Patents by Inventor Catherine Alviz-Radi

Catherine Alviz-Radi 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).

  • REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON DATA FROM PRESSURE SENSOR ASSEMBLY AND METHOD OF CALIBRATING A REDUCTANT DOSING SYSTEM
    Publication number: 20230392533
    Abstract: A reductant dosing system includes an injector, a fixed displacement pump in fluid communication with the injector, a reductant source in fluid communication with the fixed displacement pump, a pressure sensor assembly that detects a pressure of a reductant and stores a calibration value, and a controller communicatively coupled to the fixed displacement pump and the pressure sensor assembly. The controller receives data that includes the detected pressure of the reductant and the calibration value. The controller, in response to the calibration value being within a predetermined calibration value range, calculates a flow rate of the fixed displacement pump based on at least the detected pressure and the calibration value, and, in response to the calibration value being outside the predetermined calibration value range, calculates the flow rate of the fixed displacement pump based on at least the detected pressure and a pre-determined calibration value different from the calibration value.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Applicant: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Vikram Sundararajan, Masoud Ziabakhsh Deilami, Catherine Alviz-Radi, Joe V. Hill, Patrick E. Conlon, Stephen M. Holl
  • Reductant dosing system with calibration value determined based on data from pressure sensor assembly and method of calibrating a reductant dosing system
    Patent number: 11767782
    Abstract: A reductant dosing system includes: an injector; a fixed displacement pump in fluid communication with the injector; a reductant source in fluid communication with the fixed displacement pump; a pressure sensor assembly configured to detect a pressure of reductant in the reductant dosing system; and a controller communicatively coupled to the fixed displacement pump and to the pressure sensor assembly, wherein the controller is configured to calculate a flow rate of the fixed displacement pump based on at least a calibration value determined based on data received from the pressure sensor assembly.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 26, 2023
    Assignee: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Vikram Sundararajan, Masoud Ziabakhsh Deilami, Catherine Alviz-Radi, Joe V. Hill, Patrick E. Conlon, Stephen M. Holl
  • REDUCTANT DOSING SYSTEM WITH CALIBRATION VALUE DETERMINED BASED ON DATA FROM PRESSURE SENSOR ASSEMBLY AND METHOD OF CALIBRATING A REDUCTANT DOSING SYSTEM
    Publication number: 20210231040
    Abstract: A reductant dosing system includes: an injector; a fixed displacement pump in fluid communication with the injector; a reductant source in fluid communication with the fixed displacement pump; a pressure sensor assembly configured to detect a pressure of reductant in the reductant dosing system; and a controller communicatively coupled to the fixed displacement pump and to the pressure sensor assembly, wherein the controller is configured to calculate a flow rate of the fixed displacement pump based on at least a calibration value determined based on data received from the pressure sensor assembly.
    Type: Application
    Filed: May 25, 2018
    Publication date: July 29, 2021
    Applicant: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Vikram Sundararajan, Masoud Ziabakhsh Deilami, Catherine Alviz-Radi, Joe V. Hill, Patrick E. Conlon, Stephen M. Holl