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:
Jan. 13, 2015
Filed:
Jul. 17, 2012
Applicants:
John Franklin Kral, Plainfield, IL (US);
Sidarta Fornari Beltramin, Curitiba, BR;
Inventors:
John Franklin Kral, Plainfield, IL (US);
Sidarta Fornari Beltramin, Curitiba, BR;
Assignee:
Progress Rail Services Corp, Albertville, AL (US);
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/30 (2006.01); H01H 9/44 (2006.01); H01H 9/34 (2006.01);
U.S. Cl.
CPC ...
H01H 9/44 (2013.01); H01H 9/345 (2013.01);
Abstract
A method of manufacturing a power contactor from an existing contactor having a magnetic amplifier that comprises a blowout coil and a ferromagnetic core, and an arc chute for extinguishing an arc generated by opening the existing contactor under a current load is disclosed. The method includes removing a bolt assembly from the existing contactor and at least one side plate from the existing contactor. The method also includes removing the ferromagnetic core from the existing contactor.