Patents by Inventor Andrew Nathan Schifferer

Andrew Nathan Schifferer 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).

  • System including engine and method of operating engine
    Patent number: 11274617
    Abstract: A system includes an engine adapted to output a torque, a parasitic load adapted to receive a portion of the torque from the engine, and a controller communicably coupled to the parasitic load. The controller is configured to determine an actual exhaust temperature value of an exhaust gas flow exiting the engine and a minimum fuel amount to be injected into the engine. The controller is configured to compare the actual exhaust temperature value with an exhaust temperature threshold value of the exhaust gas flow to determine a first difference between the actual exhaust temperature value and the exhaust temperature threshold value. The controller is configured to determine a target torque output of the engine based on the first difference and the minimum fuel amount. The controller is configured to cause the torque to be increased to attain the target torque output using the parasitic load.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: March 15, 2022
    Assignee: Caterpillar Inc.
    Inventors: Suman Goli, Andrew Nathan Schifferer, Kirk Anderson, Patrick William Sullivan, Jr., Ryan Robert Stoffel, Phillip Alvin Hartz
  • SYSTEM INCLUDING ENGINE AND METHOD OF OPERATING ENGINE
    Publication number: 20220056862
    Abstract: A system includes an engine adapted to output a torque, a parasitic load adapted to receive a portion of the torque from the engine, and a controller communicably coupled to the parasitic load. The controller is configured to determine an actual exhaust temperature value of an exhaust gas flow exiting the engine and a minimum fuel amount to be injected into the engine. The controller is configured to compare the actual exhaust temperature value with an exhaust temperature threshold value of the exhaust gas flow to determine a first difference between the actual exhaust temperature value and the exhaust temperature threshold value. The controller is configured to determine a target torque output of the engine based on the first difference and the minimum fuel amount. The controller is configured to cause the torque to be increased to attain the target torque output using the parasitic load.
    Type: Application
    Filed: August 18, 2020
    Publication date: February 24, 2022
    Applicant: Caterpillar Inc.
    Inventors: Suman Goli, Andrew Nathan Schifferer, Kirk Anderson, Patrick William Sullivan, JR., Ryan Robert Stoffel, Phillip Alvin Hartz