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:
Aug. 09, 2016

Filed:

Nov. 26, 2013
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Thomas Earnest Moldenhauer, Burnt Hills, NY (US);

Thomas James Batzinger, Burnt Hills, NY (US);

Francis Alexander Reed, Duanesburg, NY (US);

Michael Charles Freda, Long Beach Township, NJ (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/34 (2006.01);
U.S. Cl.
CPC ...
G01R 31/346 (2013.01); F03D 17/00 (2016.05); G01R 31/343 (2013.01); Y02E 10/722 (2013.01);
Abstract

A method for inspecting a wye ring in a generator includes the steps of dismantling the generator to gain access to the wye ring and at least a portion of a rotor, applying a test signal to the rotor and measuring an inductive voltage at two or more locations near the wye ring. A comparing step compares results from the measuring step to determine if a fault exists in the wye ring. A predetermined difference in inductive voltage measurements indicates presence of the fault.


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