Patents by Inventor Stéphane BOULIN

Stéphane BOULIN 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).

  • Rotor having an injected cage
    Patent number: 11489425
    Abstract: A method for manufacturing a rotor of a rotary electric machine, including a stack of magnetic laminations defining the slots in which bars made from a first electrically conducting material are received, in which method a second electrically conducting material, different from the first, is injected using an injection machine, from the front of the laminations stack, the bars being held at their rear end against the pressure associated with the injection by a positioning tool that passes through a cavity used for forming a short-circuiting ring at the rear of the laminations stack.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: November 1, 2022
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Sébastien Porcher, Thierry Visse, Stéphane Boulin, François Turcat
  • ROTOR HAVING AN INJECTED CAGE
    Publication number: 20200244150
    Abstract: A method for manufacturing a rotor of a rotary electric machine, including a stack of magnetic laminations defining the slots in which bars made from a first electrically conducting material are received, in which method a second electrically conducting material, different from the first, is injected using an injection machine, from the front of the laminations stack, the bars being held at their rear end against the pressure associated with the injection by a positioning tool that passes through a cavity used for forming a short-circuiting ring at the rear of the laminations stack.
    Type: Application
    Filed: July 30, 2018
    Publication date: July 30, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Sébastien PORCHER, Thierry VISSE, Stéphane BOULIN, François TURCAT