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:
Sep. 24, 2019
Filed:
Jul. 05, 2016
Hamilton Sundstrand Corporation, Charlotte, NC (US);
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);
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A motoring system for a gas turbine engine having: a reduction gear train having an input and output; a motor operably connected to the input; a clutch operably connected to the output, the clutch in operation engages and disengages the reduction gear train; and a pinned mechanical fuse operably connecting the output to the clutch, the pinned mechanical fuse having at least one shear pin. The pinned mechanical fuse having: an outer sleeve having a first section, second section, inner chamber, outer wall, and at least one through hole connecting the inner chamber to the outer wall within the first section; and an inner sleeve having a first portion, second portion, outer surface, and at least one blind hole located in the outer surface within the second portion. The second portion being located within the inner chamber and operably connected to the outer sleeve through at least one shear pin.