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:
Apr. 24, 2018
Filed:
Feb. 06, 2014
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventor:
Brian Duguay, Berwick, ME (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/22 (2006.01); F01D 11/14 (2006.01); F01D 11/16 (2006.01); F01D 11/20 (2006.01); F01D 25/24 (2006.01); F02C 7/28 (2006.01);
U.S. Cl.
CPC ...
F01D 11/22 (2013.01); F01D 11/14 (2013.01); F01D 11/16 (2013.01); F01D 11/20 (2013.01); F01D 25/24 (2013.01); F02C 7/28 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01); F05D 2270/01 (2013.01);
Abstract
An active clearance control system of a gas turbine engine includes an actuation cylinder, a puller engaged with an air seal segment and damped with respect to the actuation cylinder, and a full-hoop thermal control ring that at least partially supports the air seal segment. The puller may move the air seal segment between an extended radially contracted BOAS position and a retracted radially expanded BOAS position.