Patents by Inventor Kenneth J. Lenhart

Kenneth J. Lenhart 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).

  • Floating interturbine duct assembly for high temperature power turbine
    Patent number: 5609467
    Abstract: A floating interturbine duct assembly for a high temperature power turbine, including means for automatically adjusting to accept thermal expansion movement between dissimilar materials.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: March 11, 1997
    Assignee: Cooper Cameron Corporation
    Inventors: Kenneth J. Lenhart, Tom D. Stream
  • Removable fan shroud panel
    Patent number: 5267828
    Abstract: A shroud panel is removably joinable inwardly of a fan casing and outwardly of a fan blade in a turbofan gas turbine engine. The panel includes an arcuate backing plate having a plurality of screws disposed therethrough for mounting the panel to the casing. Each of the screws includes a locking ring joined to the shank thereof and spaced from the screw head for allowing limited translation of the screw through the panel while preventing its liberation therefrom.
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: December 7, 1993
    Assignee: General Electric Company
    Inventors: Kenneth J. Lenhart, Brett R. Chouinard, Frederick W. Tegarden
  • Gas turbine engine structural frame with multi-clevis ring attachment of struts to outer casing
    Patent number: 5236303
    Abstract: A structural frame component for use in a gas turbine engine having an outer casing includes an annular inner central hub, a plurality of circumferentially-spaced struts attached at their inner ends to the inner central hub and extending therefrom toward the outer casing of the engine, and an attachment ring including an annular member and a plurality of circumferentially-spaced clevises attached to the annular member and extending radially inwardly therefrom. The annular member encircles and is spaced radially outwardly from the outer ends of the struts and is releasably attached to the flanges on the turbine casings. Each clevis is releasably attached to the outer end of a respective one of the struts.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: August 17, 1993
    Assignee: General Electric Company
    Inventors: Laura A. Fowler, Kenneth J. Lenhart
  • Gas turbine engine structural frame with multi-yoke attachment of struts to outer casing
    Patent number: 5180282
    Abstract: A structural frame component for use in a gas turbine engine includes an annular outer shell, an annular inner central hub, a plurality of circumferentially-spaced struts extending between the outer shell and central hub, each strut being attached at its inner end to the central hub, and a multi-yoke attachment between the outer ends of the struts and the outer shell. The multi-yoke attachment is composed of a plurality of yokes. Each yoke includes a clevis and a plurality of radially oriented fasteners and tangentially oriented fasteners respectively attaching the clevis between the outer shell and the outer end of a respective one strut.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: January 19, 1993
    Assignee: General Electric Company
    Inventors: Kenneth J. Lenhart, Michael L. Barron, Thomas G. Wakeman, Donald L. Bellia