Patents by Inventor Junru H. Azam

Junru H. Azam 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).

  • Mixed mode fuel injector with individually moveable needle valve members
    Patent number: 6769635
    Abstract: A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: August 3, 2004
    Assignee: Caterpillar Inc
    Inventors: Chris Stewart, Scott A. Chockley, Daniel R. Ibrahim, Keith Lawrence, Jay Tomaseki, Junru H. Azam, Steven Ye Tian, Scott F. Shafer
  • Mixed mode fuel injector with individually moveable needle valve members
    Publication number: 20040055562
    Abstract: A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.
    Type: Application
    Filed: May 16, 2003
    Publication date: March 25, 2004
    Inventors: Chris Stewart, Scott A. Chockley, Daniel R. Ibrahim, Keith Lawrence, Jay Tomaseski, Junru H. Azam, Steven Ye Tian, Scott F. Shafer