Patents by Inventor Ulf NYLÉN

Ulf NYLÉN 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: 20250191868
    Abstract: A bus bar current interruption device comprising a casing, providing an enclosure, and a bus bar arrangement. The bus bar arrangement is arranged to extend through the enclosure and comprises a first terminal end portion and a second terminal end portion, each of said first and second terminal end portions arranged outside of the casing. The bus bar arrangement further comprised a first fuse portion and a second fuse portion arranged in the enclosure. The casing comprises an exhaust opening configured to allow escape of vapor from the enclosure. The exhaust opening is fluidly connected to an exhaust chamber or conduit formed by the casing or attached to the casing.
    Type: Application
    Filed: February 28, 2023
    Publication date: June 12, 2025
    Applicant: Scania CV AB
    Inventors: Carl TENGSTEDT, Ulf NYLÉN, Ganesh KUMAR, Linus NILSSON, Adam SOBKOWIAK, Andreas PETTERSSON, Zahra BESHARAT
  • Patent number: 12209520
    Abstract: A control device and a method for controlling an exhaust gas aftertreatment system comprising a diesel particulate filter is provided. The method comprises a step of, in response to a determination that a temperature of an exhaust gas entering the diesel particulate filter is equal to or below 325° C., controlling a NOx concentration of the exhaust gas entering the diesel particulate filter to be equal to or less than 600 ppm. An exhaust gas aftertreatment system as well as a vehicle comprising the control device are also described.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: January 28, 2025
    Assignee: Scania CV AB
    Inventors: Björn Westerberg, Ulf Nylén, Astrid Simovits
  • Publication number: 20240151171
    Abstract: A control device and a method for controlling an exhaust gas aftertreatment system comprising a diesel particulate filter is provided. The method comprises a step of, in response to a determination that a temperature of an exhaust gas entering the diesel particulate filter is equal to or below 325° C., controlling a NOx concentration of the exhaust gas entering the diesel particulate filter to be equal to or less than 600 ppm. An exhaust gas aftertreatment system as well as a vehicle comprising the control device are also described.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 9, 2024
    Applicant: Scania CV AB
    Inventors: Björn WESTERBERG, Ulf NYLÉN, Astrid SIMOVITS
  • Patent number: 10738679
    Abstract: The present invention relates to use of a lubrication oil that forms water-soluble ash when combusted in an engine system, where the engine system comprises an internal combustion engine; an exhaust gas system comprising a diesel particulate filter to capture particulate matter from the exhaust gases, including the water-soluble ash; and an exhaust gas conduit to lead exhaust gases from the internal combustion engine to the exhaust gas system, and to collect condensed water formed by a cold start and/or a cold operation of the internal combustion engine and lead the condensed water through the diesel particulate filter, thereby dissolving and removing the water-soluble ash from the diesel particulate filter.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 11, 2020
    Assignee: Scania CV AB
    Inventors: Henrik Hittig, Mattias Berger, Ulf Nylén, Håkan Sarby, Jonas Aspfors, Hanna Lind, Klas Olofsson, Daniel Hjortborg
  • Publication number: 20190048769
    Abstract: An engine system is provided that uses lubrication oil that forms water-soluble ash when combusted. The engine system comprises an internal combustion engine lubricated by the lubrication oil; an exhaust gas system for cleaning exhaust gases from the internal combustion engine, the exhaust gas system comprising a diesel particulate filter to capture particulate matter from the exhaust gases, wherein the particulate matter comprises the water-soluble ash; an exhaust gas conduit to lead exhaust gases from the internal combustion engine to the exhaust gas system; and condensation means to accumulate condensed water and/or to form an increased amount of condensed water and arranged in fluid connection with the exhaust gas flow upstream of the diesel particulate filter. The exhaust gas conduit is arranged to collect condensed water and lead the condensed water through the diesel particulate filter, thereby dissolving and thus removing the water-soluble ash from the diesel particulate filter.
    Type: Application
    Filed: January 19, 2017
    Publication date: February 14, 2019
    Applicant: Scania CV AB
    Inventors: Henrik ERIKSSON, Mattias BERGER, Ulf NYLÉN, Håkan SARBY, Jonas ASPFORS, Hanna LIND, Klas OLOFSSON, Daniel HJORTBORG
  • Publication number: 20190040777
    Abstract: An engine system comprising an internal combustion engine operated by a fuel and lubricated by a lubrication oil comprising at least one additive that renders ash formed by combustion of the lubrication oil ammonia-soluble ash; an exhaust gas system for cleaning an exhaust gas flow from the internal combustion engine , the exhaust gas system comprising a diesel particulate filter to capture particulate matter from the exhaust gases, wherein the particulate matter comprises the ammonia-soluble ash; an exhaust gas conduit to lead exhaust gases from the internal combustion engine through the exhaust gas system; and an injection device to add a solvent comprising ammonia or an ammonia-forming compound into the exhaust gas flow upstream of the diesel particulate filter, wherein the exhaust gas conduit collects the solvent and lead the solvent through the diesel particulate filter, thereby dissolving and thus removing the ammonia-soluble ash from the diesel particulate filter.
    Type: Application
    Filed: January 19, 2017
    Publication date: February 7, 2019
    Applicant: Scania CV AB
    Inventors: Henrik ERIKSSON, Mattias BERGER, Ulf NYLÉN, Håkan SARBY, Jonas ASPFORS, Hanna LIND, Klas OLOFSSON, Daniel HJORTBORG
  • Publication number: 20190040785
    Abstract: The present invention relates to use of a lubrication oil that forms water-soluble ash when combusted in an engine system, where the engine system comprises an internal combustion engine; an exhaust gas system comprising a diesel particulate filter to capture particulate matter from the exhaust gases, including the water-soluble ash; and an exhaust gas conduit to lead exhaust gases from the internal combustion engine to the exhaust gas system, and to collect condensed water formed by a cold start and/or a cold operation of the internal combustion engine and lead the condensed water through the diesel particulate filter, thereby dissolving and removing the water-soluble ash from the diesel particulate filter.
    Type: Application
    Filed: January 19, 2017
    Publication date: February 7, 2019
    Applicant: Scania CV AB
    Inventors: Henrik ERIKSSON, Mattias BERGER, Ulf NYLÉN, Håkan SARBY, Jonas ASPFORS, Hanna LIND, Klas OLOFSSON, Daniel HJORTBORG