Patents by Inventor Xiuzhang J. Zhang

Xiuzhang J. Zhang 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).

  • Rotor blades for turbine engines
    Patent number: 8157504
    Abstract: A blade tip of a turbine rotor blade for a gas turbine engine, the turbine rotor blade including an airfoil and a root portion for mounting the airfoil along a radial axis to a rotor disk inboard of a turbine shroud, a pressure sidewall and a suction sidewall that join together at a leading edge and a trailing edge, the pressure sidewall and suction sidewall extending from the root portion to the blade tip, and a squealer tip cavity formed at the blade tip, the blade tip comprising: a trailing edge trench originating at the squealer tip cavity, wherein the trailing edge trench generally extends toward the trailing edge of the blade tip.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: April 17, 2012
    Assignee: General Electric Company
    Inventors: Sergio Daniel Marques Amaral, Michael A. Sullivan, Xiuzhang J. Zhang, Gary M. Itzel, Felipe Roman-Morales, Scott E. Ellis
  • ROTOR BLADES FOR TURBINE ENGINES
    Publication number: 20100266410
    Abstract: A blade tip of a turbine rotor blade for a gas turbine engine, the turbine rotor blade including an airfoil and a root portion for mounting the airfoil along a radial axis to a rotor disk inboard of a turbine shroud, a pressure sidewall and a suction sidewall that join together at a leading edge and a trailing edge, the pressure sidewall and suction sidewall extending from the root portion to the blade tip, and a squealer tip cavity formed at the blade tip, the blade tip comprising: a trailing edge trench originating at the squealer tip cavity, wherein the trailing edge trench generally extends toward the trailing edge of the blade tip.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 21, 2010
    Inventors: Sergio Daniel Marques Amaral, Michael A. Sullivan, Xiuzhang J. Zhang, Gary M. Itzel, Felipe Roman-Morales, Scott E. Ellis