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344results about "Tethered aircraft" patented technology

Tethered aerial system for data gathering

InactiveUS20130233964A1Increase horizontal rangeExtending flight spaceTethered aircraftActuated automaticallyLevel flightFlight vehicle
A tethered unmanned aerial vehicle (“UAV”) may be outfitted with a sensor payload for data gathering. The tethered UAV may be tethered to a ground station for constricting the flight space of the UAV while also providing the option for power delivery and / or bidirectional communications. The tethered UAV's flight path may be extended by introducing one or more secondary UAVs that cooperate to extend the horizontal flight path of a primary UAV. The ground station, which may be coupled with the tethered aerial vehicle, may comprise a listening switch configured to determine a condition of the tether such that the supply of power to the tether may be terminated when tether damage or a tether severance is detected.
Owner:AURORA FLIGHT SCI CORP

UAV Fire-fighting System

An unmanned aerial vehicle (UAV) designed to extinguish fires from the air while remaining tethered to the ground via a tether system fashioned to provide the UAV with power and extinguishant. The UAV is preferably electrically powered and is stabilized in the air via a system of gyroscopes fashioned to work in concert with a series of electric motors capable of moving to counteract the opposing recoil force exhibited as water escapes the nozzle of the tether. A command and control unit on the ground supplies the UAV with electricity and water via the tether. The UAV is preferably stored within and launched from the command and control unit. Controls and sensor readings are communicated to a controller—be it autonomous or human—on the ground, preferably within or proximal to the command and control unit.
Owner:MOORE JASON

Kite configuration and flight strategy for flight in high wind speeds

A crosswind kite system adapted to operate in an alternate mode in high winds. The system may operate at reduced efficiency in high winds in order to moderate loading on the system during those high winds. The system may use multi-element airfoils which are actuated to reduce the coefficient of lift of the airfoils in order to moderate loading in high wind conditions. Other flight aspects may be controlled, including flying the crosswind kite in side slip to induce drag which may lower loading on the system.
Owner:MAKANI TECH LLC

Tethered unmanned aerial vehicle fire fighting system

A tethered unmanned aerial vehicle firefighting system includes a firefighting drone, a lifting drone and a tether line coupling the firefighting drone to a control station through the lifting drone. The control station includes a control unit for controlling the firefighting drone and the lifting drone, a fire retardant supply, a pump coupled to the fire retardant supply, and a power supply. The tether line includes a power line coupling the power source to and powering the firefighting drone and a fire retardant hose coupled between the pump and a nozzle carried by the firefighting drone. A lifting tower hold the tether from the control station at a height above ground level, and the lifting drone maintains the tether above obstruction for the firefighter drone. The firefighter drone disperses fire retardant from the nozzle for firefighting purposes and with a substantially unlimited supply of retardant and power.
Owner:WHITAKER TODD MICHAEL +1

Tethered system for power generation

A system for power generation comprises a wing, a turbine, a tether, and a tether tension sensor. The wing is for generating lift. The turbine is coupled to the wing and is used for generating power from rotation of a propeller or for generating thrust using the propeller. One end of the tether is coupled to the wing. The tether tension sensor is for determining a tension of the tether.
Owner:MAKANI TECH LLC +1

Method for Generating Electrical Power Using a Tethered Airborne Power Generation System

A tethered airborne electrical power generation system which may utilize a strutted frame structure with airfoils built into the frame to keep wind turbine driven generators which are within the structure airborne. The primary rotors utilize the prevailing wind to generate rotational velocity. Electrical power generated is returned to ground using a tether that is also adapted to fasten the flying system to the ground. The flying system is adapted to be able to use electrical energy to provide power to the primary turbines which are used as motors to raise the system from the ground, or mounting support, into the air. The system may then be raised into a prevailing wind and use airfoils in the system to provide lift while the system is tethered to the ground. The motors may then resume operation as turbines for electrical power generation. The system may be somewhat planar in that many turbines may have their rotors substantially in one or more planes or planar regions. The system may also be adapted to be assembled of modular components such that a variety of different numbers of turbines may be flown, yet the system may be substantially constructed from multiple similar members.
Owner:BEVIRT JOEBEN

