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. 02, 2019

Filed:

Oct. 20, 2016
Applicant:

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Matthew J. Kappes, Greenwood, IN (US);

Erin M. Romanowski, Avon, IN (US);

Dennes K. Burney, Indiananpolis, IN (US);

Assignee:

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/24 (2006.01); F01D 25/00 (2006.01); F01D 21/04 (2006.01);
U.S. Cl.
CPC ...
F01D 25/243 (2013.01); F01D 21/045 (2013.01); F01D 25/005 (2013.01); F05D 2220/32 (2013.01); F05D 2260/31 (2013.01);
Abstract

According to one aspect, a flange fastening assembly for a gas turbine engine includes a first flange having a first hole therein, a second flange having a second hole disposed adjacent to the first flange, and a shoulder bolt disposed through the first hole and the second hole. The shoulder bolt has a head portion, a stem portion, and a thread portion, and the stem portion and the thread portion define a shoulder. A bolt nut is disposed on the thread portion and a first spacer is disposed between the bolt nut and the first flange such that the first spacer overhangs the shoulder.


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