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:
Dec. 04, 2018

Filed:

Oct. 16, 2015
Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

Dmitriy A. Romanov, Wells, ME (US);

Paul M. Lutjen, Kennebunport, ME (US);

Kevin J. Ryan, Alfred, ME (US);

Ken F. Blaney, Middleton, NH (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/08 (2006.01); F01D 25/12 (2006.01); F01D 11/02 (2006.01); F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
F01D 11/08 (2013.01); F01D 11/02 (2013.01); F01D 25/12 (2013.01); F16J 15/44 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2240/55 (2013.01); F05D 2250/314 (2013.01); F05D 2260/20 (2013.01);
Abstract

According to various embodiments, disclosed is a blade outer air seal assembly for a turbine engine comprising a main body portion that extends generally axially, with respect to a central axis of the turbine engine, from a leading edge portion of the main body to a trailing edge portion of the main body, wherein the leading edge portion includes a leading edge wall having a undercut profile along at least a portion of the leading edge wall, wherein the main body portion comprises cooling passages comprising a leading edge cooling passage adjacent to the leading edge wall, having a leading edge periphery on a side of the leading edge cooling passage adjacent to the leading edge wall, which generally conforms to the undercut profile of the leading edge wall.


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