The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 28, 2020

Filed:

Feb. 18, 2016
Applicant:

Safran Aircraft Engines, Paris, FR;

Inventors:

Mathieu Simon Paul Gruber, Moissy-Cramayel, FR;

Norman Bruno Andre Jodet, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 1/16 (2006.01); B64C 1/40 (2006.01); B64D 27/14 (2006.01); B64D 29/04 (2006.01); B64D 27/26 (2006.01); B64D 27/00 (2006.01);
U.S. Cl.
CPC ...
B64C 1/16 (2013.01); B64C 1/40 (2013.01); B64D 27/14 (2013.01); B64D 29/04 (2013.01); B64C 2230/14 (2013.01); B64D 2027/005 (2013.01); B64D 2027/262 (2013.01); Y02T 50/166 (2013.01); Y02T 50/44 (2013.01); Y02T 50/46 (2013.01); Y02T 50/66 (2013.01);
Abstract

A propulsion assembly for aircraft, the assembly including a turbojet having at least one unducted propulsion propeller; and an attachment pylon for attaching the turbojet to a structural element of the aircraft, the pylon being positioned on the turbojet upstream from the propeller and having an airfoil extending transversely between a leading edge and a trailing edge, the trailing edge of the airfoil of the pylon includes a cutout extending longitudinally over a fraction of the trailing edge facing at least a portion of the propeller, the cutout being configured to increase locally the distance between the trailing edge and the propeller, the cutout presenting an outline having a curved shape presenting at least two points of inflection.


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