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公开(公告)号：US4593261A
公开(公告)日：1986-06-03
申请号：US696105
申请日：1985-01-29
摘要： A device for cooling a magnet system, especially in an installation for nuclear spin tomography which magnet system comprises several annular magnet coil windings which are made of ribbons of normal conducting material and are connected at their end faces over a large area to cooling elements in a heat conducting manner, the cooling elements cooled by a cooling medium flowing in coolant lines under forced flow. To assure an effective and reliable cooling of the coil windings on each end face of a magnet coil winding, a predetermined number of identically designed cooling elements uniformly distributed in the circumferential direction is cemented on, each cooling element comprising at least a heat conduction plate of annular sector shape which is provided with a predetermined number of slots uniformly distributed in the circumferential direction and to which the coolant line is connected over several turns in a heat conducting manner.
摘要翻译： 一种用于冷却磁体系统的装置，特别是在用于核自旋断层扫描的装置中，该磁体系统包括由正常导电材料的带制成的几个环形磁体线圈绕组，并且在其大面积上连接到冷却元件 导热方式，冷却元件由在强制流动下在冷却剂管线中流动的冷却介质冷却。 为了确保电磁线圈绕组的每个端面上的线圈绕组的有效和可靠的冷却，在圆周方向上均匀分布的预定数量的相同设计的冷却元件被胶合，每个冷却元件至少包括一个导热板 环形扇形，其具有在圆周方向上均匀分布的预定数量的狭槽，并且冷却剂管线以热传导方式连接几匝。
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2.发明授权Apparatus for adjustably mounting coils of a magnet system for nuclear spin tomography 失效用于可调节地安装用于核自旋断层扫描的磁体系统的线圈的装置
公开(公告)号：US4560933A
公开(公告)日：1985-12-24
申请号：US516249
申请日：1983-07-22
CPC分类号： G01R33/3802 , H01F7/20
摘要： An adjusting and holding assembly for magnet coils in a nuclear spin tomography system includes mechanical adjusting devices connected to a frame structure for the mutual alignment of the connected to a frame structure for the mutual alignment of the base field magnet coils. In order to enable a relatively simple adjustment of the individual magnet coils to produce a highly homogeneous base field, at least one of the magnet coils is rigidly connected to the frame structure, while each adjustable or positionable magnet coil is held at three points via at least one support device and three adjusting devices within the frame structure. Each support device comprises a support element in the form of a spherical sector rotatably mounted to a respective coil and slidably resting on a horizontal support surface of the frame structure. The support points of the adjustable magnet coils are longitudinally spaced from the center of gravity line of the respective magnet coil so that an additional tilting force is brought about.
摘要翻译： 在核自动断层摄影系统中的用于磁体线圈的调整和保持组件包括连接到框架结构的机械调节装置，用于连接到框架结构的相互对准以便使基场磁体线圈相互对准。 为了能够对各个磁体线圈进行相对简单的调整以产生高度均匀的基极场，至少一个磁体线圈刚性地连接到框架结构，而每个可调节或可定位的磁体线圈通过 至少一个支撑装置和框架结构内的三个调节装置。 每个支撑装置包括可旋转地安装到相应线圈并可滑动地搁置在框架结构的水平支撑表面上的球形扇形形式的支撑元件。 可调电磁线圈的支撑点与各个磁体线圈的重心线纵向间隔开，从而产生附加的倾斜力。
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3.发明授权Tomographic apparatus for producing transverse layer images of a radiography subject 失效用于产生放射摄影对象的横向图像的层析仪
公开(公告)号：US4230949A
公开(公告)日：1980-10-28
申请号：US44057
申请日：1979-05-31
摘要： A radiation measuring arrangement is present which comprises a radiation source producing a radiation beam penetrating the radiography subject, and also a radiation receiver which determines the radiation intensity behind the subject. The measuring arrangement is arranged on a support which can be displaced parallel to the plane of the layer on a rotating track. A motor for driving the rotating track is also coupled with a gear ring, rotatably mounted on the rotating track so that this ring is continually rotated, while the rotating track is driven from the motor via a step by step drive unit. A gear wheel (14) is driven by the ring and in turn drives a crank for effecting displacement of the support for the measuring arrangement and also drives a further crank for a weight equalizer member. The lever arms of the cranks may be adjusted by a common motor from a remote station.
