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Patent Searching and Data


Matches 601 - 650 out of 1,355

Document Document Title
WO/2003/091658A1
Methods and systems for monitoring rotating shaft shafts (28) and couplings (30) in an aircraft propulsion system is described. The measurement system/method provides for accurate and precise monitoring of a rotating shaft flexible coupl...  
WO/2003/089145A2
A composite drive shaft (311) in which the end adapters (315a, 315b) are captured in the composite material portion during the process of manufacturing the composite drive shaft assembly is disclosed. The end adapters include lugs (329) ...  
WO2003022630A3
A vehicle (10) for land and air transport and, more specifically, to a vertical take-off and landing vehicle for land, water and air transport that is submersible and utilizes compressed air to lift and propel the vehicle during travel. ...  
WO2002096750A3
A vehicle, particularly a VTOL air vehicle (2), includes a duct (10) carried by the vehicle frame with the longitudinal axis of the duct (10) perpendicular to the longitudinal axis of the vehicle frame; a propeller (11) rotatably mounted...  
WO/2003/078246A1
A vertical take-off and landing miniature aerial vehicle includes an upper fuselage segment (12) and a lower fuselage segment (14) that extend in opposite directions from a rotor guard assembly (16). A rotor (52) rotates within the rotor...  
WO2003004353A3
An aerial vehicle (10) including a toroidal fuselage (12) having a longitudinal axis (14), and a duct (16) extending along the longitudinal axis (14) between a leading edge (18) and a trailing edge (20) of the fuselage (12), first and se...  
WO/2003/074924A1
The invention relates to an aircraft comprising a number of lifting rotors and propulsion rotors, provided with an electric motor for each rotor and with a power inverter for each motor. The aim of the invention is to provide an aircraft...  
WO/2003/068597A2
A vertical take off and land (VTOL) jet aircraft (100) may have a jet engine mounted in a forwardportion of the aircraft. A thrust deflection assembly may be provided rearward of the jet engine,and include a cascade (206) and control box...  
WO/2003/066429A2
A VTOL vehicle with tiltable nacelles (14 and 16), with counter rotating fans which are directly driven by two included rotary engines. In an alternate embodiment there are two additional nacelles with additional thrusters. A redundant c...  
WO/2003/057561A2
An aircraft equipped with peripherally configured directional thrust capability has an onboard primary power source producing compressed air, and at least two thrust producing modules (11). Each thrust producing module (11) has a fuel so...  
WO/2003/035470A1
An aircraft (10) is provided having a rotary lifting system (26) including vanes (36) supported thereon which are movable between a deployed position in which the vanes (36) provide lift to the aircraft (10) when rotated and an undeploye...  
WO/2003/033344A2
A disclosed vertical lift flying craft (10) includes a lift unit (20) that, during operation, develops a force including an upward component. A payload unit (50) suspends from the lift unit (20). The payload unit (50) suspends from the l...  
WO/2003/029075A2
A personal aircraft (PAC) capable of vertical take-off and landing (VTOL) comprises a fixed wing (134) and a fuselage (132) with a passenger compartment. The fuselage also includes thrusters wich may be independently powered and integrat...  
WO2003004353A9
An aerial vehicle including a toroidal fuselage having a longitudinal axis, and a duct extending along the longitudinal axis between a leading edge and a trailing edge of the fuselage, first and second counter-rotating, variable pitch ro...  
WO/2003/024790A1
A variable speed tilt rotor system and method for operating such a system are provided which allow the rotor to be operated at an optimal angular velocity in revolutions per minute (RPM) minimizing the power required to turn the rotor th...  
WO/2003/022630A2
A vehicle (10) for land and air transport and, more specifically, to a vertical take-off and landing vehicle for land, water and air transport that is submersible and utilizes compressed air to lift and propel the vehicle during travel. ...  
WO/2003/016134A1
A VTOL aircraft (10) (or other vehicle such as a sea vehicle) includes a pair of elongated ducts on opposite sides of the vehicle body, and a plurality of powered propellers (or other propulsion units such as jet engines) mounted within ...  
WO/2003/014853A1
A fluid flow control mechanism is provided for linearizing a fluid flow. The mechanism includes a frame having a cylindrical outer baffle which rotatably supports a plurality of propeller elements thereon. Each propeller element defines ...  
WO/2003/004353A2
An aerial vehicle (10) including a toroidal fuselage (12) having a longitudinal axis (14), and a duct (16) extending along the longitudinal axis (14) between a leading edge (18) and a trailing edge (20) of the fuselage (12), first and se...  
WO/2002/098732A2
A vehicle includes a fuselage (11), 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 (12) and substantial...  
WO/2002/096750A2
A vehicle, particularly a VTOL air vehicle (2), includes a duct (10) carried by the vehicle frame with the longitudinal axis of the duct (10) perpendicular to the longitudinal axis of the vehicle frame; a propeller (11) rotatably mounted...  
WO2001010712A9
A pylon conversion system (100) for operating a pylon (12) on a tiltrotor aircraft (10) between an aircraft mode and a helicopter mode is disclosed. The system (100) comprises first and second pylon conversion actuators (102, 104) each h...  
WO2001094198A3
The invention relates to an aircraft (10) for taking off and landing in a substantially vertical manner. Said aircraft comprises a fuselage (12) with a drive unit (40) and an uplift device (14) mounted preferably on top of the fuselage (...  
WO/2002/026560A1
A lift generator by a continuously rotating impeller, wherein a cover is installed closely to the outer peripheral surface of the impeller having an axis parallel with a ground surface in an area of half the outer peripheral surface ther...  
WO/2001/094198A2
The invention relates to an aircraft (10) for taking off and landing in a substantially vertical manner. Said aircraft comprises a fuselage (12) with a drive unit (40) and an uplift device (14) mounted preferably on top of the fuselage (...  
