Patents Assigned to Herz-und Diabeteszentrum NRW
  • Patent number: 8574291
    Abstract: The invention relates to an electrical linear drive, in particular for a pump system of an artificial heart, with a movable part and a stationary part, wherein the stationary part is formed by a permanent magnet arrangement and the movable part is formed by a coil arrangement, or vice versa, and wherein the coil arrangement and the permanent magnet arrangement can be moved to and fro relative to each other in an axial direction by means of current passed through the coil arrangement. The invention further relates to an electrical linear drive of this kind in which the permanent magnet arrangement is designed as a stack of frame-shaped, in particular ring-shaped magnets, which are magnetized alternately radially and axially in the axial direction, such that the magnetic field is strengthened on one side of the frame.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: November 5, 2013
    Assignees: Rheinisch-Westfaelische Technische Hochschule Aachen, Herz-und Diabeteszentrum NRW
    Inventors: Thomas Finocchiaro, Thomas Butschen, Marc Lessmann, Kay Hameyer, Thomas Schmitz-Rode, Ulrich Steinseifer, Paul Barteld Kwant