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:
Oct. 27, 2020
Filed:
Oct. 04, 2018
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventor:
Joseph T. Caprario, Cromwell, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 9/18 (2006.01); F01D 3/00 (2006.01); F01D 5/08 (2006.01); F01D 11/02 (2006.01); F02C 7/28 (2006.01); F16J 15/44 (2006.01); F02C 7/12 (2006.01);
U.S. Cl.
CPC ...
F02C 9/18 (2013.01); F01D 3/00 (2013.01); F01D 5/081 (2013.01); F01D 11/025 (2013.01); F02C 7/12 (2013.01); F02C 7/28 (2013.01); F16J 15/441 (2013.01); F05D 2240/55 (2013.01); F05D 2260/15 (2013.01); Y10T 29/49229 (2015.01);
Abstract
A gas turbine engine includes a first non-contacting dynamic rotor seal interfaced with a spool, the first non-contacting dynamic seal operates to seal adjacent to an outer diameter and a second non-contacting dynamic rotor seal with respect to the spool, the second non-contacting dynamic seal operates to seal adjacent to an inner diameter. A method of controlling a net thrust load on a thrust bearing of a gas turbine engine spool is also disclosed.