Matches 1 - 22 out of 22


Match Document Document Title
US20140014769 Balloon Altitude Control Using Density Adjustment and/or Volume Adjustment  
A balloon having an envelope and a payload positioned beneath the envelope. The envelope comprises a first portion and a second portion, wherein the first portion allows more solar energy to be...
US20140252163 Altitude Control Via Rotation of Balloon to Adjust Balloon Density  
A balloon having an envelope, a gas contained within the envelope, a payload connected to the envelope, wherein the envelope has a first portion that has a first absorptive or reflective property...
US20140048646 Balloon Power Sources with a Buoyancy Trade-Off  
Example embodiments may facilitate altitude control by a balloon in a balloon network. An example method involves: (a) causing a balloon to operate in a first mode, wherein the balloon comprises...
US20090314879 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...
US20140014770 Geo-Fencing  
A balloon includes a cut-down device, a payload, and an envelope. A control system could be configured to determine a position of the balloon with respect to a predetermined zone. The cut-down...
US20090114768 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...
US20140021293 System and Method for Varying Airship Aerostatic Buoyancy  
A solar-powered airship with a hull configured to contain a gas and at least one propulsion assembly with a propulsion device and electric motors configured to drive the propulsion device. The...
US20080035787 Lighter-than-air gas handling system and method  
A lighter-than-air gas handling method and system for an airship capable of operating at a plurality of altitudes each characterized by a plurality of environmental conditions comprises a...
US20090065637 Buoyancy system using double-sorb controllers for engine fueling and airship attitude correction  
A buoyancy system using double-sorb controllers for engine fueling and airship attitude control is disclosed. The buoyancy system is based on the use of a Liquefied Natural Gas (LNG) payload that...
US20140319271 Relative Positioning of Balloons with Altitude Control and Wind Data  
The positions of balloons in a communication network of balloons, such as a mesh network of high-altitude balloons, may be adjusted relative to one another in order to try to maintain a desired...
US20090189015 Unmanned Aircraft for Telecommunicative or Scientific Purposes  
The invention relates to an unmanned aircraft for telecommunicative or other scientific purposes, which is stationed in determined height, in particular in the stratosphere. The aircraft comprises...
US20090114767 Unmanned Aircraft as a Plaftorm for Telecommunication or Other Scientific Purposes  
The aim of the invention is to position an unmanned aircraft (1) that is used as a platform (10) for telecommunication or other scientific purposes at a predetermined altitude in the stratosphere....
US20100140390 Flying Wind Energy Conversion Apparatus  
A Wind energy conversion apparatus comprising a wind turbine supported by, or integral with, a lighter-than-air structure, the part of the turbine that rotates being rotated by the wind whilst at...
US20090072082 Propulsion system for an airship or hybrid aircraft  
A propulsion system for an airship or hybrid aircraft includes a propeller and a pivot mechanism connected to the propeller. The pivot mechanism enables the propeller to pivot around a first pivot...
US20100230533 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...
US20140367511 SYSTEMS AND APPLICATIONS OF LIGHTER-THAN-AIR (LTA) PLATFORMS  
Innovative new methods in connection with lighter-than-air (LTA) free floating platforms, of facilitating legal transmitter operation, platform flight termination when appropriate, environmentally...
US20100200693 Apparatus for Generation and Use of Lift Gas  
A balloon launch unit produces lift gas to enable balloon launch or to allow the prolongation of balloon flight. A method of using the balloon launch unit can include reforming a fuel source by...
US20060157617 Airship having a multiple-lobed hull  
A non-rigid airship has a hull with a plurality of lobes formed therein. The lobes decrease the radius of curvature of the hull, thereby reducing the stress on the hull due to the pressurized...
US20100102164 System, method and apparatus for widespread commercialization of hydrogen as a carbon-free alternative fuel source  
A system for efficiently transporting hydrogen from where it can be economically made to where it is most needed using specially designed airships. Technologies such as geothermal, wind, solar,...
US20130062457 Aerial Vehicle and Method of Flight  
An aerial vehicle is described which comprises: a first compartment for holding a lighter than air gas;a second compartment for holding atmospheric air and having an inlet and an outlet;a solar...
US20170129579 SYSTEMS AND METHODS INCLUDING ELEVATION CONTROL  
A system for elevation control. The system comprises a substantially gastight envelope containing lifting gas wherein the envelope further comprises a plurality of envelope segments in fluid...
US20160214699 Ballonet for a Balloon  
Methods and apparatuses are disclosed for altitude control of a high-altitude balloon. A bladder or ballonet is provided within an envelope of a balloon. The bladder is tubular-shaped, is...

Matches 1 - 22 out of 22