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:
Apr. 13, 2021

Filed:

Feb. 07, 2019
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Yiwei Jiang, Rockford, IL (US);

James Vandung Nguyen, Rockford, IL (US);

Edward W. Goy, Crystal Lake, IL (US);

Assignee:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/27 (2006.01); F16H 57/08 (2006.01); F02C 7/277 (2006.01); F16D 1/076 (2006.01); F16D 1/10 (2006.01);
U.S. Cl.
CPC ...
F02C 7/27 (2013.01); F02C 7/277 (2013.01); F16D 1/076 (2013.01); F16D 1/10 (2013.01); F16H 57/08 (2013.01);
Abstract

A starter for a gas turbine engine includes a rotor shaft rotatable about an axis and includes an inner bore extending from an axial end of the rotor shaft with respect to the axis. A sun gear is on the rotor shaft. A lock nut is received against an axial end face of the sun gear and threadedly engaged with an outer diameter of the rotor shaft. A retainer is positioned to bias the nut against the axial end face and includes a projection portion threadedly engaged with the rotor shaft in the inner bore. A bolt through the projection portion is threadedly engaged with the rotor shaft.


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