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:
May. 15, 2018

Filed:

Feb. 12, 2015
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Stephen Michael Bortoli, Roscoe, IL (US);

David Everett Russ, Rockford, IL (US);

Timothy Scott Konicek, Rockford, IL (US);

Assignee:

HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16H 57/029 (2012.01); F16J 15/3204 (2016.01); C22C 38/40 (2006.01); C22C 38/06 (2006.01); F16H 57/038 (2012.01); B64D 41/00 (2006.01);
U.S. Cl.
CPC ...
F16H 57/029 (2013.01); C22C 38/06 (2013.01); C22C 38/40 (2013.01); F16H 57/038 (2013.01); F16J 15/3204 (2013.01); B64D 41/007 (2013.01);
Abstract

Described herein is a system for increasing the robustness of a sealing surface and eliminating an expensive plating operation. The system includes an axially rotatable object comprising a first material that is subject to corrosion. The system also includes a radial shaft seal positioned radially outward from the axially rotatable object. The system also includes a sleeve coupled to the axially rotatable object, positioned between the axially rotatable object and the radial shaft seal and comprising a second material that is corrosion resistant.


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