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:
Mar. 05, 2019
Filed:
May. 26, 2015
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Rolls-royce High Temperature Composites Inc., Huntington Beach, CA (US);
Daniel Kent Vetters, Indianapolis, IN (US);
David J. Thomas, Brownsburg, IN (US);
Ted Freeman, Danville, IN (US);
Joseph Lamusga, Long Beach, CA (US);
Rick Uskert, Monkton, MD (US);
ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);
ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC., Indianapolis, IN (US);
ROLLS-ROYCE HIGH TEMPERATURE COMPOSITES INC., Huntington Beach, CA (US);
Abstract
A cartridge for a ceramic matrix composite (CMC) seal segment of a segmented turbine shroud of a gas turbine engine is provided. The cartridge comprises a carrier segment and a CMC seal segment. A surface of the carrier segment and a surface of the CMC seal segment form a mating region proximate the entire perimeter of the CMC seal segment. The carrier segment surface may comprise a channel, and a compressible mating element may be disposed within the channel. Air may be supplied to a cavity, formed by the carrier and CMC seal segment, and the mating region.