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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Turboprop unit for aircraft with improved aerodynamic installation

Invented by: Alain Fournier
Le Plessis Robinson, FR

Bernard Laboure
Velizy, FR

Robert Standish
Saint-Cloud, FR

Originally Assigned to: Aircelle
Harfleur, FR
[Now assigned to . . .]

Issued:2010-03-23
Filed:2005-04-19
Application No:11587355
Examined by:Mansen; Michael R

A turboprop engine includes a power jet mounted coaxially to the engine axis (X-X'), and has a fan case and a gas ejecting system provided with two afterbody half-cowlings (10b) each of which is pivotable around an axis (A.sub.2) between open and closed positions, wherein the half-cowlings are connected to the downstream of the fan case through a `V-blade/V-groove` system. In a first embodiment, the pivot axes (A.sub.2) make an angle .alpha.>3.degree. to the engine axis (X, X') and a joint plane (Z.sub.2-Z.sub.2) between the afterbody half-cowlings and the downstream of the fan case makes to the plane (Y, Y') perpendicular to the engine axis (X, X') an angle .beta. in such a way that the difference between the angle .alpha. and the angle .beta. is less than or equal to 3.degree.. In the other embodiment, the axes are converged to each other in a downstream direction.

[pdf] U.S. Pat. No. 7,681,833

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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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