Patents by Inventor Magnus Janicki

Magnus Janicki 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).

  • Screw-type vacuum pump having overpressure openings
    Patent number: 8602759
    Abstract: A screw vacuum pump, in particular for compression against atmospheric pressure, comprises a pump housing defining a suction chamber. Two meshing screw rotors are arranged in the suction chamber. Further, an overpressure outlet provided, which comprises an overpressure opening in a side wall of the suction chamber. Further, an overpressure valve is arranged in the overpressure outlet. The width (b) of the overpressure opening in the longitudinal direction of the screw rotors is smaller than or equal to a tooth width (B) of the screw rotors.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: December 10, 2013
    Assignee: Oerlikon Leybold Vaccum GmbH
    Inventors: Peter Birch, Robert Jenkins, Roland Müller, Magnus Janicki, Wolfgang Giebmanns
  • SCREW-TYPE VACUUM PUMP
    Publication number: 20120039737
    Abstract: A screw vacuum pump, in particular for compression against atmospheric pressure, comprises a pump housing defining a suction chamber. Two meshing screw rotors are arranged in the suction chamber. Further, an overpressure outlet provided, which comprises an overpressure opening in a side wall of the suction chamber. Further, an overpressure valve is arranged in the overpressure outlet. The width (b) of the overpressure opening in the longitudinal direction of the screw rotors is smaller than or equal to a tooth width (B) of the screw rotors.
    Type: Application
    Filed: April 13, 2010
    Publication date: February 16, 2012
    Inventors: Peter Birch, Robert Jenkins, Roland Müller, Magnus Janicki, Wolfgang Giebmanns