Matches 1 - 50 out of 144 1 2 3 >
Match Document Document Title
7364115 System 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....
7143973 Avia tilting-rotor convertiplane  
The present invention provides a tilt rotor aircraft having a centrally mounted tiltable engine and rotor assembly. A turbine or other type of engine (or engines) is pivotally mounted on a central...
7128293 Helicopter  
A helicopter has a power unit supported on an arch support member above an airframe. The power unit may be moved forward and rearward by a trim actuator to trim the helicopter and tilted about...
7059562 Vertical lift flying craft  
A disclosed vertical lift flying craft includes a lift unit that, during operation, develops a force including an upward component. A payload unit suspends from the lift unit. The payload unit...
7011274 Aircraft  
The invention concerns a land and flying vehicle with its tubular frame, 2 main rotors with blades and adjustable pitch-propellers, with its drive propelled by the force of a hydraulic turbine...
6976655 Mounting arrangement  
A mounting arrangement ( 26 ) is provided for mounting an engine ( 10 ), typically a gas turbine engine, to a vehicle. The mounting arrangement ( 26 ) includes connecting means ( 28, 30 )...
6974105 High performance VTOL convertiplanes  
A single-tilt-rotor VTOL airplanes have a tiltable rotor attached to an elongated power pod containing the collective and cyclical pitch mechanism, and transmission. The power pod is pivotably...
6896221 Vertical takeoff and landing aircraft  
A vertical takeoff and landing aircraft, which includes pivotal wing and engine assemblies on a fuselage with tail assemblies extending from each of the wing assemblies and the engines being...
6892980 Vertical takeoff and landing aircraft  
A vertical takeoff and landing (VTOL) aircraft is superior in maneuverability, safety, and mobility. The aircraft has turbofan engines with separate core engines having fan engines used commonly...
6886776 VTOL personal aircraft  
A personal aircraft (PAC) capable of vertical take-off and landing (VTOL) comprises a fixed wing and a fuselage with a passenger compartment having a front, a rear and two sides, and a plurality of...
6863241 Control of an aircraft as a thrust-vectored pendulum in vertical, horizontal and all flight transitional modes thereof  
An improved aircraft includes a thrust source, a wing, and a boom functioning as a “free lever” and having a distal end upon which the thrust is acting and a proximal end about which the boom...
6860449 Hybrid flying wing  
An aircraft has a flying wing and two wingtip hulls installed on the wingtips of the flying wing. Both of the wingtip hulls contain lighter-than-air gas to generate static lift. These wingtip hulls...
6843447 Vertical take-off and landing aircraft  
A vertical take-off and landing aircraft includes a fuselage, a left wing, a right wing, at least one forward thruster, a horizontal stabilizer and a vertical stabilizer. The left and right wings...
6793172 Lightweight remotely controlled aircraft  
An aircraft which is designed for remote controlled slow flight, indoor or in a small outdoor yard or field. The aerial lifting body is defined by a series of lightweight planar or thin airfoil...
6783096 Vertical lift flying craft  
A disclosed vertical lift flying craft includes a lift unit that, during operation, develops a force including an upward component. A payload unit suspends from the lift unit. The payload unit...
6708920 Air vehicle  
Disclosed is an air vehicle (Z) comprising a vehicle body ( 1 ); hollow fan ducts ( 3 A- 3 D) supported to and elongating through the vehicle body at least at its foreside and rear-side locations,...
6695264 Power lever tactile cueing system  
The present invention is a power lever tactile cueing system for providing tactile alerts to pilots as operational limits of an aircraft are approached. The cueing system generates a tactile cue...
6691830 Device for lubricating a power gearbox with a variable orientation, particularly for a convertible tilt-rotor aircraft  
A device for lubricating a power gearbox having a variable orientation and a closed space has a lubricating unit that supplies lubricant to at least one element of the gearbox, which needs to be...
6659394 Compound tilting wing for high lift stability and control of aircraft  
An aircraft including a fuselage, a compound tilting wing (CTW) and aircraft engines mounted on the aircraft. The CTW includes a leading edge wing portion and a tilting main wing portion. The...
6655631 Personal hoverplane with four tiltmotors  
A vertical take-off and landing aircraft having a wing fitted, in the preferred embodiment, with two nacelles one port and one starboard, each nacelle having two tiltmotors in tandem, one forward...
6648270 Vehicle  
A vehicle is disclosed having a hull with a longitudinal, vertical and lateral axis, the hull further having front end and rear ends and first and second sides. A turbofan engine mounted in said...
6568630 Ducted vehicles particularly useful as VTOL aircraft  
A VTOL aircraft (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...
6543718 Engine arrangement  
An engine arrangement ( 10 ) comprises propulsion means for propelling the aircraft ( 12 ), and drive means to drive the propulsion means. The arrangement ( 10 ) further includes mounting means to...
6450445 Stabilizing control apparatus for robtic or remotely controlled flying platform  
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 (...
6382559 Thrust vectoring mechanism  
A thrust vectoring mechanism to vector thrust and control discharge throat area includes four or more vanes mounted across the outlet of a nozzle in a cascade arrangement. The mechanism further...
6371407 Mechanism for vectoring exhaust flow  
A mechanism and methods for directing the flow of exhaust gases associated with a V/STOL aircraft. A pair of constant area nozzles are associated with a plenum chamber that receives and contains...
