Patents by Inventor Bernd Stephan

Bernd Stephan 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: 11707975
    Abstract: An axle subassembly of a trailer of a vehicle includes a wheel bearing having an outer ring mechanically connected to a shaft and an electric drive/generator operably connected to the shaft, wherein the electric drive/generator in a first state is configured to generate electricity from a rotation of the shaft and wherein the electric drive/generator in a second state is configured to drive the shaft, and a controller configured to shift the electric drive/generator unit into the first state and into the second state.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: July 25, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Christian Knoche, Bernd Stephan
  • Patent number: 11286980
    Abstract: A rolling-element bearing transmission includes a first rolled-on element, at least one second rolled-on element and a third rolled-on element. Each of the rolled-on elements has a raceway configured to support a plurality of rolling elements. A first set of rolling elements is disposed between the first rolled-on element and the at least one second rolled-on element and a second set of rolling elements is disposed between the at least one second and the third rolled-on elements. Each of the rolled-on elements comprises or supports at least one transmission element, and the at least one transmission elements are disposed and configured to form a transmission.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 29, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventor: Bernd Stephan
  • Patent number: 11274703
    Abstract: A rolled-on-surface element of a rolling-element bearing assembly has a rolled-on surface configured to support a plurality of rolling elements, a cavity in the rolled-on surface having an opening smaller than 25% of a total area of the rolled-on surface, and an insert press-fit in the cavity such that an exposed surface of the insert forms a portion of the rolled-on surface. Also, a method of repairing a rolled-on surface of a rolled-on-surface element using an insert.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: March 15, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventor: Bernd Stephan
  • Patent number: 11215229
    Abstract: A bearing assembly includes an outer element and an inner element and at least two rows of rolling elements supporting the inner element in the outer element for relative rotation. The outer element includes two surface regions for contact with the rolling elements, and the inner element includes two surface regions for contact with the rolling elements, and the rolling elements of at least one of the rows are rollers.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 4, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventor: Bernd Stephan
  • Publication number: 20210348645
    Abstract: A bearing assembly for supporting a drive shaft of an electric drive motor includes at least one inner ring, at least one outer ring, and a plurality of rolling elements disposed between the inner ring and the outer ring. The bearing assembly is an angular contact ball bearing, and the plurality of rolling elements include a first row of rolling elements and a second row of rolling elements. Also a shaft assembly supported by the bearing assembly and an electric motor including the shaft assembly.
    Type: Application
    Filed: April 22, 2021
    Publication date: November 11, 2021
    Inventors: Martin Daucher, Thomas Forster, Bernd Stephan
  • Patent number: 11143282
    Abstract: A rolling-element bearing transmission includes a rotor configured to rotate a shaft relative to a stator and a rotatable output ring that includes a first rolled-on surface element. The shaft includes at least one second rolled-on surface element, and the stator includes a third rolled-on surface element. First and second pluralities of rolling elements are located between the shaft and the stator and between the shaft and the output ring. Also, a transmission mechanism transmits a rotary motion of the shaft to the output ring with a speed reduction such that the output ring rotates at a lower speed than the shaft.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: October 12, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Ingo Schulz, Bernd Stephan
  • Patent number: 11002315
    Abstract: A rolling bearing having an annular inner ring and an annular outer ring in relative rotation around a central axis and rolling elements housed between raceways provided in the two rings. At least one of the rings includes two concentric annular ring parts made of metallic material, and an annular layer made of electrically insulating material, the layer being accommodated between the two parts.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 11, 2021
    Assignee: Aktiebolaget SKF
    Inventor: Bernd Stephan
  • Publication number: 20200361240
    Abstract: An articulated shaft includes a hollow shaft and a joint formed by a first outer ring element and a first inner ring element in the interior of the first outer ring element which joint is configured to transmit a torque from the hollow shaft to an axle connected to the inner ring element. The outer ring element is formed one-piece with the hollow shaft and/or the inner ring element is formed one-piece with the axle.
    Type: Application
    Filed: May 4, 2020
    Publication date: November 19, 2020
    Inventor: Bernd Stephan
  • Publication number: 20200362915
    Abstract: A bearing assembly includes an outer element and an inner element and at least two rows of rolling elements supporting the inner element in the outer element for relative rotation. The outer element includes two surface regions for contact with the rolling elements, and the inner element includes two surface regions for contact with the rolling elements, and the rolling elements of at least one of the rows are rollers.
    Type: Application
    Filed: March 17, 2020
    Publication date: November 19, 2020
    Inventor: Bernd STEPHAN
  • Publication number: 20200353806
    Abstract: An axle subassembly of a trailer of a vehicle includes a wheel bearing having an outer ring mechanically connected to a shaft and an electric drive/generator operably connected to the shaft, wherein the electric drive/generator in a first state is configured to generate electricity from a rotation of the shaft and wherein the electric drive/generator in a second state is configured to drive the shaft, and a controller configured to shift the electric drive/generator unit into the first state and into the second state.
    Type: Application
    Filed: April 15, 2020
    Publication date: November 12, 2020
    Inventors: Christian Knoche, Bernd Stephan
  • Publication number: 20200277991
    Abstract: A rolled-on-surface element of a rolling-element bearing assembly has a rolled-on surface configured to support a plurality of rolling elements, a cavity in the rolled-on surface having an opening smaller than 25% of a total area of the rolled-on surface, and an insert press-fit in the cavity such that an exposed surface of the insert forms a portion of the rolled-on surface. Also, a method of repairing a rolled-on surface of a rolled-on-surface element using an insert.