Kite Ground Station and System Using Same

A kite system with a ground station adapted for airborne power generation. The kite system may include a kite which comprises one or more airfoils which have mounted thereon a plurality of turbine driven generators. The turbine driven generators may also function as motor driven propellers in a powered flight mode, which may be used during take-off, which may include aspects of vertical take-off and landing. A perch adapted to facilitate the take-off and landing may be used as part of the system. The perch may pivot such that the pivot is oriented towards the tension direction of the tether.
Owner:MAKANI TECH LLC

Robot surveillance system and method

A robot surveillance system includes a robot chassis, a drive subsystem for the chassis, a dock on the chassis, and a payout device associated with the chassis. A flying module is configured to be received in the dock and includes at least one rotor powered by a motor and a body portion including an imager. A tether is coupled to the payout device of the robot and to the flying module for allowing the flying module to climb out of the dock when powered to gain elevation for surveillance and imaging via the imager and for retracting the flying module to land on the robot and reside in the chassis dock after surveillance.
Owner:FOSTER-MILLER

Tether energy supply system

A tether continuous energy supply system for an unmanned aerial vehicle comprising: a ground station, a ground station energy system, a spool coupled to the ground station energy system at a rotating joint, a tether that is wound about the spool, wherein a first end of the tether is coupled to the rotating joint, a tension control motor coupled to both the spool and the ground station energy system, an unmanned aerial vehicle coupled to a second end of the tether, a UAV energy system, a fluid that moves throughout the tether continuous energy supply system, a tension control system that receives and transmits signals from a plurality of sensors contained within the tether continuous energy supply system, and a distributed controls system that receives and transmits signals from the plurality of sensors contained within the tether continuous energy supply system.
Owner:HONEYWELL INT INC

Rotocraft power-generation, control apparatus and method

A control system for a power generation apparatus and method may fly a rotorcraft rotary wing at an altitude above the nap of the earth. A tether, suitably strong and flexible, connected to the rotorcraft framing is pulled with a force generated by the rotary wing. The force is transmitted to a ground station that converts the comparatively linear motion of the tether being pulled upward with a lifting force. The linear motion may be transferred to a rotary motion in the ground station to rotate and electrical generator. The tether may be retrieved and re-coiled by controlling the rotorcraft aircraft to basically fly down at a speed and lift force to support recovery of the rotorcraft at a substantially reduced force compared to the larger lifting force in effect during the power-developing payout of the tether. Moreover, the duty cycle of such a system is substantially increased over any terrestrially based or tower-mounted wind turbine mechanisms.
Owner:CALVERLEY GRANT

Airborne Power Generation System With Modular Electrical Elements

A tethered airborne electrical power generation system which may utilize a strutted frame structure with airfoils built into the frame to keep wind turbine driven generators which are within the structure airborne. The primary rotors utilize the prevailing wind to generate rotational velocity. Electrical power generated is returned to ground using a tether that is also adapted to fasten the flying system to the ground. The flying system is adapted to be able to use electrical energy to provide power to the primary turbines which are used as motors to raise the system from the ground, or mounting support, into the air. The system may then be raised into a prevailing wind and use airfoils in the system to provide lift while the system is tethered to the ground. The motors may then resume operation as turbines for electrical power generation. The system may be somewhat planar in that many turbines may have their rotors substantially in one or more planes or planar regions. The system may also be adapted to be assembled of modular components such that a variety of different numbers of turbines may be flown, yet the system may be substantially constructed from multiple similar members.
Owner:BEVIRT JOEBEN +1

Tethered payload system and method

A vehicle, especially a maritime vessel, is provided with an autogyro drawn by a tether. The tether contains mechanical strengthening components that enable it to securely retain the autogyro to the vehicle. The tether also contains two electrical conductors carrying different phases of AC power to the autogyro, and four optical fibers carrying optical data signals to and from the autogyro electronic payloads and avionics control circuitry. Signal converters at ends of the tether convert a wide range of electrical or wireless signals to optical data signals for transmission along the tether, and then back into the original electrical signal format for use by the autogyro or vehicle electronics.
Owner:L 3 COMM CORP

