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:
Jul. 14, 2020

Filed:

Mar. 31, 2016
Applicant:

Siemens Aktiengesellschaft, München, DE;

Inventors:

Jan H. Marsh, Orlando, FL (US);

Paul A. Sanders, Charlotte, NC (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/188 (2013.01); F01D 5/186 (2013.01); F01D 9/041 (2013.01); F05D 2220/32 (2013.01); F05D 2240/127 (2013.01); F05D 2250/183 (2013.01); F05D 2250/185 (2013.01); F05D 2260/202 (2013.01); F05D 2260/2212 (2013.01);
Abstract

A turbine airfoil () includes a flow blocking body () positioned an internal cavity (). A first near-wall cooling channel () is defined between the flow blocking body () and an airfoil pressure sidewall (). A second near-wall cooling channel () is defined between the flow blocking body () and an airfoil suction sidewall (). A connecting channel () is defined between the flow blocking body () an internal partition wall () that connects the airfoil pressure () and suction () sidewalls. The connecting channel () is connected to the first () and second () near-wall cooling channels along a radial extent. Turbulating features (-) are located in the connecting channel () and are formed on the flow blocking body () and/or on the partition wall (). The turbulating features (-) are effective to produce a higher coolant flow rate through the first () and second () near-wall cooling channels in comparison to the connecting channel ().


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