Patents by Inventor Chistopher Paul Keener

Chistopher Paul Keener 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).

  • Shank shape for a turbine blade and turbine incorporating the same
    Patent number: 8007245
    Abstract: A turbine includes a turbine wheel having a plurality of buckets, each of the buckets including a bucket airfoil, a bucket dovetail to connect the bucket to a turbine wheel and a shank shape to connect the airfoil to the bucket dovetail, the shank having an uncoated nominal profile including a concave, pressure side, substantially in accordance with Cartesian values of X, Y and Z? set forth in Table I wherein the Z? values are non-dimensional values in a range from 0 to 1 convertible to Z distances in inches by multiplying the Z? values by shank height in inches, and a convex, suction side, substantially in accordance with Cartesian values of X, Y and Z? set forth in Table II wherein the Z? values are non-dimensional values in a range from 0 to 1 convertible to Z distances in inches by multiplying the Z? values by the shank height in inches.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 30, 2011
    Assignee: General Electric Company
    Inventors: Robert Alan Brittingham, Linda Jean Farral, Chistopher Paul Keener, Holly Renae Davis
  • Shank shape for a turbine blade and turbine incorporating the same
    Publication number: 20090142195
    Abstract: A turbine includes a turbine wheel having a plurality of buckets, each of the buckets including a bucket airfoil, a bucket dovetail to connect the bucket to a turbine wheel and a shank shape to connect the airfoil to the bucket dovetail, the shank having an uncoated nominal profile including a concave, pressure side, substantially in accordance with Cartesian values of X, Y and Z? set forth in Table I wherein the Z? values are non-dimensional values in a range from 0 to 1 convertible to Z distances in inches by multiplying the Z? values by shank height in inches, and a convex, suction side, substantially in accordance with Cartesian values of X, Y and Z? set forth in Table II wherein the Z? values are non-dimensional values in a range from 0 to 1 convertible to Z distances in inches by multiplying the Z? values by the shank height in inches.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 4, 2009
    Applicant: General Electric Co.
    Inventors: Robert Alan Brittingham, Linda Jean Farral, Chistopher Paul Keener, Holly Renae Davis