Patents by Inventor James E. Gutknecht

James E. Gutknecht 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).

  • Laser shock peened gas turbine engine fan blade edges
    Patent number: 5591009
    Abstract: Gas turbine engine fan blade with a metallic airfoil having a leading edge, a trailing edge, and a radially outer tip, and at least one laser shock peened surface located along the leading edge with a region having deep compressive residual stresses imparted by laser shock peening (LSP) extending into the airfoil from the laser shock peened surface.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: January 7, 1997
    Assignee: General Electric Company
    Inventors: Seetharamaiah Mannava, Albert E. McDaniel, William D. Cowie, Herbert Halila, James E. Rhoda, James E. Gutknecht
  • Windage shield
    Patent number: 4190397
    Abstract: An improved windage shield is provided for use with turbomachinery members partially defining an internal flow path wherein the members are connected by a fastener which protrudes beyond one of the members. The windage shield comprises a portion which is captured between the fastener and one of the members and a cylindrical section which extends downstream of the members to form a smooth cover for isolating the members from the internal fluid flow. The protruding fastener end is recessed into, and generally flush with, the captured portion of the windage shield.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: February 26, 1980
    Assignee: General Electric Company
    Inventors: Jan C. Schilling, James E. Gutknecht