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.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Mar. 15, 2017
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Jeremy Dievart, Moissy-Cramayel, FR;
Yanis Benslama, Moissy-Cramayel, FR;
Nathalie Nowakowski, Moissy-Cramayel, FR;
Assignee:
Safran Aircraft Engines, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F02K 3/06 (2006.01);
U.S. Cl.
CPC ...
F02K 3/06 (2013.01); F02C 7/06 (2013.01); F05D 2220/326 (2013.01); F05D 2220/327 (2013.01); F05D 2260/40311 (2013.01);
Abstract
A turbofan engine including: a turbine shaft; a fan shaft; and a reduction mechanism coupling the turbine shaft and the fan shaft, is provided. The turbofan engine has a bypass ratio greater than or equal to 10, and the turbine shaft is supported by four bearings such that the flexural deformation modes of the turbine shaft are positioned in transient phase or outside the operating range of the turbofan engine.