Patents by Inventor Herbert Erhardt

Herbert Erhardt 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: 9765812
    Abstract: A steering bearing for bearing a steering column of a motor vehicle, including an inner ring and an outer ring having respective raceways on which balls roll, the outer ring being enclosed by a sleeve in which a spring ring is arranged. The spring ring tensions the balls against the respective raceways and the balls roll on said spring ring.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: September 19, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Rainer Lutz, Andreas Wollner, Herbert Erhardt
  • Publication number: 20160305474
    Abstract: A steering bearing for bearing a steering column of a motor vehicle, including an inner ring and an outer ring having respective raceways on which balls roll, the outer ring being enclosed by a sleeve in which a spring ring is arranged. The spring ring tensions the balls against the respective raceways and the balls roll on said spring ring.
    Type: Application
    Filed: October 15, 2014
    Publication date: October 20, 2016
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Rainer Lutz, Andreas Wollner, Herbert Erhardt
  • Patent number: 9222514
    Abstract: A securing element (1, 11, 12, 13, 14) made of sheet metal with an annular body (3, 12a, 26) and with holding tongues (4, 41, 42, 43, 44) which emerge from the annular body (3, 12a, 26) and end at a hole (6) in the securing element (1, 11, 12, 13, 14), which hole is centered with respect to the center axis (5) of the securing element (1, 11, 12, 13, 14), wherein the hole (6) leads axially in the same direction as the center axis (5) through the securing element (1, 11, 12, 13, 14) and, at radial narrowest hole cross sections of the hole (6), is bounded at least by end edges (7, 71, 72, 73, 74) formed on the end sides of the holding tongues (4, 41, 42, 43, 44).
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: December 29, 2015
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventors: Herbert Erhardt, Richard Baier, Jochen Ott, Rainer Lutz, Anton Erhardt, Peter Loncar, Reinhold Nuetzel
  • Patent number: 9032833
    Abstract: A securing element (1) with an annular body (3, 12a, 26) and with holding tongues (4) which emerge from the annular body (3, 12a, 26) and end at a hole (6) in the securing element (1), which hole is centered with respect to the center axis (5) of the securing element (1), wherein the hole (6) leads axially in the same direction as the center axis (5) through the securing element (1) and, at the radial narrowest points of the hole (6), is bounded at least by end edges (7) formed on the end sides of the holding tongues (4), and wherein in each case at least two surfaces (8, 9) bounding part of the holding tongue (4) meet and end at the respective end edge (7), and of which one of the surfaces (8) is formed on the front side of the holding tongue (4).
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: May 19, 2015
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventors: Herbert Erhardt, Richard Baier, Jochen Ott, Rainer Lutz, Anton Erhardt, Peter Loncar, Reinhold Nuetzel
  • Patent number: 8997601
    Abstract: A steering column with a steering-column tube, a steering spindle and at least one steering bearing for the rotatable mounting of the steering spindle in the steering-column tube, the steering bearing having an outer ring sitting in the steering-column tube, an inner ring and rolling bodies arranged between the outer ring and a track section of the inner ring, wherein the inner ring bears against the steering spindle at only two points and, for this purpose, has a first section which axially adjoins the track section and bears under prestress against the steering spindle at the first point, and a second section which is axially spaced apart from the first section, which axially adjoins the track section, and which has a first end of the inner ring in interaction with the steering spindle at the second point.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: April 7, 2015
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventor: Herbert Erhardt
  • Publication number: 20140345414
    Abstract: A securing element (1) with an annular body (3, 12a, 26) and with holding tongues (4) which emerge from the annular body (3, 12a, 26) and end at a hole (6) in the securing element (1), which hole is centred with respect to the centre axis (5) of the securing element (1), wherein the hole (6) leads axially in the same direction as the centre axis (5) through the securing element (1) and, at the radial narrowest points of the hole (6), is bounded at least by end edges (7) formed on the end sides of the holding tongues (4), and wherein in each case at least two surfaces (8, 9) bounding part of the holding tongue (4) meet and end at the respective end edge (7), and of which one of the surfaces (8) is formed on the front side of the holding tongue (4).
