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.

Patent No.:

US 8508220 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 13, 2013

Filed:

Feb. 11, 2011
Applicant:

Vladimir Leonov, Oviedo, FL (US);

Inventor:

Vladimir Leonov, Oviedo, FL (US);

Assignee:

Siemens Energy, Inc., Orlando, FL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 7/06 (2006.01); G01R 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and system for evaluating the condition of a laminated core of an electric machine, and including a first yoke wound with a first winding and having a first pair of arms spanning between a first pair of teeth of the laminated core, and a second yoke wound with a second winding and having a second pair of arms spanning between a second pair of teeth. A power supply provides power to an electrical circuit defined by one of the first and second windings to produce a magnetic flux in the yoke corresponding to the one of the first and second windings and defining an excitation yoke. A monitoring module provides a measurement of a characteristic of an electrical circuit defined by the other one of the first and second windings to identify a fault corresponding to an eddy current between individual laminations in the laminated core.


Find Patent Forward Citations

Leonov, Vladimir. (2013). Fault detection for laminated core (U.S. Patent No. 8508220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8508220

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