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:
Jan. 04, 2022

Filed:

Oct. 03, 2019
Applicant:

Rolls-royce Corporation, Indianapolis, IN (US);

Inventor:

Mark Winely, Avon, IN (US);

Assignee:

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/28 (2006.01);
U.S. Cl.
CPC ...
F16H 1/2827 (2013.01); F16H 1/2863 (2013.01); F16H 2001/2881 (2013.01);
Abstract

A planet gear housing assembly in an epicyclical gear assembly comprises an aft planet gear assembly and a forward planet gear assembly. The aft planet carrier assembly comprises an aft flange defining a central aperture and an annular mounting flange positioned forward of and coaxial with said central aperture, said mounting flange forming a forward facing mounting surface comprising a curvic structure. The forward planet carrier assembly comprises a forward flange defining a central aperture and an annular mounting flange positioned aft of and coaxial with said central aperture, said mounting flange forming an aft facing mounting surface comprising a curvic structure. The curvic structures of the mounting surfaces are positioned relative to each other to thereby form a static curvic joint.


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