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:
Jun. 29, 2021

Filed:

Apr. 03, 2019
Applicant:

Safran Aircraft Engines, Paris, FR;

Inventors:

Lilian Yann Dumas, Moissy-Cramayel, FR;

Cédric Michel Claude Chretien, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 17/162 (2013.01); F01D 9/041 (2013.01); F05D 2240/128 (2013.01); F05D 2260/30 (2013.01); F05D 2260/50 (2013.01);
Abstract

The present disclosure relates to a control device of an annular row of variable-pitch vanes for an aircraft engine. The device may include an annular row of actuating levers which each may include a first end attached to a pivot of one of the vanes and a second end connected to a control ring in rotation about an axis of rotation. The control ring may include at least one annular series of articulated links, wherein the second end of each lever carries a pivot connection articulating two successive links of the annular series about a single axis, the single axis extending in a direction substantially parallel to the axis of rotation.


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