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Centrifugal pumps

  • US 3,244,109 A
  • Filed: 07/10/1964
  • Issued: 04/05/1966
  • Est. Priority Date: 07/19/1963
  • Status: Expired due to Term
First Claim
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1. A CENTRIFUGAL IMPELLER PUMP COMPRISING A CASING AND AN IMPELLER THEREIN IN THE FORM OF A CIRCULAR VESSEL HAVING A PERIPHERAL WALL AND SIDE WALLS, AN INLET EYE IN A SAID SIDE WALL, AND INTERNAL FLUID ROTATING MEANS, SAID VESSEL BEING CONSTRUCTED OF SEPARATE PARTS AND BEING DISPOSED IN THE CASING SO AS TO FORM AROUND THE VESSEL AN ANNULAR CHAMBER, SAID CHAMBER HAVING SMOOTH SURFACES AND A DISCHARGE OUTLET MEANS;

  • AT LEAST ONE OF SAID SIDE WALLS HAVING IN THE REGION OF ITS PERIPHERY AT LEAST ONE TANGENTIALLY-DISCHARGING EXIT NOZZLE OPENING INTO THE SAID SMOOTH SURFACED CHAMBER FOR PRODUCING A NON-TURBULENT FLOW IN SAID CHAMBER TO SAID OUTLET MEANS.

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