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:
May. 14, 2002
Filed:
Mar. 02, 2000
Applicant:
Inventors:
John J. Shea, Pittsburgh, PA (US);
William K. Hanna, Pittsburgh, PA (US);
Assignee:
Eaton Corproation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 8/506 ; H01H 8/5143 ; H01C 8/04 ;
U.S. Cl.
CPC ...
H01H 8/506 ; H01H 8/5143 ; H01C 8/04 ;
Abstract
Conductive polymer current-limiting fuses. when connected in series with conventional mechanical circuit breakers, exhibit extremely low let-through values. Particularly, conductive polymer current-limiting fuses based on conductive elastomeric material are disclosed which exhibit extremely low let-through values, namely less than 5,000 A s with a switch current of 1.79 kA , preferably less than 2,500 A s, most preferably no more than 2,250 A s.