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:
May. 26, 2020
Filed:
Nov. 17, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Eric A. Hudson, Harwinton, CT (US);
Tracy A. Propheter-Hinckley, Manchester, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); F01D 5/18 (2006.01); F01D 9/06 (2006.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/186 (2013.01); F01D 5/288 (2013.01); F01D 9/065 (2013.01); F02C 3/04 (2013.01); F05D 2250/131 (2013.01); F05D 2250/132 (2013.01); F05D 2260/201 (2013.01); Y02T 50/676 (2013.01);
Abstract
A gas turbine engine component includes a passage and a wall adjacent the passage. The wall includes a first side bordering the passage and a second side opposite the first side. The second side includes an array of cells. The wall also includes an array of channels. Each of the channels is located proximate a corresponding one of the cells. A coating is disposed over the cells. When the coating degrades the channels open to permit impingement air flow through the channel onto sidewalls of the cells.