Patents by Inventor Ludger Horstkotter

Ludger Horstkotter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9333514
    Abstract: A solid-wall screw centrifuge includes a discharge for discharging a clarified liquid from a drum of the centrifuge. The drum includes a passage in a drum cover associated with a weir plate. The passage, drum cover, and weir plate form an overflow weir on a radial inner edge. A deflecting device is arranged on an outside on the drum cover, the deflecting device is arranged such that an exiting fluid flow from the centrifuge is one of deflected in the circumferential direction and subjected to a twist in the circumferential direction.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: May 10, 2016
    Assignee: GEA Mechanical Equipment GmbH
    Inventors: Stefan Terholsen, Jürgen Hermeler, Ludger Horstkötter, Kathrin Quiter, Jürgen Teigeler
  • Publication number: 20140051565
    Abstract: A solid-wall screw centrifuge includes a discharge for discharging a clarified liquid from a drum of the centrifuge. The drum includes a passage in a drum cover associated with a weir plate. The passage, drum cover, and weir plate form an overflow weir on a radial inner edge. A deflecting device is arranged on an outside on the drum cover, the deflecting device is arranged such that an exiting fluid flow from the centrifuge is one of deflected in the circumferential direction and subjected to a twist in the circumferential direction.
    Type: Application
    Filed: July 25, 2011
    Publication date: February 20, 2014
    Applicant: GEA MECHANICAL EQUIPMENT GMBH
    Inventors: Stefan Terholsen, Jürgen Hermeler, Ludger Horstkötter, Kathrin Quiter, Jürgen Teigeler
  • Patent number: 8465405
    Abstract: A solid-bowl centrifuge that includes a drum rotatable about a horizontal axis of rotation and a screw arranged in the drum. Also included are a continuous solids discharge located at a first end of the drum and a continuous liquid discharge located at a second, opposite end of the drum. Further included is at least one discontinuously acting outlet opening including a closure device.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: June 18, 2013
    Assignee: GEA Mechanical Equipment GmbH
    Inventors: Ludger Horstkötter, Hans-Joachim Beyer, Ulrich Horbach, Johannes Droste
  • Patent number: 7753834
    Abstract: A solid-bowl centrifuge comprising, a centrifugal drum rotatable about a horizontal axis of rotation, the centrifugal drum including a weir to drain a liquid out of the centrifugal drum, the weir including a passage having at least one passage opening in an axial end region of the centrifugal drum that includes a drum lid: a deflector plate arranged outside the centrifugal drum and in front of the drum lid, the deflector plate being stationary during an operation of the centrifugal drum and widening at least in sections as the deflector plate extends away from the centrifugal drum: and the deflector plate including an interior jacket, and a distance of the interior jacket from the horizontal axis of rotation not being constant but widening.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: July 13, 2010
    Assignee: Westfalia Separtator AG
    Inventors: Helmut Figgener, Markus Fleuter, Ulrich Horbach, Ludger Horstkötter, Martin Overberg, Stefan Terholsen
  • Publication number: 20100035742
    Abstract: A solid-bowl centrifuge that includes a drum rotatable about a horizontal axis of rotation and a screw arranged in the drum. Also included are a continuous solids discharge located at a first end of the drum and a continuous liquid discharge located at a second, opposite end of the drum. Further included is at least one discontinuously acting outlet opening including a closure device.
