Patents by Inventor Srinivasa Perumal VELU

Srinivasa Perumal VELU 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).

  • TWO-STAGE MIXER
    Publication number: 20220047990
    Abstract: A two-stage mixer may include a guiding element and a mixing element. The guiding element may be configured to be fixedly mounted to an interior of an exhaust conduit. The mixing element may be configured to be fixedly mounted to the interior of the exhaust conduit in a position downstream from the guiding element. The mixing element may include a central disk, a plurality of mounting arms extending radially from the central disk, and a plurality of blades extending radially from the central disk. At least one mounting arm of the plurality of mounting arms may include a fin extending therefrom, and at least one blade of the plurality of blades may include a fin extending therefrom.
    Type: Application
    Filed: August 11, 2020
    Publication date: February 17, 2022
    Applicant: Caterpillar Inc.
    Inventors: Yung T. BUI, Srinivasa Perumal VELU
  • Two-stage mixer
    Patent number: 11247173
    Abstract: A two-stage mixer may include a guiding element and a mixing element. The guiding element may be configured to be fixedly mounted to an interior of an exhaust conduit. The mixing element may be configured to be fixedly mounted to the interior of the exhaust conduit in a position downstream from the guiding element. The mixing element may include a central disk, a plurality of mounting arms extending radially from the central disk, and a plurality of blades extending radially from the central disk. At least one mounting arm of the plurality of mounting arms may include a fin extending therefrom, and at least one blade of the plurality of blades may include a fin extending therefrom.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: February 15, 2022
    Assignee: Caterpillar Inc.
    Inventors: Yung T. Bui, Srinivasa Perumal Velu
  • Rotational exhaust flow control for diesel exhaust fluid injection
    Patent number: 11028755
    Abstract: A selective catalytic reduction (SCR) system is disclosed. The SCR system may include a mixing tube with a mixing tube inlet; a diesel exhaust fluid (DEF) injector proximate to the mixing tube inlet; and a flow control device proximate to the mixing tube inlet, wherein the flow control device is positioned within the mixing tube or affixed to the mixing tube inlet, and wherein the flow control device includes a plurality of vanes arranged around a center of the flow control device.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: June 8, 2021
    Assignee: Caterpillar Inc.
    Inventors: Kurtis Chenoweth, Jianping Pan, Mohamed Daoud, Srinivasa Perumal Velu, Arvind Jujare, Y. T. Bui
  • ROTATIONAL EXHAUST FLOW CONTROL FOR DIESEL EXHAUST FLUID INJECTION
    Publication number: 20200300146
    Abstract: A selective catalytic reduction (SCR) system is disclosed. The SCR system may include a mixing tube with a mixing tube inlet; a diesel exhaust fluid (DEF) injector proximate to the mixing tube inlet; and a flow control device proximate to the mixing tube inlet, wherein the flow control device is positioned within the mixing tube or affixed to the mixing tube inlet, and wherein the flow control device includes a plurality of vanes arranged around a center of the flow control device.
    Type: Application
    Filed: March 20, 2019
    Publication date: September 24, 2020
    Applicant: Caterpillar Inc.
    Inventors: Kurtis CHENOWETH, Jianping PAN, Mohamed DAOUD, Srinivasa Perumal VELU, Arvind JUJARE, Y. T. BUI