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. 09, 2022
Filed:
Jan. 12, 2021
Raytheon Technologies Corporation, Farmington, CT (US);
Jeffrey J. Lienau, Wethersfield, CT (US);
Robert Newman, Harwinton, CT (US);
Conway Chuong, Manchester, CT (US);
Kristin Kopp-Vaughan, East Hartford, CT (US);
Senthil Prasad Mathiyalagan, Puddukottai, IN;
Krishna Nelanti, Nalgonda, IN;
Rajendra Prasad Uppara Allabanda, East Hartford, CT (US);
Abstract
An air seal assembly for a gas turbine includes a flow path platform. The air seal assembly further includes a casing disposed radially outside the flow path platform. The air seal assembly further includes an annular finger seal mounted to the casing and disposed between the flow path platform and the casing. The annular finger seal includes a first circumferential portion mounted to the casing, a second circumferential portion extending from the first circumferential portion, and a third circumferential portion extending from the second circumferential portion and contacting an outer surface of the flow path platform. The third circumferential portion includes a plurality of air cooling holes configured to direct a cooling air stream onto the flow path platform.