Patents Assigned to Flygt Aktienbolag
  • Patent number: 4653977
    Abstract: A pump for pumping and mixing of liquids containing suspensions comprises a housing having an impeller rotatable in both directions and a central inlet. The housing is provided with two outlets which are closed alternatively by a ball, depending on the rotation direction of the impeller.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: March 31, 1987
    Assignee: Flygt Aktienbolag
    Inventor: Hjalmar Fries