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. 05, 2022
Filed:
Dec. 05, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Enzo DiBenedetto, Berlin, CT (US);
Paul E. Coderre, East Hampton, CT (US);
Horacio Antonio Altagracia, Isabela, PR (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/24 (2006.01); F01D 25/12 (2006.01); F04D 29/52 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
F01D 11/24 (2013.01); F01D 25/12 (2013.01); F04D 29/526 (2013.01); F04D 29/542 (2013.01); F05D 2220/323 (2013.01); F05D 2240/35 (2013.01); F05D 2260/20 (2013.01); F05D 2270/303 (2013.01); F05D 2270/3062 (2013.01);
Abstract
A compressor case to blade tip clearance system comprising a rotor having blades with tips, the case including an inner case comprising at least one surface feature fluidly coupled to a distribution manifold disposed in a cooling air passageway, the at least one surface feature configured to interact with the cooling air, and a tip clearance located between the tips and the inner case; wherein the tip clearance is maintained responsive to a flow of the cooling air over the at least one surface feature.