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:
Mar. 03, 2020

Filed:

Nov. 30, 2016
Applicants:

Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);

Rolls-royce High Temperature Composites Inc., Cypress, CA (US);

Inventors:

Daniel K. Vetters, Indianapolis, IN (US);

Ted J. Freeman, Danville, IN (US);

Andrew J. Lazur, Huntington Beach, CA (US);

Robert J. Shinavski, Mission Viejo, CA (US);

Wayne S. Steffier, Huntington Beach, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); F01D 25/24 (2006.01); F01D 5/28 (2006.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/3015 (2013.01); F01D 5/282 (2013.01); F01D 5/3007 (2013.01); F01D 25/246 (2013.01); F02C 3/04 (2013.01); F05D 2220/32 (2013.01); F05D 2230/237 (2013.01); F05D 2240/11 (2013.01); F05D 2250/185 (2013.01); F05D 2250/71 (2013.01); F05D 2300/6033 (2013.01); Y02T 50/672 (2013.01);
Abstract

A gas turbine engine includes a turbine having turbine blades and a shroud having a blade track for positioning radially outside of the blades. At least one of the blades and the blade track are secured in place using a dovetail connection between a dovetail receiver and a dovetail assembly formed to include a contoured root.


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