Patents by Inventor Vladimir Kobelev
Vladimir Kobelev 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).
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Patent number: 11946510Abstract: A shaft assembly comprises: a hollow shaft with an axis of rotation, and a hub body connected to the hub body in a force-locking manner, wherein the hollow shaft comprises, viewed in cross-section, a circumferentially closed wall with a plurality of circumferentially distributed support portions in abutting contact with the hub body and with spring portions spaced from an inner circumferential face of the hub body, wherein inner surface regions of the spring portions lie on a smaller radius around the axis of rotation than inner face regions of the support portions, wherein the wall comprises a varying thickness over the circumference, wherein the thickness in the support portions is smaller than in the spring portions.Type: GrantFiled: September 13, 2019Date of Patent: April 2, 2024Assignee: Muhr und Bender KGInventors: Benjamin Dönges, Stefan Buchkremer, Maximilian Rolfes, Vladimir Kobelev
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Publication number: 20220034367Abstract: A shaft assembly comprises: a hollow shaft with an axis of rotation, and a hub body connected to the hub body in a force-locking manner, wherein the hollow shaft comprises, viewed in cross-section, a circumferentially closed wall with a plurality of circumferentially distributed support portions in abutting contact with the hub body and with spring portions spaced from an inner circumferential face of the hub body, wherein inner surface regions of the spring portions lie on a smaller radius around the axis of rotation than inner face regions of the support portions, wherein the wall comprises a varying thickness over the circumference, wherein the thickness in the support portions is smaller than in the spring portions.Type: ApplicationFiled: September 13, 2019Publication date: February 3, 2022Inventors: Benjamin Dönges, Stefan Buchkremer, Maximilian Rolfes, Vladimir Kobelev
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Publication number: 20200010922Abstract: The invention relates to the field of producing iron-ore pellets for blast-furnace smelting. In a first variant, a charge contains iron-ore concentrate and manganese limestone as a binding agent and flux, the ratio of charge components in wt % being as follows: 1.0-5.0 manganese limestone; and the balance iron-ore concentrate. In a second variant, the charge contains iron-ore concentrate, bauxite as a modifying agent, and manganese limestone as a binding agent and flux, the ratio of charge components in wt % being as follows: 1.0-3.5 manganese limestone; 1.2-1.5 modifying additive; and the balance iron-ore concentrate. The invention increases the strength of green and sintered pellets while preserving a high iron content, reduces the softening-melting interval of the pellets in a blast furnace, and simplifies the production of iron-ore pellets.Type: ApplicationFiled: July 17, 2019Publication date: January 9, 2020Inventors: Vladimir A. KOBELEV, Georgij A. NECHKIN, Mihail V. MAMAEV, Aleksej V. LYSENKO, Igor P. BELIKOV
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Patent number: 9868330Abstract: A leaf spring assembly for a wheel suspension of a motor vehicle comprises a leaf spring of fibre-reinforced plastics for resiliently supporting a wheel carrier of the motor vehicle. The leaf spring comprises a first end portion, a spring portion, a bendable portion and a second end portion. The leaf spring further comprises a first receiving device for supporting the first end portion and a second receiving device for supporting a second end portion. The first receiving device and the second receiving device are designed such that the first end portion and the second end portion are held in a non-displaceable way relative to one another. At least one of the first and second receiving devices are designed such that the respective associated end portion is supported in a moment-free way in the receiving device.Type: GrantFiled: July 23, 2014Date of Patent: January 16, 2018Assignee: Muhr und Bender KGInventors: Christoph Hahn, Rainer Forster, Vladimir Kobelev, David Muller, Lutz Manke
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Publication number: 20160159181Abstract: A leaf spring assembly for a wheel suspension of a motor vehicle comprises a leaf spring of fibre-reinforced plastics for resiliently supporting a wheel carrier of the motor vehicle. The leaf spring comprises a first end portion, a spring portion, a bendable portion and a second end portion . The leaf spring further comprises a first receiving device for supporting the first end portion and a second receiving device for supporting a second end portion. The first receiving device and the second receiving device are designed such that the first end portion and the second end portion are held in a non-displaceable way relative to one another. At least one of the first and second receiving devices are designed such that the respective associated end portion is supported in a moment-free way in the receiving device.Type: ApplicationFiled: July 23, 2014Publication date: June 9, 2016Inventors: Christoph Hahn, Rainer Forster, Vladimir Kobelev, David Muller, Lutz Manke
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Patent number: 7815510Abstract: A driving disc with a hub and a disc rim which are rotatably supported inside one another, with at least two wound wire springs which are mounted substantially coaxially relative to the hub and disc rim and whose one end is secured in the direction of rotation relative to the hub and whose respective other end is secured in the direction or rotation relative to the disc rim.Type: GrantFiled: August 31, 2006Date of Patent: October 19, 2010Assignee: Muhr und Bender KGInventors: Jochen Asbeck, Michael Schebitz, Vladimir Kobelev, Stefan Schattenberg
