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:
Jan. 01, 2019
Filed:
Mar. 15, 2013
United Technologies Corporation, Hartford, CT (US);
Masayoshi Sonokawa, West Hartford, CT (US);
Russell B. Witlicki, Wethersfield, CT (US);
Christopher J. Larson, Newfield, ME (US);
Robert C. Stutz, Dobbs Ferry, NY (US);
Eric Charles Mundell, South Berwick, ME (US);
Marc J. Muldoon, Marlborough, CT (US);
UNITED TECHNOLOGIES CORPORATION, Hartford, CT (US);
Abstract
A seal support and duct assembly of a gas turbine engine includes a seal support housing disposed about a central axis, a duct housing attached to the seal support housing, the duct housing and the seal support housing defining the seal support and duct assembly, an outer annular cavity, an inlet that supplies the outer annular cavity with cooling buffer air, an inner annular cavity disposed radially inward of the outer annular cavity, a first plurality of outlets that provide the cooling buffer air from the outer annular cavity to the inner annular cavity, and a second plurality of outlets that provide the cooling buffer air from the inner annular cavity to an area surrounding a bearing compartment.