Patents by Inventor Horst Welker

Horst Welker 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).

  • Generation of highly accurate and highly dynamic direct currents from a rectifier group and an active filter which is connected in parallel with the load for smoothing purposes
    Patent number: 8537576
    Abstract: A power supply for generating temporally specifiable, open- and closed-loop controlled current paths includes a first controllable rectifier group that includes at least one rectifier having a smoothing inductor at an output. An active filter is connected in parallel to a load, the active filter including a second rectifier group with at least one rectifier and a pulse bridge connected to an output thereof. A second-order low pass filter has a clock inductor, a capacitor, and an RC damping, the clock inductor being connected located at an output of the pulse bridge.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 17, 2013
    Assignee: GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
    Inventors: Heinz Ramakers, Horst Welker
  • GENERATION OF HIGHLY ACCURATE AND HIGHLY DYNAMIC DIRECT CURRENTS FROM A RECTIFIER GROUP AND AN ACTIVE FILTER WHICH IS CONNECTED IN PARALLEL WITH THE LOAD FOR SMOOTHING PURPOSES
    Publication number: 20100264898
    Abstract: A power supply for generating temporally specifiable, open- and closed-loop controlled current paths includes a first controllable rectifier group that includes at least one rectifier having a smoothing inductor at an output. An active filter is connected in parallel to a load, the active filter including a second rectifier group with at least one rectifier and a pulse bridge connected to an output thereof. A second-order low pass filter has a clock inductor, a capacitor, and an RC damping, the clock inductor being connected located at an output of the pulse bridge.
    Type: Application
    Filed: October 31, 2008
    Publication date: October 21, 2010
    Inventors: Heinz Ramakers, Horst Welker