invention is a modular vehicle having an air vehicle that can be coupled to cargo containers, land vehicles, sea vehicles, medical transport modules, etc. In one embodiment the air vehicle has a plurality of propellers positioned aro...  
WO/2007/052271A3
A ducted air flow vehicle including a fuselage having a longitudinal axis, a first cockpit on one side of the longitudinal axis, a center portion adjacent and below the first cockpit, a first air flow duct mounted in the fuselage and inc...  
WO/2009/044998A1
This invention is regarding a VTOL aircraft that is designed to enable it to take off by generating lift through rotary wings like a helicopter and then moving forward; and when it flies at high speeds, it is able to use jet engines so t...  
WO/2006/041503A3
In a preferred embodiment, a vertical takeoff aircraft (100) body having an inverted hemispherical upper portion (120), a generally cylindrical lower portion (142) with a diameter of its upper end slightly greater than a diameter of its ...  
WO/2009/032027A2
A harness with mounted engine frame comprises a harness to be worn by a user. An engine support arm is mounted on the harness and a pair of lateral arms extend from the engine support arm. At least one engine is associated with each late...  
WO/2008/147484A3
The invention is a modular vehicle having an air vehicle that can be coupled to cargo containers, land vehicles, sea vehicles, medical transport modules, etc. In one embodiment the air vehicle has a plurality of propellers positioned aro...  
WO/2009/025632A1
The inventive vertical-takeoff-and-landing aircraft is used for transporting passengers and cargo and makes it possible to increase the powerplant performance and to improve aerodynamic and operational characteristics thereof. Said verti...  
WO/2008/140851A3
A rotorcraft having two coaxial, counter-rotating rotors, one proximate to the forward end of the fuselage and one proximate to the aft end of the fuselage, that generate the forces necessary to lift the craft and maneuver it in the air ...  
WO/2008/111952A3
The difference between a first position (110) of a first pylon of a tiltrotor aircraft and a second position (120) of a second pylon of the aircraft is prevented from becoming too large. An actuator position error (140) for the first pyl...  
WO2008085195B1
Rotorcraft wings disposed between tilt-rotor nacelles have particularly high aspect ratios for tilt-rotor rotorcraft, including for example at least 6, 7, 8, or higher. The increase in wing span and aspect ratio is possible because of th...  
WO/2008/118637A3
A governor configured, to regulate the rotational velocity of one or more rotors (14) of an aircraft (12) by adjusting a collective blade pitch of the one or more rotors. In one embodiment, the governor (30) comprises a control monitor (...  
WO/2008/141401A1
Synthetized helicopter, concerns of a vehicle, the most simple as possible, which uses various protected lateral helix, instead of only one, great and very big above it, normally called propeller, seen in a common and conventional helico...  
WO/2008/140851A2
A rotorcraft having two coaxial, counter-rotating rotors, one proximate to the forward end of the fuselage and one proximate to the aft end of the fuselage, that generate the forces necessary to lift the craft and maneuver it in the air ...  
WO/2008/135973A2
The present application relates to VTOL vehicles with multi-function capabilities and, specifically to ducted fan arrangements that facilitate the control of forces and flows of air to control movement of the vehicle in six degrees of fr...  
WO/2008/085195A3
Rotorcraft wings disposed between tilt-rotor nacelles have particularly high aspect ratios for tilt-rotor rotorcraft, including for example at least 6, 7, 8, or higher. The increase in wing span and aspect ratio is possible because of th...  
WO/2008/118637A2
A governor configured, to regulate the rotational velocity of one or more rotors (14) of an aircraft (12) by adjusting a collective blade pitch of the one or more rotors. In one embodiment, the governor (30) comprises a control monitor (...  
WO2008037865B1
The invention relates to a vertical take-off vehicle including two thermoreactors (1) or turbine engines having a rectangular air inlet (2) which opens into a positive-displacement rotary compressor (3) that supplies compressed air to a ...  
WO/2008/111952A2
The difference between a first position (110) of a first pylon of a tiltrotor aircraft and a second position (120) of a second pylon of the aircraft is prevented from becoming too large. An actuator position error (140) for the first pyl...  
