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:
Jul. 15, 2025
Filed:
Mar. 28, 2022
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Jacob Peter Mastro, Glastonbury, CT (US);
Kyle L. Forgette, West Hartford, CT (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/28 (2006.01); F01D 11/00 (2006.01); F01D 25/16 (2006.01); F02C 7/06 (2006.01); F04D 29/056 (2006.01);
U.S. Cl.
CPC ...
F02C 7/28 (2013.01); F01D 11/003 (2013.01); F01D 25/16 (2013.01); F02C 7/06 (2013.01); F04D 29/056 (2013.01); F05D 2240/50 (2013.01); F05D 2240/56 (2013.01); F05D 2240/60 (2013.01); F05D 2260/30 (2013.01);
Abstract
A gas turbine engine includes, among other things, a bearing compartment, a shaft configured to rotate during operation of the gas turbine engine, and a sleeve configured to rotate with the shaft during operation of the gas turbine engine. The sleeve includes a variable radial dimension about a circumference of the sleeve. The engine further includes a seal statically mounted relative to the sleeve and configured to cooperate with the sleeve to seal the bearing compartment.