Patents by Inventor Daniel CHATTERJEE

Daniel CHATTERJEE 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 OPERATING AN EXHAUST GAS AFTERTREATMENT SYSTEM, EXHAUST GAS AFTERTREATMENT SYSTEM, AND INTERNAL COMBUSTION ENGINE WITH AN EXHAUST GAS AFTERTREATMENT SYSTEM
    Publication number: 20180187588
    Abstract: A method for operating an exhaust gas aftertreatment system, having the following steps: determining a permissible energy input into at least one exhaust gas aftertreatment element of the exhaust gas aftertreatment system; ascertaining a current energy input into the at least one exhaust gas aftertreatment element by ascertaining at least one energy input variable which characterizes the current energy input; and actuating an adjusting device which varies a distribution of an exhaust gas mass flow to the at least one exhaust gas aftertreatment element and a bypass path that runs about the at least one exhaust gas aftertreatment element depending on the permissible energy input and the current energy input.
    Type: Application
    Filed: June 6, 2016
    Publication date: July 5, 2018
    Inventors: Daniel CHATTERJEE, Klaus RUSCH, Guido SCHÄFFNER, Klaus WEHLER
  • 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