    Type: Application
    Filed: August 1, 2011
    Publication date: November 27, 2014
    Applicant: Schaeffler Technologies GmbH & Co. KG
    Inventors: Herbert Erhardt, Richard Baier, Jochen Ott, Rainer Lutz, Anton Erhardt, Peter Loncar, Reinhold Nuetzel
  • Publication number: 20140216197
    Abstract: A securing element (1, 11, 12, 13, 14) made of sheet metal with an annular body (3, 12a, 26) and with holding tongues (4, 41, 42, 43, 44) which emerge from the annular body (3, 12a, 26) and end at a hole (6) in the securing element (1, 1, 12, 13, 14), which hole is centred with respect to the centre axis (5) of the securing element (1, 11, 12, 13, 14), wherein the hole (6) leads axially in the same direction as the centre axis (5) through the securing element (1, 11, 12, 13, 14) and, at radial narrowest hole cross sections of the hole (6), is bounded at least by end edges (7, 71, 72, 73, 74) formed on the end sides of the holding tongues (4, 41, 42, 43, 44).
    Type: Application
    Filed: August 1, 2011
    Publication date: August 7, 2014
    Applicant: Schaeffler Technologies GmbH & Co. KG
    Inventors: Herbert Erhardt, Richard Baier, Jochen Ott, Rainer Lutz, Anton Erhardt, Peter Loncar, Reinhold Nuetzel
  • Publication number: 20140157938
    Abstract: A steering column with a steering-column tube, a steering spindle and at least one steering bearing for the rotatable mounting of the steering spindle in the steering-column tube, the steering bearing having an outer ring sitting in the steering-column tube, an inner ring and rolling bodies arranged between the outer ring and a track section of the inner ring, wherein the inner ring bears against the steering spindle at only two points and, for this purpose, has a first section which axially adjoins the track section and bears under prestress against the steering spindle at the first point, and a second section which is axially spaced apart from the first section, which axially adjoins the track section, and which has a first end of the inner ring in interaction with the steering spindle at the second point.
    Type: Application
    Filed: August 1, 2011
    Publication date: June 12, 2014
    Applicant: Schaeffler Technologies GmbH & Co. KG
    Inventor: Herbert Erhardt
  • Publication number: 20060170799
    Abstract: An image sensor comprising a plurality of pixels arranged in at least two sub-arrays; first and second delay areas respectively connected to each sub-array for respectively receiving charge from the sub-array; wherein a pitch of the first delay area is different from the second delay area and at least two readout mechanisms for respectively receiving the charge from the delay areas, wherein a same line from the first and second sub-arrays is received by each delay area at substantially the same time.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 3, 2006
    Inventors: Eric Meisenzahl, Herbert Erhardt
  • Publication number: 20050269706
    Abstract: An integrated circuit includes a substrate; a sealing element spanning a periphery of the substrate that forms a protective boundary for the substrate; a plurality of copper lines spanning the substrate in at least two distinct layers contained within the protective boundary; a first conducting element disposed outside the sealing element; and one or more second conducting elements connecting at least two of the copper lines and that spans the sealing element; wherein the conducting elements are substantially non-oxidizing metals that are resistant to oxidization and that connect the copper line to the first conducting element.
    Type: Application
    Filed: February 2, 2005
    Publication date: December 8, 2005
    Inventors: Liang Tan, Herbert Erhardt
  • Patent number: 6948728
    Abstract: A suspension strut used in a wheel suspension of an automotive vehicle, includes a shock absorber, a suspension strut bearing, and a coil spring at least partially coaxially surrounding the shock absorber and having one spring end supported by the shock absorber. The suspension strut bearing includes two plastic carrier elements, and a roller bearing positioned between the carrier elements. One carrier element is a guide ring connected to a vehicle body of the vehicle, and the other carrier element is a single-piece housing having incorporated therein plural hollow chambers in partial concentric surrounding relationship to the shock absorber and formed with a guide collar and a support surface for supporting the other end of the coil spring. The guide ring has a radially inner collar and a radially outer collar which together receive the roller bearing and extend at least beyond a midsection of the roller bearing.
