Patents by Inventor Alexander Bernhard

Alexander Bernhard 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).

  • Publication number: 20140083083
    Abstract: In a method for controlling the NOx concentration in the exhaust gas of an internal combustion engine in which an NOx control deviation is calculated from an actual NOx value and a desired NOx value, a control value is calculated based on the NOx control deviation via an NOx controller and by means of the control value at least one condition of the cylinder inlet flow volume of the internal combustion engine is adjusted in that, additionally, an adaption injection begin is determined in dependence on the control value of the NOx controller, and the injection begin is changed by the adaption injection begin.
    Type: Application
    Filed: October 8, 2013
    Publication date: March 27, 2014
    Applicant: MTU FRIEDRICHSHAFEN GMBH
    Inventors: Michael Prothmann, Andreas Flohr, Joerg Remele, Martin Lehmann, Alexander Bernhard, Andreas Krammer
  • Patent number: D341525
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: November 23, 1993
    Inventor: Alexander A. Bernhard