Patents by Inventor Bengt Lahti

Bengt Lahti 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).

  • Centrifugal separator
    Patent number: 5202024
    Abstract: Centrifugal separator includes a rotor, which is arranged in a gas containing chamber and which on its outside surface is provided with a number of cavities located at a distance from each other and open to the chamber. In order to disturb the generation of sound waves in the cavities at the resonant frequency of the cavities, an irregularity, preferably in the shape of a projection, is arranged nearby and in front of at least one cavity in the rotational direction of the rotor.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: April 13, 1993
    Assignee: Alfa-Laval Separation AB
    Inventors: Per-Olof Andersson, Bengt Lahti, Otto Hellekant