Patents Assigned to Speck-Pumpenfabrik, Walter Speck KG
  • Peripheral pump
    Patent number: 4881871
    Abstract: The invention concerns a peripheral pump with an impeller, housing and conveyance channel beginning at a suction aperture and passing through at least one flow duct in the housing and impeller blade cells therein to a discharge orifice, the spacing between at least two impeller blades being larger or smaller than the spacing between the other impeller blades.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: November 21, 1989
    Assignee: Speck-Pumpenfabrik, Walter Speck KG
    Inventor: Erhard Wunderlich