    Type: Application
    Filed: January 22, 2020
    Publication date: September 3, 2020
    Inventor: Bernd Stephan
  • Publication number: 20190323558
    Abstract: A rolling bearing having an annular inner ring and an annular outer ring in relative rotation around a central axis and rolling elements housed between raceways provided in the two rings. At least one of the rings includes two concentric annular ring parts made of metallic material, and an annular layer made of electrically insulating material, the layer being accommodated between the two parts.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 24, 2019
    Inventor: Bernd Stephan
  • Publication number: 20180231113
    Abstract: A rolling-element bearing transmission includes a rotor configured to rotate a shaft relative to a stator and a rotatable output ring that includes a first rolled-on surface element. The shaft includes at least one second rolled-on surface element, and the stator includes a third rolled-on surface element. First and second pluralities of rolling elements are located between the shaft and the stator and between the shaft and the output ring. Also, a transmission mechanism transmits a rotary motion of the shaft to the output ring with a speed reduction such that the output ring rotates at a lower speed than the shaft.
    Type: Application
    Filed: February 12, 2018
    Publication date: August 16, 2018
    Inventors: Ingo Schulz, Bernd Stephan
  • Publication number: 20180135694
    Abstract: A rolling-element bearing transmission includes a first rolled-on element, at least one second rolled-on element and a third rolled-on element. Each of the rolled-on elements has a raceway configured to support a plurality of rolling elements. A first set of rolling elements is disposed between the first rolled-on element and the at least one second rolled-on element and a second set of rolling elements is disposed between the at least one second and the third rolled-on elements. Each of the rolled-on elements comprises or supports at least one transmission element, and the at least one transmission elements are disposed and configured to form a transmission.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 17, 2018
    Inventor: Bernd Stephan
  • Patent number: 8734022
    Abstract: A sealing device is provided for sealing a space between a hub and a spindle pivotally connected by a bearing, the hub being coaxially mounted on the spindle and extending in an axial direction and the bearing having an inner ring. The sealing device includes a radial shaft seal including a shell portion having an outer static sealing surface disposeable against the hub and a hinge portion having a radial sealing lip. A sleeve member includes an inner static sealing surface disposeable against the spindle, a running surface contactable by the sealing lip and a sleeve portion. The sleeve portion extends in the axial direction beyond a side surface of the bearing inner ring and is disposeable about a shoulder diameter of the bearing inner ring.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: May 27, 2014
    Assignee: Aktiebolaget SKF
    Inventors: Rico Dittmar, Thilo Beck, Bernd Stephan, Arno Stubenrauch, Peter Volpert, Thomas Will, John M. Dominguez, Linas L. Maskaliunas
  • Patent number: 8658645
    Abstract: The present invention relates to the use of certain quinolone antibiotics for controlling bacterial disorders of the oral cavity, in particular in veterinary medicine.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: February 25, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Gert Daube, Markus Edingloh, Bernd Stephan, Franz Pirro, Agnès Limet
  • Patent number: 8632255
    Abstract: A bearing assembly includes a first bearing comprising a first inner ring and a second bearing comprising a second inner ring. A sleeve-shaped spacer is disposed between and axially separates the first and second inner rings. An adhesive connects the spacer to the first and second inner rings.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: January 21, 2014
    Assignee: Aktiebolaget SKF
    Inventors: Rico Dittmar, Thilo Louis Beck, Gerhard Haas, Michael Kummert, Achim Müller, Bernd Stephan, Arno M. Stubenrauch, Peter Volpert, Thomas Will
  • Patent number: 8137000
    Abstract: A wheel bearing for a driven wheel provided with a roller bearing module includes an outer ring and a hub which can be slide onto the outer ring from at least from one side such that it encompasses a partial area of the outer covering of the outer ring, wherein at least one area of the outer covering of the outer ring and one area of an inner covering of the hub are embodied in the form of a conical covering so that they match each other and can be arranged adjacent to each other.
    Type: Grant
    Filed: December 3, 2005
    Date of Patent: March 20, 2012
    Assignee: AB SKF
    Inventors: Bernd Stephan, Jesko-Henning Tanke
  • Patent number: 8125323
    Abstract: A wheel monitoring apparatus includes a measuring and evaluation unit designed to be fastened to the wheel in the region of at least one wheel nut or bolt of the wheel. The wheel monitoring apparatus includes at least one sensor for detecting a characteristic variable for a state of a wheel bearing and at least one sensor for detecting a tire pressure of a tire of the wheel.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: February 28, 2012
    Assignee: Aktiebolaget SKF
    Inventors: Bernd Stephan, Jens Graf, Patrick Mayer
  • Publication number: 20110262063
    Abstract: A sealing device is provided for sealing a space between a hub and a spindle pivotally connected by a bearing, the hub being coaxially mounted on the spindle and extending in an axial direction and the bearing having an inner ring. The sealing device includes a radial shaft seal including a shell portion having an outer static sealing surface disposeable against the hub and a hinge portion having a radial sealing lip. A sleeve member includes an inner static sealing surface disposeable against the spindle, a running surface contactable by the sealing lip and a sleeve portion. The sleeve portion extends in the axial direction beyond a side surface of the bearing inner ring and is disposeable about a shoulder diameter of the bearing inner ring.
    Type: Application
    Filed: April 21, 2010
    Publication date: October 27, 2011
    Applicant: Aktiebolaget SKF
    Inventors: Rico Dittmar, Thilo Beck, Bernd Stephan, Arno Stubenrauch, Peter Volpert, Thomas Will, John M. Dominguez, Linas L. Maskaliunas