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:
Feb. 22, 2022
Filed:
Feb. 14, 2020
Applicant:
Safran Transmission Systems, Colombes, FR;
Inventors:
Adrien Louis Simon, Moissy-Cramayel, FR;
Jean-Charles Michel Pierre Di Giovanni, Moissy-Cramayel, FR;
Assignee:
SAFRAN TRANSMISSION SYSTEMS, Colombes, FR;
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F02C 7/36 (2006.01); F01D 25/18 (2006.01); F16H 57/08 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F01D 25/18 (2013.01); F16H 57/0479 (2013.01); F16H 57/082 (2013.01); F02C 7/06 (2013.01); F05D 2220/323 (2013.01); F05D 2230/60 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01); F16H 2057/085 (2013.01);
Abstract
A sun gear for a mechanical reduction gear of a turbine engine, in particular for aircraft, the sun gear having a general annular shape about an axis and comprising at the outer periphery thereof, a meshing gearing with planet gears of the reduction gear, and at the inner periphery thereof, splines for coupling with an input shaft of the reduction gear, characterised in that the sun gear has a staged profile in axial cross-section, and preferably comprises an annular recess opening radially inwards and configured to receive at least one oil jet.