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:
Aug. 22, 2023
Filed:
Dec. 17, 2021
Applicants:
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce High Temperature Composites Inc., Cypress, CA (US);
Inventors:
Ted J. Freeman, Danville, IN (US);
Jeremy Roehm, Plainfield, IN (US);
Assignees:
Rolls-Royce Corporation, Indianapolis, IN (US);
Rollos-Royce High Temperature Composites Inc., Cypress, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01); F01D 25/00 (2006.01); F01D 25/28 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F01D 25/005 (2013.01); F01D 25/24 (2013.01); F01D 25/28 (2013.01); F05D 2240/11 (2013.01); F05D 2250/75 (2013.01); F05D 2260/30 (2013.01); F05D 2300/6033 (2013.01); F05D 2300/6111 (2013.01);
Abstract
A turbine shroud segment for use in a gas turbine engine includes a ceramic shroud segment formed to define a circumferentially extending channel that opens radially inwardly and a layer of abradable material that extends axially along a radial inner surface of the ceramic shroud segment to provide a flow path surface of the turbine shroud segment.