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. 25, 2025
Filed:
Nov. 10, 2023
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Pieter Van Lieu, Cheshire, CT (US);
Calvin Jay Winder, Cromwell, CT (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F01D 5/06 (2006.01); F16J 1/00 (2006.01); F16J 15/00 (2006.01);
U.S. Cl.
CPC ...
F01D 11/005 (2013.01); F01D 5/066 (2013.01); F16J 1/00 (2013.01); F16J 15/00 (2013.01); F05D 2220/3219 (2013.01); F05D 2240/58 (2013.01);
Abstract
A gas turbine engine is provided and includes a first rotor element defining a groove, a second rotor element disposed to rotate about the first rotor element and a piston seal ring (PSR) disposed in the groove to form a seal between the first rotor element and the second rotor element. The second rotor element is formed to define bypass flow channels about the PSR that extend between opposite axial sides of the PSR.