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. 17, 2021
Filed:
Apr. 18, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Michael M. Joly, Hebron, CT (US);
Andrzej Ernest Kuczek, Bristol, CT (US);
Zaffir A. Chaudhry, Glastonbury, CT (US);
Gorazd Medic, West Hartford, CT (US);
Dilip Prasad, North Granby, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/22 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 11/22 (2013.01); F01D 9/047 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2270/102 (2013.01);
Abstract
A gas turbine engine includes a plurality of blades circumferentially spaced from each other. A plurality of rings are spaced radially outward from the plurality of blade. At least one actuator is in mechanical communication with the plurality of rings for moving the plurality of rings in an axial direction to create an axial gap adjacent at least one of the plurality of rings.