Patents by Inventor Sven DAS

Sven DAS 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).

  • Patent number: 9593607
    Abstract: A muffler for an exhaust system of an internal combustion engine comprises: a casing having an inner space, an inlet pipe for sound to enter the muffler, an outlet pipe for sound to exit the muffler, and a separation wall arranged to extend from the inlet pipe to the outlet pipe and being embodied in a manner such as to define first and second acoustical ducts extending through the casing to allow sound propagating along the first acoustical duct to enter the inner space of the casing and to thereafter exit the inner space of the casing again, and to allow sound propagating along the second acoustical duct to acoustically bypass the inner space of the casing.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: March 14, 2017
    Assignee: Bosal Emission Control Systems NV
    Inventors: Sven Das, Marc Mentens, Filip Dorge
  • Publication number: 20160090884
    Abstract: A muffler for an exhaust system of an internal combustion engine comprises: a casing having an inner space, an inlet pipe for sound to enter the muffler, an outlet pipe for sound to exit the muffler, and a separation wall arranged to extend from the inlet pipe to the outlet pipe and being embodied in a manner such as to define first and second acoustical ducts extending through the casing to allow sound propagating along the first acoustical duct to enter the inner space of the casing and to thereafter exit the inner space of the casing again, and to allow sound propagating along the second acoustical duct to acoustically bypass the inner space of the casing.
    Type: Application
    Filed: December 10, 2015
    Publication date: March 31, 2016
    Inventors: Sven DAS, Marc MENTENS, Filip DORGE
  • Patent number: 9238990
    Abstract: A muffler for an exhaust system of an internal combustion engine comprises: a casing having an inner space, an inlet pipe for sound to enter the muffler, an outlet pipe for sound to exit the muffler, and a separation wall arranged to extend from the inlet pipe to the outlet pipe and being embodied in a manner such as to define first and second acoustical ducts extending through the casing to allow sound propagating along the first acoustical duct to enter the inner space of the casing and to thereafter exit the inner space of the casing again, and to allow sound propagating along the second acoustical duct to acoustically bypass the inner space of the casing.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: January 19, 2016
    Assignee: BOSAL EMISSION CONTROL SYSTEMS N.V.
    Inventors: Sven Das, Marc Mentens, Filip Dorge
  • Publication number: 20140048350
    Abstract: A muffler for an exhaust system of an internal combustion engine comprises: a casing having an inner space, an inlet pipe for sound to enter the muffler, an outlet pipe for sound to exit the muffler, and a separation wall arranged to extend from the inlet pipe to the outlet pipe and being embodied in a manner such as to define first and second acoustical ducts extending through the casing to allow sound propagating along the first acoustical duct to enter the inner space of the casing and to thereafter exit the inner space of the casing again, and to allow sound propagating along the second acoustical duct to acoustically bypass the inner space of the casing.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 20, 2014
    Applicant: Scambia Holdings Cyprus Limited
    Inventors: Sven DAS, Marc Mentens, Filip Dorge