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:
Apr. 26, 2016

Filed:

Aug. 12, 2011
Applicants:

Stanley J. Funk, Southington, CT (US);

Edward F. Pietraszkiewicz, Southington, CT (US);

Inventors:

Stanley J. Funk, Southington, CT (US);

Edward F. Pietraszkiewicz, Southington, CT (US);

Assignee:

United Technologies Corporation, Hartford, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/20 (2006.01);
U.S. Cl.
CPC ...
F01D 5/20 (2013.01); Y10T 29/49336 (2015.01);
Abstract

A method of designing a turbine blade includes the steps of forming at least two notches on a tip of a turbine blade, each of the at least two notches having a known dimension. The turbine blade has a pressure side and a suction side. The method further includes the step of operating a gas turbine engine including the turbine blade to expand a length of the turbine blade such that the tip of the turbine engages a casing. The method further includes the steps of viewing the tip of the turbine blade after the step of operating of the gas turbine engine, determining an appearance of the notches on the tip and determining a manufacturing length of the turbine blade based on the step of determining the appearance the notches.


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