Patents by Inventor Charles Asheim

Charles Asheim 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).

  • Publication number: 20230213022
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 6, 2023
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Patent number: 11603824
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: March 14, 2023
    Assignee: Inventus Holdings, LLC
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Publication number: 20210054828
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Patent number: 10851764
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: December 1, 2020
    Assignee: Inventus Holdings, LLC
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Publication number: 20180163705
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Patent number: 9909559
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: March 6, 2018
    Assignee: Inventus Holdings, LLC
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake
  • Publication number: 20150096174
    Abstract: A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.
    Type: Application
    Filed: October 6, 2014
    Publication date: April 9, 2015
    Applicant: Inventus Holdings, LLC
    Inventors: Martin E. Lohan, Per Eske Fenger, Charles Asheim, Miguel A. Gonzalez, Daniel M. Brake