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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Rotor carrier structure with a damper device for avoiding unstable coupling between resonant vibration modes

Invented by: Paul Cranga
Marseilles, FR Applicant: Name City State Country Type Cranga

Originally Assigned to: Airbus Helicopters
Marignane Cedex, FR Family ID: 1000000655422
[Now assigned to . . .]

Issued:2014-09-02
Filed:2010-12-16
Application No:12969691
Examined by:Sanderson; Joseph W

A carrier structure for a rotor and a method of preventing the coupling of the vibration modes of a carrier structure of a flying machine with the vibration modes of a rotor are provided. The carrier structure has an airframe and a mounting structure suitable for being engaged with the rotor. A vibration-damper mechanism is fitted to the mounting structure and has a resonator that includes a weight element, a damper, and a first deformable member. The weight element is a flapping weight element and is carried by the mounting structure via the first deformable member. The first deformable member allows the weight element to move with respect to the mounting structure and restrains the mobility of the weight element. The damper is interposed between the weight element and the mounting structure for damping the movement of the weight element.

[pdf] U.S. Pat. No. 8,820,674

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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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