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:
Jan. 23, 2024
Filed:
Feb. 11, 2021
Applicant:
Safran Aircraft Engines, Paris, FR;
Inventors:
Didier Gabriel Bertrand Desombre, Moissy-Cramayel, FR;
Paul Feliot, Moissy-Cramayel, FR;
Assignee:
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F01D 5/02 (2006.01); F01D 5/10 (2006.01); F01D 21/08 (2006.01); F16D 3/72 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F01D 5/026 (2013.01); F01D 5/027 (2013.01); F01D 5/10 (2013.01); F01D 21/08 (2013.01); F16D 3/72 (2013.01); F05D 2240/62 (2013.01); F05D 2250/232 (2013.01); F05D 2250/314 (2013.01); F05D 2260/4031 (2013.01);
Abstract
The present invention relates to a shaft for a propulsion system configured to rotate a reducing mechanism about a rotational axis, the shaft comprising: —a first end configured to engage with an input gear of the reducing mechanism, —a first bellows and a second bellows, the first bellows and the second bellows being rotationally symmetrical about the rotational axis, the first bellows extending between the first end and the second bellows, and —a frustoconical body mechanically connecting the first bellows and the second bellows.