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Patent number: 7793857Abstract: The invention relates to fixing means for fixing railway lines to sleepers or stretches of track, comprising an elastic rail clip (51) and a clip anchor element (31). According to the invention, the elastic rail clip (51) has retaining elements that can be inserted into the clip anchor element (31) and guided into the latter by being rotated about a rotational axis (D) and at least one pressure bow (52), which can be brought into pre-tensioned contact with the foot (24) of a railway line (21), when the elastic rail clip is rotated (51) about the rotational axis (D) in relation to the clip anchor element (31). The elastic rail clip (51) has essentially annular clip bows (55, 56) that act as the retaining elements and the clip anchor element (31) has guide elements (34) that are concentric with the rotational axis (D).Type: GrantFiled: November 7, 2006Date of Patent: September 14, 2010Assignee: DB Netz AGInventors: Karsten Westerhoff, Jörg Brecht, Erik Danneberg, Andreas Rinsdorf, Bernfried Hesselmann, Vladimir Kobelev, Michael Stahl
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Publication number: 20090200721Abstract: A band spring including fiber composite material and extending in an undulating way, wherein a spring band can be provided to meander in the form of one single wave train composed of reversal regions and intermediate portions around a longitudinal center line L which can substantially correspond to the direction of force introduction K, and wherein, there can be provided an increased resistance moment of the spring band in the reversal regions of the wave train.Type: ApplicationFiled: January 28, 2009Publication date: August 13, 2009Inventors: Vladimir Kobelev, Karsten Westerhoff, Jorg Neubrand, Robert Brandt, Jorg Dieter Brecht
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Patent number: 7566046Abstract: A spring plate for a valve spring of an internal combustion engine, which spring plate can be connected directly to the valve stem of a charge changing valve while engaging an annular groove in the valve stem. An annular disc is arranged on the valve spring and two supporting tongues which are directed radially inwardly from the annular disc and whose inner ends, in a plan view of the spring plate, comprise recesses for engaging an annular groove.Type: GrantFiled: June 30, 2006Date of Patent: July 28, 2009Assignee: Muhr und Bender KGInventors: Thomas Muhr, Jochen Asbeck, Vladimir Kobelev, Karsten Westerhoff, Jörg Dieter Brecht, Andreas Hees
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Publication number: 20090152369Abstract: The invention relates to fixing means for fixing railway lines to sleepers or stretches of track, comprising an elastic rail clip (51) and a clip anchor element (31). According to the invention, the elastic rail clip (51) has retaining elements that can be inserted into the clip anchor element (31) and guided into the latter by being rotated about a rotational axis (D) and at least one pressure bow (52), which can be brought into pre-tensioned contact with the foot (24) of a railway line (21), when the elastic rail clip is rotated (51) about the rotational axis (D) in relation to the clip anchor element (31). The elastic rail clip (51) has essentially annular clip bows (55, 56) that act as the retaining elements and the clip anchor element (31) has guide elements (34) that are concentric with the rotational axis (D).Type: ApplicationFiled: November 7, 2006Publication date: June 18, 2009Inventors: Karsten Westerhoff, Jorg Brecht, Erik Danneberg, Andreas Rinsdorf, Bernfried Hesselmann, Vladimir Kobelev, Michael Stahl
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Publication number: 20080274847Abstract: A belt tensioning device for a continuous belt drive. The device includes a torsion spring assembly (20) with a longitudinal axis (A2) and with at least one torsion bar or torsion tube (32). The torsion spring assembly (20) can be clamped axially and in a rotationally fixed way into a rack. A tensioning arm (19), at one end, is arranged at the torsion spring assembly (20) so as to be aligned approximately radially relative to the longitudinal axis (A2). A tensioning roller (15) is rotatably fixed at the other end of the tensioning arm (19). The axis of rotation (A1) of the tensioning roller (15) extends substantially parallel relative to the longitudinal axis (A2) of the torsion spring assembly (20), and the tensioning arm (19) can be resiliently supported relative to the rack so as to oscillate around the longitudinal axis (A2).Type: ApplicationFiled: May 5, 2008Publication date: November 6, 2008Inventors: Heinz Lemberger, Rudolf Berger, Manfred Jung, Vladimir Kobelev
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Patent number: 7367908Abstract: A belt tensioning device for a continuous belt drive. The device includes a torsion spring assembly (20) with a longitudinal axis (A2) and with at least one torsion bar or torsion tube (32). The torsion spring assembly (20) can be clamped axially and in a rotationally fast way into a rack. A tensioning arm (19), at one end, is arranged at the torsion spring assembly (20) so as to be aligned approximately radially relative to the longitudinal axis (A2). A tensioning roller (15) is rotatably fixed at the other end of the tensioning arm (19). The axis of rotation (A1) of the tensioning roller (15) extends substantially parallel relative to the longitudinal axis (A2) of the torsion spring assembly (20), and the tensioning arm (19) can be resiliently supported relative to the rack so as to oscillate around the longitudinal axis (A2).Type: GrantFiled: January 10, 2004Date of Patent: May 6, 2008Assignee: Muhr Und Bender KGInventors: Heinz Lemberger, Rudolf Berger, Manfred Jung, Vladimir Kobelev
