Patents Examined by Mlchael J Sherry
  • Multicellular DC/DC voltage converter with protection switches
    Patent number: 7405495
    Abstract: A DC/DC voltage converter between a high-voltage electrical network and a low-voltage electrical network comprises a plurality of cells connected in parallel. Each cell comprises a chopper DC/DC converter and a single protection transistor connected in a high-voltage portion of the converter thereby enabling any of the cells to be taken out of service independently of the other cells while minimizing power consumption in normal operation.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: July 29, 2008
    Assignee: Johnson Controls Automotive Electronics
    Inventors: Nicolas Guillarme, Bruno Condamin