Patents by Inventor Hoyle Jang

Hoyle Jang 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).

  • GASIFICATION FEED INJECTORS AND METHODS OF MODIFYING THE CAST SURFACES THEREOF
    Publication number: 20090202955
    Abstract: Gasification feed injectors for injecting fluids into a combustion chamber and methods of modifying the cast surfaces of such injectors are provided. In an embodiment, a feed injector for injecting a fluid into a combustion chamber comprises a nozzle defining an interior flow passage, the nozzle comprising a cast surface modified to have an ASTM grain size number of about 2 to about 9.
    Type: Application
    Filed: February 7, 2008
    Publication date: August 13, 2009
    Applicant: General Electric Company
    Inventor: Hoyle Jang
  • Pre-stressed/pre-compressed gas turbine nozzle
    Patent number: 6402463
    Abstract: A method of increasing low cycle fatigue life of a turbine nozzle comprising a plurality of stationary airfoils extending between radially inner and outer ring segments comprising a) providing at least one radial passage in each of the plurality of airfoils; b) installing a rod in the radial passage extending between the radially inner and outer ring segments and fixing one end of the rod to one of the inner and outer rings; and c) pre-loading the rod to compress the airfoil between the inner and outer ring segments.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: June 11, 2002
    Assignee: General Electric Company
    Inventors: Hoyle Jang, Gary Michael Itzel, Yufeng Phillip Yu
  • Pre-stressed/pre-compressed gas turbine nozzle
    Publication number: 20010018019
    Abstract: A method of increasing low cycle fatigue life of a turbine nozzle comprising a plurality of stationary airfoils extending between radially inner and outer ring segments comprising a) providing at least one radial passage in each of the plurality of airfoils; b) installing a rod in the radial passage extending between the radially inner and outer ring segments and fixing one end of the rod to one of the inner and outer rings; and c) pre-loading the rod to compress the airfoil between the inner and outer ring segments.
    Type: Application
    Filed: February 7, 2001
    Publication date: August 30, 2001
    Applicant: General Electric Company
    Inventors: Hoyle Jang, Gary Michael Itzel, Yufeng Phillip Yu