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:
Sep. 07, 2021
Filed:
May. 14, 2018
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Neil Terwilliger, Meriden, CT (US);
Christopher J. Hanlon, Sturbridge, MA (US);
Patrick D Couture, Tolland, CT (US);
Coy Bruce Wood, Ellington, CT (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/24 (2006.01); F01D 25/10 (2006.01); F01D 11/18 (2006.01);
U.S. Cl.
CPC ...
F01D 11/24 (2013.01); F01D 11/18 (2013.01); F01D 25/10 (2013.01); F05D 2240/24 (2013.01); F05D 2240/55 (2013.01); F05D 2260/201 (2013.01); F05D 2270/62 (2013.01);
Abstract
A clearance control system for a gas turbine engine may comprise a rotor blade, an outer structure disposed radially outward from the rotor blade, and a heating element configured to cause the outer structure to be heated in response to electric current being supplied to the heating element, wherein a gap between the rotor blade and the outer structure is at least one of increased, decreased, and maintained in response to the outer structure being heated.