Centrifuge for separating sludge from liquids

• US 2,711,854 A
• Filed: 05/04/1953
• Issued: 06/28/1955
• Est. Priority Date: 05/14/1952
• Status: Expired due to Term

• Current Assignee: Valentin Kjellgren Ove Allan
• Original Assignee: Valentin Kjellgren Ove Allan
• Inventors: VALENTIN KJELLGREN OVE ALLAN
• Application Number:
  US03/352,820
• Time in Patent Office: 785 Days
• US Class Current: 494/27
• CPC Class Codes: B04B 1/20 discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
• CPC Class Codes: B04B 2001/2066 with additional disc stacks

Claims

1. IN A CENTRIFUGE FOR SEPARATING SLUDGE FROM LIQUIDS AND HAVING A CENTRIFUGAL ROTOR IN WHICH A MASS OF THE SLUDGE PARTICLES IS CONVEYED OUT OF THE LIQUID BODY IN THE ROTOR TO LIBERATE THE MASS FROM LIQUID, THE COMBINATION WITH SAID ROTOR OF PARTITION MEANS DIVIDING THE ROTOR INTO FIRST AND SECOND SEPARATING CHAMBERS EACH HAVING A SLOPING SURFACE FORMING A SLUDGE PATH INCLINED INWARD TOWARD THE ROTATION AXIS OF THE ROTOR, AND EACH CHAMBER ALSO HAVING A SLUDGE OUTLET LOCATED AT THE INNER PORTION OF THE CORRESPONDING INCLINED PATH, THE SLUDGE OUTLET OF THE FIRST CHAMBER SERIALLY CONNECTING THE TWO CHAMBERS, AND A SLUDGE CONVEYOR IN EACH CHAMBER COACTING WITH THE ROTOR TO MOVE THE SLUDGE INWARD ALONG SAID PATH TO THE CORRESPONDING