Patents by Inventor Bradley E. Nicol

Bradley E. Nicol 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).

  • Variable speed wind turbine drive and control system
    Patent number: 7569943
    Abstract: A variable speed wind turbine utilizes a hydraulic transmission including a hydraulic pump coupled to a rotor and a hydraulic motor coupled to an induction generator to produce variable frequency power that is converted to grid frequency power by electronic controls.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 4, 2009
    Assignee: Parker-Hannifin Corporation
    Inventors: Joesph A. Kovach, Norman C. Lindner, Bradley E. Nicol, Richard D. Kimpel
  • VARIABLE SPEED WIND TURBINE DRIVE AND CONTROL SYSTEM
    Publication number: 20080296897
    Abstract: A variable speed wind turbine utilizes a hydraulic transmission including a hydraulic pump coupled to a rotor and a hydraulic motor coupled to an induction generator to produce variable frequency power that is converted to grid frequency power by electronic controls.
    Type: Application
    Filed: November 21, 2007
    Publication date: December 4, 2008
    Applicant: PARKER-HANNIFIN CORPORATION
    Inventors: Joesph A. Kovach, Norman C. Lindner, Bradley E. Nicol, Richard D. Kimpel