Patents by Inventor Hans-Juergen Friedrich

Hans-Juergen Friedrich 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).

  • Publication number: 20220389957
    Abstract: A non-locating bearing assembly includes a bearing unit configured to support a rotating component relative to a stationary component, and the bearing unit includes a first stationary bearing ring and a second rotatable bearing ring that is fixedly connectable to the rotating component. The assembly also includes a bearing carrier to which the stationary bearing ring is attached in a rotationally fixed but axially displaceable manner, and the bearing carrier is configured to be fixedly connected to the stationary component.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 8, 2022
    Inventors: Juergen Barthelme, Helmut Hauck, Stefanie Seufert, Alexander Dilje, Hans-Juergen Friedrich, Sebastian Kraus, Andreas Herbert Kraus, Berthold Beyfuss
  • Publication number: 20220389964
    Abstract: A wave spring having an axially resilient spring section including at least one one-layer wave-shaped spring configured to provide a spring force in an axial direction of the wave spring, and a radially resilient spring section configured to provide a spring force in a radial direction. The wave spring may be made from a continuous flat wire that forms both the axially resilient spring section and the radially resilient spring section, the flat wire being rotated 90° at a transition from the axial spring section to the radial spring section.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 8, 2022
    Inventors: Juergen Barthelme, Helmut Hauck, Stefanie Seufert, Alexander Dilje, Hans-Juergen Friedrich, Sebastian Kraus, Alfred Radina, Andreas Herbert Kraus
  • Publication number: 20220389969
    Abstract: A non-locating bearing assembly includes a bearing unit configured to support a rotating component relative to a stationary component, and the bearing unit includes a first stationary bearing ring and a second rotatable bearing ring that is fixedly connectable to the rotating component. The bearing assembly also includes a bearing carrier to which the stationary bearing ring is attached in a rotationally fixed but axially displaceable manner, and the bearing carrier is configured to be fixedly connected to the stationary component.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 8, 2022
    Inventors: Juergen Barthelme, Helmut Hauck, Stefanie Seufert, Alexander Dilje, Hans-Juergen Friedrich, Sebastian Kraus, Andreas Herbert Kraus, Berthold Beyfuss
  • Patent number: 11319992
    Abstract: A cage segment is for a rolling-element bearing cage, particularly for large rolling-element bearings. The cage segment includes a first side element and a second side element that are connected by a first bridge and a second bridge. At least one pocket is formed between the first and second bridges which is suitable for receiving at least one rolling element. The cage segment is manufactured from sheet metal.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 3, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Berthold Beyfuss, Hans-Juergen Friedrich, Alfred Radina, Maximilian Soellner, Johannes Ullmann, Stefan Volpert
  • Patent number: 11273400
    Abstract: A structural unit includes a cylindrical component and a metal-plate element having a through-neck, and the cylindrical component extends though the through-neck and is attached to the cylindrical component. The through-neck substantially determines a position of the metal-plate element relative to the cylindrical component with respect to a radial direction of the cylindrical component. Also an oil mist separator including the structural unit.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: March 15, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Juergen Weiglein, Jürgen Barthelme, Berthold Beyfuss, Hans-Juergen Friedrich, Alfred Radina, Stefanie Seufert
  • Publication number: 20220003269
    Abstract: A sheet metal strip configured for use as an inner or outer raceway of a rolling-element bearing, and a method of forming the raceway by punching and/or laser cutting a strip of material from a metal sheet, bending the sheet into a ring and welding the ends of the strip together, and mounting the strip on a circular inner or outer surface to form an outer or inner raceway.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Harald Metz, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20220003271
    Abstract: A raceway element for a rolling-element bearing, the rolling-element bearing having an inner ring, an outer ring, and a plurality of rolling elements that are disposed between the inner ring and the outer ring. The raceway element is configured as an inner ring or as an outer ring, or is configured to be attachable to an inner ring or outer ring of the bearing, wherein at least one surface of the raceway element is configured as a raceway for the rolling elements. The raceway element is formed from a sheet metal panel having at least one recess formed in the surface configured as the raceway.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Harald Metz, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20220003272
    Abstract: A raceway element for a rolling-element bearing having an inner ring, an outer ring, and a plurality of rolling elements disposed between the inner ring and the outer ring, the raceway element being configured as the inner ring of the bearing or as the outer ring of the bearing, or being configured to be attachable to an inner ring or outer ring of the bearing. At least one surface of the raceway element is configured as a raceway for the rolling elements, the raceway element is formed from a sheet metal panel, and the raceway element includes a flange for guiding the rolling elements formed one-piece with the raceway element. Also, a bearing including the element and a method of forming the element.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Harald Metz, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20220003270
    Abstract: A bearing raceway element configured as an inner ring or as an outer ring, or configured to be attachable to an element serving as an inner ring or as an outer ring for the bearing or to an inner ring or an outer ring of the bearing. The raceway element is manufactured from a sheet metal panel and includes at least one first joint edge and at least one second joint edge directed in the circumferential direction that are configured to be connected to each other in order to form an annular raceway element. The at least one first joint edge is at least partially configured as a first alignment element and/or includes the first alignment element. Also a bearing including the raceway element and an associated method.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Harald Metz, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Patent number: 11193539
    Abstract: A sheet-metal bearing cage segment has a first ring section, at least one second ring section and a plurality of bridges connecting the first ring section and the at least one second ring section to each other such that a pocket for receiving at least one rolling element is formed between each circumferentially adjacent pair of the bridges. The first and/or second ring section includes at least one recess on the radially inner side and/or the radially outer side.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: December 7, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20210372475
    Abstract: A method of forming a bearing cage segment includes determining a path of a periphery of the bearing cage segment along a metal sheet, punching a plurality of openings in the metal sheet inside the path to form a plurality of pockets separated by a plurality of bridges and separating the bearing cage segment from the metal sheet at the path. The separating includes laser cutting first and second joint edges at a first end of the row and third and fourth joint edges at a second end of the row, where the first joint edge is spaced from the second joint edge in a length direction of the bridges and the third joint edge is spaced from the fourth joint edge in the length direction of the bridges.
