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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Electric sail for producing spacecraft propulsion

Invented by: Pekka Janhunen
Hameenlinna, FI

Originally Assigned to: Pekka Janhunen
Hameenlinna, FI
[Now assigned to . . .]

Issued:2010-01-05
Filed:2006-03-02
Application No:11365875
Examined by:Carone; Michael

A spacecraft propulsion system includes a plurality of wires (102) or other electrically conductive elongated members deployed from a main body (101) into respective radial directions. An electric potential generator (605) generates an electric potential on board the main body (101). The electric coupling between the electric potential generator (605) and the elongated members is controlled (604) so that all or some of the elongated members (102) assume a high positive potential. An auxiliary propulsion system (203) rotates the main body around a rotational axis (502) that is perpendicular to the radial directions, thus creating a centrifugal supporting force to the elongated members.

[pdf] U.S. Pat. No. 7,641,151

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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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