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:
Dec. 27, 2022

Filed:

Jun. 28, 2019
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Matthew Allen Slayter, Rockford, IL (US);

Richard Alan Davis, Stillman Valley, IL (US);

Paul F. Fox, Loves Park, IL (US);

Jeffrey Todd Roberts, Winnebago, IL (US);

Jeff A. Brown, Cherry Valley, IL (US);

James Vandung Nguyen, Rockford, IL (US);

Benjamin T. Harder, DeKalb, IL (US);

Dwayne Leon Wilson, Rockford, IL (US);

Brian McMasters, Caledonia, IL (US);

Daniel Richard Walker, Rockford, IL (US);

Assignee:

HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 15/14 (2006.01); F02C 7/268 (2006.01); F01D 25/36 (2006.01); F02C 7/32 (2006.01); F01D 15/12 (2006.01);
U.S. Cl.
CPC ...
F02C 7/268 (2013.01); B23P 15/14 (2013.01); F01D 15/12 (2013.01); F01D 25/36 (2013.01); F02C 7/32 (2013.01); F05D 2220/32 (2013.01); F05D 2230/60 (2013.01); F05D 2260/311 (2013.01); F05D 2260/85 (2013.01);
Abstract

A method of manufacturing a motoring system for a gas turbine having the steps of: assembling a pinned mechanical fuse, the pinned mechanical fuse including at least one shear pin; forming an outer housing; installing a reduction gear train into the outer housing, the reduction gear train having an input and an output; operably connecting a motor to the input; operably connecting a clutch to the output using the pinned mechanical fuse, the clutch in operation engages and disengages the reduction gear train; operably connecting a starter to the clutch, the starter having an output shaft; and operably connecting an accessory gearbox to the output shaft of the starter. The clutch is operably connected to the accessory gearbox through the starter and the output shaft. The at least one shear pin in operation shears when torque on the pinned mechanical fuse is greater than or equal to a selected value.


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