6259976 Fuzzy logic based emergency flight control with thrust vectoring  
A fuzzy logic based emergency flight control system for an aircraft. The system has a thrust vectoring flight control system, an aerodynamic flight control system, and a fuzzy logic controller. The...
6254032 Aircraft and method for operating an aircraft  
The aircraft comprises a central cabin, which is located in the center of a circular wing. Several pivotal electric drive units are arranged in a gap between the central cabin and the circular...
6138946 Device for lift and to reduce resistance to aircraft advance  
The device for lift and to reduce forward resistance of aircraft consists of a converging input duct of truncated-cone-shaped or truncated-pyramid-shaped, arranged lengthwise inside the fuselage...
6041273 Emergency control aircraft system using thrust modulation  
A digital longitudinal Aircraft Propulsion Control (APC) system of a multiengine aircraft is provided by engine thrust modulation in response to comparing an input flightpath angle signal γc from...
5984229 Extremely short takeoff and landing of aircraft using multi-axis thrust vectoring  
A system for enabling an aircraft to accomplish extremely short takeoffs and landings, which includes an integrated flight control system; a takeoff system; a landing system and a high...
5897078 Multi-service common airframe-based aircraft  
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...
5868351 Rotor blade stowing system  
Rotor blade stowing system for stowing rotor blades that conserves storage space without adding significant weight or cost to the aircraft. The system includes a rotary actuator disposed on a blade...
5842667 Vertical takeoff and landing mass transit system and method  
The invention relates to a mass transit method including a docking terminal where passengers are loaded onto a craft with integral passenger pod. The craft lifts vertically from the docking...
5839691 Vertical takeoff and landing aircraft  
A vertical takeoff and landing aircraft has a fuselage with a wing located above the fuselage at the rearward end and with a horizontal stabilizer located at the forward end. The propellers are...
5836543 Discus-shaped aerodyne vehicle for extremely high velocities  
A discus-shaped aircraft is provided with a peripheral jet arrangement for generating lift and, in the bottom of the aircraft, at least one rocket engine supplied with silicon hydride and...
5758844 Vertical/short take-off and landing (V/STOL) air vehicle capable of providing high speed horizontal flight  
The vehicle includes a fuselage; a plurality of lifting surfaces attached to the fuselage having control devices attached thereto; and, an articulated propulsion system attached to the fuselage....
5746390 Air-land vehicle with ducted fan vanes providing improved performance  
A ducted fan 20 provides lift to a flying vehicle 10. The ducted fan includes direction control vanes (1, 2, 3, 4) for controlling torques applied to the vehicle, and also includes lift negation...
5597137 Vertical take-off and landing aircraft  
A vertical take-off and landing aircraft has an upwardly-open U-shaped channel extending from a front edge to a rear edge of each of two fixed wings and a thrust providing device, such as a...
5419514 VTOL aircraft control method  
In a vertical take-off and landing vehicle, the invention is a method for improving stability by virtue of establishing conversion of thrust vectors over the center of gravity of the vehicle while...
5407150 Thrust unit for VTOL aircraft  
A thrust unit for an aircraft having a lift unit for propelling the aircraft in upward flight. The lift unit includes a duct for directing air substantially downwardly, the duct being shaped so...
5405105 Tilt wing VTOL aircraft  
A tilt wing VTOL aircraft has a fuselage with sides and an upper surface, an upper wing having a leading edge, a trailing edge, a chord, a lower surface and an upper surface. The wing is pivotally...
5381985 Wingtip mounted, counter-rotating proprotor for tiltwing aircraft  
A tiltwing aircraft, capable of in-flight conversion between a hover and forward cruise mode, employs a counter-rotating proprotor arrangement which permits a significantly increased cruise...
5348252 Vectorable nozzle mounting  
A vectorable nozzle mounting for an engine installation in a VSTOL aircraft in which hot gas nozzles are mounted on the airframe is described. A swivelable nozzle is mounted by means of a bearing...
5244167 Lift augmentation system for aircraft  
A lift augmentation system for aircraft which comprises a plurality of propellers parallel to an aircraft wing and inset parallel to and at the trailing edge of the wing. The propellers function to...
5242132 Multi-hulled aircraft/boat  
An amphibious aircraft capable of V-STOL operations, the aircraft comprised of a pair of buoyant, coterminus, and elongated body members having an axially converging and diverging profile, joined...
5178344 VTOL aircraft  
A VTOL aircraft (100) is provided having a plurality of rotor blade sets (2) disposed at least partially beneath the fuselage (1). The aircraft is propelled vertically by means of the thrust...
5145129 Unmanned boom/canard propeller v/stol aircraft  
An unmanned aircraft is provided which dual turbo shaft engines diving contra-rotating propellers. A bow plane provides pitch control during normal aircraft cruising. The contra-rotating propellers...
5131605 Four engine VTOL aircraft  
A VTOL aircraft has a first engine nacelle mounted under the wing on one side of the fuselage and houses two of the aircraft engines. The first engine nacelle is mounted in close proximity with the...
5096140 Aircraft with engine pods tiltable about a transverse axis  
The invention concerns an aircraft with engine pods located outboard on the wings and tiltable about a transverse axis. A fixed wing centerpiece is provided which terminates at the outside in each...
Matches 1 - 50 out of 144 1 2 3 >