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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Harmonic force generator for an active vibration control system

Invented by: Kirk Charles Frederickson
Seymour, CT

Originally Assigned to: Sikorsky Aircraft Corporation
Stratford, CT
[Now assigned to . . .]

Issued:2011-06-14
Filed:2003-10-01
Application No:10676775
Examined by:Luong; Vinh T.

A force generator for an active vibration control (AVC) system provides a mass located upon an inner circular member which is movable within an outer circular member to simultaneously complete one revolution about its axis as it orbits within the outer circular member to compensate for sensed vibrations. A crank mounts the inner circular member and a counterweight. The crank is rotated by a prime mover such as an electric motor. The mass will therefore generate a sinusoidal inertial force in a straight line. Multiple systems are suitably arranged to be used in conjunction with one another to provide a wide range of inertial force outputs.

[pdf] U.S. Pat. No. 7,958,801

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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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