Patents by Inventor Per G. Karlsson

Per G. Karlsson 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).

  • Assembly comprising a vortex fluidic device for separating a mixture of a liquid phase and a relatively heavy, solid phase
    Patent number: 4536285
    Abstract: An assembly comprises a centrifugal separator (1) with a rotor provided with permanent openings, a circulation pump (2) and lines (6, 7) forming a circulation circuit. From this circuit there is a discharge line (8) for separated solid phase fraction from an incoming mixture of liquid and solid substance. In order to control the content of solid substance in the circulation circuit, there is provided a vortex fluidic device (13) in said discharge line (8).
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: August 20, 1985
    Assignee: Alfa-Laval Separation AB
    Inventor: Per G. Karlsson