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:
Sep. 28, 2021

Filed:

Feb. 02, 2018
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Gregory Terrence Garay, West Chester, OH (US);

Meredith Dubelman, Liberty Township, OH (US);

Xi Yang, Mason, OH (US);

Tingfan Pang, West Chester, OH (US);

Michael Scott Cole, Dayton, OH (US);

Brian David Przeslawski, Liberty Township, OH (US);

Douglas Gerard Konitzer, West Chester, OH (US);

Nicole Barba, Cincinnati, OH (US);

Kirk Gallier, Cincinnati, OH (US);

Brian Keith, Cincinnati, OH (US);

Assignee:

GENERAL ELECTRIC COMPANY, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/22 (2006.01); B22D 29/00 (2006.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); F01D 5/18 (2006.01); F01D 9/02 (2006.01); B33Y 80/00 (2015.01); C30B 29/02 (2006.01);
U.S. Cl.
CPC ...
B22C 9/22 (2013.01); B22D 29/002 (2013.01); B28B 1/001 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F01D 5/18 (2013.01); F01D 9/02 (2013.01); C30B 29/02 (2013.01); F05D 2220/32 (2013.01); F05D 2300/10 (2013.01);
Abstract

Integrated core-shell investment casting molds that provide tongue or groove structures corresponding, respectively, to groove or tongue structures in the surface of the turbine blade or stator vane, including in locations that are otherwise inaccessible provide a pathway to restrict cooling flow between turbine blades to the flowpath.


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