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:
Sep. 20, 2022
Filed:
Feb. 10, 2020
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Janice Jabido, Farmington, CT (US);
Michael E. McCune, Colchester, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F01D 15/12 (2006.01); F01D 25/18 (2006.01); F02K 3/02 (2006.01); F16H 1/28 (2006.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
F16H 57/0427 (2013.01); F01D 15/12 (2013.01); F01D 25/18 (2013.01); F02K 3/025 (2013.01); F16H 1/28 (2013.01); F16H 57/0442 (2013.01); F16H 57/0479 (2013.01); F16H 57/0486 (2013.01); F16H 57/082 (2013.01);
Abstract
A fan drive gear system for a turbofan engine according to an exemplary embodiment of this disclosure, among other possible things includes a sun gear that is rotatable about an axis, a plurality of intermediate gears driven by the sun gear, and a baffle that is disposed between at least two of the plurality of intermediate gears for defining a lubricant flow path from an interface between the sun gear and at least one of the plurality of intermediate gears. The baffle includes a channel with at least one ramp portion directing lubricant.