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:
Nov. 17, 1981
Filed:
May. 08, 1979
Applicant:
Inventor:
Michel Masselin, Velizy Villacoublay, FR;
Assignee:
Alsthom-Atlantique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 82 ; 357 79 ; 357 81 ; 357 68 ;
Abstract
A circuit allowing the bulk to be reduced and the maintenance of the device to be improved. It includes two end plates connected together by a welded shaft and a plurality of columns of semiconductors which can be clamped independently, one of the plates being used for clamping and the other plate being used as a cover for the casing which contains the circuit. Application to supplying electric motors for railways.