Patents by Inventor Virginie Erdos

Virginie Erdos 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).

  • Method of detecting a fault in a permanent-magnet alternator and power supply device comprising a detector module
    Patent number: 8692572
    Abstract: A method of detecting a failure of an alternator supplying three-phase electricity to a load, the method comprising the steps of determining a duty ratio for each of the phases at the output of the alternator, determining phase differences between the phases at the output of the alternator; and determining the presence of a failure as a function of the phase differences and as a function of a comparison of the duty ratios. A power supply device is also provided for implementing the method.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: April 8, 2014
    Assignee: Sagem Defense Securite
    Inventors: Virginie Erdos, Thanh-Tuan Truong, Mehdi Dallagi
  • METHOD OF DETECTING A FAULT IN A PERMANENT-MAGNET ALTERNATOR AND POWER SUPPLY DEVICE COMPRISING A DETECTOR MODULE
    Publication number: 20130187678
    Abstract: A method of detecting a failure of an alternator supplying three-phase electricity to a load, the method comprising the steps of determining a duty ratio for each of the phases at the output of the alternator, determining phase differences between the phases at the output of the alternator; and determining the presence of a failure as a function of the phase differences and as a function of a comparison of the duty ratios. A power supply device is also provided for implementing the method.
    Type: Application
    Filed: July 18, 2011
    Publication date: July 25, 2013
    Applicant: SAGEM DEFENSE SECURITE
    Inventors: Virginie Erdos, Thanh-Tuan Truong, Mehdi Dallagi