Patents Assigned to Versuchsanstalt f. Deutsche Forschungs-u Luft-u Raumfahrt e.V
  • Noiseless combustion and plasma cutting arrangement
    Patent number: 4438316
    Abstract: The invention relates to a noiseless combustion and plasma cutting arrangnt with a cutter and an associated gridiron- or honeycomb-type bench that is divided into individual cells that are higher than they are wide to reduce the noise that occurs during cutting.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: March 20, 1984
    Assignee: Versuchsanstalt f. Deutsche Forschungs-u Luft-u Raumfahrt e.V
    Inventors: Ulrich Ackermann, Eggo Ratsch