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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

System and method for limiting cyclic control inputs

Invented by: Robert L. Fortenbaugh
Pantego, TX

Jose Manuel Rodriguez
Fort Worth, TX

Ronald Lorenz Kisor
Coppell, TX

Robert Blyth
Grapevine, TX Applicant: Name City State Country Type Bell Helicopter Textron Inc. Fort Worth TX US

Originally Assigned to: Textron Innovations Inc.
Providence, RI
[Now assigned to . . .]

Issued:2014-03-04
Filed:2013-07-24
Application No:13949814
Examined by:Dinh; Tien

A control system having a first loop configured to provide a longitudinal blowback value of a rotor blade during flight and a second loop associated with the first loop, the second loop being configured to provide a design maximum total flapping value and a lateral flapping value. A method includes calculating a flight control limit from the design maximum total flapping value and the lateral flapping value. An upper longitudinal cyclic control limit is calculated by adding the flight control limit to the longitudinal blowback value. A lower longitudinal cyclic control limit is calculated by subtracting the flight control limit from the longitudinal blowback value.

[pdf] U.S. Pat. No. 8,662,439

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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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