Patents by Inventor Steven Ray LEWIS

Steven Ray LEWIS 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: 9664082
    Abstract: A mixer is disclosed for use in a reductant dosing system. The mixer may have an impingement floor located within an intended fluid injection path and generally parallel with a flow direction through the mixer. The mixer may also have a first side wall connected along a lengthwise edge of the impingement floor, a second side wall connected along an opposing lengthwise edge of the impingement floor, and a plurality of shelves extending between the first and second side walls. The plurality of shelves each may include a plurality of vanes that promote mixing of an injected fluid. One or more of the plurality of shelves may extend different distances upstream opposite the flow direction.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: May 30, 2017
    Assignee: Caterpillar Inc.
    Inventors: Yong Yi, Jay Venkataraghavan, Arvind Jujare, Steven Ray Lewis, Muheng Zhang
  • Publication number: 20160019478
    Abstract: A disruption mitigation system for a network is disclosed. The system has at least one processor and a memory module configured to store instructions that when executed enable the at least one processor to receive a data set, the data set indicative of at least one option for mitigating an event that disrupts at least one component of the network. The instructions further enable the at least one processor to determine a probability of occurrence of the event by randomly sampling a specified probability space and estimate a cost of the at least one option based on the probability.
    Type: Application
    Filed: July 18, 2014
    Publication date: January 21, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Steven Ray LEWIS, Daniel Jonathon STANTON
  • Publication number: 20150345356
    Abstract: A mixer is disclosed for use in a reductant dosing system. The mixer may have an impingement floor located within an intended fluid injection path and generally parallel with a flow direction through the mixer. The mixer may also have a first side wall connected along a lengthwise edge of the impingement floor, a second side wall connected along an opposing lengthwise edge of the impingement floor, and a plurality of shelves extending between the first and second side walls. The plurality of shelves each may include a plurality of vanes that promote mixing of an injected fluid. One or more of the plurality of shelves may extend different distances upstream opposite the flow direction.
    Type: Application
    Filed: June 2, 2014
    Publication date: December 3, 2015
    Applicant: Caterpillar Inc.
    Inventors: Yong YI, Jay VENKATARAGHAVAN, Arvind JUJARE, Steven Ray LEWIS, Muheng ZHANG