Patents by Inventor Eric M. Jacobsen

Eric M. Jacobsen 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 blade with lightning receptor
    Patent number: 8182227
    Abstract: A wind turbine blade having two shell portions bonded together to form a wind turbine blade having an interior space having an axial length. A web disposed between the shell portions in the interior space and extending substantially the axial length thereof. Lightning receptors are disposed on the shell portions and a conductor is disposed in the interior space. The conductor is configured to contact the lightning receptors. One shell portion of the two shell portions has a removable section, e.g. a plug, receptor or panel, to provide access to the opposite conductor. A cable mounted on the web is configured to extend substantially the axial length of the wind turbine blade and is in electrical contact with the conductor.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: May 22, 2012
    Assignee: General Electric Company
    Inventors: Eric M. Jacobsen, Ronald Eduard Stam, Nicholas K. Althoff, Matthew Gann
  • Wind turbine spars with jointed shear webs
    Patent number: 8075275
    Abstract: A spar for a wind turbine blade includes at least one shear web extending between pressure and suction sides of the blade; and a joint, arranged substantially midway between ends of the shear web, for sizing the shear web. The joint may include a resilient and/or expandable spacer.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: December 13, 2011
    Assignee: General Electric Company
    Inventors: Nicholas K. Althoff, Eric M. Jacobsen, Jan W. Bakhuis
  • BARREL NUT
    Publication number: 20100124474
    Abstract: A barrel nut is provided having an internal female threaded portion adapted to engage a male threaded portion of a fastener. The barrel nut includes a bearing surface and a top surface opposed to the bearing surface. A sidewall surface is interposed substantially between the bearing surface and the top surface. The sidewall surface has a profile shaped so as to reduce the material used in fabricating the barrel nut.
    Type: Application
    Filed: November 18, 2008
    Publication date: May 20, 2010
    Inventors: Eric M. Jacobsen, Richard A. Hardison
  • WIND TURBINE BLADE WITH LIGHTNING RECEPTOR
    Publication number: 20090196751
    Abstract: A wind turbine blade having two shell portions bonded together to form a wind turbine blade having an interior space having an axial length. A web disposed between the shell portions in the interior space and extending substantially the axial length thereof. Lightning receptors are disposed on the shell portions and a conductor is disposed in the interior space. The conductor is configured to contact the lightning receptors. One shell portion of the two shell portions has a removable section, e.g. a plug, receptor or panel, to provide access to the opposite conductor. A cable mounted on the web is configured to extend substantially the axial length of the wind turbine blade and is in electrical contact with the conductor.
    Type: Application
    Filed: February 1, 2008
    Publication date: August 6, 2009
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Eric M. JACOBSEN, Nicholas K. ALTHOFF, Ronald Eduard STAM, Matthew GANN