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:
Jul. 26, 2022

Filed:

Feb. 14, 2020
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Craig J. Wojcik, Evansville, WI (US);

Ted A. Martin, Winnebago, IL (US);

Duane C. Johnson, Beloit, WI (US);

Assignee:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16C 1/24 (2006.01); F16C 1/02 (2006.01); F16H 57/00 (2012.01);
U.S. Cl.
CPC ...
F16C 1/24 (2013.01); F16C 1/02 (2013.01); F16H 57/0025 (2013.01); F16H 57/043 (2013.01);
Abstract

An input shaft includes an annular main shaft extending along a longitudinal axis with an internal bore configured for fluid flow through the annular main shaft. A generator spline is included on an exterior surface of a first end of the main shaft. A gearbox spline is included on an exterior surface of a second end of the main shaft opposite the first end. At least one orifice is defined through the main shaft from the internal bore to the exterior surface of the second end of the main shaft for flow of fluid from the internal bore to the exterior surface for cooling and lubrication.


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