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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Method of controlling and regulating the deflection angle of a tailplane in a hybrid helicopter

Invented by: Paul Eglin
Roquefort-La Bedoule, FR

Nicolas Queiras
Les Pennes Mirabeau, FR

Andre Barraco
Cachan, FR

Francois Malburet
Coudoux, FR

Originally Assigned to: Eurocopter
Marignane Cedex, FR
[Now assigned to . . .]

Issued:2013-11-12
Filed:2011-04-18
Application No:13088493
Examined by:Lee; Benjamin P

A method of controlling and regulating a rotorcraft presenting a speed of advance that is high and stabilized, the rotorcraft including at least a main lift rotor (10), at least one variable pitch propulsion propeller (6), and at least one power plant for driving the main rotor(s) (10) and at least one propeller (6), said method consisting in using a first loop for regulating pitch or attitude, and a second loop for regulating speed by means of a control over the mean pitch of the propulsion propeller(s) (6), wherein the method further consists in controlling the deflection angle of a horizontal tailplane (30, 25, 35) by using a third loop for controlling and regulating said deflection angle of the horizontal tailplane (30, 25, 35) in order to minimize the total power consumed by the main rotor (10) and the propulsive propeller(s) (6), for a given speed and attitude.

[pdf] U.S. Pat. No. 8,583,295

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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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