Patents by Inventor Serge Donnet

Serge Donnet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5898582
    Abstract: The present invention relates to a stack device comprising a stack of gate turnoff thyristors GTO, of freewheel diodes DRL, and of diodes D, for a semiconductor circuit, said stack device including power supply electrical connection terminals +HT and -HT, and an output terminal PM, together with electrical connection terminals Cs and Cc between said diodes Ds and Dc and a protection circuit P, wherein the geometrical organization of the wiring of said electrical connection terminals +HT, PM, and -HT is predetermined so as to enable the disposition of said thyristors GTO and of said freewheel diodes in said stack to be modified in order to obtain different electrical functions for the semiconductor circuit.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: April 27, 1999
    Assignee: GEC Alsthom Transport SA
    Inventors: Philippe Denis, Serge Donnet
  • Patent number: 5883431
    Abstract: A device with power semiconductor components includes, in combination: a stack alternately comprising at least one power semiconductor component and at least one heatsink to dissipate heat and to provide an electrical connection, at least a first system for clamping the power semiconductor components, at least a second system for clamping components protecting the power semiconductor components, at least one spacer for insulating the semiconductor components from the framework of the various modules and at least one conductive block replacing heatsinks that are rendered unnecessary by the arrangement chosen for the inverter and auxiliary chopper functions.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: March 16, 1999
    Assignee: Gec Alsthom Transport SA
    Inventors: Jean-Luc Dubelloy, Serge Donnet, Bernard Compagnet, Gerard Scali