Patents by Inventor Franck Radjai

Franck Radjai 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 for evaluating the compactness of a layer of railway line ballast, device for implementing same and method for predicting the compaction of said layer of ballast
    Patent number: 9810614
    Abstract: The method for evaluating the compactness of a layer of railroad ballast near a railroad tie includes at least one step of taking at least two measurements (11,11a,11b) of the penetration resistance (Qd) of the ballast (13) near one and the same railroad tie (10), and a step of calculating the mean value (Qdmean) of these measurements (11,11a,11b) of penetration resistance (Qd). Also provided are a device for implementing such a method and a method for predicting the settlement of the ballast of a railroad track including a step of evaluating the compactness of a ballast near a railroad tie.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: November 7, 2017
    Assignees: SNCF RESEAU, UNIVERSITE DE MONTPELLIER 2 SCIENCES ET TECHNIQUES, UNIVERSITE BLAISE PASCAL-CLERMONT II, LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Gilles Saussine, Juan Carlos Quezada, Pierre Breul, Franck Radjai
  • METHOD FOR EVALUATING THE COMPACTNESS OF A LAYER OF RAILWAY LINE BALLAST, DEVICE FOR IMPLEMENTING SAME AND METHOD FOR PREDICTING THE COMPACTION OF SAID LAYER OF BALLAST
    Publication number: 20150293000
    Abstract: The method for evaluating the compactness of a layer of railroad ballast near a railroad tie includes at least one step of taking at least two measurements (11,11a,11b) of the penetration resistance (Qd) of the ballast (13) near one and the same railroad tie (10), and a step of calculating the mean value (Qdmean) of these measurements (11,11a,11b) of penetration resistance. Also provided are a device for implementing such a method and a method for predicting the settlement of the ballast of a railroad track including a step of evaluating the compactness of a ballast near a railroad tie.
    Type: Application
    Filed: October 28, 2013
    Publication date: October 15, 2015
    Applicants: SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS SNCF, UNIVERSITE DE MONTPELLIER 2 SCIENCES ET TECHNIQUES, UNIVERSITE BLAISE PASCAL- CLERMONT II, LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Gilles Saussine, Juan Carlos Quezada, Pierre Breul, Franck Radjai