Patents by Inventor Qing-Ping Zheng

Qing-Ping Zheng 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).

  • Fuel injector head
    Patent number: 7117678
    Abstract: A gas turbine fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure with improved cold start and altitude re-light capabilities.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: October 10, 2006
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Parthasarathy Sampath, Qing-Ping Zheng
  • Fuel injector head
    Publication number: 20050217270
    Abstract: A gas turbine fuel nozzle head includes an outlet passage having a curved annular transitional surface extending smoothly to a substantially radial and annular surface relative to a central axis of the fuel nozzle head, for providing a low cost and compact structure with improved cold start and altitude re-light capabilities.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 6, 2005
    Inventors: Parthasarathy Sampath, Qing-Ping Zheng