WO/2008/105923A2
An aircraft includes a housing and a powerplant coupled to the housing and configured to rotate a drive shaft around its longitudinal axis. The aircraft may include at least one lift fan assembly coupled to its housing and including a ge...  
WO/2008/091300A2
Tilt-rotor aircraft experience increased efficiency and fuel economy by including wing extensions outboard of the tilting nacelles. Stall and buffeting during conversion from rotor-born hover to wing-born forward flight are reduced to an...  
WO/2008/085558A2
One embodiment of the present invention is a method for automatically controlling the conversion of a tiltrotor aircraft. An airspeed command for the tiltrotor aircraft is received. The airspeed command is converted to a pylon position. ...  
WO/2008/059363A3
A compact ultralight aircraft (10) comprising two coaxial counter- rotating rotors (11, 11') to each one which at least two rigid blades (12) are connected, centrally ducted in a cylindrical structure (13), of a radius substantially slig...  
WO/2008/063244A2
An improved personal propulsion device (11) that generally imparts thrust directly to the user (112). The device (11 ) allows hands free control of thrust magnitude and direction so both hands can grasp and control the handlebars and bra...  
WO/2008/059363A2
A compact ultralight aircraft (10) comprising two coaxial counter- rotating rotors (11, 11') to each one which at least two rigid blades (12) are connected, centrally ducted in a cylindrical structure (13), of a radius substantially slig...  
WO/2008/054234A1
The present invention relates to a propulsion system of a vertical takeoff and landing aircraft or vehicle moving in any fluid or vacuum and more particularly to a vector control system of the vehicle propulsion thrust allowing an indepe...  
WO/2008/037865A1
The invention relates to a vertical take-off vehicle including two thermoreactors (1) or turbine engines having a rectangular air inlet (2) which opens into a positive-displacement rotary compressor (3) that supplies compressed air to a ...  
WO/2008/038479A1
It poses a problem to produce a driver by which an appropriate clearance can be held constantly between the working surface of an electromagnet on the inner circumferential portion of a shroud and the working surface of a permanent magne...  
WO/2007/122245A3
An aircraft, in particular a VTOL craft, comprises a fuselage (10) supporting at least a pair of wings (16, 18). According to the invention, several propeller devices are connected to the fuselage (10) and optionally to the pair of wings...  
WO/2008/007147A1
An aircraft (10) comprising a rigid wing (12), a structure (18), a thrust producing means (16), and a pendulum (22) attached to said structure (18) at a pivoting end thereof, wherein the pendulum (22) is arranged to shift the centre of g...  
WO/2007/001373A3
A system for controlling inbound transition of an aircraft includes a fuselage and first and second freewings pivotably mounted on opposing sides thereof. The system includes an airspeed sensor that outputs an airspeed indication signal....  
WO/2007/122245A2
An aircraft, in particular a VTOL craft, comprises a fuselage (10) supporting at least a pair of wings (16, 18). According to the invention, several propeller devices are connected to the fuselage (10) and optionally to the pair of wings...  
WO/2007/110833A1
A convertible aircraft comprising a main body integrating at least one substantially triangular wing (1), the main body having a recess (2) centered substantially in correspondence of the center of gravity of the aircraft; and a propulsi...  
WO/2007/098634A1
Aircraft having two, preferably four or more, rotors (20) in wing hatches (10) which can be closed. The closure mechanism comprises, at the top, individually curved elements on a mount blind (40) and, at the bottom, longitudinal laminate...  
WO/2007/099543A2
A vehicle, particularly a VTOL air vehicle, includes a duct carried by the vehicle frame with the longitudinal axis of the duct perpendicular to the longitudinal axis of the vehicle frame; a propeller rotatably mounted within the duct ab...  
WO/2007/001369A3
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 subst...  
WO/2007/049032A1
A module (10) for use with a bypass turbofan engine. The module comprises a hot flow channel through which the hot gas flow generated by the engine can flow and a bypass flow channel (14) through which the bypass air generated by the eng...  

Matches 501 - 550 out of 1,419