Patents Assigned to Scandinavian Farming Aktiebolag
  • Patent number: 4549660
    Abstract: A drum for separation of a bulk material into a heavier and a lighter fraction is arranged to be rotated around its central axis at a certain velocity and to be traversed by a flow of air at a certain flow velocity. The drum has at least one discharge aperture for the heavier fraction and at least one discharge aperture for the lighter fraction further on in the drum in the direction of the air flow.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: October 29, 1985
    Assignee: Scandinavian Farming Aktiebolag
    Inventor: Kenneth H. Werling