Patents Represented by Attorney Kevin L. Leffel
  • Patent number: 5351918
    Abstract: A de-icer for a structural member of an aircraft is provided. The de-icer includes first and second heaters having first and second electrically conductive strips, respectively. The first and second conductive strips are configured to form first and second marginal portions, respectively. The first and second heaters are positioned relative to each other such that the marginal portions are overlapped.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: October 4, 1994
    Assignee: The B. F. Goodrich Company
    Inventors: Michael J. Giamati, Kevin Leffel, Tommy M. Wilson
  • Patent number: 5314145
    Abstract: A de-icer comprises a compressible member immediately subjacent an outer skin overlying an apex of a leading edge. The compressible member facilitates deflection of the outer skin overlying the compressible member toward the substructure when the skin deflection means deflects the outer skin.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: May 24, 1994
    Assignee: The B.F. Goodrich Company
    Inventor: Richard L. Rauckhorst, III
  • Patent number: 5288355
    Abstract: A structural member having integral surface de-icing capability and method of manufacture are described. The structural member includes a non-metallic high tensile modulus fiber-reinforced matrix structural backing, thin force and displacement generation means, and a thin high tensile modulus outer skin bonded to said backing and said force and displacement generation means which is postioned between the backing and the skin. The force and displacement generation means may include one or more inflatable tubular members and/or electromagnetic apparatus. The structural member may be substituted for the aluminum alloy leading edge structural skin typically employed on modern aircraft.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: February 22, 1994
    Assignee: The B.F. Goodrich Company
    Inventors: Kevin L. Leffel, James C. Putt, Richard L. Rauckhorst