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:
Oct. 31, 2017

Filed:

Mar. 16, 2016
Applicant:

Siemens Aktiengesellschaft, München, DE;

Inventor:

James Edward Ferree, Lawrenceville, GA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/10 (2006.01);
U.S. Cl.
CPC ...
H01H 33/10 (2013.01); H01H 2205/002 (2013.01); H01H 2235/01 (2013.01);
Abstract

A multi-finger circuit breaker includes a moving contact assembly having a carrier body, a first plurality of fixed breaking contacts, a first plurality of movable contacts, a plurality of first fingers, at least one second finger longer in length to a length of a first finger of the plurality of first fingers, a plurality of splitter plates disposed adjacent to the plurality of first fingers and the at least one second finger and a slot motor disposed adjacent to the plurality of first fingers and the at least one second finger. The slot motor is configured to provide a first magnetic field force to amplify a second magnetic field force being applied on the second finger to influence an arc between the first plurality of fixed breaking contacts and the first plurality of movable contacts during a short circuit such that to move the arc away from between the first plurality of fixed breaking contacts and the first plurality of movable contacts and dissipate energy of the arc.


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