Patents by Inventor Tobias Köhnlein

Tobias Köhnlein 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).

  • Suction device for crankcase ventilation
    Patent number: 11415030
    Abstract: The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 16, 2022
    Assignees: Joma-Polytec GmbH, Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Jörg Ströse, Christian Scheibe, Tobias Köhnlein
  • Suction Device For Crankcase Ventilation
    Publication number: 20210189925
    Abstract: The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.
    Type: Application
    Filed: January 7, 2019
    Publication date: June 24, 2021
    Applicants: Joma-Polytec GmbH, Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Jörg Ströse, Christian Scheibe, Tobias Köhnlein