Patents by Inventor Ferdinand FRABOLOT

Ferdinand FRABOLOT 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).

  • Cage for wound rotor of a synchronous electric machine
    Patent number: 11283322
    Abstract: A cage for a wound rotor includes a first portion and a second portion to be rigidly connected to one another. Each portion includes an end ring and a circumferential plurality of rods extending away from the end ring parallel to the axis of revolution of the end ring. Each rod has a main portion and an end portion. For each rod of the first portion, the end portion of the rod is shaped to be rigidly connected to the end portion of at least one complementary rod of the second portion when the two portions are each installed at a longitudinal end of the body of the rotor so that the two complementary rods rigidly connected form a slot wedge extending between the two end rings of the two portions of the cage.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: March 22, 2022
    Assignees: Renault s.a.s., NISSAN MOTOR CO., LTD.
    Inventors: Shahab Tavakoli, Anthony Dell Agnese, Ferdinand Frabolot
  • CAGE FOR WOUND ROTOR OF A SYNCHRONOUS ELECTRIC MACHINE
    Publication number: 20210159751
    Abstract: A cage for a wound rotor includes a first portion and a second portion to be rigidly connected to one another. Each portion includes an end ring and a circumferential plurality of rods extending away from the end ring parallel to the axis of revolution of the end ring. Each rod has a main portion and an end portion. For each rod of the first portion, the end portion of the rod is shaped to be rigidly connected to the end portion of at least one complementary rod of the second portion when the two portions are each installed at a longitudinal end of the body of the rotor so that the two complementary rods rigidly connected form a slot wedge extending between the two end rings of the two portions of the cage.
    Type: Application
    Filed: May 13, 2019
    Publication date: May 27, 2021
    Applicants: Renault s.a.s., NISSAN MOTOR CO., LTD.
    Inventors: Shahab TAVAKOLI, Anthony DELL AGNESE, Ferdinand FRABOLOT