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:
Feb. 01, 2022
Filed:
Aug. 29, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Thomas J. Robertson, Glastonbury, CT (US);
Mark W. Costa, Storrs, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/64 (2006.01); F01D 25/24 (2006.01); F01D 9/04 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 29/644 (2013.01); F01D 9/042 (2013.01); F01D 25/243 (2013.01); F01D 25/246 (2013.01); F04D 29/522 (2013.01); F05D 2220/32 (2013.01); F05D 2230/23 (2013.01); F05D 2230/30 (2013.01); F05D 2230/41 (2013.01); F05D 2230/60 (2013.01); F05D 2260/31 (2013.01); Y02T 50/60 (2013.01);
Abstract
In a fan case having an annular outer wall with a plurality of fan case bolt holes there through, bushings are inserted into the fan case bolt hole and are dimensioned to define an annular gap between the bolt hole inner surface and the bushing outer surface. An adhesive material disposed within each annular gap between the bushing and the corresponding fan case bolt hole, with the adhesive material forming a liquid shim separating the bushing outer surface from the bolt hole inner surface.