Patents by Inventor Eric W. Alletzhauser

Eric W. Alletzhauser 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).

  • Gas turbine engine with fan variable area nozzle having a rotational valve system
    Patent number: 7966827
    Abstract: A turbofan engine includes a fan variable area nozzle having a multiple of vents through a fan nacelle and rotatable elements rotatable within the vents by an actuator system. Rotation of the rotatable element within each vent changes the effective area of the fan nozzle exit area to permit efficient operation at a multiple of flight conditions.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: June 28, 2011
    Assignee: United Technologies Corporation
    Inventor: Eric W. Alletzhauser
  • GAS TURBINE ENGINE WITH FAN VARIABLE AREA NOZZLE HAVING A ROTATIONAL VALVE SYSTEM
    Publication number: 20090064659
    Abstract: A turbofan engine includes a fan variable area nozzle having a multiple of vents through a fan nacelle and rotatable elements rotatable within the vents by an actuator system. Rotation of the rotatable element within each vent changes the effective area of the fan nozzle exit area to permit efficient operation at a multiple of flight conditions.
    Type: Application
    Filed: May 31, 2007
    Publication date: March 12, 2009
    Inventor: Eric W. Alletzhauser