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

IPC: H01J35/02 ,  H01J35/26 ,  H01J35/10 ,  H01J9/18

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。

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。

公开(公告)号：US08848875B2

公开(公告)日：2014-09-30

申请号：US12915898

申请日：2010-10-29

Applicant: Ian Strider Hunt ,  Donald Robert Allen ,  Kenwood Dayton ,  Andrew Triscari

Inventor： Ian Strider Hunt ,  Donald Robert Allen ,  Kenwood Dayton ,  Andrew Triscari

IPC: H01J35/02 ,  B23P11/00 ,  H01J35/10

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。

公开(公告)号：US20110058654A1

公开(公告)日：2011-03-10

申请号：US12875559

申请日：2010-09-03

Applicant: Chiharu Tadokoro ,  Yasutaka Ito ,  Hitoshi Hattori ,  Ryoichi Takahashi ,  Tetsuya Yonezawa ,  Hironori Nakamuta

Inventor： Chiharu Tadokoro ,  Yasutaka Ito ,  Hitoshi Hattori ,  Ryoichi Takahashi ,  Tetsuya Yonezawa ,  Hironori Nakamuta

IPC: H01J35/00

CPC classification number: H01J35/101 ,  H01J2235/106 ,  H01J2235/1086

Abstract: A rotary anode X-ray tube apparatus according to an embodiment of the present invention includes a stationary shaft, a cooling bath that is provided in the stationary shaft, a rotary cylinder that is rotatably supported to the stationary shaft, a target that is provided in the rotary cylinder, a cathode that is disposed to face the target, and a vacuum enclosure that stores these components. The stationary shaft has a large-diameter portion provided in a portion thereof and is provided with a flow passage through which a cooling fluid flows. The cooling bath is provided by thinning the wall thickness of the large-diameter portion to increase the flow passage diameter of a portion of the flow passage. The rotary cylinder covers an area of the stationary shaft including the large-diameter portion through a liquid metal and is rotatably supported to the stationary shaft. The target has a hollow circular plate shape that is provided on an outer circumferential surface of the rotary cylinder. The vacuum enclosure stores the stationary shaft, the rotary cylinder, the target, and the cathode and supports the stationary shaft.

Abstract translation: 根据本发明实施例的旋转阳极X射线管装置包括固定轴，设置在固定轴中的冷却槽，可旋转地支撑在固定轴上的旋转圆筒，设置在 旋转圆筒，设置为面对靶的阴极和存储这些部件的真空外壳。 固定轴具有设置在其一部分中的大直径部分，并且设置有冷却流体流过的流动通道。 通过减薄大直径部分的壁厚来提供冷却浴，以增加流路的一部分的流路直径。 旋转圆筒通过液体金属覆盖包括大直径部分的固定轴的区域，并且可旋转地支撑在固定轴上。 目标具有设置在旋转圆筒的外周面上的中空圆板形状。 真空外壳存放固定轴，旋转圆筒，目标和阴极，并支撑固定轴。

公开(公告)号：US20070092063A1

公开(公告)日：2007-04-26

申请号：US11564152

申请日：2006-11-28

Applicant: Harunobu Fukushima ,  Yasuo Yoshii ,  Hitoshi Hattori ,  Koichi Kitade ,  Mitsuo Iwase ,  Hironori Nakamuta

Inventor： Harunobu Fukushima ,  Yasuo Yoshii ,  Hitoshi Hattori ,  Koichi Kitade ,  Mitsuo Iwase ,  Hironori Nakamuta

IPC: H01J35/00

CPC classification number: H01J35/101 ,  H01J2235/1006 ,  H01J2235/106

Abstract: In a rotary anode type X-ray tube, a rotary anode and a rotary structure supporting the anode are arranged within the vacuum envelope. A stationary shaft has a middle section which is fitted into a cylindrical portion of the rotary structure, and a dynamic pressure type radial bearing is arranged between the cylindrical portion and the middle section. The stationary shaft also has a first section between one end of the middle section and one end of the stationary shaft, and a second section between the other end of the middle section and the other end of the stationary shaft, which are fixed to the vacuum envelope. A transverse stiffness of the second section is set to be larger than a transverse stiffness of the first section, and a center of gravity is positioned in the middle section.

