Patents by Inventor Alexandre Castro

Alexandre Castro 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).

  • Brush holder for electric traction motors for locomotives
    Patent number: 11133633
    Abstract: Brush holder for electric traction motors for locomotives, included in the electrical field, refers to an improvement applied to a brush holder, used in electric traction motors for locomotives, which electric coupling device is especially adapted to sustain, support and press the brush over a commuter of an electric motor rotor, while its body is connected to electric connections, being said device structurally sustained by means of isolated shafts which are connected to the locomotive structure.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: September 28, 2021
    Assignee: Mersen Do Brasil Ltda.
    Inventor: Alexandre Castro
  • Brush Holder for Electric Traction Motors for Locomotives
    Publication number: 20210119396
    Abstract: Brush holder for electric traction motors for locomotives, included in the electrical field, refers to an improvement applied to a brush holder, used in electric traction motors for locomotives, which electric coupling device is especially adapted to sustain, support and press the brush over a commuter of an electric motor rotor, while its body is connected to electric connections, being said device structurally sustained by means of isolated shafts which are connected to the locomotive structure.
    Type: Application
    Filed: May 22, 2020
    Publication date: April 22, 2021
    Inventor: Alexandre Castro