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Patent Searching and Data


Matches 701 - 750 out of 1,420

Document Document Title
WO/1998/042569A1
This invention relates to heavier-than-air aircraft with a rotor of the double co-axial, counter rotating type having two propellers, and to its application to a helicopter-airplane to combine the desirable characteristics of heavier-tha...  
WO/1998/032656A1
The rotor with wings is an apparatus for lifting and moving loads vertically and horizontally and concerns the field of aerotechnics. It is apparatus which looks like a helicopter. The wings are located between the cabin (fig. 1, ref. 1)...  
WO/1998/029303A2
An aircraft has a fuselage substantially designed as an aerostatic lifting body and combined lifting and propelling devices joined to the fuselage, provided with propellers and forming driving units which can tilt between a lifting posit...  
WO/1998/023482A1
A STOL/VTOL free wing aircraft (100) includes a fuselage (102) and a source of propulsion (104) for propelling the aircraft in a horizontal flight mode and in a STOL/VTOL flight mode. The source of propulsion (104) provides a propulsion ...  
WO/1998/012106A1
The invention concerns an aircraft with vertical take-off and landing having a passenger cabin (3) remaining horizontal whatever the angle of inclination of the aircraft, characterised in that the support stands (69), (70), (71) and (72)...  
WO/1998/002350A1
An aircraft (12) adapted for flight in helicopter mode with its longitudinal axis oriented generally vertically and in airplane mode with its longitudinal axis oriented generally horizontally is provided with the capability of launching ...  
WO/1997/045639A1
The present invention uses the well-known phenomenon of unbalance of a rotating solid body that is wobbling and thus generating vibrations, wherein said unbalance is converted so that wobbling always occurs in one direction relative to t...  
WO/1997/044239A1
A torque tube/spar assembly (100) is provided for transferring the operational loads of a Variable Diameter Rotor blade assembly (16) to a rotor hub assembly (18). The torque tube/spar assembly (100) includes a torque tube member (24), a...  
WO/1997/044241A1
The invention discloses an aerodyne featuring vertical take-off and landing, comprising a fuselage (11) with a front end (12) and a rear end (16); a wing (19) mounted on the rear end and supported above the same; a horizontal stabilizer ...  
WO/1997/036781A1
An aiborne vehicle (10) generally comprises a body (12), a lifting mechanism (24) for lifting the vehicle (10), and a steering mechanism (34) operable by a user for steering the vehicle (10). The lifting mechanism (24) comprises first an...  
WO/1997/029014A1
The invention is applicable to vertical take-off and vertical landing aircrafts as well as to underwater crafts. It ensures stronger lift, higher flight ceiling, vortex localization around the aircraft, thereby facilitating the flight. T...  
WO/1997/022516A1
A modular approach to the manufacture of high performance military aircraft allows different aircraft to be manufactured at affordable cost and with high part number commonality. An aircraft so constructed includes a delta wing (4); a fo...  
WO/1997/021588A1
A rotor system (4) having odd and even blade assemblies (Ob, Eb) mounting to and rotating with a rotor hub assembly (6) wherein the odd blade assemblies (Ob) define a radial length RO, and the even blade assemblies (Eb) define a radial l...  
WO1997015492A3  
WO/1997/016342A1
The hybrid dirigible craft belongs to the category of flying vehicles which use an air cushion and take off and land at any type of airfield. The aim of the invention is to design an improved dirigible craft capable of taking off from an...  
WO/1997/015492A2
A hybrid aircraft is taught having VTOL, R-VTOL and S-STOL capabilities. The aircraft has a lifting body hull (1) and four wing sections (20) arranged in tandem which are pivotally moveable about their neutral axis. Each wing section has...  
WO/1997/012805A1
Patent of invention for the Aerodisk - Atmospheric Aeronautical Vehicle, consisting of a cabin (1, 1'), air intake for the circumfoil (2) support bearings (3), aerodynamic circumfoil (4), fuel tank (5), bays for landing gear (6), landing...  
WO/1997/001481A1
A VTOL aircraft exhaust ducting system for a wing (12) of a VTOL aircraft, the exhaust ducting system comprising: at least one forward lift duct (20) and at least one rear lift duct (22) each including a nozzle (60) located respectively ...  
WO/1997/000200A1
A vertical takeoff and landing aircraft according to the invention is of an economical type, in which locations where rotors are mounted to a main wing can be freely set, and which is convenient in not needing a runway and can functional...  
WO/1995/008472A1
A flight device that can be placed upon and fastened to a load, which may be a pilot (P) or a remote guided control device, comprises a bearing device that can be fastened to the load, a drive unit (100) that has a piston engine and that...  
WO/1995/007215A1
The proposed hybrid aircraft comprises a housing (1) in the form of a thick central wing with a vertical open conduit (2) in which is accommodated a lift propeller (4). The aircraft in addition has side wings and a tail assembly (8), as ...  
WO1994011246A3  
WO/1994/016942A1
A VTOL/STOL free wing aircraft (100) includes a free wing (110) having wings on opposite sides of a fuselage (102) connected to one another respectively adjacent fixed wing inboard or center root sections (117) fixedly attached to the fu...  
WO1994000347A3  
WO/1994/011246A2
Depending on the embodiment, this aircraft is steered by varying the orientation of at least one propeller and/or by pilot (80) body control. It starts with a vertical fuselage (1), goes into an approximately horizontal position as the s...  
WO/1994/010035A1
The spacecraft comprises: a fuselage (1), a wing (2), a motor unit comprising two liquid fuel launch rocket motors (3), two liquid fuel booster rocket motors (4), six transverse thrust rockets (5) mounted in the fuselage on a rotatable r...  
WO/1994/001326A1
