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公开(公告)号：US11098755B2
公开(公告)日：2021-08-24
申请号：US16776099
申请日：2020-01-29
Applicant: GE Precision Healthcare LLC
Inventor： Andrew Triscari , Ian Hunt
Abstract: Systems and methods related to hydrodynamic bearings are provided. One example hydrodynamic bearing system includes a sleeve assembly including a cross-member fluidically dividing a first interior cavity from a second interior cavity, a first shaft positioned in the first interior cavity, and a second shaft positioned in the second interior cavity. The hydrodynamic bearing system further includes a first journal bearing including a first fluid interface surrounding at least a portion of the first cantilever shaft and configured to support radial loads and a second journal bearing including a second fluid interface surrounding at least a portion of the second cantilever shaft and configured to support radial loads.
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公开(公告)号：US11670475B2
公开(公告)日：2023-06-06
申请号：US17245671
申请日：2021-04-30
Applicant: GE Precision Healthcare LLC
Inventor： Ian Strider Hunt , Jace Dowd , Kyle Russell Berndt , Eric Lubar , Andrew Triscari , Ryan Dagen
IPC: H01J35/10
CPC classification number: H01J35/104 , H01J2235/1053 , H01J2235/1066 , H01J2235/1086
Abstract: A bearing structure for an X-ray tube is provided that includes a journal bearing shaft with a radially protruding thrust bearing encased within a sleeve. The structure of sleeve is formed with enlarged traps or voids in the sleeve that are disposed adjacent various rotating anti-wetting seals/seal surfaces formed between the sleeve and the shaft. The geometry of the traps is formed to retain liquid metal/lubricating fluid within the gap defined by the bearing assembly and to direct to liquid metal flowing outwardly from the gap defined between the sleeve and the shaft away from the rotating anti-wetting seals and back towards the gap. This geometry allows the centrifugal forces exerted on the liquid metal by the rotation of the bearing structure to move the outflowing liquid metal away from the rotating anti-wetting seals to significantly reduce contact of the liquid metal with the seals.
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3.发明授权公开(公告)号：US11017977B1
公开(公告)日：2021-05-25
申请号：US16752533
申请日：2020-01-24
Applicant: GE Precision Healthcare LLC
Inventor： Ian Hunt , Andrew Jay Borland , Andrew Triscari , Steven Thiel
Abstract: Liquid metal bearing assemblies and methods for operation of said assemblies are provided. One example liquid metal bearing assembly includes a liquid metal interface positioned between a stationary component and a rotational component. The rotational component includes a liquid metal reservoir configured to contain a liquid metal and positioned radially inward from the liquid metal interface, a liquid metal passage extending between the liquid metal reservoir and the liquid metal interface, and an anti-wetting surface in the liquid metal passage.
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公开(公告)号：US20220351931A1
公开(公告)日：2022-11-03
申请号：US17245671
申请日：2021-04-30
Applicant: GE Precision Healthcare LLC
Inventor： Ian Strider Hunt , Jace Dowd , Kyle Russell Berndt , Eric Lubar , Andrew Triscari , Ryan Dagen
IPC: H01J35/10
Abstract: A bearing structure for an X-ray tube is provided that includes a journal bearing shaft with a radially protruding thrust bearing encased within a sleeve. The structure of sleeve is formed with enlarged traps or voids in the sleeve that are disposed adjacent various rotating anti-wetting seals/seal surfaces formed between the sleeve and the shaft. The geometry of the traps is formed to retain liquid metal/lubricating fluid within the gap defined by the bearing assembly and to direct to liquid metal flowing outwardly from the gap defined between the sleeve and the shaft away from the rotating anti-wetting seals and back towards the gap. This geometry allows the centrifugal forces exerted on the liquid metal by the rotation of the bearing structure to move the outflowing liquid metal away from the rotating anti-wetting seals to significantly reduce contact of the liquid metal with the seals.
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公开(公告)号：US20210231167A1
公开(公告)日：2021-07-29
申请号：US16776099
申请日：2020-01-29
Applicant: GE Precision Healthcare LLC
Inventor： Andrew Triscari , Ian Hunt
Abstract: Systems and methods related to hydrodynamic bearings are provided. One example hydrodynamic bearing system includes a sleeve assembly including a cross-member fluidically dividing a first interior cavity from a second interior cavity, a first shaft positioned in the first interior cavity, and a second shaft positioned in the second interior cavity. The hydrodynamic bearing system further includes a first journal bearing including a first fluid interface surrounding at least a portion of the first cantilever shaft and configured to support radial loads and a second journal bearing including a second fluid interface surrounding at least a portion of the second cantilever shaft and configured to support radial loads.
