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:
Jun. 28, 2022
Filed:
Jul. 22, 2020
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventor:
Nigel David Sawyers-Abbott, South Glastonbury, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/12 (2006.01); F01D 11/00 (2006.01); F16J 15/324 (2016.01);
U.S. Cl.
CPC ...
F01D 11/003 (2013.01); F01D 25/12 (2013.01); F16J 15/324 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01); F05D 2260/20 (2013.01);
Abstract
A gas turbine engine component includes a first member, a second member rotatable relative to the first member about an axis, and a seal assembly that includes a seal supported by the first member and a seal runner that rotates with the second member relative to the seal. The seal runner includes at least one internal passage to direct cooling fluid flow through the seal runner. A restriction is associated with the at least one internal passage to restrict flow through the at least one internal passage in response to an engine condition.