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:
Jul. 21, 2020
Filed:
Aug. 29, 2016
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventor:
Bruce D. Hansen, Shelton, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2014.01); B23K 26/08 (2014.01); B23K 26/356 (2014.01); B23P 9/00 (2006.01); C21D 10/00 (2006.01); B23P 9/04 (2006.01); C21D 9/32 (2006.01); B23K 101/00 (2006.01); F16H 57/038 (2012.01); B64C 27/12 (2006.01); F16H 55/06 (2006.01);
U.S. Cl.
CPC ...
B23K 26/0823 (2013.01); B23K 26/356 (2015.10); B23P 9/00 (2013.01); B23P 9/04 (2013.01); C21D 9/32 (2013.01); C21D 10/005 (2013.01); B23K 2101/008 (2018.08); B64C 27/12 (2013.01); F16H 55/06 (2013.01); F16H 57/038 (2013.01);
Abstract
A gearbox is provided having a housing, a gear having a plurality of teeth operationally configured within the housing, and a laser peening device located within the housing and configured to perform active laser peening on a predetermined surface of the gear while the gear is rotated within the housing. A method of maintaining compressive residual stresses in a gear is provided, the method including operating a gearbox to rotate a gear within the gearbox and laser peening a predetermined surface of the gear with a laser peening device located within the gearbox.