Patents Assigned to Hambra Machinery Limited
  • Elutriator
    Patent number: 4755284
    Abstract: An elutriator (1) for separating different grades of leaf vegetable material comprises an elutriation zone (17) disposed above a flow distributor, and gaseous supply means (13) for supplying a gaseous medium to the elutriation zone (17) through the flow distributor. The flow distributor is adapted to provide a substantially uniform flow of gaseous medium to the elutriation zone (17), and the velocity of air delivered to the zone is greater than the terminal velocity of at least one grade of the material to be separated.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: July 5, 1988
    Assignee: Hambra Machinery Limited
    Inventors: Derrick W. Brooks, Christopher P. Morris