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.:
Date of Patent:
Dec. 03, 2019
Filed:
Jun. 01, 2017
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventor:
James Edward Ferree, Lawrenceville, GA (US);
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 1/22 (2006.01); H01H 73/04 (2006.01);
U.S. Cl.
CPC ...
H01H 73/04 (2013.01); H01H 1/226 (2013.01);
Abstract
A multi-finger electrical contact assembly having unequal electrical resistance in current paths through each finger providing relatively high current withstand capability. The multi-finger electrical contact assembly includes three or more fingers each with a coupled conductor, wherein one or more outer fingers and coupled conductor of the assembly have greater electrical resistance than an inner finger and coupled conductor. Multi-phase circuit breakers including the multi-finger electrical contact assembly and methods are provided, as are other aspects.