Patents Assigned to Procedes SEM
  • Patent number: 4147437
    Abstract: An impeller for producing a stirring action within a fluid medium contained in a vessel includes blades, each blade being shaped to produce a variation in the lift coefficient of the impeller from the rotational axis thereof to the blade tip, in order to provide a centrifugal or centripetal component, as case may be, of the outflaring or reduction imparted to the impeller blowing cone.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: April 3, 1979
    Assignee: Procedes SEM
    Inventor: Pierre Jonqueres