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公开(公告)号：US20140369475A1
公开(公告)日：2014-12-18
申请号：US14472762
申请日：2014-08-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ian Strider Hunt , Donald Robert Allen , Kenwood Dayton , Andrew Triscari
CPC classification number: H01J35/26 , H01J9/18 , H01J35/101 , H01J2235/106 , H01J2235/1086 , Y10T29/49826
Abstract: The present disclosure is directed towards the prevention of high voltage instabilities within X-ray tubes. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a stationary member, and a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube. The X-ray tube also includes a liquid metal bearing material disposed in a space between the shaft and the sleeve, a seal disposed adjacent to the space to seal the liquid metal bearing material in the space, and an enhanced surface area material disposed on a side of the seal axially opposite the space and configured to trap within the enhanced surface area material liquid metal bearing material that escapes the seal.
Abstract translation: 本公开旨在防止X射线管内的高电压不稳定性。 例如，在一个实施例中，提供了X射线管。 X射线管通常包括固定构件，以及构造成在X射线管操作期间相对于静止构件旋转的旋转构件。 X射线管还包括设置在轴和套筒之间的空间中的液体金属轴承材料，邻近空间设置的密封件，以密封空间中的液态金属轴承材料，以及增强的表面积材料 所述密封件的侧面与所述空间轴向相对并且构造成在所述增强的表面区域内陷入材料，所述材料液体金属轴承材料逸出所述密封件。
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公开(公告)号：US10573484B2
公开(公告)日：2020-02-25
申请号：US15689326
申请日：2017-08-29
Applicant: General Electric Company
Inventor： Edward Emaci , Ian Strider Hunt , Alexander Ryan , Michael Gorrilla
Abstract: A structure and method of operation of a journal bearing is disclosed that minimizes contact of the shaft with the sleeve during start up and slow down of rotation of the shaft relative to the sleeve, or vice versa. The bearing assembly includes a gravitational load reduction mechanism with magnets disposed on the sleeve and on the shaft in alignment with one another. The magnet(s) on the shaft interacts with the magnet(s) disposed on the sleeve to provide a force against the pressure of the shaft towards the sleeve generated by gravity on the rotating component. The magnets enable centering of the rotating component within the stationary component during low rotation and non-rotation. This prevents rubbing of the rotating journal bearing component surfaces, e.g., sleeve, against the stationary journal bearing component, e.g., shaft, during assembly, ramp-up, and coast-down when the journal bearing fluid provides minimal or no bearing centering capability.
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公开(公告)号：US10533608B2
公开(公告)日：2020-01-14
申请号：US15426879
申请日：2017-02-07
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Andrew Thomas Triscari , Donald Allen , Gregory Steinlage , Michael Scott Hebert
Abstract: A ring seal is engaged with a liquid metal bearing assembly and operates to contain metal fluid lubricant leaking through the primary compression seals of a liquid metal bearing to prevent the fluid from entering the high voltage space within the x-ray tube and causing high voltage instability. The ring seal engages the existing configuration for the bearing assembly without deforming the bearing, including effects of thermal expansion and inertial body forces, thus maintaining the tight tolerances for the proper operation of the component parts of the bearing structure. The ring seal retains the leaking liquid metal within the ring seal regardless of the operating state and/or condition of the bearing assembly, such as during operating conditions. i.e., rotation of the bearing assembly or gantry, and non-operating conditions, e.g., shipping and stand-by, and regardless of the corresponding pressures and their locations exerted on the ring seal by the liquid metal.
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公开(公告)号：US20200013577A1
公开(公告)日：2020-01-09
申请号：US16030004
申请日：2018-07-09
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Kevin Shane Kruse
Abstract: A liquid metal or spiral groove bearing structure for an x-ray tube and associated process for manufacturing the bearing structure is provided in which journal bearing sleeve is formed with a number of structures thereon that function to dissipate heat transmitted to the sleeve during operation of the bearing assembly within the x-ray tube to minimize thermal deformation of the sleeve, thereby minimizing gap size alteration within the bearing assembly. The structures formed within the sleeve are slots disposed within the section of the sleeve in which the highest temperature gradients develop. The slots enable an increase in thermal conductance away from the sleeve while minimizing the stresses created from the deformation of the portion(s) of the sleeve between the slots.
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公开(公告)号：US10283312B2
公开(公告)日：2019-05-07
申请号：US15251854
申请日：2016-08-30
Applicant: General Electric Company
Inventor： John James McCabe , Michael Scott Hebert , Ian Strider Hunt , Andrew Thomas Triscari , Kevin Shane Kruse , Alexander Thomas Ryan , Adolfo Delgado Marquez
IPC: H01J35/10
Abstract: An X-ray tube is provided. The X-ray tube includes a bearing configured to couple to an anode. The bearing includes a stationary member, a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube, and a support feature configured to minimize bending moment along a surface of the stationary member to reduce deflection of the stationary member relative to the rotary member due to radial loads during operation of the X-ray tube.
