Patents by Inventor Rüdiger Kleinschmidt
Rüdiger Kleinschmidt 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: 11982285Abstract: The invention relates to a compressor (20) for generating a compressed air flow for a fuel cell (10), having a compressor element (21), in particular a compressor wheel, wherein the compressor element (21) is coupled in a to a drive shaft (23) for co-rotation, the drive shaft (23) being driven by a motor (22), in particular an electric motor, wherein at least one hydrodynamic or hydrostatic bearing (24, 25) is used to mount the shaft (23) in a rotatable manner, wherein the plain bearing (24, 25) is connected to a lubricant supply means (30), which is used to supply a lubricant for hydrodynamic or hydrostatic pressure generation to the plain bearing (24, 25), wherein the lubricant is water or a fluid mixture, predominantly comprising water, wherein the plain bearing (24, 25) has a lubricant inlet and a lubricant outlet, wherein the lubricant can be routed to the plain bearing (24, 25) via the lubricant inlet and the lubricant can be discharged from the plain bearing (24, 25) via the lubricant outlet, and whereType: GrantFiled: February 4, 2021Date of Patent: May 14, 2024Assignee: BMTS Technology GmbH &Co. KGInventors: Steffen Schmitt, Frieder Stetter, Oliver Kuhne, Rüdiger Kleinschmidt, Gunter Winkler
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Publication number: 20230146415Abstract: The invention relates to a compressor (20) for generating a compressed air flow for a fuel cell (10), having a compressor element (21), in particular a compressor wheel, wherein the compressor element (21) is coupled in a to a drive shaft (23) for co-rotation, the drive shaft (23) being driven by a motor (22), in particular an electric motor, wherein at least one hydrodynamic or hydrostatic bearing (24, 25) is used to mount the shaft (23) in a rotatable manner, wherein the plain bearing (24, 25) is connected to a lubricant supply means (30), which is used to supply a lubricant for hydrodynamic or hydrostatic pressure generation to the plain bearing (24, 25), wherein the lubricant is water or a fluid mixture, predominantly comprising water, wherein the plain bearing (24, 25) has a lubricant inlet and a lubricant outlet, wherein the lubricant can be routed to the plain bearing (24, 25) via the lubricant inlet and the lubricant can be discharged from the plain bearing (24, 25) via the lubricant outlet, and whereType: ApplicationFiled: February 4, 2021Publication date: May 11, 2023Inventors: Steffen Schmitt, Frieder Stetter, Oliver Kuhne, Rüdiger Kleinschmidt, Gunter Winkler
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Patent number: 11629614Abstract: An exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing, comprising a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface (17.1, 17.2, 17.3) of the rotor (10) and a counter-surface of the counter-bearing part (50) face each other to form a hydrodynamic plain bearing, wherein the rotor bearing surface and/or the counterface, when cut along and through the axis of rotation (R) in sectional view, form(s) a continuous bearing contour forming at least two contour sections (44.1 to 44.3; 53.1 to 53.3) to provide hydrodynamic load capacities in both radial and axial directions, and wherein the counter-bearing part (50) is mounted in a bearing housing (60) or housing part.Type: GrantFiled: November 22, 2019Date of Patent: April 18, 2023Inventors: Martin Berger, Rüdiger Kleinschmidt, Frieder Stetter, Oliver Kuhne, Steffen Schmitt
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Patent number: 11549397Abstract: The invention relates to an exhaust gas turbocharger having a fluid dynamic bearing having a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface of the rotor (10) and a counterface of the counter-bearing part (50) face each other, to form a fluid dynamic bearing, wherein the rotor bearing surface and/or the counterface form(s) a continuous bearing contour when cut longitudinally and through the axis of rotation (R) in sectional view, which bearing contour(s) are formed of at least two contour sections (44.1 to 44.3; 53.1 to 53.3) to generate fluid dynamic load capacities in both the radial and the axial directions, wherein the bearing surface of the rotor (10) is formed by a rotor part (40), which is connected to a rotor shaft (11) and is secured on the rotor shaft (11), and wherein the rotor part (40) is supported relative to the rotor shaft (11) in the area of a support section (14) of the rotor shaft (11).Type: GrantFiled: November 22, 2019Date of Patent: January 10, 2023Inventors: Martin Berger, Rüdiger Kleinschmidt, Frieder Stetter, Oliver Kuhne, Steffen Schmitt
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Publication number: 20220275750Abstract: The invention relates to a gas compressor 10, in particular a turbocharger, having a rotatably mounted compressor wheel which is arranged at least partially in a compressor housing, the compressor housing having a gas routing area, for guiding a gas stream compressed by means of the compressor wheel, wherein an electric motor is provided, which has a motor rotor and a motor stator and which is mounted at least sectionally in a mounting area of a motor housing. In order to ensure permanently reliable operation in such a gas compressor 10 in a simple manner, it is provided in accordance with the invention that a gas pressure generator is provided, which is connected to the mounting area of the motor housing (20) in an air-conveying manner via at least one gas pressure line (70).Type: ApplicationFiled: February 24, 2022Publication date: September 1, 2022Inventors: Sebastian Beyerlein, Rüdiger Kleinschmidt, Steffen Schmitt, Oliver Kuhne, Philipp Blasch
