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:
Aug. 26, 1980
Filed:
Mar. 05, 1979
Applicant:
Inventors:
Pierre Batteux, Vizille, FR;
Robert Morel, Eybens, FR;
Assignee:
Merlin Gerin, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
335 16 ; 335195 ;
Abstract
A circuit breaker having a magnetic device energized by the current flowing through the circuit breaker to drive a contact arm to an open position at high speed to provide current limiting upon occurrence of a predetermined overcurrent condition. The magnetic device comprises a saturable magnetic shunt path, the iron of which saturates above said predetermined overcurrent condition, to energize the magnetic device and to cause a straightforward opening of the contacts.