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Patent Agency Ranking
公开(公告)号：US09449783B2
公开(公告)日：2016-09-20
申请号：US14472762
申请日：2014-08-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ian Strider Hunt , Donald Robert Allen , Kenwood Dayton , Andrew Triscari
CPC classification number: H01J35/26 , H01J9/18 , H01J35/101 , H01J2235/106 , H01J2235/1086 , Y10T29/49826
Abstract: The present disclosure is directed towards the prevention of high voltage instabilities within X-ray tubes. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a stationary member, and a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube. The X-ray tube also includes a liquid metal bearing material disposed in a space between the shaft and the sleeve, a seal disposed adjacent to the space to seal the liquid metal bearing material in the space, and an enhanced surface area material disposed on a side of the seal axially opposite the space and configured to trap within the enhanced surface area material liquid metal bearing material that escapes the seal.
Abstract translation: 本公开旨在防止X射线管内的高电压不稳定性。 例如，在一个实施例中，提供了X射线管。 X射线管通常包括固定构件，以及构造成在X射线管操作期间相对于静止构件旋转的旋转构件。 X射线管还包括设置在轴和套筒之间的空间中的液体金属轴承材料，邻近空间设置的密封件，以密封空间中的液态金属轴承材料，以及增强的表面积材料 所述密封件的侧面与所述空间轴向相对并且构造成在所述增强的表面区域内陷入材料，所述材料液体金属轴承材料逸出所述密封件。
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公开(公告)号：US20160133431A1
公开(公告)日：2016-05-12
申请号：US14537536
申请日：2014-11-10
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Andrew Thomas Triscari
IPC: H01J35/10
CPC classification number: H01J35/101 , F16C17/04 , F16C33/10 , F16C33/6692 , F16C33/74 , F16C2210/08 , F16C2226/36 , F16C2380/16 , H01J35/10 , H01J35/105 , H01J2235/1046 , H01J2235/106 , H01J2235/1086 , H01J2235/1208
Abstract: A structure and associated method for forming a liquid metal or spiral groove bearing assembly for an x-ray tube is illustrated that utilizes a unitary sleeve and a thrust ring or seal each formed of a weldable, non-refractory material. The sleeve and the thrust seal are welded to one another to provide an improved construction for minimizing leaks of the liquid metal bearing fluid. The structure of the sleeve and the thrust seal are formed with deformation restricting features that maintain the integrity of the bearing surfaces of the assembly when the thrust seal is secured within the sleeve and welded thereto to form the bearing assembly.
Abstract translation: 示出了用于形成用于X射线管的液态金属或螺旋槽轴承组件的结构和相关方法，其利用由可焊接的非耐火材料形成的整体套筒和推力环或密封件。 套筒和推力密封件彼此焊接以提供改进的结构，以最小化液态金属轴承流体的泄漏。 套筒和推力密封件的结构形成有变形限制特征，当限制套筒中的推力密封件被固定在其中以形成轴承组件时，其具有维持组件的支承表面的完整性。
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公开(公告)号：US11037752B2
公开(公告)日：2021-06-15
申请号：US16886197
申请日：2020-05-28
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Kevin Shane Kruse
Abstract: A liquid metal or spiral groove bearing structure for an x-ray tube and associated process for manufacturing the bearing structure is provided in which journal bearing sleeve is formed with a number of structures thereon that function to dissipate heat transmitted to the sleeve during operation of the bearing assembly within the x-ray tube to minimize thermal deformation of the sleeve, thereby minimizing gap size alteration within the bearing assembly. The structures formed within the sleeve are slots disposed within the section of the sleeve in which the highest temperature gradients develop. The slots enable an increase in thermal conductance away from the sleeve while minimizing the stresses created from the deformation of the portion(s) of the sleeve between the slots.
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公开(公告)号：US11017976B2
公开(公告)日：2021-05-25
申请号：US16885986
申请日：2020-05-28
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Kevin Shane Kruse
Abstract: A liquid metal or spiral groove bearing structure for an x-ray tube and associated process for manufacturing the bearing structure is provided in which journal bearing sleeve is formed with a number of structures thereon that function to dissipate heat transmitted to the sleeve during operation of the bearing assembly within the x-ray tube to minimize thermal deformation of the sleeve, thereby minimizing gap size alteration within the bearing assembly. The structures formed within the sleeve are slots disposed within the section of the sleeve in which the highest temperature gradients develop. The slots enable an increase in thermal conductance away from the sleeve while minimizing the stresses created from the deformation of the portion(s) of the sleeve between the slots.
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公开(公告)号：US20200294753A1
公开(公告)日：2020-09-17
申请号：US16885986
申请日：2020-05-28
Applicant: General Electric Company
Inventor： Ian Strider Hunt , Kevin Shane Kruse
Abstract: A liquid metal or spiral groove bearing structure for an x-ray tube and associated process for manufacturing the bearing structure is provided in which journal bearing sleeve is formed with a number of structures thereon that function to dissipate heat transmitted to the sleeve during operation of the bearing assembly within the x-ray tube to minimize thermal deformation of the sleeve, thereby minimizing gap size alteration within the bearing assembly. The structures formed within the sleeve are slots disposed within the section of the sleeve in which the highest temperature gradients develop. The slots enable an increase in thermal conductance away from the sleeve while minimizing the stresses created from the deformation of the portion(s) of the sleeve between the slots.
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