Patents by Inventor Randy S. Longtin

Randy S. Longtin 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).

  • Wind turbine direct drive airgap control method and system
    Patent number: 7944074
    Abstract: A deflection resistant wind turbine generator having a stator arranged about an axis and a rotor operably mounted with respect to the stator to generate electricity. The rotor is rotatably communicating with wind turbine blades rotating substantially about the axis and the rotor and the stator are configured to maintain an airgap therebetween. The stator and the rotor have selectively engageable surfaces that maintain a substantially stable airgap and permit rotation of the rotor during engagement. The engageable surfaces engage when the rotor deflects to a predetermined amount of deflection.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: May 17, 2011
    Assignee: General Electric Company
    Inventors: Randy S. Longtin, Patrick L. Jansen
  • WIND TURBINE DIRECT DRIVE AIRGAP CONTROL METHOD AND SYSTEM
    Publication number: 20090243301
    Abstract: A deflection resistant wind turbine generator having a stator arranged about an axis and a rotor operably mounted with respect to the stator to generate electricity. The rotor is rotatably communicating with wind turbine blades rotating substantially about the axis and the rotor and the stator are configured to maintain an airgap therebetween. The stator and the rotor have selectively engageable surfaces that maintain a substantially stable airgap and permit rotation of the rotor during engagement. The engageable surfaces engage when the rotor deflects to a predetermined amount of deflection.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 1, 2009
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Randy S. LONGTIN, Patrick L. JANSEN