Patents by Inventor Ossi K. Kilpelainen

Ossi K. Kilpelainen 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).

  • Discharge apparatus for a silo
    Patent number: 4979861
    Abstract: In an apparatus for discharging a silo (1), at the bottom (3) of the silo, a discharge mechanism (9) with at least two arms is mounted in bearings on an eccentric trunnion (7) of a vertical drive shaft (5) centrally disposed in the silo. The movement of the discharge mechanism is guided by rollers (12) disposed at the ends of the discharge arms and by pins (11) disposed at the bottom of the silo, by way of which the rollers move along a substantially epicycloidal path around the pins (11) while the shaft rotates.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: December 25, 1990
    Assignee: A. Ahlstrom Corporation
    Inventors: Ossi K. Kilpelainen, Risto O. Mikkonen