    Type: Application
    Filed: March 21, 2007
    Publication date: February 11, 2010
    Applicant: WESTFALIA SEPARATOR AG
    Inventors: Ludger Horstkotter, Hans-Joachim Beyer, Ulrich Horbach, Johannes Droste
  • Publication number: 20080248940
    Abstract: A solid-bowl centrifuge comprising, a centrifugal drum rotatable about a horizontal axis of rotation, the centrifugal drum including a weir to drain a liquid out of the centrifugal drum, the weir including a passage having at least one passage opening in an axial end region of the centrifugal drum that includes a drum lid: a deflector plate arranged outside the centrifugal drum and in front of the drum lid, the deflector plate being stationary during an operation of the centrifugal drum and widening at least in sections as the deflector plate extends away from the centrifugal drum: and the deflector plate including an interior jacket, and a distance of the interior jacket from the horizontal axis of rotation not being constant but widening.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 9, 2008
    Inventors: Helmut Figgener, Markus Fleuter, Ulrich Horbach, Ludger Horstkotter, Martin Overberg, Stefan Terholsen
  • Patent number: 7083565
    Abstract: The present invention is a solid-bowl screw centrifuge that includes a centrifugal drum. The drum has a drum casing and a screw with a screw body that is surrounded by a screw blade. The screw blade forms at least one screw spiral with a conveying path for transporting material to be centrifuged. The centrifuge also includes an inlet into the centrifugal drum, at least one solid matter discharge and at least one liquid outlet. The centrifuge includes a drum chamber that is axially closed by a drum cover having essentially a conical shape. Further included is a disk stack having at least one conical disk, and the disk stack is mounted to the drum cover directly upstream of the liquid outlet. At least a portion of the disk stack is arranged in a cylindrical section of the drum chamber that has an essentially constant diameter. A screw disk is arranged on the screw body between the drum cover and a first screw spiral.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: August 1, 2006
    Assignee: Westfalia Separator AG
    Inventors: Jürgen Hermeler, Paul Brüning, Ludger Horstkötter
  • Publication number: 20060142137
    Abstract: The present invention is a solid-bowl screw centrifuge that includes a centrifugal drum. The drum has a drum casing and a screw with a screw body that is surrounded by a screw blade. The screw blade forms at least one screw spiral with a conveying path for transporting material to be centrifuged. The centrifuge also includes an inlet into the centrifugal drum, at least one solid matter discharge and at least one liquid outlet. The centrifuge includes a drum chamber that is axially closed by a drum cover having essentially a conical shape. Further included is a disk stack having at least one conical disk, and the disk stack is mounted to the drum cover directly upstream of the liquid outlet. At least a portion of the disk stack is arranged in a cylindrical section of the drum chamber that has an essentially constant diameter. A screw disk is arranged on the screw body between the drum cover and a first screw spiral.
    Type: Application
    Filed: October 23, 2001
    Publication date: June 29, 2006
    Inventors: Jurgen Hermeler, Paul Bruning, Ludger Horstkotter
  • Patent number: 7060019
    Abstract: The present invention relates to solid bowl screw centrifuge comprising a centrifuging chamber having a rotatable screw with a center axis and a rotatable drum surrounding the centrifuging chamber. Also included is an axially extending inflow tube for guiding material to be centrifuged into a distributor. The distributor is oriented in a substantially perpendicular manner with respect to the center axis of the screw and configured for introducing the material to be centrifuged into the centrifuging chamber. The distributor further includes at least one wall having a surface structure that includes projections configured such that a substantial portion of the material to be centrifuged flowing through the distributor must flow around at least one of the projections.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: June 13, 2006
    Assignee: Westfalia Separator AG
    Inventors: Jürgen Hermeler, Paul Brüning, Ludger Horstkötter
  • Publication number: 20040029697
    Abstract: The invention relates to a solid bowl screw centrifuge comprising a centrifuging chamber (19) having a rotating screw (1) and a likewise rotating drum (21) surrounding the centrifuging chamber (19), in addition to a distributor (15) which is preferably embodied as a tube and is used to introduce the material to be centrifuged (S) into the centrifuging chamber (19). Said distributor is oriented in a angular manner, especially perpendicularly, in relation to the central axis (A) of the screw (1). The material to be centrifuged is guided through an axially extending inflow tube (13) into the distributor (15). At least one wall (15a) of the distributor is provided with a surface structure consisting of projections (27) in such a way that the main part of the material to be centrifuged (S) which passes through the distributor must flow around at least one of the projections (27) on the at least one wall (15a) on the radial path from the inflow tube (13) to the centrifuging chamber (19).
    Type: Application
    Filed: May 13, 2003
    Publication date: February 12, 2004
    Inventors: Jurgen Hermeler, Paul Bruning, Ludger Horstkotter