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: September 27, 2005
    Assignee: INA-Schaeffler KG
    Inventors: Wolfgang Pflügner, Alexander Zernickel, Herbert Erhardt, Jürgen Weiss
  • Publication number: 20050088552
    Abstract: An image sensor includes a plurality of photosensitive sites which convert incident light into a charge for forming a bounded array of active imaging pixels; one or more substitutional pixels sites arranged in predetermined locations and interspersed amongst the boundary of the array of active imaging pixels; wherein the substitutional pixels are of a different design from the active imaging pixels which provides data, information or function different from the active pixels for improving performance, operation, manufacture, and/or assembly of the image sensor.
    Type: Application
    Filed: October 22, 2003
    Publication date: April 28, 2005
    Inventors: Herbert Erhardt, David Nichols
  • Publication number: 20050057672
    Abstract: An image sensor includes at least first and second photo-sensitive regions; a color filter array having at least two different colors that selectively absorb specific bands of wavelengths, and the two colors respectively span portions of predetermined photo-sensitive regions; and wherein the two photo sensitive regions are doped so that electrons that are released at two different depths in the substrate are collected in two separate regions of the photo sensitive regions so that, when wavelengths of light pass through the color filter array, light is absorbed by the photo sensitive regions which photo sensitive regions consequently releases electrons at two different depths of the photo sensitive regions and are stored in first and second separate regions; at least two charge-coupled devices adjacent the first photo sensitive regions; and a first transfer gate associated with the first photo sensitive region that selectively passes charge at first and second levels which, when at the first level, causes the
    Type: Application
    Filed: September 17, 2003
    Publication date: March 17, 2005
    Inventors: Joseph Summa, Herbert Erhardt
  • Patent number: 6846110
    Abstract: A play-free radial ball bearing, includes an inner bearing ring and two outer bearing rings which are disposed in spaced-apart relationship and define a common raceway. A spring element applies an axial force on one of the outer bearing rings to thereby press the outer bearing rings resiliently against one another. The outer bearing rings and the spring element are surrounded by a tolerance ring which is made of plastic material to provide a structural unit, whereby the tolerance ring has a shoulder on one end for radially surrounding the spring element and at least one retaining lug on another end for radially surrounding the other one of the outer bearing rings.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: January 25, 2005
    Assignee: INA-Schaeffler KG
    Inventors: Rainer Lutz, Alexander Zernickel, Herbert Erhardt, Reinhold Nützel
  • Publication number: 20030012473
    Abstract: A play-free radial ball bearing, includes an inner bearing ring and two outer bearing rings which are disposed in spaced-apart relationship and define a common raceway. A spring element applies an axial force on one of the outer bearing rings to thereby press the outer bearing rings resiliently against one another. The outer bearing rings and the spring element are surrounded by a tolerance ring which is made of plastic material to provide a structural unit, whereby the tolerance ring has a shoulder on one end for radially surrounding the spring element and at least one retaining lug on another end for radially surrounding the other one of the outer bearing rings.
