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:
Mar. 05, 2013

Filed:

Jan. 12, 2012
Applicants:

Nagendra Somanath, Manchester, CT (US);

Keshava B. Kumar, South Windsor, CT (US);

Christopher M. Dye, South Windsor, CT (US);

Inventors:

Nagendra Somanath, Manchester, CT (US);

Keshava B. Kumar, South Windsor, CT (US);

Christopher M. Dye, South Windsor, CT (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for varying the geometry of a mid-turbine frame includes detecting a strain in a mid-turbine frame with a piezoelectric material; applying a deformation voltage to the piezoelectric material as a function of the detected strain; deforming the piezoelectric material to actuate an actuation plate; and repositioning an engine casing through the actuation of the actuation plate.


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