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Publication number: 20220120193Abstract: The invention relates to an exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing, comprising a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface of the rotor (10) and a counterface of the counter-bearing part (50) face each other to form the hydrodynamic plain bearing in the form of a combined journal—thrust bearing, having a continuous hydrodynamically load bearing gap formed between the rotor bearing surface and the counterface, wherein the rotor bearing surface and/or the counterface, when cut longitudinally and through the axis of rotation (R) in sectional view, form(s) a bearing contour forming merging contour sections (17.1 to 17.3; 44.1 to 44.3; 53.1 to 53.3) to generate hydrodynamic load capacities in both the radial and the axial direction, wherein a contour section (17.3; 44.3; 53.Type: ApplicationFiled: November 22, 2019Publication date: April 21, 2022Inventors: Martin Berger, Rüdiger Kleinschmidt, Frieder Stetter, Oliver Kuhne, Steffen Schmitt
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Publication number: 20220065132Abstract: The invention relates to an exhaust gas turbocharger having a fluid dynamic bearing having a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface of the rotor (10) and a counterface of the counter-bearing part (50) face each other, to form a fluid dynamic bearing, wherein the rotor bearing surface and/or the counterface form(s) a continuous bearing contour when cut longitudinally and through the axis of rotation (R) in sectional view, which bearing contour(s) are formed of at least two contour sections (44.1 to 44.3; 53.1 to 53.3) to generate fluid dynamic load capacities in both the radial and the axial directions, wherein the bearing surface of the rotor (10) is formed by a rotor part (40), which is connected to a rotor shaft (11) and is secured on the rotor shaft (11), and wherein the rotor part (40) is supported relative to the rotor shaft (11) in the area of a support section (14) of the rotor shaft (11).Type: ApplicationFiled: November 22, 2019Publication date: March 3, 2022Inventors: Martin Berger, Rüdiger Kleinschmidt, Frieder Stetter, Oliver Kuhne, Steffen Schmitt
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Patent number: 11199220Abstract: The invention relates to an exhaust-gas-driven turbocharger having a hydrodynamic plain bearing having a rotor and a stator, the rotor being rotatable with respect to the stator, the rotor bearing surface being located opposite a counter-surface of the stator in order to generate hydrodynamic pressure in the region of a converging gap. In such a hydrodynamic plain bearing, the application properties can be improved by the fact that the rotor bearing surface and/or the counter-surface constitutes in a section view, in the context of a section along and through the rotation axis, a continuous bearing contour that is constituted from convex or concave curvatures and/or from at least two contour segments that are embodied as straight lines and/or curvatures. The invention also relates to a hydrodynamic plain bearing or bearing arrangement having such a plain bearing.Type: GrantFiled: April 30, 2020Date of Patent: December 14, 2021Inventors: Martin Berger, Rüdiger Kleinschmidt, Martin Kropp, Jörg Jennes
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Publication number: 20210310372Abstract: An exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing, comprising a rotor (10) and a counter-bearing part (50) assigned to the rotor (10), wherein a rotor bearing surface (17.1, 17.2, 17.3) of the rotor (10) and a counter-surface of the counter-bearing part (50) face each other to form a hydrodynamic plain bearing, wherein the rotor bearing surface and/or the counterface, when cut along and through the axis of rotation (R) in sectional view, form(s) a continuous bearing contour forming at least two contour sections (44.1 to 44.3; 53.1 to 53.3) to provide hydrodynamic load capacities in both radial and axial directions, and wherein the counter-bearing part (50) is mounted in a bearing housing (60) or housing part.Type: ApplicationFiled: November 22, 2019Publication date: October 7, 2021Inventors: Martin Berger, Rüdiger Kleinschmidt, Frieder Stetter, Oliver Kuhne, Steffen Schmitt
