Patents by Inventor Lasse Hoffmann

Lasse Hoffmann 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).

  • Flexible tongue valve for an oil separation device in the crankcase ventilation of a motor vehicle
    Publication number: 20100050962
    Abstract: A flexible tongue valve for an oil separation device in the crankcase ventilation of a motor vehicle includes a flexible tongue which on one end is suspended in a cantilevered manner and on the opposite end interacts with a valve seat. The flexible tongue comprises a bistable portion with a first stable position and a second stable position, wherein the bistable portion consists of a bimetal and is adapted to automatically abruptly switch between the first stable position and the second stable position depending on temperature.
    Type: Application
    Filed: June 26, 2009
    Publication date: March 4, 2010
    Inventors: Lasse Hoffmann, Artur Knaus
  • DEVICE FOR RETURNING OIL SEPARATED FROM BLOW-BY GASES AND ACCUMULATED IN AN ACCUMULATION CHAMBER
    Publication number: 20090263261
    Abstract: The invention relates to a device for returning oil separated from blow-by gases and accumulated in an accumulation chamber (5) into the crankcase (2) of an internal combustion engine with a pump (9), wherein the pump (9) is located on a component (8) of the internal combustion engine, which component periodically changes the distance to the pump (9), and that the pump (9) can be driven by magnetic forces acting between the component (8) and the pump (9).
    Type: Application
    Filed: March 27, 2009
    Publication date: October 22, 2009
    Applicant: Dichtungstechnik G. Bruss GmbH & Co., KG
    Inventors: Lasse Hoffmann, Artur Knaus