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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 10852326 B1

PDFFull Text
Date of Patent:
Dec. 01, 2020

Filed:

Aug. 09, 2017

Differential current sensing bussing method

Applicant:

Schneider Electric Usa, Inc., Andover, MA (US);

Inventors:

Dennis W Fleege, Cedar Rapids, IA (US);

Chad Mittelstadt, Cedar Rapids, IA (US);

Randall J Gass, Cedar Rapids, IA (US);

Douglas P Vanwaart, Anamosa, IA (US);

Jason Potratz, Coralville, IA (US);

Assignee:

SCHNEIDER ELECTRIC USA, INC., Andover, MA (US);

Attorney:

Locke Lord LLP

Primary Examiner:

Neel D Shah

Int. Cl.
CPC ...
H02H 3/00 (2006.01); H01H 73/00 (2006.01); G01R 19/00 (2006.01); G01R 19/165 (2006.01); G01R 19/20 (2006.01); H02H 1/00 (2006.01); H01H 83/22 (2006.01); G01R 31/50 (2020.01); G11C 7/06 (2006.01); H03F 3/45 (2006.01); H02H 3/16 (2006.01); H01H 83/20 (2006.01); H01H 83/14 (2006.01); H02H 3/10 (2006.01); H02H 3/08 (2006.01); H02H 3/33 (2006.01);
U.S. Cl.
CPC ...
G01R 19/16571 (2013.01); G01R 19/0038 (2013.01); G01R 19/16514 (2013.01); G01R 19/20 (2013.01); G01R 31/50 (2020.01); G11C 7/062 (2013.01); H01H 83/226 (2013.01); H02H 1/0015 (2013.01); H03F 3/45183 (2013.01); H03F 3/45237 (2013.01); H01H 2083/146 (2013.01); H01H 2083/148 (2013.01); H01H 2083/201 (2013.01); H02H 3/08 (2013.01); H02H 3/105 (2013.01); H02H 3/16 (2013.01); H02H 3/33 (2013.01);
Abstract

The line power and neutral conductors for a circuit interrupter such as a miniature circuit breaker, using ground fault sensing via a current transformer, are arranged as a rigid conductor formed from a flat plate and surrounding and holding an insulated flexible conductor when passing through the Ground Fault Interrupter current transformer. The rigid conductor can provide a shaped current path to maximize the effectiveness of the current transformer.

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