Patents by Inventor Zhixin Jason Hou

Zhixin Jason Hou 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).

  • Patent number: 7337607
    Abstract: A system or method for controlling the delivery of fuel into the transient flow of an exhaust system to control emissions. A mathematical model representative of the exhaust system can be used to determine, based on operating conditions of the exhaust system, a rate of fuel delivery suitable for achieving a desired result. The desired result can be to increase the temperature of a diesel particulate filter to a temperature suitable for regeneration without exceeding a temperature that may damage the diesel particulate filter.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: March 4, 2008
    Assignee: Donaldson Company, Inc.
    Inventors: Zhixin Jason Hou, Wayne M. Wagner, Wenzhong Zhang, Edward A. Steinbrueck, Theodore G. Angelo, Ted J. Wiegandt, Mike Anderson
  • Publication number: 20080047244
    Abstract: The present disclosure relates to an exhaust treatment article including a substrate having a length that extends along a central longitudinal axis from a first end to second end. The substrate has walls defining a honeycomb arrangement of longitudinal passages that extend along the central longitudinal axis between the first and second ends. The substrate also has first, second and third zones that each extend along a portion of the length of the substrate with the second zone being positioned axially between the first and third zones. The exhaust treatment article also includes a washcoat layer coated on the first and third zones but not coated on the second zone.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 28, 2008
    Inventors: Wenzhong Zhang, Zhixin (Jason) Hou