Patents by Inventor Andreas Rippl

Andreas Rippl 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).

  • Arrangement for supporting a shaft of a vacuum pump and a vacuum pump with such an arrangement
    Patent number: 7828512
    Abstract: An arrangement for supporting a shaft of a vacuum pump includes a first bearing for supporting the shaft at one of its end, a second bearing for supporting the shaft at another of its ends and formed as a rolling bearing, a holder for receiving the second bearing and including an oscillating base, a fixation member secured in the vacuum pump housing, metallic connection members for connecting the oscillating base with the fixation member and axial springs arranged between the oscillating base and the fixation member and providing for the axial stiffness of the holder which is greater than its radial stiffness thereof and greater than the axial stiffness of the first bearing.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: November 9, 2010
    Assignee: Pfeiffer Vacuum GmbH
    Inventors: Martin Eilers, Andreas Rippl, Christopher-Mark Rippl, Tobias Stoll
  • Arrangement for supporting a shaft of a vacuum pump and a vacuum pump with such an arrangement
    Publication number: 20080138202
    Abstract: An arrangement for supporting a shaft of a vacuum pump includes a first bearing for supporting the shaft at one of its end, a second bearing for supporting the shaft at another of its ends and formed as a rolling bearing, a holder for receiving the second bearing and including an oscillating base, a fixation member secured in the vacuum pump housing, metallic connection members for connecting the oscillating base with the fixation member and axial springs arranged between the oscillating base and the fixation member and providing for the axial stiffness of the holder which is greater than its radial stiffness thereof and greater than the axial stiffness of the first bearing.
    Type: Application
    Filed: August 6, 2007
    Publication date: June 12, 2008
    Inventors: Martin Eilers, Andreas Rippl, Christopher-Mark Rippl, Tobias Stoll