Asynchronous motor with features creating magnetic field disturbance
    1.
    发明授权
    Asynchronous motor with features creating magnetic field disturbance 有权
    具有产生磁场干扰的特征的异步电动机

    公开(公告)号:US08542800B2

    公开(公告)日:2013-09-24

    申请号:US12888634

    申请日:2010-09-23

    CPC classification number: H01J35/101 H02K11/225 H02K17/30

    Abstract: A component for introducing disturbances into the magnetic field of an asynchronous motor by altering a reluctance of the motor is disclosed. An asynchronous motor is provided that includes a stator having a plurality of windings that is configured to generate a rotating magnetic field when a current is provided to the plurality of windings. The asynchronous motor also includes a rotor positioned within the stator configured to rotate relative thereto responsive to the rotating magnetic field and a component separate from the stator and the rotor that is positioned within the rotating magnetic field, with the component being configured to alter a magnetic reluctance of the rotor so as create a disturbance in the rotating magnetic field.

    Abstract translation: 公开了一种通过改变电动机的磁阻将异步电动机的磁场引入干扰的部件。 提供了一种异步电动机,其包括具有多个绕组的定子,所述多个绕组被配置为当电流被提供给多个绕组时产生旋转磁场。 异步电动机还包括位于定子内的转子,其构造成响应于旋转磁场而相对于其旋转,以及与位于旋转磁场内的定子和转子分离的部件,其中该部件被配置为改变磁 转子的磁阻在旋转磁场中产生干扰。

    ENHANCED BARRIER FOR LIQUID METAL BEARINGS
    2.
    发明申请
    ENHANCED BARRIER FOR LIQUID METAL BEARINGS 有权
    用于液体金属轴承的增强型障碍物

    公开(公告)号:US20120106712A1

    公开(公告)日:2012-05-03

    申请号:US12915898

    申请日:2010-10-29

    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。

    ASYNCHRONOUS MOTOR WITH FEATURES CREATING MAGNETIC FIELD DISTURBANCE
    3.
    发明申请
    ASYNCHRONOUS MOTOR WITH FEATURES CREATING MAGNETIC FIELD DISTURBANCE 有权
    异步电动机具有创造磁场干扰的特点

    公开(公告)号:US20120076277A1

    公开(公告)日:2012-03-29

    申请号:US12888634

    申请日:2010-09-23

    CPC classification number: H01J35/101 H02K11/225 H02K17/30

    Abstract: A component for introducing disturbances into the magnetic field of an asynchronous motor by altering a reluctance of the motor is disclosed. An asynchronous motor is provided that includes a stator having a plurality of windings that is configured to generate a rotating magnetic field when a current is provided to the plurality of windings. The asynchronous motor also includes a rotor positioned within the stator configured to rotate relative thereto responsive to the rotating magnetic field and a component separate from the stator and the rotor that is positioned within the rotating magnetic field, with the component being configured to alter a magnetic reluctance of the rotor so as create a disturbance in the rotating magnetic field.

    Abstract translation: 公开了一种通过改变电动机的磁阻将异步电动机的磁场引入干扰的部件。 提供了一种异步电动机,其包括具有多个绕组的定子,所述多个绕组被配置为当电流被提供给多个绕组时产生旋转磁场。 异步电动机还包括位于定子内的转子,其构造成响应于旋转磁场而相对于其旋转,以及与位于旋转磁场内的定子和转子分离的部件,其中该部件被配置为改变磁 转子的磁阻在旋转磁场中产生干扰。

    X-RAY TUBE THERMAL TRANSFER METHOD AND SYSTEM
    4.
    发明申请
    X-RAY TUBE THERMAL TRANSFER METHOD AND SYSTEM 有权
    X射线管传热方法与系统

    公开(公告)号:US20120106710A1

    公开(公告)日:2012-05-03

    申请号:US12915717

    申请日:2010-10-29

    Abstract: The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube, and more specifically to heat transfer between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve, and a thermally conductive, deformable metallic gasket disposed between the target and the bearing sleeve and configured to conduct heat between the target and the bearing sleeve in operation.

