Patents by Inventor Norbert Markert

Norbert Markert 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 mobilising ash in an exhaust-gas particle filter
    Patent number: 10612437
    Abstract: A method for execution with an exhaust-gas particle filter which is operated with an exhaust-gas aftertreatment system, wherein the exhaust-gas particle filter has a filter wall along which exhaust gas is conducted for filtering purposes; wherein the method includes a regeneration phase with the steps: a) setting a soot load on the exhaust-gas particle filter, wherein the set soot load effects the formation of a soot layer on ash deposited on the filter wall; and b) subsequently mobilising the deposited ash by burning off the formed soot layer during the course of an active regeneration of the exhaust-gas particle filter.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: April 7, 2020
    Assignee: MTU FRIEDRICHSHAFEN GMBH
    Inventors: Klaus Rusch, Raphael-David Leopold, Hilmar Wolman, Günter Zitzler, Alexander Schneider, Tim Späder, Andrea Prospero, Norbert Markert, Michael Neuscheler, Viktor Mantaj, Michael Rauter, Boban Maletic, John Scholz, Daniel Chatterjee
  • METHOD FOR MOBILISING ASH IN AN EXHAUST-GAS PARTICLE FILTER
    Publication number: 20180171844
    Abstract: A method for execution with an exhaust-gas particle filter which is operated with an exhaust-gas aftertreatment system, wherein the exhaust-gas particle filter has a filter wall along which exhaust gas is conducted for filtering purposes; wherein the method includes a regeneration phase with the steps: a) setting a soot load on the exhaust-gas particle filter, wherein the set soot load effects the formation of a soot layer on ash deposited on the filter wall; and b) subsequently mobilising the deposited ash by burning off the formed soot layer during the course of an active regeneration of the exhaust-gas particle filter.
    Type: Application
    Filed: June 2, 2016
    Publication date: June 21, 2018
    Inventors: Klaus RUSCH, Raphael-David LEOPOLD, Hilmar WOLMAN, Günter ZITZLER, Alexander SCHNEIDER, Tim SPÄDER, Andrea PROSPERO, Norbert MARKERT, Michael NEUSCHELER, Viktor MANTAJ, Michael RAUTER, Boban MALETIC, John SCHOLZ, Daniel CHATTERJEE
  • METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE
    Publication number: 20170101916
    Abstract: A method for operating an internal combustion engine with an exhaust gas after treatment system, which includes at least one particulate filter. The method is characterized by a parameter-controlled partial regeneration of the particulate filter.
    Type: Application
    Filed: February 4, 2015
    Publication date: April 13, 2017
    Inventors: Philipp KLAAS, Daniel CHATTERJEE, Marc HEHLE, Norbert MARKERT, Ralf MÜLLER
  • Apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system
    Patent number: 6550238
    Abstract: An apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system. The apparatus comprises a filter for binding the hydrocarbons. A catalyst for oxidation of the hydrocarbons to carbon dioxide and water is provided downstream of the filter.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: April 22, 2003
    Assignee: DaimlerChrysler AG
    Inventors: Renato Andorf, Thomas Birkhofer, Matthias Bohl, Norbert Markert, Werner Maunz, Ralf Moos, Carsten Plog, Thomas Stengel
  • Catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres
    Patent number: 6534439
    Abstract: A catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres which contains iridium on a support material. Silicon dioxide or a dealuminized zeolite in the acid H form with a modulus of more than 20, preferably more than 100, or mixtures thereof are used as support materials. Iridium is deposited on the external surfaces of these support materials with average particle sizes between 10 and 30 nm. The catalyst is particularly suitable for treating exhaust gases from lean-burn gasoline engines or from diesel engines.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: March 18, 2003
    Assignee: Degussa-Huls Aktiengesellschaft
    Inventors: Hans van den Tillaart, Jürgen Leyrer, Wolfgang Strehlau, Egbert Lox, Thomas Kreuzer, Carsten Plog, Renato Andorf, Norbert Markert, Thomas Stengel
  • Apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system
    Publication number: 20020056269
    Abstract: An apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system. The apparatus comprises a filter for binding the hydrocarbons. A catalyst for oxidation of the hydrocarbons to carbon dioxide and water is provided downstream of the filter.
    Type: Application
    Filed: August 17, 2001
    Publication date: May 16, 2002
    Inventors: Renato Andorf, Thomas Birkhofer, Matthias Bohl, Norbert Markert, Werner Maunz, Ralf Moos, Carsten Plog, Thomas Stengel
  • CATALYST FOR REDUCING NITROGEN OXIDES IN OXIDIZING AND REDUCING ATMOSPHERES
    Publication number: 20010053341
    Abstract: A catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres which contains iridium on a support material. Silicon dioxide or a dealuminized zeolite in the acid H form with a modulus of more than 20, preferably more than 100, or mixtures thereof are used as support materials. Iridium is deposited on the external surfaces of these support materials with average particle sizes between 10 and 30 nm. The catalyst is particularly suitable for treating exhaust gases from lean-burn gasoline engines or from diesel engines.
    Type: Application
    Filed: July 1, 1999
    Publication date: December 20, 2001
    Inventors: HANS VAN DEN TILLAART, JURGEN LEYRER, WOLFGANG STREHLAU, EGBERT LOX, THOMAS KREUZER, CARSTEN PLOG, RENATO ANDORF, NORBERT MARKERT, THOMAS STENGEL