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Patent number: 10816036Abstract: A bearing bushing for a charging device may include an inner jacket surface including at least two radial depressions. A respective lowest point of the at least two radial depressions may be disposed on a circle having a radius R1. A plurality of plateau surfaces may be disposed circumferentially between the at least two radial depressions and may be offset radially towards an inside of the bearing bushing. The plateau surfaces may be curved and may have a constant radius R2. A ratio between the radius R1 and the radius R2 may correspond to the relationship: R1/R2=1.001 to 1.015.Type: GrantFiled: December 4, 2017Date of Patent: October 27, 2020Assignee: BMTS Technology GmbH & Co. KGInventors: Ruediger Kleinschmidt, Oliver Kuhne, Steffen Schmitt, Frieder Stetter
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Publication number: 20200256380Abstract: The invention relates to an exhaust-gas-driven turbocharger having a hydrodynamic plain bearing having a rotor and a stator, the rotor being rotatable with respect to the stator, the rotor bearing surface being located opposite a counter-surface of the stator in order to generate hydrodynamic pressure in the region of a converging gap. In such a hydrodynamic plain bearing, the application properties can be improved by the fact that the rotor bearing surface and/or the counter-surface constitutes in a section view, in the context of a section along and through the rotation axis, a continuous bearing contour that is constituted from convex or concave curvatures and/or from at least two contour segments that are embodied as straight lines and/or curvatures. The invention also relates to a hydrodynamic plain bearing or bearing arrangement having such a plain bearing.Type: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Inventors: Martin Berger, Rüdiger Kleinschmidt, Martin Kropp, Jörg Jennes
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Patent number: 10724433Abstract: A supercharger for a motor vehicle engine may include a bearing device for mounting a shaft in a hub of a bearing housing. The bearing device may be configured to mount the shaft between a turbine wheel and a compressor wheel of the shaft via a bearing bush that may be floatingly mounted to the shaft within the hub in a closely delimited manner relative to the hub and the shaft. The bearing bush may be securely positioned by a pin that engages into the bearing bush radially from the hub. The pin may include a first part rotatably mounted in the bearing housing and a second part engaging in a recess of the bearing bush. An axis of the first part and an axis of the second part may run parallel to one another. The bearing bush and the pin may be connected via a ball joint connection.Type: GrantFiled: December 20, 2017Date of Patent: July 28, 2020Assignee: BMTS TECHNOLOGY GMBH & CO. KGInventors: Michal Klusacek, Ruediger Kleinschmidt
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Patent number: 10670071Abstract: The invention relates to an exhaust-gas-driven turbocharger having a hydrodynamic plain bearing having a rotor and a stator, the rotor being rotatable with respect to the stator, the rotor bearing surface being located opposite a counter-surface of the stator in order to generate hydrodynamic pressure in the region of a converging gap. In such a hydrodynamic plain bearing, the application properties can be improved by the fact that the rotor bearing surface and/or the counter-surface constitutes in a section view, in the context of a section along and through the rotation axis, a continuous bearing contour that is constituted from convex or concave curvatures and/or from at least two contour segments that are embodied as straight lines and/or curvatures. The invention also relates to a hydrodynamic plain bearing or bearing arrangement having such a plain bearing.Type: GrantFiled: March 18, 2015Date of Patent: June 2, 2020Assignee: BMTS Technology GmbH & Co. KGInventors: Martin Berger, Rüdiger Kleinschmidt, Martin Kropp, Jörg Jennes
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Patent number: 10598213Abstract: An axial bearing may include a body having a disk-form configuration, a centrally disposed passage opening extending axially into the body structured to receive a shaft, and at least one circular segmental oil pocket opening towards the passage opening. The at least one oil pocket, in both circumferential directions relative to the body, may transition into a plateau surface section directly adjoining the at least one oil pocket.Type: GrantFiled: February 5, 2019Date of Patent: March 24, 2020Assignee: BMTS Technology GmbH & Co. KGInventors: Steffen Schmitt, Ruediger Kleinschmidt, Steffen Heinemann, Oliver Kuhne
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Patent number: 10508564Abstract: A bearing housing for an exhaust gas turbocharger may include a bearing housing cover arranged on a bearing housing wall. The bearing housing cover may include a penetrating rotation-symmetrical sealing recess with a centre axis and may have a locating surface facing the bearing housing wall and radially extending from the centre axis. The bearing housing may include a sealing bush arranged in at least one region of the sealing recess. The sealing bush may have a stop surface arranged opposite the locating surface and may include a penetrating shaft recess disposed rotation-symmetrical relative to the centre axis. The bearing housing cover may further include an at least partly circulating groove disposed on the locating surface radially spaced from the centre axis. The groove may include a drainage region arranged below the centre axis and extending from the centre axis radially to an outside.Type: GrantFiled: February 19, 2018Date of Patent: December 17, 2019Assignee: BMTS TECHNOLOGY GMBH & CO.Inventors: Fabian Haslinger, Simon Henzler, Ruediger Kleinschmidt, Oliver Kuhne, Steffen Schmitt, Frieder Stetter