    Abstract translation: 本文公开的实施例涉及X射线管内的部件的热调节,更具体地涉及阳极与阳极所连接的旋转机构之间的热传递。 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轴,旋转的轴承套,围绕固定轴布置并且构造成通过旋转轴承相对于固定轴旋转,电子束靶设置在轴承套周围并被构造成与 以及设置在所述目标和所述轴承套之间并且被配置为在操作中在所述目标和所述轴承套之间传导热量的导热可变形的金属垫圈。

    Interface for liquid metal bearing and method of making same
    5.
    发明授权
    Interface for liquid metal bearing and method of making same 有权
    液态金属轴承接口及其制造方法

    公开(公告)号:US07933382B2

    公开(公告)日:2011-04-26

    申请号:US12410518

    申请日:2009-03-25

    CPC classification number: H01J35/101 H01J2235/1086 Y10T29/49982

    Abstract: An x-ray tube includes a cathode and a target assembly positioned to receive electrons emitted from the cathode. The target assembly includes a target and a spiral groove bearing (SGB) configured to support the target. The SGB includes a rotatable component having a first surface and a first material attached to the first surface, a stationary component having a second surface and a second material attached to the second surface, the stationary component positioned such that a gap is formed between the first material and the second material, and a liquid metal positioned in the gap. At least one of the first and second materials has a thickness greater than 0.1 mm.

    Abstract translation: X射线管包括阴极和靶组件,定位成接收从阴极发射的电子。 目标组件包括目标和被配置为支撑目标的螺旋槽轴承(SGB)。 SGB包括具有第一表面和附接到第一表面的第一材料的可旋转部件,具有第二表面的固定部件和附着到第二表面的第二材料,固定部件定位成使得在第一和第二表面之间形成间隙 材料和第二材料,以及位于间隙中的液态金属。 第一和第二材料中的至少一个具有大于0.1mm的厚度。

    Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes
    6.
    发明授权
    Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes 失效
    X射线管高压绝缘子电压应力消除方法与设计

    公开(公告)号:US07020244B1

    公开(公告)日:2006-03-28

    申请号:US11015269

    申请日:2004-12-17

    CPC classification number: H01J35/06

    Abstract: In accordance with one embodiment, the present technique provides an X-ray tube. The X-ray tube includes an anode assembly configured to emit X-ray beams and a cathode assembly configured to emit electrons towards the anode assembly. The cathode assembly includes an insulator and a cathode post. The insulator includes a side surface, wherein the side surface includes a recessed portion. The cathode post includes a hollow interior region having an interior surface, wherein the interior surface is configured to engage with the side surface of the insulator. The cathode post may also include a foot portion that extends away from the interior surface at the end of the cathode post. The cathode post adjacent to the recessed portion of the insulator is configured to shield a triple point to reduce electrical stresses on the triple point.

    Abstract translation: 根据一个实施例,本技术提供一种X射线管。 X射线管包括被配置为发射X射线束的阳极组件和被配置为向阳极组件发射电子的阴极组件。 阴极组件包括绝缘体和阴极柱。 绝缘体包括侧表面,其中侧表面包括凹部。 阴极柱包括具有内表面的中空内部区域,其中内表面构造成与绝缘体的侧表面接合。 阴极柱还可以包括在阴极柱的端部远离内表面延伸的脚部分。 邻近绝缘体的凹陷部分的阴极柱构造成屏蔽三重点以减小三重点上的电应力。

    Anti-fretting coating for rotor attachment joint and method of making same
    7.
    发明授权
    Anti-fretting coating for rotor attachment joint and method of making same 有权
    用于转子附件接头的抗磨损涂层及其制造方法

    公开(公告)号:US08897420B1

    公开(公告)日:2014-11-25

    申请号:US13367414

    申请日:2012-02-07

    Abstract: An x-ray tube includes a cathode adapted to emit electrons, a bearing assembly comprising a rotatable shaft having a rotor hub, a target assembly attached to the rotatable shaft and positioned to receive the emitted electrons in order to generate x-rays therefrom, a rotor attached to the rotor hub at an attachment face, wherein the attachment face comprises a first material compressed against a second material, and a first anti-wear coating attached to one of the first material and the second material and positioned between the first material and the second material.

