Patents by Inventor Marc R. Englehardt

Marc R. Englehardt 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).

  • Compensator circuitry and method for an oxygen sensor
    Patent number: 10746118
    Abstract: Compensator circuitry is provided for an oxygen sensor which includes a pump cell and a reference cell. The compensator circuitry includes a feedback control loop which maintains the reference cell at a reference voltage. The feedback control loop includes a digital compensator which determines and outputs a compensation current to the pump cell dependent on a reference voltage measured from the reference cell. The digital compensator also suspends the determination and output of the compensation current for a set time which is dependent on detection of edges in an oxygen sensor heater Pulse Width Modulation signal.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 18, 2020
    Assignee: DELPHI TECHNOLOGIES IP LIMITED
    Inventors: Mark W. Gose, Jerry W. Campbell, Eugene V. Ripley, Marc R. Englehardt, Jingyi Hou