    Type: Application
    Filed: August 12, 2021
    Publication date: December 2, 2021
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Patent number: 11149794
    Abstract: A sheet metal bearing cage segment includes a first sheet metal ring section, at least one second sheet metal ring section, and a plurality of bridges connecting the first ring section and the at least one second ring section to each other, adjacent pairs of the bridges forming pockets configured to receive at least one rolling element. At least one edge of the first ring section and/or at least one edge of the at least one second ring section and/or of one of the bridges is at least partially formed by laser cutting. Also a method of forming a sheet metal bearing cage at least partially by laser cutting.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Patent number: 11149793
    Abstract: A bearing cage segment of a sheet metal cage includes first and second sheet metal ring sections and bridges therebetween defining a plurality of pockets for receiving rolling elements. A first circumferential joint edge of the segment is configured to connect to a second circumferential joint edge of the segment or to a second joint edge of another segment, and the first joint edge includes at least one alignment element, such as a projection or contour, that is configured to align the first joint edge radially, axially and/or circumferentially against the second joint edge which may include a complementary alignment element such as a recess or complementary contour.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20210310519
    Abstract: A method of forming a bearing cage segment includes punching a plurality of openings in a sheet metal band to form a plurality of pockets separated by a plurality of bridges, the bridges having a length direction transverse to a length direction of the band and having a width in the length direction of the band and having a thickness in a direction perpendicular the length direction and to the width, and laser cutting the sheet metal band along one of the plurality of bridges transversely to the length direction of the band to form a joint edge.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Patent number: 11105372
    Abstract: A sheet metal bearing cage segment includes a first ring section, at least one second ring section, and a plurality of bridges connecting the first and second ring sections to each other and defining a plurality of pockets between the bridges. The bearing cage segment includes first and second circumferentially directed joint edges, the first joint edge is configured to connect to the second joint edge of the bearing cage segment or to a second joint edge of another sheet metal bearing cage segment, and the first joint edge includes at least one body of welding material projecting from the joint edge. The body of welding material may be pressed against the second joint edge while leaving a gap between the joint edges, and the welding material can be liquified by a resistance welding process to connect the joint edges.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: August 31, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20210254665
    Abstract: A cage segment is for a rolling-element bearing cage, particularly for large rolling-element bearings. The cage segment includes a first side element and a second side element that are connected by a first bridge and a second bridge. At least one pocket is formed between the first and second bridges which is suitable for receiving at least one rolling element. The cage segment is manufactured from sheet metal.
    Type: Application
    Filed: January 19, 2021
    Publication date: August 19, 2021
    Inventors: Berthold Beyfuss, Hans-Juergen Friedrich, Alfred Radina, Maximilian Soellner, Johannes Ullmann, Stefan Volpert
  • Patent number: 10890214
    Abstract: A method for attaching a bearing carrier having an opening to an outer ring of a bearing includes placing the bearing carrier against a first body that is not the outer ring of the bearing, pressing the first body against a first location on the bearing carrier with a force having a radial component to increase a width of the opening of the bearing carrier, placing the opening of the bearing carrier on the outer ring of the bearing while maintaining the force, and releasing the force after placing the bearing carrier on the outer ring.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 12, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Berthold Beyfuss, Alfred Radina, Maximilian Soellner, Stefan Volpert
  • Publication number: 20200306816
    Abstract: A method for manufacturing a bearing cage includes providing a bearing cage blank made from a metal plate, the cage blank including a cylindrical flange extending from a disk-shaped wall, punching a plurality of first openings through the cylindrical flange in a first direction to form a plurality of snap surfaces, and punching a plurality of second openings through the cylindrical wall in a second direction opposite the first direction to form a plurality of pockets. The second openings intersect at least two of the first openings, and punching the pockets removes a body of material from between the at least two of the first openings. Also a bearing cage formed by the method.
    Type: Application
    Filed: February 4, 2020
    Publication date: October 1, 2020
    Inventors: Berthold Beyfuss, Hans-Juergen Friedrich, Alfred Radina, Jonas Schierling, Maximilian Soellner, Stefan Volpert
  • Publication number: 20200256390
    Abstract: A sheet metal bearing cage segment includes a first sheet metal ring section, at least one second sheet metal ring section, and a plurality of bridges connecting the first ring section and the at least one second ring section to each other, adjacent pairs of the bridges forming pockets configured to receive at least one rolling element. At least one edge of the first ring section and/or at least one edge of the at least one second ring section and/or of one of the bridges is at least partially formed by laser cutting. Also a method of forming a sheet metal bearing cage at least partially by laser cutting.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 13, 2020
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Publication number: 20200256388
    Abstract: A sheet metal bearing cage segment includes a first ring section, at least one second ring section and a plurality of bridges connecting the first and second ring sections and forming pockets for receiving at least one rolling element. The first ring section and/or the at least one second ring section includes a circumferentially facing joint edge configured to be connected to another circumferentially facing joint edge to form a to-be-formed pocket. The joint is spaced from the plurality of bridges, and the joint edge is formed by laser cutting. The joint edge may include a chamfer on a radially outer side and/or on a radially inner side.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 13, 2020
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth