Patents by Inventor Sonke Brodersen

Sonke Brodersen 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).

  • Turbo-machine with reduced abrasive wear
    Patent number: 5984629
    Abstract: A turbo-machine for transporting media loaded with solid particles includes a housing. At least one impeller is disposed inside the housing and defines impeller side spaces disposed between the impeller and the housing. Wall surfaces bound the impeller side spaces. The wall surfaces have various shaped protrusions, recesses, blades and grooves for conducting the flow of the medium near the wall at least partly into regions where the transport medium has a greater rotational motion.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: November 16, 1999
    Assignee: KSB Aktiengesellscaft
    Inventors: Sonke Brodersen, Peter Hergt
  • Structured surfaces for turbo-machine parts
    Patent number: 5846055
    Abstract: A turbo-machine comprises a housing. The housing has internal surfaces which come into contact with fluid flowing through the turbo-machine. The surfaces have an ordered, fine, sharp-edged groove structure that is affixed to the surfaces, such that the groove structure extends predominantly in the flow direction.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: December 8, 1998
    Assignee: KSB Aktiengesellschaft
    Inventors: Sonke Brodersen, Jurgen Schill, Helmut Warth
  • Centrifugal pump impeller
    Patent number: 5478200
    Abstract: A centrifugal pump impeller for delivering solids-containing media includes a blade having a beginning portion. In the plane of the middle blade surface, there is, in front of the blade beginnings, a very fiat transition from the impeller covering disks to the blade beginnings.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: December 26, 1995
    Assignee: KSB Aktiengesellschaft
    Inventors: Sonke Brodersen, Peter Hergt, Wolfgang Metzinger, Paul Krieger