    Abstract translation: X射线管包括适于发射电子的阴极,包括具有转子毂的可旋转轴的轴承组件,附接到可旋转轴并被定位成接收所发射的电子以便从其产生X射线的靶组件, 转子,其在附接面处附接到转子毂,其中附接面包括抵抗第二材料压缩的第一材料和附接到第一材料和第二材料之一的第一耐磨涂层,并且位于第一材料和第二材料之间 第二种材料。

    X-ray tube thermal transfer method and system
    8.
    发明授权
    X-ray tube thermal transfer method and system 有权
    X射线管热转印方法及系统

    公开(公告)号:US08744047B2

    公开(公告)日:2014-06-03

    申请号:US12915717

    申请日:2010-10-29

    Abstract: The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube, and more specifically to heat transfer between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve, and a thermally conductive, deformable metallic gasket disposed between the target and the bearing sleeve and configured to conduct heat between the target and the bearing sleeve in operation.

    Abstract translation: 本文公开的实施例涉及X射线管内的部件的热调节,更具体地涉及阳极与阳极所连接的旋转机构之间的热传递。 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轴,旋转的轴承套,围绕固定轴布置并且构造成通过旋转轴承相对于固定轴旋转,电子束靶设置在轴承套周围并被构造成与 以及设置在所述目标和所述轴承套之间并且被配置为在操作中在所述目标和所述轴承套之间传导热量的导热可变形的金属垫圈。

    Enhanced barrier for liquid metal bearings
    9.
    发明授权
    Enhanced barrier for liquid metal bearings 有权
    液态金属轴承增强屏障

    公开(公告)号:US08848875B2

    公开(公告)日:2014-09-30

    申请号:US12915898

    申请日:2010-10-29

    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。

    ACTIVE THERMAL CONTROL OF X-RAY TUBES
    10.
    发明申请
    ACTIVE THERMAL CONTROL OF X-RAY TUBES 有权
    X射线管的主动热控制

    公开(公告)号:US20120106709A1

    公开(公告)日:2012-05-03

    申请号:US12915836

    申请日:2010-10-29

    CPC classification number: H05G1/36 H05G1/54

    Abstract: The present embodiments relate to active thermal control of X-ray tubes, for example X-ray tubes used in CT imaging. In one embodiment, a system for thermal control of an X-ray tube is provided. The system includes an X-ray tube having an electron beam target, a rotary bearing supporting the target in rotation, and a coolant flow passage, at least a portion of the coolant flow passage being disposed in the center of the rotary bearing, and the coolant flow passage is configured to receive a coolant. The system also includes a coolant circulating system coupled to the coolant flow passage and configured to circulate the coolant thorough the coolant flow passage, and a control circuit coupled to the coolant circulating system and the rotary bearing, the control circuit being configured to control heat flow between components of the X-ray tube by regulating extraction of heat from the X-ray tube via the coolant and by regulating a rotation rate of the rotary bearing.

    Abstract translation: 本实施例涉及X射线管的主动热控制,例如用于CT成像的X射线管。 在一个实施例中,提供了一种用于X射线管的热控制的系统。 该系统包括具有电子束目标的X射线管,支撑目标旋转的旋转轴承和冷却剂流动通道,冷却剂流动通道的至少一部分设置在旋转轴承的中心,并且 冷却剂流动通道构造成接收冷却剂。 该系统还包括冷却剂循环系统,其耦合到冷却剂流动通道并且构造成使冷却剂循环通过冷却剂流动通道;以及控制电路,其耦合到冷却剂循环系统和旋转轴承,该控制电路被配置为控制热流 通过调节通过冷却剂从X射线管提取热量并通过调节旋转轴承的旋转速度来控制X射线管的部件之间的距离。

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