Unmanned aircraft for telecommunicative or other scientific purposes, which is stationed at a determined height, in particular in the stratosphere. The aircraft includes a gas-filled balloon carrying a platform and equipment that maintains the platform in a position relative to the ground. The balloon carrying the platform is disposed in the interior of an external balloon of aerodynamical shape, particularly in the stratosphere. At least one low or high pressure insulation chamber filled with a medium is arranged between them and encircles the inner balloon. The medium used in the insulation chamber is a gas having a low thermal conductivity. The negative effects of the temperature differences are largely compensated so that the inner balloon can be produced from a lighter and cheaper material, thereby increasing durably its longevity.
This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.
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