Patents by Inventor Peter Kaeufler

Peter Kaeufler 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).

  • Method for operating a drive unit and drive unit
    Patent number: 9494099
    Abstract: The invention relates to a method for operating a drive unit, wherein the drive unit has an internal combustion engine, which is provided with at least one fuel pump, which is controlled and/or regulated by a pump control unit and which is intended for introducing fuel into a pressure accumulator; a metering system for introducing fuel, which has been metered by means of a lambda function unit, from the pressure accumulator into the internal combustion engine; and a pressure sensor for determining the pressure in the pressure accumulator; and wherein the output variables of the pump control unit and the lambda function unit are evaluated in order to determine a malfunction of the internal combustion engine.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: November 15, 2016
    Assignee: AUDI AG
    Inventors: Thomas Rieger, Peter Kaeufler
  • Method for Operating a Drive Unit and Drive Unit
    Publication number: 20110160981
    Abstract: The invention relates to a method for operating a drive unit, wherein the drive unit has an internal combustion engine, which is provided with at least one fuel pump, which is controlled and/or regulated by a pump control unit and which is intended for introducing fuel into a pressure accumulator; a metering system for introducing fuel, which has been metered by means of a lambda function unit, from the pressure accumulator into the internal combustion engine; and a pressure sensor for determining the pressure in the pressure accumulator; and wherein the output variables of the pump control unit and the lambda function unit are evaluated in order to determine a malfunction of the internal combustion engine.
    Type: Application
    Filed: October 27, 2010
    Publication date: June 30, 2011
    Applicant: Audi AG
    Inventors: Thomas Rieger, Peter Kaeufler