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1. 发明授权

US11549397B2 Turbocharger with a fluid-dynamic slide bearing, or fluid-dynamic slide bearing 有权
公开(公告)号：US11549397B2
公开(公告)日：2023-01-10
申请号：US17299003
申请日：2019-11-22
申请人： BMTS Technology GmbH & Co. KG , Martin Berger
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16
摘要： 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). In order to be able to provide such an exhaust gas turbocharger with a compact and efficient bearing arrangement having a fluid dynamic bearing, wherein at the same time the fluid dynamic bearing can be easily mounted using few parts, provision is made according to the invention that the support section (14) and at least one of the contour sections (53.1 to 53.3) of the counter-bearing part (50) at least sectionally overlap in the direction of the axis of rotation (R).

2. 发明申请

US20220065132A1 Turbocharger with a fluid-dynamic slide bearing, or fluid-dynamic slide bearing 有权
公开(公告)号：US20220065132A1
公开(公告)日：2022-03-03
申请号：US17299003
申请日：2019-11-22
申请人： Martin Berger , BMTS Technology GmbH & Co. KG
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16
摘要： 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). In order to be able to provide such an exhaust gas turbocharger with a compact and efficient bearing arrangement having a fluid dynamic bearing, wherein at the same time the fluid dynamic bearing can be easily mounted using few parts, provision is made according to the invention that the support section (14) and at least one of the contour sections (53.1 to 53.3) of the counter-bearing part (50) at least sectionally overlap in the direction of the axis of rotation (R).

3. 发明授权

US11629614B2 Exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing 有权
公开(公告)号：US11629614B2
公开(公告)日：2023-04-18
申请号：US17298309
申请日：2019-11-22
申请人： BMTS Technology GmbH & Co. KG , Martin Berger
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16 , F01D25/18 , F16C17/10 , F16C33/10
摘要： 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. In order to be able to provide such an exhaust gas turbocharger with a compact and efficient bearing arrangement having a hydrodynamic plain bearing, wherein at the same time the hydrodynamic plain bearing can be easily mounted with a small number of parts, provision is made according to the invention that in that a preferably circumferential gap area (57) for forming a trapped oil film is formed between an outer contour of the counter-bearing part (50) and the bearing housing (60) or the housing part, wherein the gap area (57) is spatially connected to a lubricant guide channel (61), and in that the gap area (57) and the continuous bearing contour of the rotor (10) and/or of the counter-bearing part (50) overlap at least sectionally in the direction of the axis of rotation (R).

4. 发明申请

US20210310372A1 Exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing 有权
公开(公告)号：US20210310372A1
公开(公告)日：2021-10-07
申请号：US17298309
申请日：2019-11-22
申请人： Martin Berger , BMTS Technology GmbH & Co. KG
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16 , F01D25/18 , F16C17/10 , F16C33/10
摘要： 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. In order to be able to provide such an exhaust gas turbocharger with a compact and efficient bearing arrangement having a hydrodynamic plain bearing, wherein at the same time the hydrodynamic plain bearing can be easily mounted with a small number of parts, provision is made according to the invention that in that a preferably circumferential gap area (57) for forming a trapped oil film is formed between an outer contour of the counter-bearing part (50) and the bearing housing (60) or the housing part, wherein the gap area (57) is spatially connected to a lubricant guide channel (61), and in that the gap area (57) and the continuous bearing contour of the rotor (10) and/or of the counter-bearing part (50) overlap at least sectionally in the direction of the axis of rotation (R).

5. 发明授权

US12065940B2 Exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing 有权
公开(公告)号：US12065940B2
公开(公告)日：2024-08-20
申请号：US17298342
申请日：2019-11-22
申请人： BMTS Technology GmbH & Co. KG , Martin Berger
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16 , F02C6/12 , F02C7/06 , F16C17/10
CPC分类号： F01D25/166 , F02C6/12 , F02C7/06 , F16C17/105 , F16C17/107 , F05D2220/40 , F05D2240/53 , F16C2360/24
摘要： 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; 53.3) in sectional view in a first bearing area forms a linear section that is part of a, in particular cylindrical or partially cylindrical, bearing section rotating at least sectionally about the axis of rotation (R), wherein a further contour section (17.1; 44.1; 53.1), in sectional view in a second bearing area, forms a further linear section, which is part of a further bearing area rotating at least sectionally about the axis of rotation (R), wherein this further linear section forms an angle with the axis of rotation (R), and wherein the first and the second bearing area merge via a transition section. According to the invention, a friction-optimized bearing system is to be created, which is easy to manufacture and ensures a reliable and effective bearing arrangement even under highly dynamic loads. According to the invention, this is achieved by the further linear section forming an angle in the range from >30° to

