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:
Dec. 10, 2019

Filed:

Sep. 03, 2015
Applicant:

Safran Aircraft Engines, Paris, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01); F04D 29/56 (2006.01);
U.S. Cl.
CPC ...
F01D 17/162 (2013.01); F04D 29/563 (2013.01); F05D 2220/323 (2013.01); F05D 2260/4031 (2013.01); F05D 2260/53 (2013.01);
Abstract

A drive mechanism () for driving a first adjustment member () for adjusting the orientation of the blades () of a first turbomachine rectifier stage () and a second adjustment member () for adjusting the orientation of the blades () of a second turbomachine rectifier stage (), which comprises a mechanism for simultaneously moving the two adjustment members () in the turbomachine, characterised in that it comprises a single drive wheel () that simultaneously drives the first adjustment member () and the second adjustment member () and comprises two gear stages () that are arranged between the drive wheel () and one or the other of the first adjustment member () and the second adjustment member () and that have different transmission ratios.


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