Patents by Inventor Hai Sam

Hai Sam 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).

  • Repair alignment method and apparatus for turbine components
    Patent number: 9018560
    Abstract: A turbine component repair apparatus includes: a first die having male and female halves for clamping a first section of a turbine blade with a platform and a root portion of an airfoil, the first die having a recess shaped to receive the root portion and retain a faying surface thereof in predetermined alignment; and a second die having male and female halves for clamping a repair section which defines a tip portion of the airfoil, the second die having a second recess shaped to receive the tip portion and retain a faying surface of the tip portion in predetermined alignment. The first and second dies have mating front faces configured to align their bottom surfaces in a common plane. A alignment device is removably attached to the second die to temporarily align the repair section in the absence of the male half of the second die.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: April 28, 2015
    Assignee: General Electric Company
    Inventors: Michael Gary Krizansky, Gary R. Peters, Hai Sam
  • REPAIR ALIGNMENT METHOD AND APPARATUS FOR TURBINE COMPONENTS
    Publication number: 20120216402
    Abstract: A turbine component repair apparatus includes: a first die having male and female halves for clamping a first section of a turbine blade with a platform and a root portion of an airfoil, the first die having a recess shaped to receive the root portion and retain a faying surface thereof in predetermined alignment; and a second die having male and female halves for clamping a repair section which defines a tip portion of the airfoil, the second die having a second recess shaped to receive the tip portion and retain a faying surface of the tip portion in predetermined alignment. The first and second dies have mating front faces configured to align their bottom surfaces in a common plane. A alignment device is removably attached to the second die to temporarily align the repair section in the absence of the male half of the second die.
    Type: Application
    Filed: February 20, 2012
    Publication date: August 30, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Michael Gary Krizansky, Gary R. Peters, Hai Sam