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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Counter rotating ducted fan having a permanent magnet drive

Invented by: John Anthony Mohr
Camarillo, CA

Originally Assigned to: The United States of America as represented by the Secretary of the Navy
Washington, DC
[Now assigned to . . .]

Issued:2006-04-25
Filed:2004-07-23
Application No:10901396
Examined by:Nguyen; Tran

A counter rotating ducted fan having a permanent magnet drive. comprising a ducted housing having an iron core stator and a pair of counter rotating propeller blades rotationally mounted on a propeller shaft positioned axially within the housing Each of the propeller blades includes a plurality of individual propeller blades of an even number. Permanent magnets are mounted in permanent magnet insertion holes located at the tip of each of the individual propeller blades. When excited by an electrical current a pair of excitation windings mounted within the iron core stator control the rotational speed and direction of the pair of counter rotating propeller blades.

[pdf] U.S. Pat. No. 7,032,859

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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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