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.

Date of Patent:
Oct. 15, 2019

Filed:

Mar. 10, 2017
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

M. Rifat Ullah, South Windsor, CT (US);

Robert E. Peters, Portland, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/18 (2006.01); F01D 11/02 (2006.01); F01D 25/16 (2006.01); F01D 25/22 (2006.01); F02C 7/28 (2006.01); F16C 32/06 (2006.01); F16J 15/34 (2006.01); F16J 15/44 (2006.01); F16C 33/72 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F01D 25/186 (2013.01); F01D 11/02 (2013.01); F01D 25/166 (2013.01); F01D 25/168 (2013.01); F01D 25/22 (2013.01); F02C 7/06 (2013.01); F02C 7/28 (2013.01); F16C 32/0633 (2013.01); F16C 33/72 (2013.01); F16J 15/342 (2013.01); F16J 15/3412 (2013.01); F16J 15/441 (2013.01); F05D 2220/32 (2013.01); F05D 2240/50 (2013.01); F16C 2360/23 (2013.01); Y02T 50/671 (2013.01);
Abstract

A gas turbine engine includes a fan, a compressor section, a combustor, and a turbine section. The engine also includes a rotating element and at least one bearing compartment including a bearing for supporting the rotating element, a seal for resisting leakage of lubricant outwardly of the bearing compartment and for allowing pressurized air to flow from a chamber adjacent the seal into the bearing compartment. A method and section for a gas turbine engine are also disclosed.


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