Patents by Inventor Randall Butcher

Randall Butcher 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).

  • Turbine blades
    Publication number: 20070031259
    Abstract: A turbine blade is provided for use in a gas turbine engine. The turbine blade has a platform, an airfoil radially extending from the platform, and an attachment portion comprising an asymmetric root neck portion having a higher stress side and a lower stress side. The turbine blade may further have additional material and a compound fillet for dispersing strain in a region where the airfoil overhangs the neck portion.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Inventors: Bryan Dube, John Golan, Randall Butcher, Richard Salzillo
  • Turbine airfoil platform platypus for low buttress stress
    Publication number: 20070031260
    Abstract: A blade is provided for use in a gas turbine engine. The blade has a platform, an airfoil portion extending radially from a first side of the platform, and an attachment portion extending from a second or underside side of the platform. The attachment portion includes a buttress which abuts the second side of the platform. The blade is provided with additional material on the second side of the platform for redistributing load away from the buttress.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Inventors: Bryan Dube, Randall Butcher