Patents by Inventor Stefan KRENN

Stefan KRENN 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: 20230258245
    Abstract: A dual-clutch transmission for use in a vehicle has a housing, a clutch pack drum adapted to rotate inside the housing, a central clutch gear connected to the clutch pack drum, a first clutch pack, a first clutch hub, a first pressure plate disposed on the first side of the central clutch gear, and a first shaft connected to the first clutch hub. The first shaft drives at least one first transmission gear when the first pressure plate squeezes the first clutch pack. The dual-clutch transmission further includes a second clutch pack, a second clutch hub, a second pressure plate disposed on the second side of the central clutch gear, and a second shaft connected to the second clutch hub. The second shaft drives at least one second transmission gear when the second pressure plate squeezes the second clutch pack. A vehicle having a dual-clutch transmission is also encompassed.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 17, 2023
    Inventor: Stefan KRENN
  • Publication number: 20220105810
    Abstract: An interface device for supplying a plurality of users with electrical power from a railway converter of a track maintenance machine includes a connection device for electrically linking to a DC voltage circuit of the railway converter and a distribution device, electrically connected to the connection device, for connecting the plurality users. A track maintenance system and a track maintenance machine are also provided.
    Type: Application
    Filed: November 28, 2019
    Publication date: April 7, 2022
    Inventor: STEFAN KRENN
  • Patent number: 9562494
    Abstract: An internal combustion engine has a crankcase having a first crankcase portion fastened to a second crankcase portion along a first plane, a crankshaft, a cylinder block defining two cylinders, two pistons, and a cylinder head. A crankshaft support defines a crankshaft support aperture. A central portion of the crankshaft is received in the crankshaft support aperture. At least one fastener fastens the crankshaft support to the cylinder block. The at least one fastener is perpendicular to a crankshaft axis and is disposed in a second plane. The crankshaft axis is normal to the first plane. The second plane is one of coplanar with and parallel to the first plane.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: February 7, 2017
    Assignee: BRP-POWERTRAIN GMBH & CO. KG
    Inventor: Stefan Krenn
  • Publication number: 20160003185
    Abstract: An internal combustion engine has a crankcase having a first crankcase portion fastened to a second crankcase portion along a first plane, a crankshaft, a cylinder block defining two cylinders, two pistons, and a cylinder head. A crankshaft support defines a crankshaft support aperture. A central portion of the crankshaft is received in the crankshaft support aperture. At least one fastener fastens the crankshaft support to the cylinder block. The at least one fastener is perpendicular to a crankshaft axis and is disposed in a second plane. The crankshaft axis is normal to the first plane. The second plane is one of coplanar with and parallel to the first plane.
    Type: Application
    Filed: January 31, 2014
    Publication date: January 7, 2016
    Inventor: Stefan KRENN
  • Patent number: D1003786
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: November 7, 2023
    Assignee: KTM AG
    Inventors: Stefan Frahammer, Marco Hubmann, Armin Hörandtner, Stefan Krenn
  • Patent number: D1005892
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: November 28, 2023
    Assignee: KTM AG
    Inventors: Stefan Frahammer, Marco Hubmann, Armin Hörandtner, Stefan Krenn
  • Patent number: D1014344
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: February 13, 2024
    Assignee: KTM AG.
    Inventors: Stefan Frahammer, Marco Hubmann, Armin Hörandtner, Stefan Krenn