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8167240 |
System and methods for buoyancy management in an airship
An airship comprising a hull configured to be inflated with a first gas; a ballonet in the hull, the ballonet configured to be inflated with a second gas that is heavier than the first gas; a fan...
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8091826 |
Aerostatic buoyancy control system
A system allowing for the active management of aerostatic lift in buoyant and semi-buoyant aerial vehicles comprised of a high tensile-strength outer pressure cell of a given volume and an inner...
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8061651 |
Airship photocatalytic reactor energy generation, storage, and pipeless transmission systems
An energy management system for lighter-than-air vehicles which includes a reactor means for generating energy, storage means for storing the reactants used in the reactor means, and an integrated...
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8033497 |
Hybrid thermal airship
An airship comprises a shell, a gas storage system, an air storage system, a cargo storage system, a heating system, and a propulsion system. The shell encompasses a volume. The gas storage system...
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7887007 |
High-altitude long-endurance airship
A high-altitude long-endurance airship with a top surface that is highly emissive of infrared radiation and a bottom surface that is highly absorptive of infrared radiation. Movable displacer...
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7856295 |
Device for issuing authorization to act on the operating conditions of an aircraft engine and engine control system comprising same
A device for issuing authorization to act on the operating conditions of an aircraft engine and engine control system includes a first unit for determining particular parameters concerning the...
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7568656 |
System for controlling the lift of aircraft
A system for controlling lift of an aircraft comprises an inflatable compartment for containing a gas which is lighter than air. A receiver receives and stores the gas in a compressed condition....
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7500638 |
Heavy lift airship
A large heavy lift airship of lenticular shape divided into upper and lower convex shaped halves and configured with horizontal configurations in each half made up of four quadrants of...
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7487936 |
Buoyancy control system for an airship
One embodiment of the invention provides an airship having an outer tube formed in the shape of a toroid and defining a central opening, a first compartment positioned within the outer tube and...
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7472865 |
Dehumidification system for an airship
A dehumidification system for removing water vapor from the within the envelope of an airship comprises a pressurizer valve, a blower and a dehumidifier attached to the airship. The pressurizer...
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7469857 |
System and method for altitude control
An differential expansion system and method for balloon buoyancy control which includes a zero-pressure envelope and a superpressure envelope. A gas transfer device is positioned between the...
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7350749 |
Mass transfer system for stabilizing an airship and other vehicles subject to pitch and roll moments
The invention relates to a mechanism to control the pitch and/or roll and/or center of gravity of a vehicle. The first embodiment is a track-based mass transfer system in which pathways are...
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7163177 |
Airship ballast system
An airship ballast system includes an engine driven propeller and a cooling tube that is positioned coplanar with the propeller and outside its tip path. One end of the cooling tube is connected to...
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6811115 |
Method and system for setting hull parameter of airship and method of adjusting ascension rate of the same
A method comprises: launching observation means configured to observe upper air environment immediately before launching an airship to acquire ambient air data on the actual conditions of the upper...
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6698686 |
Airship
A plurality of bulkheads (23a to 23d) are installed in a hull (21) so as to divide the interior space of the hull (21) into a plurality of compartments (ΔS1 to ΔS5) successively arranged along t...
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6648272 |
Airship
An airship has a gas bag for containing lifting gas, which gas bag is located within an outer envelope. The envelope, made of flexible material, is made rigid by the pressure of the gas in the gas...
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6619586 |
Thermal airship buoyancy controller
An automatic buoyancy controller is disclosed for management of lift in thermal airship 20. Data from envelope air temperature sensor 34 and ambient air temperature sensor 38 are input to...
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6609680 |
High altitude airships
A high-altitude airship has a non-rigid hull. On launch, the airship is partially inflated with a lifting gas. The partially inflated hull is less susceptible to buffeting and turbulence from lower...
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6425552 |
Cyclical thermal management system
A cyclical thermal management system is provided for responding to diurnal heating and nocturnal cooling cycles to maintain a high altitude platform in a geostatic position for long periods of...
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6305641 |
Super-pressured high-altitude airship
A super-pressured high-altitude airship flies in the stratosphere, is propelled against the wind by the power obtained through the photovoltaic conversion of the sunlight, and is used for a...
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6164589 |
Centerline landing gear for aerocraft
A partially buoyant aircraft capable of transporting very large cargo payloads comprises a lifting body with an exterior airfoil configuration that includes internal structural support members for...
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6016991 |
Evacuated rotating envelope aircraft
An aircraft utilizes a buoyant evacuated rotating envelope to provide at least a portion of the lift required. The rotating envelope may be in the form of a disk, cylinder or other suitable shape....
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5931412 |
Air balloon containing inert gas
In an air balloon (1) comprising a leak-tight casing (2) consisting of one or more layers containing an inert gas (3) that is lighter than air and provided with a part (4) designed to be opened...
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5890676 |
Airship with neutral buoyancy fuel bladder
A neutral buoyancy fuel bladder uses hydrogen and oxygen to power an airship. The neutral buoyancy fuel bladder includes a fuel cell, electrolyzer, and means for storing hydrogen, oxygen and water....
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5813627 |
Balloon support apparatus for hot air balloon ride
The balloon support apparatus for a hot air balloon ride comprises a doughnut shaped sleeve engaged within a crown area of an envelope of the hot air balloon. The sleeve contains a lighter than air...