The invention relates to the aviation industry and concerns means for transportation of liquid and bulk loads. The aim of the invention consists in creating a flying vehicle capable of lifting a multi-ton load from a limited site. The ai...  
WO/1994/000347A2
An unmanned aerial vehicle (UAV) (10) has a composite toroidal fuselage structure (20) that surrounds a rotor assembly (100) that includes pair of coaxial, multi-bladed, counter-rotating rotors (200, 202). The toroidal fuselage structure...  
WO/1993/024366A1
The invention relates to aviation namely to flying vehicles adapted to ride on an air cushion and to effect a take-off and landing on aerodromes of any category. The goal of the invention is to design a flying vehicle capable of aerodyna...  
WO/1993/017908A1
The VTOL aircraft (10) includes a free wing (16) having wings on opposite sides of the fuselage (12) connected to one another for joint free rotation and for differential pitch settings under pilot, computer or remote control. On vertica...  
WO/1993/010000A1
The aircraft (1) includes a free wing (4) freely pivotally supported about a spanwise axis (7) for flight in a free wing mode and lockabe in selected predetermined, fixed angles of incidence with respect to a fuselage (2) for flight in a...  
WO/1993/003961A1
An unmanned aerial vehicle (10) having a toroidal fuselage (20) that surrounds a pair of coaxial, multibladed, counter-rotating rotors (40). The toroidal fuselage (20) has an airfoil profile that is optimized to provide high hover effici...  
WO/1992/001603A1
An aircraft (10) particularly of the VTOL (vertical take-off and landing) type has a thrust unit with a lift unit (24) and a propulsion unit (26). The lift unit (24) has a fan (66) rotating on a vertical axis for directing air downwardly...  
WO/1991/017083A1
The invention is a propulsion system for a V/STOL type aircraft. In detail, the invention comprises a turbofan engine (31) including a fan section (46), compressor section (65), combustion section (74), turbine section (58) and nozzle se...  
WO/1991/015399A1
Propeller with twistable blades comprising a spar (1) with ribs (4 to 6) which can be rotated in opposite directions about the axis of the spar (1) by means of an adjusting device. A coupling means in the propeller ensures that when two ...  
WO/1991/015400A1
An aircraft having a substantially circular body having a profile in the direction of flight as a profile of an airplane wing, at least two concentric counter-rotating turbo-blade assemblies (15) within said body for effecting a vertical...  
WO/1991/011363A1
A VTOL aircraft including a fuselage (10) with four nacelles (12, 14, 16, and 18), three vertical stabilizers (20, 22, and 24) and a horizontal stabilizer (26) attached to the fuselage (10). The fuselage (10) and the nacelles (12, 14, 16...  
WO/1991/007314A1
Folding and foiling locking apparatus for rotor blades (26) that includes a power actuator (71) for rotating the blades (26) and locking means for securing the blade in the deployed position and securing the blades (26) against rotation ...  
WO/1991/005704A1
A drive system (12) for a tiltrotor aircraft (10) that provides for the operation of both proprotors (62, 44) by either engine (54, 36) or by both engines (54, 36). The drive system (12) provides an interconnection drive shaft (50) that ...  
WO/1991/005698A1
An actuator (10) is disclosed for movement between a retracted position and an extended position. The actuator (10) can be used to pivot a pylon (14) in a tilt rotor aircraft relative to the aircraft wing (12) between a helicopter mode a...  
WO/1990/009922A1
The invention is a short/vertical takeoff and landing aircraft. In detail, it comprises an airframe (11) having aerodynamic lift and flight control surfaces. An engine (24) is mounted in the airframe in a reversed position having the inl...  
WO/1990/009313A1
A Vertical Take-off and Landing Aircraft (10) using top-surface blowing to generate lift in conjunction with thrust reversing means (68) to react forward travel such that vertical flight is achieved. In a preferred embodiment, the aircra...  
WO/1989/007547A1
Flying apparatus with retractable and adjustable propulsion system allowing passage through woods and aerial approach. The apparatus is designed with two adjustable turbines providing lift, each with six blades located around the hub and...  
WO/1988/005011A1
The wings (2) are washed by the propeller (1) of which the totality of the stream is deviated by flaps (8). The control surfaces remain usable during hovering and transition flight by means of a system for blowing the control surfaces (7).  
WO/1988/004257A1
By mounting a lift engine (4) and a lift/cruise engine (6) closely to the center of gravity (C.G.) of an aircraft (2) and by orienting the respective engines (4, 6) such that the thrust axes thereof are arranged for ensuring that the vec...  
WO/1988/000556A1
A VTOL aircraft (10) comprising a fuselage (12) having a wing (14) fixed to it, a turbine fan (48) rotatably housed within the wing (14) and a plurality of sets of stator vanes (30, 38, 46, 52) disposed above and/or below the turbine fan...  
WO/1986/004558A1
A vertical take-off machine having a rotary blade (2) constituting an outer circumferential covering for a machine body, provided with at least two air suction ports (8) and adapted to eject the air downward; and a stationary blade (5) p...  
WO/1985/003684A1
New flight motion concept. It consistsof a decrease of the front pressure of helicoplanes to lower thanthe downstream separation zone pressure. So helicoplanes are pushed forward by atmospheric air instead of being dragged as conventiona...  
WO/1984/001341A1
A short takeoff and landing aircraft (10) and vertical/short takeoff and landing aircraft (10), having upper surface blowing engines (12, 14) on gull-shaped wings (24, 26) which may be tilted and translated by a variable incidence transl...  
WO/1981/000089A1
An aircraft includes a cylindrical body having annular intakes (4) and jet outlets (5) about the periphery thereof, as well as a turbo jet engine (2) comprising a compressor (7), combustion chamber (8) and turbine (9), and gas deflection...  

Matches 701 - 750 out of 1,420