Patents Assigned to SEV S.r.l.
  • Threshing device
    Patent number: 5026322
    Abstract: The device has a first threshing rotor bearing a first number of radial blades, and a second counter-rotating loading rotor having a different number of radial blades. The rotors are arranged side by side and adapted to be driven in phase at different speeds. A fan generates a flow of air at a region of alignment of the radial blades of the first and second rotors, and the first rotor has a rear outlet for threshed leaves.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: June 25, 1991
    Assignee: SEV S.r.l.
    Inventor: Aldo Tognana