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:
Apr. 16, 2019
Filed:
Dec. 07, 2015
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Matthew Allen Slayter, Rockford, IL (US);
Michael R. Blewett, Stillman Valley, IL (US);
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/027 (2012.01); F16H 57/04 (2010.01); F01D 25/18 (2006.01); F02C 7/32 (2006.01); F16N 7/36 (2006.01);
U.S. Cl.
CPC ...
F16H 57/027 (2013.01); F01D 25/18 (2013.01); F02C 7/32 (2013.01); F16H 57/043 (2013.01); F16H 57/0431 (2013.01); F16H 57/0434 (2013.01); F16H 57/0456 (2013.01); F16N 7/363 (2013.01); F05D 2260/608 (2013.01);
Abstract
A gearbox assembly includes an outer housing and a gear box shaft at least partially disposed in the outer housing. The gear box shaft includes an interior region and a reservoir dam that separates the interior region into a reservoir volume and a spline volume. The reservoir dam has a vent hole formed therein that passes through it such that a surface of the dam is in fluid communication with a region defined by the outer housing and outside of the gear box shaft.