Patents Assigned to U.S. Centrifuge
  • Patent number: 6251056
    Abstract: A centrifugal separator system for substantially separating a combination of material into a substantially pure solid portion and a substantially pure liquid portion. In one form of the centrifugal separator a plow blade assembly is rotatable relative to a bowl during a cleaning mode to dislodge adhered material from the inner surface of the bowl. The plow blade assembly being driven by a plow blade assembly motor that is pivoted into engagement with the plow blade assembly. One form of the centrifugal separator has an integral top discharge feed impeller/directing member. The delivery of material into the centrifugal separator is through a self-centering feed tube positioned above the bowl. The plow blade assembly having a plurality of plow blades oriented tangential to the outer diameter of the plow blade drive shaft.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: June 26, 2001
    Assignee: U.S. Centrifuge
    Inventors: Jeffrey L. Berger, Scott Behrens
  • Patent number: 6248054
    Abstract: A centrifugal separator system for substantially separating a combination of material into a substantially pure solid portion and a substantially pure liquid portion. In one form of the centrifugal separator a plow blade assembly is rotatable relative to a bowl during a cleaning mode to dislodge adhered material from the inner surface of the bowl. The plow blade assembly being driven by a plow blade assembly motor that is pivoted into engagement with the plow blade assembly. One form of the centrifugal separator has an integral top discharge feed impeller/directing member. The delivery of material into the centrifugal separator is through a self-centering feed tube positioned above the bowl. The plow blade assembly having a plurality of plow blades oriented tangential to the outer diameter of the plow blade drive shaft.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: June 19, 2001
    Assignee: U.S. Centrifuge
    Inventors: Jeffrey L. Berger, Scott Behrens
  • Patent number: 6126587
    Abstract: A centrifugal separator system for substantially separating a combination of material into a substantially pure solid portion and a substantially pure liquid portion. In one form of the centrifugal separator a plow blade assembly is rotatable relative to a bowl during a cleaning mode to dislodge adhered material from the inner surface of the bowl. The plow blade assembly being driven by a plow blade assembly motor that is pivoted into engagement with the plow blade assembly. One form of the centrifugal separator has an integral top discharge feed impeller/directing member. The delivery of material into the centrifugal separator is through a self-centering feed tube positioned above the bowl. The plow blade assembly having a plurality of plow blades oriented tangential to the outer diameter of the plow blade drive shaft.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: October 3, 2000
    Assignee: U.S. Centrifuge
    Inventors: Jeffrey L. Berger, Scott Behrens
  • Patent number: 5879279
    Abstract: A centrifugal separator apparatus for separating a composition to a substantially solid portion and a substantially liquid portion. A dual mode vibration sensor is located radially outward from a shaft utilized for rotating a bowl. The vibration sensor for sensing the radial vibration of the bowl during rotation. Upon the vibration sensor sensing radial vibration above a first predetermined threshold or a second predetermined threshold, a signal is sent to a controller that activates a D.C. brake or frequency inverter to stop the rotation of the bowl. Further, in another embodiment, the centrifugal separator includes a directing member within the bowl for directing the composition outwardly toward the wall of the bowl during rotation to increase the separation of the liquid and the solids.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: March 9, 1999
    Assignee: U.S. Centrifuge
    Inventors: Jeffrey L. Berger, Scott Behrens