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. 31, 1984
Filed:
Jan. 13, 1982
Applicant:
Inventor:
Michel Sirel, Paris, FR;
Assignee:
Les Cables De Lyon, Clichy, FR;
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 56 ; 361 91 ; 361110 ; 361111 ; 361119 ;
Abstract
An apparatus for protecting a low-tension electric line (31) against disturbances with very steep slopes, said apparatus having a box (9) with a plurality of compartments (10, 15, 22, 26) in series which is equipped with limiter units such as dischargers and is disposed upstream from the line which is to be protected. It includes upstream from the box an electric conductor (3) of appreciable length surrounded by a metal tube (4) which is closed at its ends by insulating windows (5, 6) and separated from said metal tube by a solid or gaseous insulant (7). Application to the protection of electric power lines against disturbances due to powerful nuclear explosions.