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:
Nov. 17, 2020
Filed:
Jan. 08, 2019
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Jorn Axel Glahn, Manchester, CT (US);
Taryn Narrow, Glastonbury, CT (US);
Anthony Spagnoletti, Newington, CT (US);
Francis Parnin, Suffield, CT (US);
Justin W. Heiss, Glastonbury, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/18 (2006.01); F01D 25/16 (2006.01);
U.S. Cl.
CPC ...
F01D 25/183 (2013.01); F01D 25/162 (2013.01); F05D 2240/50 (2013.01); F05D 2240/55 (2013.01); F05D 2260/98 (2013.01);
Abstract
This disclosure relates to a buffer system for a gas turbine engine. An exemplary gas turbine engine includes, among other features, a buffer manifold in an intershaft region. The buffer manifold is configured to direct a flow of air between a first air seal and a first oil seal, and to direct another flow of air between a second air seal and a second oil seal.