6. 发明申请

US20220120193A1 Exhaust gas turbocharger having a hydrodynamic plain bearing or a hydrodynamic plain bearing 有权
公开(公告)号：US20220120193A1
公开(公告)日：2022-04-21
申请号：US17298342
申请日：2019-11-22
申请人： Martin Berger , BMTS Technology GmbH & Co. KG
发明人： Martin Berger , Rüdiger Kleinschmidt , Frieder Stetter , Oliver Kuhne , Steffen Schmitt
IPC分类号： F01D25/16 , F16C17/10 , F02C6/12 , F02C7/06
摘要： 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; 53.3) in sectional view in a first bearing area forms a linear section that is part of a, in particular cylindrical or partially cylindrical, bearing section rotating at least sectionally about the axis of rotation (R), wherein a further contour section (17.1; 44.1; 53.1), in sectional view in a second bearing area, forms a further linear section, which is part of a further bearing area rotating at least sectionally about the axis of rotation (R), wherein this further linear section forms an angle with the axis of rotation (R), and wherein the first and the second bearing area merge via a transition section. According to the invention, a friction-optimized bearing system is to be created, which is easy to manufacture and ensures a reliable and effective bearing arrangement even under highly dynamic loads. According to the invention, this is achieved by the further linear section forming an angle in the range from >30° to

7. 发明公开

US20230146415A1 Compressor 审中-公开
公开(公告)号：US20230146415A1
公开(公告)日：2023-05-11
申请号：US17795251
申请日：2021-02-04
申请人： BMTS Technology GmbH & Co. KG
发明人： Steffen Schmitt , Frieder Stetter , Oliver Kuhne , Rüdiger Kleinschmidt , Gunter Winkler
IPC分类号： F04D29/057 , F04D17/10 , F04D29/063 , F16C33/66 , F04D29/58 , F04D25/06
CPC分类号： F04D29/057 , F04D17/10 , F04D29/063 , F16C33/667 , F16C33/6692 , F04D29/5806 , F04D25/0606 , F16C2360/44
摘要： 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 wherein a discharge area of the circulation system (30) is disposed in the area of the lubricant outlet. An operationally safe design can be implemented for such a compressor if provision is made for the cross-section area of the outlet of the liquid outlet of the plain bearing (24, 25) to be completely covered by the lubricant held in the discharge area.

8. 发明申请

US20220275750A1 Gas Compressor 有权
公开(公告)号：US20220275750A1
公开(公告)日：2022-09-01
申请号：US17679253
申请日：2022-02-24
申请人： BMTS Technology GmbH & Co. KG
发明人： Sebastian Beyerlein , Rüdiger Kleinschmidt , Steffen Schmitt , Oliver Kuhne , Philipp Blasch
IPC分类号： F02B39/10 , F02B33/40
摘要： 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).

9. 发明申请

US20190242429A1 AXIAL BEARING 审中-公开
公开(公告)号：US20190242429A1
公开(公告)日：2019-08-08
申请号：US16268073
申请日：2019-02-05
申请人： BMTS Technology GmbH & Co. KG
发明人： Steffen Schmitt , Ruediger Kleinschmidt , Steffen Heinemann , Oliver Kuhne
IPC分类号： F16C17/04 , F16C33/10
摘要： 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.

10. 发明授权

US11982285B2 Compressor 有权
公开(公告)号：US11982285B2
公开(公告)日：2024-05-14
申请号：US17795251
申请日：2021-02-04
申请人： BMTS Technology GmbH & Co. KG
发明人： Steffen Schmitt , Frieder Stetter , Oliver Kuhne , Rüdiger Kleinschmidt , Gunter Winkler
IPC分类号： F04D17/10 , F04D25/06 , F04D29/057 , F04D29/063 , F04D29/58 , F16C33/66
CPC分类号： F04D29/057 , F04D17/10 , F04D25/0606 , F04D29/063 , F04D29/5806 , F16C33/667 , F16C33/6692 , F16C2360/44
摘要： 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 wherein a discharge area of the circulation system (30) is disposed in the area of the lubricant outlet. An operationally safe design can be implemented for such a compressor if provision is made for the cross-section area of the outlet of the liquid outlet of the plain bearing (24, 25) to be completely covered by the lubricant held in the discharge area.

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