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Patent number: 10393169Abstract: A hydrodynamic plain bearing having a stator and a rotor rotatable with respect to the stator, a rotor bearing surface being located opposite a counter-surface of the stator in order to generate hydrodynamic pressure. The rotor bearing surface and/or the counter-surface constitutes in a section view, in the context of a section along and through the rotation axis, a continuous bearing contour that is constituted from at least two contour segments. The contour segments are suitable for generating hydrodynamic load capacity in a radial and axial direction. The contour segments are led into one another, by at least one transition segment, in such a way that hydrodynamic load capacity is generatable via the contour segments and the transition segment. The plain bearing is embodied as a multiple-surface plain bearing having two or more lubrication wedges in the region of the contour segments and of the transition segment.Type: GrantFiled: August 16, 2017Date of Patent: August 27, 2019Assignee: BMTS Technology GmbH & Co. KGInventors: Ruediger Kleinschmidt, Frieder Stetter, Steffen Schmitt, Oliver Kuhne, Martin Berger
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Publication number: 20190242429Abstract: An axial bearing may include a body having a disk-form configuration, a centrally disposed passage opening extending axially into the body structured to receive a shaft, and at least one circular segmental oil pocket opening towards the passage opening. The at least one oil pocket, in both circumferential directions relative to the body, may transition into a plateau surface section directly adjoining the at least one oil pocket.Type: ApplicationFiled: February 5, 2019Publication date: August 8, 2019Inventors: Steffen Schmitt, Ruediger Kleinschmidt, Steffen Heinemann, Oliver Kuhne
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Publication number: 20180238191Abstract: A bearing housing for an exhaust gas turbocharger may include a bearing housing cover arranged on a bearing housing wall. The bearing housing cover may include a penetrating rotation-symmetrical sealing recess with a centre axis and may have a locating surface facing the bearing housing wall and radially extending from the centre axis. The bearing housing may include a sealing bush arranged in at least one region of the sealing recess. The sealing bush may have a stop surface arranged opposite the locating surface and may include a penetrating shaft recess disposed rotation-symmetrical relative to the centre axis. The bearing housing cover may further include an at least partly circulating groove disposed on the locating surface radially spaced from the centre axis. The groove may include a drainage region arranged below the centre axis and extending from the centre axis radially to an outside.Type: ApplicationFiled: February 19, 2018Publication date: August 23, 2018Inventors: Fabian Haslinger, Simon Henzler, Ruediger Kleinschmidt, Oliver Kuhne, Steffen Schmitt, Frieder Stetter
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Publication number: 20180179954Abstract: A supercharger for a motor vehicle engine may include a bearing device for mounting a shaft in a hub of a bearing housing. The bearing device may be configured to mount the shaft between a turbine wheel and a compressor wheel of the shaft via a bearing bush that may be floatingly mounted to the shaft within the hub in a closely delimited manner relative to the hub and the shaft. The bearing bush may be securely positioned by a pin that engages into the bearing bush radially from the hub. The pin may include a first part rotatably mounted in the bearing housing and a second part engaging in a recess of the bearing bush. An axis of the first part and an axis of the second part may run parallel to one another. The bearing bush and the pin may be connected via a ball joint connection.Type: ApplicationFiled: December 20, 2017Publication date: June 28, 2018Inventors: Michal Klusacek, Ruediger Kleinschmidt
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Publication number: 20180156273Abstract: A bearing bushing for a charging device may include an inner jacket surface including at least two radial depressions. A respective lowest point of the at least two radial depressions may be disposed on a circle having a radius R1. A plurality of plateau surfaces may be disposed circumferentially between the at least two radial depressions and may be offset radially towards an inside of the bearing bushing. The plateau surfaces may be curved and may have a constant radius R2. A ratio between the radius R1 and the radius R2 may correspond to the relationship: R1/R2=1.001 to 1.015.Type: ApplicationFiled: December 4, 2017Publication date: June 7, 2018Inventors: Ruediger Kleinschmidt, Oliver Kuhne, Steffen Schmitt, Frieder Stetter