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. 01, 2002
Filed:
Nov. 21, 1997
Applicant:
Inventors:
Pascal Houbre, St. Martin D'Heres, FR;
Claude Rubbo, Grenoble, FR;
Assignee:
Schneider Electric SA, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 2/724 ;
U.S. Cl.
CPC ...
H01F 2/724 ;
Abstract
The current transformer comprises a magnetic circuit and a secondary winding. The magnetic circuit is formed by stacked metal plates. Each plate comprises a cut-out without an air-gap. The magnetic circuit comprises a fixed first part enabling the secondary winding to be received and a flexible second part able to be momentarily deformed. The current transformer is advantageously used in protection relays and electronic trip devices of circuit breakers.