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5757157 |
Sensor mount apparatus
A sensor mount apparatus includes a loop for carrying a sensor payload. An upper portion of the loop includes at least one upper attachment point for receiving at least one upper tether line. A...
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5538203 |
Ballonet system for a lighter-than-air vehicle
The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gas bag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes...
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5348254 |
Long period floating airship
An airship of semirigid type including hydrogen which floats for a long period of time without supplying energy, and is for example in use for a relay station or a wide range observatory station....
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5333817 |
Ballonet system for a lighter-than-air vehicle
The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gasbag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes...
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5297763 |
Safety balloon apparatus
A balloon member includes a plurality of partition walls coextensive within the balloon to divide the balloon into equal quadrants to accommodate safe descent and enhance inflation of at least a...
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5285986 |
Rigid airship with a carrier frame of ribs and beams enclosed by skin sections forming an envelope
An airship has a carrier frame with triangular cross-ribs arranged so that an apex faces upwardly and a base faces downwardly, whereby longitudinal beams at the corners of the triangles...
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5096141 |
Aircrane
An airship is described that shows a central rigid frame, extending the length of the airship, about which are arranged at least three equally spaced gas envelopes containing a lifting gas....
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5090637 |
Helium purification system for lighter-than-air aircraft
A helium purification system for use with lighter-that-air airships has a catalytic purification stage for removing oxygen from the lift gas, and if desired, a nitrogen removal stage. Impure lift...
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5076513 |
Aerostat intended to travel in an autonomous and reversible manner between the ground of a planet having an atmosphere and a predetermined ceiling altitude
The invention relates to an aerostat of the double balloon type intended to travel in an autonomous and reversible manner between the ground of a planet having an atmosphere and a predetermined...
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5005783 |
Variable geometry airship
A variable geometry lighter-than-air craft which can change from a buoyant airship to a heavier-than-air craft by changing shape. The craft has a flexible envelope filled with helium or other...
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4986494 |
Process of stabilizing at altitude a stratoshperic balloon, and balloon adapted for carrying out the process
The invention relates to a process for stabilizing at altitude a stratospheric balloon between the upper and lower levels through a plurality of diurnal and nocturnal cycles. The process comprises...
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4934631 |
Lighter-than-air type vehicle
A lighter-than-air type vehicle comprising a frame-work and a series of inflatable lift bags secured to said framework. The lift bags inwardly contain heating elements and a gas, such as hydrogen...
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4865266 |
Hot air balloon and methods and devices for augmenting buoyancy, rate of lift, safety, envelope life and economy
The invention improve hot air balloons of the type using heavy duty propane burners producing large unconfined flames by manually controlled intermittent short combustion periods,--the type used...
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4850551 |
Propulsion system for a buoyant vehicle
The invention is a propulsion system for a buoyant aircraft. The invention comprises a gas storage container filled with a lighter-than-air gas and having outer walls of which at least a portion...
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4773617 |
Lighter-than-air craft
A lighter-than-air craft [10] having an outer envelope [11] divided into an inner envelope [25] and a plurality of compartments [40,41,42]. The compartments are filled with lifting gases such as...
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4711416 |
Steerable lighter than air balloon
The invention concerns a steered aerostatic balloon and in particular the creation of balloons of large volumes, which are free (airships, space balloons) or captive (material loading or unloading...
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4640474 |
Method and apparatus for aerially transporting loads
A method and system for aerially transporting loads between a loading site and a discharging site. A lift balloon is ballasted with liquid ballast at a discharging site and propelled to a loading...
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4619422 |
Balloon carriage
A gondola for a hot air balloon utilizes a rigid carriage with external and internal walls forming an enclosure with a central opening sized for accommodation of crew members. A platform extends...
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4534525 |
Evacuated balloon for solar energy collection
A large cylindrically-shaped balloon-like structure having hemispherical ends with fins utilized in conjunction with airflow thereacross based upon Bernoulli's principle for maneuvering and...
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4498408 |
Lifting body for diving
Lifting body for transporting or lifting objects under water, of the type in which the lifting gas has essentially the same pressure as the surrounding mass of water. The lifting body comprises a...
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4457477 |
Process for altitude-stabilizing a balloon, and atmospheric balloons for implementing this process
A process for altitude-stabilizing an atmospheric balloon comprising ballast jettison mechanism to vary the balloon's specific weight, and using a balloon provided with an interpole link for...
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4402476 |
Exhaust valve and maneuvering structure for lighter-than-air aircraft
A lighter-than-air (LTA) aircraft having a valve structure affording the rapid removal of the lifting gas. The valve comprises a circular panel sewn within the envelope about an upper opening in...
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4394998 |
Process and apparatus for exploring the atmosphere of a planet
For exploring the high density high temperature atmosphere of a planet at a stabilized altitude, a buoyant assembly comprising an inflatable envelope is used. A container connectable with the...
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4366936 |
Aircraft having buoyant gas balloon
An airship is provided utilizing a spherical balloon filled with buoyant gas such as helium at a pressure substantially greater than atmospheric so that its dimensions are substantially unaffected...
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4361297 |
Atmospheric exploration vehicle
A vehicle for the exploration of the atmosphere comprising an infra-red and olar montgolfier (hot-air balloon) capable of being piloted reversibly. The vehicle comprises a gas-tight envelope in...
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