Patents by Inventor Vishnu L. Poonamallee

Vishnu L. Poonamallee 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).

  • Detecting and controlling a fuel-rich condition of a reactor in a fuel cell system
    Publication number: 20080152969
    Abstract: A fuel cell system includes a fuel cell stack, and a reactor to oxidize excess fuel exhausted from the fuel cell stack. A sensor associated with the reactor provides an output indication, and a controller detects a fuel-rich condition of the reactor based on the output indication from the sensor.
    Type: Application
    Filed: December 22, 2006
    Publication date: June 26, 2008
    Inventors: Vishnu L. Poonamallee, Zhi Zhou, Parshant Dhand, Alan S. Feitelberg
  • Controlling oxidant flow to a reactor of a fuel cell system
    Publication number: 20080152962
    Abstract: In a fuel cell system, a reactor oxidizes excess fuel from an exhaust of a fuel cell. Based on at least fuel flow to the reactor and a temperature associated with the reactor, a change to be made to the oxidant flow to the reactor is determined. A setting of at least one oxidant flow control element is adjusted in response to the determined change.
    Type: Application
    Filed: December 22, 2006
    Publication date: June 26, 2008
    Inventors: Vishnu L. Poonamallee, John Parks, Dustan L. Skidmore, Jing Ou, Rebecca Dinan, Zhi Zhou