Abstract translation: 在旋转阳极型X射线管中，旋转阳极和支撑阳极的旋转结构布置在真空外壳内。 固定轴具有嵌入旋转结构的圆筒部的中间部，并且在圆筒部与中间部之间配置有动压型径向轴承。 固定轴还具有在中间部分的一端和固定轴的一端之间的第一部分，以及固定在真空的中间部分的另一端和固定轴的另一端之间的第二部分 信封。 第二部分的横向刚度被设定为大于第一部分的横向刚度，并且重心位于中间部分。

公开(公告)号：US07197118B2

公开(公告)日：2007-03-27

申请号：US11404778

申请日：2006-04-17

Applicant: Hidero Anno ,  Koichi Kitade ,  Takayuki Kitami ,  Hironori Nakamuta ,  Manabu Sato

Inventor： Hidero Anno ,  Koichi Kitade ,  Takayuki Kitami ,  Hironori Nakamuta ,  Manabu Sato

IPC: H01J35/00

CPC classification number: F16C37/002 ,  H01J35/101 ,  H01J2235/106 ,  H01J2235/1208 ,  H01J2235/1275 ,  H01J2235/168 ,  H05G1/025 ,  H05G1/04

Abstract: The present invention is characterized by supporting a stator to generate a magnetic field and an anode target by a dynamic pressure plain bearing using a liquid metal, and cooling at least the inside of the dynamic pressure plain bearing and an enclosure containing an anode target by circulating one kind of cooling medium, in a rotary X-ray tube apparatus which obtains X-rays by impinging an electron on an anode by rotating an anode target.

Abstract translation: 本发明的特征在于，通过使用液态金属的动压滑动轴承支撑定子以产生磁场和阳极靶，并且通过循环来至少冷却动压滑动轴承的内部和包含阳极靶的外壳 在旋转式X射线管装置中，通过旋转阳极靶而在阳极上照射电子而获得X射线的一种冷却介质。

公开(公告)号：US20020141538A1

公开(公告)日：2002-10-03

申请号：US10079825

申请日：2002-02-22

Inventor： Hironori Nakamuta ,  Mitsuo Iwase

IPC: H01J035/10

CPC classification number: F16C21/00 ,  F16C17/026 ,  H01J35/101 ,  H01J2235/1046 ,  H01J2235/106 ,  H01J2235/1086

Abstract: Disclosed is a rotary anode type X-ray tube comprising an anode target emitting an X-ray, a rotating mechanism for rotatably supporting the anode target, the rotating mechanism including an inside rotor and a stator, bearings being arranged between the inside rotor and the stator, and a vacuum envelope housing the anode target and the rotating mechanism. Dynamic slide bearings each using a liquid metal lubricant and ball bearings are used as the bearings arranged between the inside rotor and the stator.

Abstract translation: 公开了一种旋转阳极型X射线管，其包括发射X射线的阳极靶，用于可旋转地支撑阳极靶的旋转机构，包括内转子和定子的旋转机构，设置在内转子和 定子和容纳阳极靶和旋转机构的真空外壳。 使用液态金属润滑剂和滚珠轴承的动态滑动轴承用作布置在内侧转子和定子之间的轴承。

公开(公告)号：US5668849A

公开(公告)日：1997-09-16

申请号：US621705

申请日：1996-03-26

Applicant: Hiroyuki Sugiura ,  Katsuhiro Ono ,  Hidero Anno

Inventor： Hiroyuki Sugiura ,  Katsuhiro Ono ,  Hidero Anno

IPC: F16C33/10 ,  H01J35/10

CPC classification number: F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  H01J35/101 ,  H01J2235/1026 ,  H01J2235/106

Abstract: In a rotating anode X-ray tube of this invention, a liquid metal lubricant supplied to bearing portions between a rotary member and a stationary member for instructing rotation of the rotary member is to be filled to a volume having a range of lower limit being an amount to fill bearing gaps, including helical grooves, and as an upper limit being 70% of the capacity of the interior in which the lubricant can flow, measured from the end portion of a helical groove slide bearing portion closest to the interior of a vacuum container. In the rotating anode X-ray tube, leakage of the liquid metal lubricant can be prevented, and a stable bearing operation can be maintained.