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Patent Agency Ranking
公开(公告)号：US11020067B1
公开(公告)日：2021-06-01
申请号：US16789302
申请日：2020-02-12
Applicant: GE Precision Healthcare LLC
Inventor： Ian Hunt , Andrew Triscari , John McCabe , Michael Hebert
Abstract: Systems and methods related to hydrodynamic bearings are provided. One example system includes a hydrodynamic bearing including a rotational component configured to attach to an anode and a stationary component. The stationary component includes a bearing surface having a plurality of grooves configured to generate pressure in a fluid interface during rotation of the rotational component and where the bearing surface includes at least one recessed section profiled based on an expected pattern of wear.
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公开(公告)号：US12078203B2
公开(公告)日：2024-09-03
申请号：US18301863
申请日：2023-04-17
Applicant: GE Precision Healthcare LLC
Inventor： Andrew Triscari , Ian Hunt
CPC classification number: F16C17/107 , H01J35/104 , F16C2316/10 , F16C2380/16
Abstract: Systems and methods related to hydrodynamic bearings for use in X-ray sources are provided. In one aspect, a hydrodynamic bearing system includes a sleeve assembly including a cross-member fluidically dividing a first interior cavity from a second interior cavity, a first shaft positioned in the first interior cavity, and a second shaft positioned in the second interior cavity. The hydrodynamic bearing system may further include a first journal bearing including a first fluid interface surrounding at least a portion of the first cantilever shaft and configured to support radial loads and a second journal bearing including a second fluid interface surrounding at least a portion of the second cantilever shaft and configured to support radial loads.
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公开(公告)号：US12051558B2
公开(公告)日：2024-07-30
申请号：US18307552
申请日：2023-04-26
Applicant: GE Precision Healthcare LLC
Inventor： Ian Strider Hunt , Jace Dowd , Kyle Russell Berndt , Eric Lubar , Andrew Triscari , Ryan Dagen
IPC: H01J35/10
CPC classification number: H01J35/104 , H01J2235/1053 , H01J2235/1066 , H01J2235/1086
Abstract: A bearing structure for an X-ray tube is provided that includes a journal bearing shaft with a radially protruding thrust bearing encased within a sleeve. The structure of sleeve is formed with enlarged traps or voids in the sleeve that are disposed adjacent various rotating anti-wetting seals/seal surfaces formed between the sleeve and the shaft. The geometry of the traps is formed to retain liquid metal/lubricating fluid within the gap defined by the bearing assembly and to direct to liquid metal flowing outwardly from the gap defined between the sleeve and the shaft away from the rotating anti-wetting seals and back towards the gap. This geometry allows the centrifugal forces exerted on the liquid metal by the rotation of the bearing structure to move the outflowing liquid metal away from the rotating anti-wetting seals to significantly reduce contact of the liquid metal with the seals.
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公开(公告)号：US20230343544A1
公开(公告)日：2023-10-26
申请号：US18307552
申请日：2023-04-26
Applicant: GE Precision Healthcare LLC
Inventor： Ian Strider Hunt , Jace Dowd , Kyle Russell Berndt , Eric Lubar , Andrew Triscari , Ryan Dagen
IPC: H01J35/10
CPC classification number: H01J35/104 , H01J2235/1053 , H01J2235/1066 , H01J2235/1086
Abstract: A bearing structure for an X-ray tube is provided that includes a journal bearing shaft with a radially protruding thrust bearing encased within a sleeve. The structure of sleeve is formed with enlarged traps or voids in the sleeve that are disposed adjacent various rotating anti-wetting seals/seal surfaces formed between the sleeve and the shaft. The geometry of the traps is formed to retain liquid metal/lubricating fluid within the gap defined by the bearing assembly and to direct to liquid metal flowing outwardly from the gap defined between the sleeve and the shaft away from the rotating anti-wetting seals and back towards the gap. This geometry allows the centrifugal forces exerted on the liquid metal by the rotation of the bearing structure to move the outflowing liquid metal away from the rotating anti-wetting seals to significantly reduce contact of the liquid metal with the seals.
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10.发明公开公开(公告)号：US20230272819A1
公开(公告)日：2023-08-31
申请号：US18301863
申请日：2023-04-17
Applicant: GE Precision Healthcare LLC
Inventor： Andrew Triscari , Ian Hunt
CPC classification number: F16C17/107 , H01J35/104 , F16C2380/16 , F16C2316/10
Abstract: Systems and methods related to hydrodynamic bearings for use in X-ray sources are provided. In one aspect, a hydrodynamic bearing system includes a sleeve assembly including a cross-member fluidically dividing a first interior cavity from a second interior cavity, a first shaft positioned in the first interior cavity, and a second shaft positioned in the second interior cavity. The hydrodynamic bearing system may further include a first journal bearing including a first fluid interface surrounding at least a portion of the first cantilever shaft and configured to support radial loads and a second journal bearing including a second fluid interface surrounding at least a portion of the second cantilever shaft and configured to support radial loads.
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