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. 17, 1996
Filed:
Jan. 10, 1995
Applicant:
Inventors:
Gilles Baurand, Montesson La Borde, FR;
Antoine Stentz, Rueil Malmaison, FR;
Assignee:
Schneider Electric SA, Boulogne-Billancourt, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361103 ; 361 25 ;
Abstract
This invention concerns an electronic thermal protection device adapted to interrupt the power supply on a multiphase line comprising a temperature detector including a resistive element thermally coupled to a temperature sensor that is connected to a digital processing circuit adapted to outputt a control order as a function of the overload detected by the temperature sensor. The temperature detector resistive element is connected to various rectifiers, each powered by a current transformer installed on one line wire such that the sum of the currents delivered by the rectifiers flows in the resistive element.