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:
Feb. 06, 2024
Filed:
Apr. 06, 2022
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Liam P. Sullivan, Northborough, MA (US);
Nicholas J. Lawliss, West Hartford, CT (US);
Xuejun Liu, Avon, CT (US);
John P. Virtue, Jr., Middletown, CT (US);
Kalpendu J. Parekh, Brookline, MA (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16J 9/20 (2006.01); F02C 7/28 (2006.01);
U.S. Cl.
CPC ...
F16J 9/20 (2013.01); F01D 11/00 (2013.01); F01D 11/003 (2013.01); F01D 11/005 (2013.01); F02C 7/28 (2013.01); F05D 2220/32 (2013.01); F05D 2240/58 (2013.01);
Abstract
A split ring seal has: a first circumferential end and a second circumferential end; an inner diameter surface and an outer diameter surface; a first axial end face and a second axial end face. A circumferentially distributed first plurality of open channels are along the first axial end face. A circumferentially distributed second plurality of open channels are along the second axial end face.