Patents by Inventor Kurt Graichen

Kurt Graichen 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: 20040116776
    Abstract: The invention relates to a device for axially conveying body fluids. The aim of the invention is to embody the inflow and outflow area of an axial pump in such a way that the flow is not separated even when it is diverted, thereby maintaining a substantially non-disrupted flow profile.
    Type: Application
    Filed: January 26, 2004
    Publication date: June 17, 2004
    Inventors: Peter Nuesser, Johannes Mueller, Hans-Erhard Peters, Joerg Mueller, Ali Kilic, Kurt Graichen, Dietmar Ries, Klaus Wunderlich
  • Publication number: 20040115038
    Abstract: A device for axially conveying fluids, wherein the conveyor part thereof is entirely magnetically borne and the radial bearing thereof is provided with sufficient rigidity and efficiently dampened, whereby problems encountered when passing through critical speeds and the disadvantageous effects of hydrodynamic and mechanical imbalance of the rotor are avoided. The magnetic bearing is combined with a hydrodynamic bearing.
    Type: Application
    Filed: February 5, 2004
    Publication date: June 17, 2004
    Inventors: Peter Nuesser, Johannes Mueller, Hans-Erhard Peters, Joerg Mueller, Werner Neumann, Kurt Graichen, Andreas Arndt
  • Patent number: 6719791
    Abstract: The invention provides a device for the axial delivery of fluidal mediums, which outer diameter is not or only insignificantly larger than the diameter of the fluid carrying pipe, which reduces to a large extent a shearing and vortexing of the fluid. A device for the axial delivery of fluidal mediums, having a tubular hollow body arrangement, in which delivery area, an impeller (9) with a blading, which can be rotated, is arranged and also has a fluid directional means. A motor (2), at least one impeller (9) which can be rotated, and at least one motor mounting (14) are arranged in a tubular hollow body (1) of the hollow body arrangement. The impeller (9) is connected axially force-fittingly and/or form-fittingly to the motor (2).
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: April 13, 2004
    Assignee: Berlin Heart AG
    Inventors: Peter Nüsser, Johannes Müller, Hans-Erhard Peters, Norbert Buske, Werner Neumann, Kurt Graichen, Conrad Kauffeldt