Cathode Emitter To Emitter Attachment System And Method

    公开(公告)号:US20200066475A1

    公开(公告)日:2020-02-27

    申请号:US16106262

    申请日:2018-08-21

    Abstract: A pair of straight or angularly oriented flat emitters formed of an electron emissive material are positioned on an emitter support structure and are electrically connected to one another regardless of the mounting structure on which the emitters are positioned. The electrical connections between the emitters are formed directly between the emitters using electrically conductive material members that are placed between and affixed to the emitters to provide the electrical pathway or connection therebetween the emitters after formation of the emitters. These electrical connection members form an electrical connection between the angled pair of emitters separately from an emitter support structure on the cathode, such that the electrical connection members and angled emitters including the connection members can separate the mechanical architecture of the cathode assembly from the electrical architecture, thereby creating a simplified construction for the cathode assembly and associated x-ray tubes.

    Surface stationary array coil structure for multi-modality imaging
    2.
    发明授权
    Surface stationary array coil structure for multi-modality imaging 有权
    用于多模态成像的表面固定阵列线圈结构

    公开(公告)号:US09433349B2

    公开(公告)日:2016-09-06

    申请号:US13943884

    申请日:2013-07-17

    Abstract: A stand-alone MR or hybrid PET-MR imaging system incorporating a surface stationary RF coil structure is disclosed. The imaging system includes a support assembly comprising a cradle to accommodate a subject and a bridge to receive the cradle and provide for translation therealong to enable an acquisition of imaging data. An RF coil structure is positioned between the bridge and the cradle, and includes a base portion, a cover portion, and an array of RF coil elements positioned on the cover portion. The cover portion includes contoured features that enable placement of RF coil elements in proximity to a subject and to provide a constant and uniform gap between the RF elements and the cradle. The RF coil structure also includes structural elements that support the cradle when rolling over the array of RF coil elements without deforming the RF coil elements.

    Abstract translation: 公开了一种包含表面静止RF线圈结构的独立MR或混合PET-MR成像系统。 该成像系统包括支撑组件,该支撑组件包括用于容纳受试者的支架和用于接收托架的桥,并且提供沿着其平移的转换以使得能够获取成像数据。 RF线圈结构位于桥架和支架之间,并且包括底座部分,盖部分和位于盖部分上的RF线圈元件阵列。 盖部分包括能够将RF线圈元件放置在受试者附近并且在RF元件和支架之间提供恒定且均匀的间隙的轮廓特征。 RF线圈结构还包括当在RF线圈元件阵列上滚动而不使RF线圈元件变形时支撑支架的结构元件。

    Radio frequency (RF) body coil assembly for dual-modality imaging
    3.
    发明授权
    Radio frequency (RF) body coil assembly for dual-modality imaging 有权
    射频(RF)线圈组件用于双模态成像

    公开(公告)号:US09188651B2

    公开(公告)日:2015-11-17

    申请号:US14671198

    申请日:2015-03-27

    Abstract: A radio frequency (RF) body coil assembly includes a coil support structure including an inner tubular member, an outer tubular member disposed radially outwardly from the inner tubular member, and a structural material disposed between the inner and outer tubular members, an RF coil mounted to an inner surface of the coil support structure, and a positron emission tomography (PET) detector assembly mounted to an outer surface of the coil support structure. A dual-modality imaging system is also described.

    Abstract translation: 射频(RF)体线圈组件包括线圈支撑结构,其包括内部管状构件,从内部管状构件径向向外设置的外部管状构件以及设置在内部和外部管状构件之间的结构材料,RF线圈安装 到线圈支撑结构的内表面,以及安装到线圈支撑结构的外表面的正电子发射断层摄影(PET)检测器组件。 还描述了双模态成像系统。

    Flat Emitters With Stress Compensation Features

    公开(公告)号:US20180350549A1

    公开(公告)日:2018-12-06

    申请号:US15614018

    申请日:2017-06-05

    CPC classification number: H01J35/06

    Abstract: A flat emitter for uses within an x-ray tube is formed of an electron emissive material that includes one or more stress compensation features capable of reducing the total stress in the flat emitter due to thermal expansion and/or centrifugal acceleration force. The features of the emitter for reducing the total stress in the flat emitter are formed directly on the emitter, are formed on the support structure for the emitter and connected to the emitter, or a combination thereof.

    Passive thermal control of x-ray tubes

    公开(公告)号:US11424095B1

    公开(公告)日:2022-08-23

    申请号:US16451313

    申请日:2019-06-25

    Abstract: A system for passive thermal control of an X-ray tube is provided. The system includes an X-ray tube having an electron beam target and including a rotary bearing assembly supporting the electron beam target in rotation. The rotary bearing assembly includes a stationary shaft and a bearing sleeve configured to rotate with respect to the stationary shaft during operation of the X-ray tube. The rotary bearing assembly also includes a first coolant flow path extending through a center of the stationary shaft and a second coolant flow path disposed through a radially inward portion of the stationary shaft disposed about the center of the stationary shaft. The rotary bearing assembly further includes a flow control valve configured to passively regulate flow of coolant through the second coolant flow path based on a pressure of the coolant.

    Cathode emitter to emitter attachment system and method

    公开(公告)号:US10998160B2

    公开(公告)日:2021-05-04

    申请号:US16106262

    申请日:2018-08-21

    Abstract: A pair of straight or angularly oriented flat emitters formed of an electron emissive material are positioned on an emitter support structure and are electrically connected to one another regardless of the mounting structure on which the emitters are positioned. The electrical connections between the emitters are formed directly between the emitters using electrically conductive material members that are placed between and affixed to the emitters to provide the electrical pathway or connection therebetween the emitters after formation of the emitters. These electrical connection members form an electrical connection between the angled pair of emitters separately from an emitter support structure on the cathode, such that the electrical connection members and angled emitters including the connection members can separate the mechanical architecture of the cathode assembly from the electrical architecture, thereby creating a simplified construction for the cathode assembly and associated x-ray tubes.

    Current restrictive spring-loaded electrical connection device

    公开(公告)号:US09882301B1

    公开(公告)日:2018-01-30

    申请号:US15589992

    申请日:2017-05-08

    CPC classification number: H01R13/2421 H01R13/53 H05G1/70

    Abstract: A connector pin assembly configured to engage an electrical interface. The connector pin assembly comprises a conductive outer cylinder configured to be connected to a power supply that supplies current or voltage; a conductive inner cylinder located at least partially within the outer cylinder; and a biasing member disposed within the inner cylinder. The connector pin assembly further comprises a conductive plunger slidably disposed within and engaged with the inner cylinder and the biasing member; a non-conductive member disposed within the inner cylinder, the non-conductive member operable to restrict a current or voltage flowing through the connector pin along a path from the outer cylinder through the inner cylinder to the plunger without contacting the biasing member.

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