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Patent number: 7334784Abstract: Axial corrugated spring comprising an annular spring band 11 which describes a corrugation line oscillating about a radial reference plane around the circumference, wherein the corrugation line has maxima 12, 13, 17 of different height and minima 14, 15, 16 of different height.Type: GrantFiled: May 14, 2004Date of Patent: February 26, 2008Assignee: Muhr und Bender KGInventors: Vladimir Kobelev, Bernfried Hesselmann, Andreas Rinsdorf
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Publication number: 20070221459Abstract: A spring strut tube assembly having an outer container tube, or tubular member and a spring plate. One end of the tube can be closed by a bottom part and the other end of the tube can comprise an aperture and a slid-on spring plate. The tubular member can be produced from a flexibly rolled flat material whose wall thickness is variable in the longitudinal direction. The tube is formed in a direction transverse to the longitudinal direction, and can be welded in the longitudinal direction.Type: ApplicationFiled: March 12, 2007Publication date: September 27, 2007Inventors: Vladimir Kobelev, Andreas Hauger, Jorge Brecht, Klaus Stretz, Manfred Schuler
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Publication number: 20070060395Abstract: A driving disc with a hub and a disc rim which are rotatably supported inside one another, with at least two wound wire springs which are mounted substantially coaxially relative to the hub and disc rim and whose one end is secured in the direction of rotation relative to the hub and whose respective other end is secured in the direction or rotation relative to the disc rim.Type: ApplicationFiled: August 31, 2006Publication date: March 15, 2007Inventors: Jochen Asbeck, Michael Schebitz, Vladimir Kobelev, Stefan Schattenberg
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Publication number: 20070060400Abstract: A decoupling device for a driving disc which, for torque transmitting purposes, is connected to a driveshaft via a torsion spring, wherein the end of the driveshaft is provided in the form of a hollow shaft, wherein the torsion spring is bar-shaped and by means of one end is secured in a rotationally fast way in the driveshaft and by means of the other end is secured at the driving disc, and wherein a bearing sleeve is freely rotatably supported relative to the free end of the hollow shaft is firmly connected to the driving disc.Type: ApplicationFiled: August 8, 2006Publication date: March 15, 2007Inventor: Vladimir Kobelev
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Publication number: 20070021253Abstract: A belt tensioning device fixable to a unit has a torsion spring assembly. A housing is provided with a longitudinal axis A and a torsion spring is positioned in the housing so as to extend coaxially relative to the longitudinal axis A. One of the ends of the torsion spring is secured to the housing in a rotationally fixed way. A tensioning arm is supported relative to the housing so as to be oscillatingly rotatable around the longitudinal axis A. The tensioning arm is connected to the other end of the torsion spring in a rotationally fixed way. A tensioning roller is supported at a free end of the tensioning arm supported so as to be rotatable around an axis of rotation B extending parallel relative to the longitudinal axis A. The housing has a flange for being fixed to the unit, whose flange plane is passed through by the longitudinal axis A.Type: ApplicationFiled: June 26, 2006Publication date: January 25, 2007Inventors: Vladimir Kobelev, Manfred Jung, Rudolf Berger
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Publication number: 20070017474Abstract: A spring plate for a valve spring of an internal combustion engine, which spring plate can be connected directly to the valve stem of a charge changing valve while engaging an annular groove in the valve stem. An annular disc 12 is arranged on the valve spring and two supporting tongues which are directed radially inwardly from the annular disc and whose inner ends, in a plan view of the spring plate, comprise recesses for engaging an annular groove.Type: ApplicationFiled: June 30, 2006Publication date: January 25, 2007Inventors: Thomas Muhr, Jochen Asbeck, Vladimir Kobelev, Karsten Westerhoff, Jorg Brecht, Andreas Hees
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Publication number: 20070007485Abstract: A spring plate for a valve spring of an internal combustion engine, which spring plate can be connected directly to the valve stem of a charge changing valve while engaging an annular groove in the valve stem. An annular disc is arranged on the valve spring and two supporting tongues which are directed radially inwardly from the annular disc and whose inner ends, in a plan view of the spring plate, comprise recesses for engaging an annular groove.Type: ApplicationFiled: June 30, 2006Publication date: January 11, 2007Inventors: Thomas Muhr, Jochen Asbeck, Vladimir Kobelev, Karsten Westerhoff, Jorg Brecht, Andreas Hees
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Publication number: 20070010361Abstract: A belt tensioning device has a torsion spring assembly and a damping assembly with a housing with a longitudinal axis A. A torsion spring is positioned in the housing so as to extend coaxially relative to the longitudinal axis A and which, by means of one of its ends, is secured in the housing in a rotationally fixed way. A tensioning arm is supported relative to the housing so as to be oscillatingly rotatable around the longitudinal axis A and is connected to the other end of the torsion spring in a rotationally fixed way. A tensioning roller is supported at a free end of the tensioning arm so as to be rotatable around an axis of rotation B and extending parallel relative to the longitudinal axis A. The damping assembly surrounds the housing coaxially relative to the longitudinal axis A and comprises cylindrical friction face pairs.Type: ApplicationFiled: June 26, 2006Publication date: January 11, 2007Inventors: Vladimir Kobelev, Manfred Jung, Rudolf Berger