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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.:

US 9574459 B1

PDFFull Text
Date of Patent:
Feb. 21, 2017

Filed:

Apr. 02, 2014

Non-contacting seals for geared gas turbine engine bearing compartments

Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

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

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

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:

Carlson, Gaskey & Olds, P.C.

Primary Examiner:

Igor Kershteyn

Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 25/16 (2006.01); F01D 25/18 (2006.01); F16J 15/34 (2006.01); F16J 15/44 (2006.01); F01D 25/22 (2006.01); F02C 7/28 (2006.01); F16C 32/06 (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 7/28 (2013.01); F16C 32/0633 (2013.01); F16J 15/342 (2013.01); F16J 15/3412 (2013.01); F16J 15/441 (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.

Find Patent Forward Citations

Ullah, M.. (2017). Non-contacting seals for geared gas turbine engine bearing compartments (U.S. Patent No. 9574459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9574459

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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