Abstract translation: 在本发明的旋转阳极X射线管中，供给到旋转构件和静止构件之间的用于指示旋转构件的旋转的轴承部分的液体金属润滑剂将被填充到具有下限范围的体积 足以填充轴承间隙，包括螺旋槽，并且由最接近真空内部的螺旋槽滑动轴承部分的端部测量的上限是润滑剂可以流动的内部的容量的70％ 容器。 在旋转阳极X射线管中，能够防止液态金属润滑剂的泄漏，能够维持稳定的轴承运转。

公开(公告)号：US5583906A

公开(公告)日：1996-12-10

申请号：US411875

申请日：1995-03-28

Applicant: Hiroyuki Sugiura ,  Katsuhiro Ono ,  Makoto Tanaka

Inventor： Hiroyuki Sugiura ,  Katsuhiro Ono ,  Makoto Tanaka

IPC: H01J9/14 ,  H01J9/42 ,  H01J35/10

CPC classification number: H01J35/101 ,  H01J9/42 ,  H01J2235/106

Abstract: In a method of manufacturing a rotating anode type X-ray tube, in the step of checking the rotational balance of a rotary structure to which an anode target is fixed and correcting the rotational balance as required, the rotary structure is fitted on a stationary support jig which sprays a high-pressure gas from its interior, in place of a columnar stationary structure, to set the rotary structure upright. The rotary structure is rotated at a high speed while spraying the high-pressure gas, and the rotational balance of the rotary structure is checked. The rotational balance of a rotating unit can be checked in the air easily and at high precision, and can be adjusted directly in the outer air as required.

Abstract translation: 在制造旋转阳极型X射线管的方法中，在检查固定有阳极靶的旋转结构的旋转平衡的步骤和根据需要校正旋转平衡的步骤中，旋转结构安装在固定支撑件 从其内部喷射高压气体代替柱状静止结构的夹具，以将旋转结构竖直设置。 旋转结构在喷射高压气体的同时高速旋转，并且检查旋转结构的旋转平衡。 旋转单元的旋转平衡可以容易地和高精度地在空气中进行检查，并且可以根据需要直接在外部空气中进行调节。

公开(公告)号：US5504797A

公开(公告)日：1996-04-02

申请号：US344207

申请日：1994-11-17

Applicant: Axel Vetter

Inventor： Axel Vetter

IPC: F16C33/10 ,  F16N7/12 ,  F16N27/00 ,  H01J35/10 ,  H01J35/26

CPC classification number: F16N27/005 ,  F16C33/10 ,  F16N7/12 ,  H01J35/101 ,  H01J2235/106

Abstract: A rotary-anode X-ray tube includes a sleeve bearing, notably a helical groove bearing, for journalling the rotary anode. The bearing comprises a stationary and a rotatable bearing portion, a liquid lubricant being present between the two bearing portions and at least one of the bearing, portions being provided with at least one capillary-type lubricant duct. The lubricant duct can be particularly simply formed by imparting to the duct a cross-sectional area which is greater than permissible so as to achieve a capillary effect and by arranging in the lubricant duct a member which can be wetted by the lubricant and which extends over at least a part of the length of the lubricant duct, thus reducing the cross-sectional area of the lubricant duct to such an extent that a capillary effect is achieved.

Abstract translation: 旋转阳极X射线管包括用于支撑旋转阳极的套筒轴承，特别是螺旋槽轴承。 轴承包括固定和可转动的支承部分，液体润滑剂存在于两个轴承部分之间，并且至少一个轴承部分设置有至少一个毛细管型润滑剂管道。 润滑剂管道可以特别简单地通过向管道施加大于允许的横截面积以实现毛细管效应并且通过在润滑剂管道中布置可被润滑剂润湿并延伸到其上的部件 润滑剂管道的长度的至少一部分，从而将润滑剂管道的横截面积减小到达到毛细管效应的程度。