Patents by Inventor Wagner Vanci da Silva

Wagner Vanci da Silva 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).

  • Replacing a stub shaft bearing for a hydroelectric turbine using a runner hub lifting device
    Patent number: 11635055
    Abstract: The stub shaft bearing for a stub shaft can be replaced while the stub shaft remains installed in a hydroelectric unit. A runner hub lifting device may be positioned within a discharge ring surrounding a runner hub. The runner hub lifting device may lift the runner hub, and a stub shaft bearing may be removed from a stub shaft. The stub shaft bearing may be disassembled into bearing sections while located in a chamber in the hydroelectric unit. The bearing sections may be removed from the chamber through a service hatch in the chamber. A replacement stub shaft bearing may be moved into the chamber and installed on the stub shaft. The runner hub lifting device may lower the runner hub.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: April 25, 2023
    Assignee: ANDRITZ HYDRO CORP.
    Inventors: Anthony Robert Dall, Jr., Wagner Vanci da Silva, Bernard Cantin
  • REPLACING A STUB SHAFT BEARING FOR A HYDROELECTRIC TURBINE USING A RUNNER HUB LIFTING DEVICE
    Publication number: 20230008888
    Abstract: The stub shaft bearing for a stub shaft can be replaced while the stub shaft remains installed in a hydroelectric unit. A runner hub lifting device may be positioned within a discharge ring surrounding a runner hub. The runner hub lifting device may lift the runner hub, and a stub shaft bearing may be removed from a stub shaft. The stub shaft bearing may be disassembled into bearing sections while located in a chamber in the hydroelectric unit. The bearing sections may be removed from the chamber through a service hatch in the chamber. A replacement stub shaft bearing may be moved into the chamber and installed on the stub shaft. The runner hub lifting device may lower the runner hub.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 12, 2023
    Inventors: Anthony Robert Dall, JR., Wagner Vanci da Silva, Bernard Cantin