Midair Tethering of an Unmanned Aerial Vehicle with a Docking Station

Unmanned aerial vehicle docking systems and methods are presented herein. A UAV may hover in a hovering position above a docking pad of the UAV docking system based on positioning measurements. An on-board camera may image a machine-readable code present on the docking pad. The hovering position of the UAV above the docking pad may be adjusted based on imaging of the machine-readable code and ranging measurements to the docking pad. A tether can be extended from the UAV towards the docking pad. The hovering position of the UAV and extension of the tether can be adjusted such that a mating device present on a distal end of the tether engages with a coupling device of the UAV docking pad. The tether may be reeled in to the UAV to assist in lowering the UAV from the hovering position to a landing position on the docking pad.
Owner:ECHOSTAR TECH INT CORP

Tethered drone assembly

InactiveUS20160318607A1Facilitate large scale additive manufacturingAircraft componentsTethered aircraftMobile vehicleElectricity
A tethered drone assembly is provided. The tethered drone assembly may be a vehicle-based tethered drone assembly system or may be a free standing tethered drone assembly system. The tethered drone assembly has a plurality of drones each tethered by a cord. The tethered drones may hover in front of, behind or on either side of the vehicle so as to better survey the surrounding area of the vehicle. In some embodiments, a main product tank is used to supply liquids, foams, gases, powders, electrical power and / or electrical communication to the drones. A plurality of sensors located on the drones allows the drones to detect objects and environmental conditions in front of, behind or on either side of the moving vehicle in real-time and allow the vehicle to therein adjust its work accordingly. The drones may be controlled remotely by a user or may be automatically controlled by sensors.
Owner:DESAI PINAKIN +2

Aerial vehicle system

A system is provided for maneuvering a payload in an air space constrained by one or more obstacles, and may include first and second aerial vehicles coupled by a tether to a ground station. Sensor systems and processors in the ground station and aerial vehicles may track obstacles and the tether's and the vehicles' positions and attitude to maneuver the payload and the tether to carry out a mission. The sensor system may include airborne cameras providing data for a scene reconstruction process and simultaneous mapping of obstacles and localization of aerial vehicles relative to the obstacles. The aerial vehicles may include a frame formed substantially of a composite material for preventing contact of the rotors with the tether segments.
Owner:DRONA LLC

Airborne, tethered, remotely stabilized surveillance platform

An airborne surveillance platform supporting optoelectronic and electronic sensors, including level sensors, is automatically stabilized in a horizontal plane by varying the length of two tethers out of three. Error signals from the level sensors are transmitted over a wireless link to control components on a rotating platform on the host vehicle, which automatically vary the length of tethers. Applications include images of the surrounding terrain generated by a video camera and a thermal imager in military, police and civil emergency operations.
Owner:PETROV DIMITRI

Tethering system and method for remote device

A tethering system for a remote-controlled device comprising a tether line having a first end adapted to be connected to a ground support and a second end adapted to be connected to the remote-controlled device. The system further includes an anchor-point disposed between the first and second ends of the tether line, the anchor point having an eyelet for securing the tether line and allowing the tether line to slide through the eyelet during use. The anchor-point and eyelet enable the tether line to flex or bend and the remote-controlled device to maneuver one or more of over or around the target area without interfering with any nearby obstructions.
Owner:STATE FARM MUTUAL AUTOMOBILE INSURANCE

Aircraft

The present invention concerns an aircraft having a plurality of lifting and thrust rotors, with an electric motor and an inverter for each motor. In order to provide an aircraft having a greater payload, connecting bars are provided between the motors. In that respect the invention is based on the realization that, if such connecting bars are arranged in the manner of a latticework, they can provide a light but nonetheless stable structure for the aircraft, and that structure can carry correspondingly greater loads.
Owner:WOBBEN ALOYS

