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:
Apr. 16, 2002
Filed:
Feb. 22, 2001
Applicant:
Inventors:
Jean-Marie Arrouy, Bours, FR;
Alain Gibert, Aubertin, FR;
Jean Paillol, Billere, FR;
Victor Sabate, Ezanville, FR;
Assignee:
Alstom, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 1/00 ;
U.S. Cl.
CPC ...
B60L 1/00 ;
Abstract
An electrical power supply unit powers a load, in particular a transformer ( ), from a power source ( ) via electrical switchgear ( ), in particular a circuit-breaker, and it includes an interference attenuator ( ) of the ferrite type for attenuating interference due to switching. The attenuator ( ) is placed between the power source ( ) and the electrical switchgear ( ), thereby contributing to reducing the extent of the interference significantly.