    Type: Application
    Filed: July 3, 2002
    Publication date: January 16, 2003
    Applicant: INA-SCHAEFFLER KG,
    Inventors: Rainer Lutz, Alexander Zernickel, Herbert Erhardt, Reinhold Nutzel
  • Publication number: 20030002764
    Abstract: A suspension strut used in a wheel suspension of an automotive vehicle, includes a shock absorber, a suspension strut bearing, and a coil spring at least partially coaxially surrounding the shock absorber and having one spring end supported by the shock absorber. The suspension strut bearing includes two plastic carrier elements, and a roller bearing positioned between the carrier elements. One carrier element is a guide ring connected to a vehicle body of the vehicle, and the other carrier element is a single-piece housing having incorporated therein plural hollow chambers in partial concentric surrounding relationship to the shock absorber and formed with a guide collar and a support surface for supporting the other end of the coil spring. The guide ring has a radially inner collar and a radially outer collar which together receive the roller bearing and extend at least beyond a midsection of the roller bearing.
    Type: Application
    Filed: June 17, 2002
    Publication date: January 2, 2003
    Applicant: INA-SCHAEFFLER KG
    Inventors: Wolfgang Pflugner, Alexander Zernickel, Herbert Erhardt, Jurgen Weiss
  • Publication number: 20020113353
    Abstract: A coil spring (1) and support bearing (2) arrangement for suspension struts 3 with a shock absorber, supporting a steering knuckle of an automobile has a rolling-contact bearing (7), with an axis (x); a receiving body (6), arranged below the rolling-contact bearing (7) in which the rolling-contact bearing is inserted; and a coil spring (1). The coil spring (1) has a force application line (f), which is offset relative to the axis (x) of the rolling-contact bearing (7) at an angle (a). The coil spring (1) has a first portion (8), which, starting from the winding end (17), winds around the receiving body (6). The first portion (8) abuts the receiving body (6). The winding end (17) of the coil spring (1) is arranged in the area of the plane E1 formed by the force application line (f) and the axis (x).
    Type: Application
    Filed: March 15, 2002
    Publication date: August 22, 2002
    Inventors: Herbert Erhardt, Ulrich Grau, Gerhard Meyer, Alexander Zernickel, Vladimir Kobelev, Markus Rohling
  • Patent number: 6257605
    Abstract: The invention concerns a suspension strut (1) for automotive vehicles comprising a shock absorber (20) to which a coil spring (21) is associated, the suspension strut (1) being connected to a steering knuckle (5) and a vehicle body (4) at articulation points (2, 3), the upper articulation point (2) comprising a bearing (6) which is associated to carrier elements (10, 11). According to the invention, the bearing (6) comprises bearing rings (7, 8) which are supported directly on carrier elements (10, 11) and centered on radially spaced rims (12, 13), the carrier elements (10, 11) being made of different materials.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: July 10, 2001
    Assignee: Ina Walzlager Schaeffler oHG
    Inventors: Alexander Zernickel, Herbert Erhardt
  • Patent number: 6227715
    Abstract: A bearing assembly includes a rolling bearing, having an inner ring, an outer ring, rolling bodies arranged between the inner ring and the outer ring, and a clamping ring, for supporting a steering shaft and a further bearing, for supporting a steering shaft. The rolling bearing is further provided with a pre-tensioning element for axially loading the rolling bearing and the further bearing relative to one another, and a support element for axially supporting the steering shaft are further provided, with the outer ring circumscribing at least one of the pre-tensioning element and the support element at radial and axial distances to an inner surface area of the outer ring. A retention member holds the at least one of the pre-tensioning element and the support element in axial direction, to form an assembly unit, with the pre-tensioning element and the support element being integrated in the outer ring.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: May 8, 2001
    Assignee: Ina Wälzlager Schaeffler Ohg
    Inventors: Herbert Erhardt, Dirk Kidzun
  • Patent number: 5839835
    Abstract: A self-aligning ball bearing for steering shafts (7) of automotive vehicles having an elastic convexity (8) deviating from the circular shape and arranged in at least one peripheral section of at least one of the raceways (2, 4), preferably of the outer raceway (2), so that two adjacent bearing balls (5) are radially prestressed between the raceway convexity (8) and the facing raceway.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: November 24, 1998
    Assignee: Ina Walzlager Schaeffler KG
    Inventors: Alexander Zernickel, Herbert Erhardt, Rainer Lutz