Airborne, tethered, remotely stabilized surveillance platform

An airborne surveillance platform supporting optoelectronic and electronic sensors, including level sensors, is automatically stabilized in a horizontal plane by varying the length of two tethers out of three. Error signals from the level sensors are transmitted over a wireless link to control components on a rotating platform on the host vehicle, which automatically vary the length of tethers. Applications include images of the surrounding terrain generated by a video camera and a thermal imager in military, police and civil emergency operations.
Owner:PETROV DIMITRI

Tethered Unmanned Aerial System

A tethered unmanned aerial system (UAS) is described, wherein the flight of one or more UASs may be used in connection with a water and light display.
Owner:WET ENTERPRISES

Systems and methods for obtaining accurate 3D modeling data using multiple cameras

Systems and methods using an Unmanned Aerial Vehicle (UAV) to obtain data capture at a cell site for developing a three dimensional (3D) thereof include causing the UAV to fly a given flight path about a cell tower at the cell site; obtaining data capture during the flight path about the cell tower, wherein the data capture includes a plurality of photos or video subject to a plurality of constraints, wherein the plurality of photos are obtained by a plurality of cameras which are coordinated with one another; and subsequent to the obtaining, processing the data capture to define a three dimensional (3D) model of the cell site based on one or more objects of interest in the data capture.
Owner:ETAK SYST LLC

Aircraft

The present invention concerns an aircraft having a plurality of lifting and thrust rotors, with an electric motor and an inverter for each motor. In order to provide an aircraft having a greater payload, connecting bars are provided between the motors. In that respect the invention is based on the realization that, if such connecting bars are arranged in the manner of a latticework, they can provide a light but nonetheless stable structure for the aircraft, and that structure can carry correspondingly greater loads.
Owner:WOBBEN ALOYS

Unmanned gyrokite as self-powered airborne platform for electronic systems

Embodiments of an unmanned gyrokite for use in conjunction with a tether are provided. In one embodiment, the unmanned gyrokite includes an airframe configured to be attached to the tether, an autogyro rotor assembly mounted to the airframe and configured to generate lift when deployed in winds aloft, and a generator mechanically coupled to the autogyro rotor assembly and configured to be driven thereby. An electronic system coupled to the airframe is configured to be powered by the generator.
Owner:RAYTHEON CO

Three-dimensional reconstruction method, system and device based on aerial photography of unmanned aerial vehicles

The invention provides a three-dimensional reconstruction system based on aerial photography of unmanned aerial vehicles. The system comprises an unmanned aerial vehicle (120), a ground station (110)and a cloud server (130). The ground station is used for determining aerial photography parameters indicating the aerial photography state of the unmanned aerial vehicle, wherein the aerial photography parameters are sent to the unmanned aerial vehicle; the unmanned aerial vehicle is used for receiving the aerial photography parameters sent by the ground station and the unmanned aerial vehicle flies according to the aerial photography parameters, controls a camera mounted thereon to collect aerial photography images, and sends the aerial photography images to the cloud server; the cloud serveris used for receiving the aerial photography images and generating a three-dimensional model of a target area according to the aerial photography images. With the system, a three-dimensional model ofa target area can be obtained with high efficiency. The three-dimensional reconstruction method and device based on aerial photography of unmanned aerial vehicles are also provided.
Owner:SZ DJI TECH CO LTD

Hydraulically Propelled Drone for Delivering Firefighting fluid

A hydraulically propelled drone is provided for delivering firefighting fluid to an elevated location. The drone comprises a housing having a primary inlet configured to receive the distal end of a fire hose, a primary outlet configured to receive the inlet end of a primary nozzle, a central passageway configured to conduct fluid from the primary inlet to the primary outlet, and at least one secondary outlet communicating with the central passageway. At least one lift nozzle communicates with the secondary outlet and is configured to direct fluid in a generally downward direction so as to produce an upward thrust on the drone housing, and at least one valve is contained within the housing and configured to control the flow of said fluid through the primary nozzle and the at least one lift nozzle nozzle.
Owner:HEIN KIM F
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