Patents by Inventor Andrew James Fisher

Andrew James Fisher 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).

  • Patent number: 11572806
    Abstract: Various embodiments include methods for performing maintenance on a gas turbine bearing area. In some cases, a method includes: separating sections of an inlet bellmouth of the gas turbine without removing the sections of the inlet bellmouth from the gas turbine; removing a housing from over a bearing of the gas turbine; mounting a bearing maintenance apparatus adjacent the inlet bellmouth and the bearing; and performing maintenance on the bearing area while the sections of the inlet bellmouth remain separated.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: February 7, 2023
    Assignee: General Electric Company
    Inventors: Andrew James Fisher, Joseph Daniel Becker, Lukasz Sajdak, Piotr Hubert Wojciechowski
  • Publication number: 20210189910
    Abstract: Various embodiments include methods for performing maintenance on a gas turbine bearing area. In some cases, a method includes: separating sections of an inlet bellmouth of the gas turbine without removing the sections of the inlet bellmouth from the gas turbine; removing a housing from over a bearing of the gas turbine; mounting a bearing maintenance apparatus adjacent the inlet bellmouth and the bearing; and performing maintenance on the bearing area while the sections of the inlet bellmouth remain separated.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Inventors: Andrew James Fisher, Joseph Daniel Becker, Lukasz Sajdak, Piotr Hubert Wojciechowski
  • Patent number: 10968780
    Abstract: Various embodiments include apparatuses for performing maintenance on a gas turbine bearing area, along with related methods. One apparatus can include: a set of rails sized to couple with the gas turbine and rest coaxially with a bearing adjacent the gas turbine, the set of rails for supporting a portion of a housing of the bearing; a first platform spanning between the set of rails; a lifting device coupled to the first platform for engaging an inlet bellmouth of the gas turbine; and a second platform suspended from the set of rails sized to accommodate an operator.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: April 6, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Andrew James Fisher, Joseph Daniel Becker, Lukasz Sajdak, Piotr Hubert Wojciechowski
  • Patent number: 10472990
    Abstract: Various embodiments include apparatuses for performing maintenance on a gas turbine (GT) nozzle, along with related methods. One apparatus can include: a nozzle engagement sled for releasably engaging the nozzle, the nozzle engagement sled including: a sled body; a locking member coupled with the sled body, the locking member sized to complement a slot in the nozzle; a sled slot within a side of the sled body, the sled slot for engaging a rail within the GT; and at least one wheel for transporting the sled body within the GT.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: November 12, 2019
    Assignee: General Electric Company
    Inventors: Andrew James Fisher, John William Herbold, Thomas Alan Mogle, II
  • Publication number: 20190072005
    Abstract: Various embodiments include apparatuses for performing maintenance on a gas turbine bearing area, along with related methods. One apparatus can include: a set of rails sized to couple with the gas turbine and rest coaxially with a bearing adjacent the gas turbine, the set of rails for supporting a portion of a housing of the bearing; a first platform spanning between the set of rails; a lifting device coupled to the first platform for engaging an inlet bellmouth of the gas turbine; and a second platform suspended from the set of rails sized to accommodate an operator.
    Type: Application
    Filed: July 17, 2018
    Publication date: March 7, 2019
    Inventors: Andrew James FISHER, Joseph Daniel BECKER, Lukasz SAJDAK, Piotr Hubert WOJCIECHOWSKI
  • Publication number: 20180128129
    Abstract: Various embodiments include apparatuses for performing maintenance on a gas turbine (GT) nozzle, along with related methods. One apparatus can include: a nozzle engagement sled for releasably engaging the nozzle, the nozzle engagement sled including: a sled body; a locking member coupled with the sled body, the locking member sized to complement a slot in the nozzle; a sled slot within a side of the sled body, the sled slot for engaging a rail within the GT; and at least one wheel for transporting the sled body within the GT.
    Type: Application
    Filed: November 8, 2016
    Publication date: May 10, 2018
    Inventors: Andrew James Fisher, John William Herbold, Thomas Alan Mogle, II