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:
Jul. 20, 2004
Filed:
Aug. 28, 2001
Applicant:
Inventor:
Michel Cantagrel, Houilles, FR;
Assignee:
CITEL, Issy-Es-Moulineaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 1/00 ;
U.S. Cl.
CPC ...
H02H 1/00 ;
Abstract
Overvoltage-protection device, applicable in particular to the low-voltage mains, comprising, between the two lines ( ) of the mains, a gas-discharge arrestor ( ), a varistor ( ) and a thermal-fuse element ( ) task with ensuring the thermal disconnection of the device . It includes, in parallel with the varistor ( ), a resistor ( ) causing, after the short-circuiting of the gas-discharge arrestor ( ), the heating of the thermal-fuse element ( ) so as to trigger the thermal disconnection of the device.