WO/2001/087707A1
An aircraft (10) is disclosed that comprises a fuselage (12) with first and second wings (14) non-rotatably secured to and extending from sides of the fuselage (12). Inner and outer tracks are secured to and encircle the fuselage (12), a...  
WO/2001/087446A1
The invention concerns a remote-control and remote-power aircraft, powered by electric motors coupled to propellers, characterised in that it is capable of hovering or of controlled movement in the three dimensions. The system consists o...  
WO/2001/087706A1
A tiltrotor aircraft (11) has a multi-mode tiltrotor nacelle control system with integrated envelope protection (13). The tiltrotor aircraft (11) has a fuselage (15), a tail section (17), a left wing member (21a), a right wing member (21...  
WO/2001/062591A1
The invention relates to an engine-powered aircraft (1) with a propeller drive system. To allow the aircraft to take off and land vertically, it is provided with a front wing (2) mounted in a lower zone, and with a rear wing (3) mounted ...  
WO/2001/056879A1
An arrangement for a horizontally and vertically flying aircraft of the type that for vertical flight has rotors that form a lifting area such as in a helicopter, and where the rotors are retracted within a rotor disc (4) during horizont...  
WO/2001/030652A1
The aircraft comprises a central cabin (1), which is located in the center of a circular wing (3). Several pivotal electric drive units (102-112) are arranged in a gap between the central cabin and the circular ring. In hover flight, the...  
WO/2001/019673A1
The invention concerns a convertible aircraft (1) with tilting rotors (9), flying in aeroplane mode as well as in helicopter mode, with high fixed wings (5), raised with respect to the fuselage (2) and in positive dihedral supporting the...  
WO/2001/010712A1
A pylon conversion system (100) for operating a pylon (12) on a tiltrotor aircraft (10) between an aircraft mode and a helicopter mode is disclosed. The system (100) comprises first and second pylon conversion actuators (102, 104) each h...  
WO2000068077B1
Apparatus for transporting a load (24) between source and destination locations, comprising an aircraft having a body (11), power plant (12) carried by the body (11) to drive the aircraft both generally vertically and also generally hori...  
WO2000047470B1
A wingless personal air transport comprises two main sections: First, a substantially horizontal circular inner platform (12) is provided with its outer extremity having a first diameter D1. This inner platform (12) has a seat (22) for c...  
WO2000050759A3
A thrust directing mechanism (430) to vector thrust and control discharge throat area is disclosed. Mechanism (430) includes a number of vanes (460a-460h) mounted across passage (418) of thrust vectoring nozzle (440). Mechanism (430) inc...  
WO2000047470A3
A wingless personal air transport comprises two main sections: First, a substantially horizontal circular inner platform (12) is provided with its outer extremity having a first diameter D1. This inner platform (12) has a seat (22) for c...  
WO2000040464A3
A robotic or remotely controlled flying platform (10) with reduced drag stabilizing control apparatus constructed having an air duct (12) with an air intake (14) on the top and an exhaust (16) at the bottom, containing supported therein ...  
WO/2000/068077A1
Apparatus for transporting a load (24) between source and destination locations, comprising an aircraft having a body (11), power plant (12) carried by the body (11) to drive the aircraft both generally vertically and also generally hori...  
WO/2000/064736A1
An unmanned aerial vehicle that includes a fuselage (12) with a partial toroidal forward portion, and an aft portion. A duct (18) is formed through the fuselage and extends from the top to the bottom of the fuselage. Two counter-rotating...  
WO/2000/051885A1
A method of steering an aircraft (1), and an aircraft (1) comprising a supporting structure, at least one utility space (13), at least two propellers (5, 6) whose axles are arranged horizontally, and a driving mechanism (8) to rotate eac...  
WO/2000/050759A2
A thrust directing mechanism (430) to vector thrust and control discharge throat area is disclosed. Mechanism (430) includes a number of vanes (460a-460h) mounted across passage (418) of thrust vectoring nozzle (440). Mechanism (430) inc...  
WO/2000/047470A2
A wingless personal air transport comprises two main sections: First, a substantially horizontal circular inner platform (12) is provided with its outer extremity having a first diameter D1. This inner platform (12) has a seat (22) for c...  
WO2000015497A3
An unmanned air vehicle (UAV) (100) having a ducted fan configuration with a propeller (114) mounted inside of an opening (104) that extends longitudinally through the fuselage (102) is shown. The UAV also includes a gyroscopic stabiliza...  
WO/2000/040464A2
A robotic or remotely controlled flying platform (10) with reduced drag stabilizing control apparatus constructed having an air duct (12) with an air intake (14) on the top and an exhaust (16) at the bottom, containing supported therein ...  
WO/2000/037312A1
A drive system for a variable diameter rotor system that includes a plurality of rotor blade assemblies (14) with inner and outer blade segments (16, 18). The outer blade segment (18) being telescopically mounted to the inner blade segme...  
WO/2000/037311A1
A rotor blade actuation system (100) is disclosed for controlling extension and retraction of an outboard blade section (18) of a rotor blade (14) by varying the speed and direction of rotation between a main rotor shaft (22) and a blade...  
WO/2000/015497A2
An unmanned air vehicle (UAV) (100) having a ducted fan configuration with a propeller (114) mounted inside of an opening (104) that extends longitudinally through the fuselage (102) is shown. The UAV also includes a gyroscopic stabiliza...  
WO/2000/005131A1
A VTOL aircraft comprising propellers (1, 2) located at the front and rear of a main wing (3), the front propeller (1) being provided so that it pulls an airframe forward and a back wash by the propeller (1) provides a lift to the main w...  
WO1998029303A8
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...  

Matches 601 - 650 out of 1,355