摘要翻译： 存在辐射测量装置，其包括产生穿透射线照相物体的辐射束的辐射源，以及确定对象后面的辐射强度的辐射接收器。 测量装置布置在可在旋转轨道上平行于层的平面移位的支撑件上。 用于驱动旋转轨道的马达还与可旋转地安装在旋转轨道上的齿圈耦合，使得该环连续旋转，同时通过逐步驱动单元从马达驱动旋转轨迹。 齿轮（14）由环驱动并进而驱动曲柄以实现用于测量装置的支撑件的位移，并且还驱动用于重量均衡器构件的另一个曲柄。 曲柄的杠杆臂可以通过来自远程站的公共电动机来调节。
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4.发明授权Magnetic apparatus of a nuclear spin tomography system with an approximately hollow-cylindrical shielding device 失效具有大致中空圆柱形屏蔽装置的核自动断层扫描系统的磁性装置
公开(公告)号：US4673881A
公开(公告)日：1987-06-16
申请号：US795430
申请日：1985-11-06
CPC分类号： G01R33/421 , H01F7/20
摘要： The magnetic apparatus of a nuclear spin tomography system contains several magnet coils which are surrounded by an approximately hollow-cylindrical shielding device of ferromagnetic material. At each end face, this shielding device has a disc-shaped plate with a central opening. Four beam-like shielding elements of identical design having triangular or trapezoidal cross section, arranged distributed in the circumferential direction regularly on a common cylinder surface, extend between these plates at the end faces. With this magnetic apparatus, field distortions caused in the useful volume by the four beam-like shielding elements are substantially reduced. Each shielding element is extended in the outer regions of its base area facing the magnet coils to form a leg part extending toward the adjacent element which is spaced therefrom, which, together with the adjoining side surface of the shielding element, forms a common extended outside surface and has a predetermined thickness in the direction of the normal relative to this outside surface.
摘要翻译： 核自旋断层摄影系统的磁性装置包含几个由铁磁材料的大致中空圆柱形屏蔽装置包围的磁体线圈。 在每个端面处，该屏蔽装置具有带有中心开口的盘形板。 具有三角形或梯形横截面的相同设计的四个束状屏蔽元件在周向上规则地布置在公共圆筒表面上，在端面处在这些板之间延伸。 利用该磁性装置，四个束状屏蔽元件在有用的体积中引起的场失真明显减少。 每个屏蔽元件在其基部区域的面对磁体线圈的外部区域中延伸以形成向与其隔开的相邻元件延伸的腿部部分，其与屏蔽元件的相邻侧表面一起形成公共延伸的外部 并且在正常方向上相对于该外表面具有预定的厚度。
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公开(公告)号：US4192495A
公开(公告)日：1980-03-11
申请号：US874515
申请日：1978-02-02
CPC分类号： G03D13/003
摘要： The illustrated embodiment shows a film feeder for feeding individual film sheets to automatic developers. The film feeder has a magazine for receiving a stack of the film sheets, an extraction device and a transport device for transferring the individual film sheets extracted from the magazine into the automatic developer. The transport device contains an apparatus for selectively rotating the film sheets by approximately 45.degree. about their surface normal, and may be utilized with automatic developers which normally receive large-format films sheets, to enable the use of such developers with sheets of substantially shorter length dimension (e.g. 100 mm).
摘要翻译： 所示实施例示出了用于将各个薄膜片供给到自动显影剂的胶片馈送器。 胶片馈送器具有用于接收薄膜片叠的盒，提取装置和用于将从盒中提取的各个胶卷片转印到自动显影剂中的传送装置。 运输装置包括用于围绕其表面法线选择性地将薄膜片旋转约45度的装置，并且可以与通常接收大幅面薄膜片材的自动显影剂一起使用，以使得能够使用具有基本上较短长度的片材 尺寸（例如100mm）。
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公开(公告)号：US3943366A
公开(公告)日：1976-03-09
申请号：US323318
申请日：1973-01-12
CPC分类号： G01T1/1645 , G21K1/025
摘要： A collimator for a ray diagnosing device for taking pictures produced by gamma rays or similar penetrating rays consists of a honeycomblike constructed body with many holes, the walls of which absorb the rays. The invention is particularly characterized in that the walls of the collimator are made of strips which extend parallel to each other in their longitudinal directions and are so folded transversely to their longitudinal extension that when two strips are placed next to each other one side of a strip makes a series of holes with the adjacent side of the following strip, the holes having a symmetry axis which coincides with the line separating the two strips.
摘要翻译： 用于拍摄由γ射线或类似穿透线产生的照片的射线诊断装置的准直器由具有许多孔的蜂窝状构造体组成，其壁壁吸收射线。 本发明的特征特征在于，准直器的壁由在其纵向方向上彼此平行延伸的条形成，并且横向于其纵向延伸部折叠，当两个条彼此相邻放置时，条带的一侧 与随后的条带的相邻侧面形成一系列孔，该孔具有与分离两个条带的线重合的对称轴。
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7.发明授权
公开(公告)号：US4402085A
公开(公告)日：1983-08-30
申请号：US238224
申请日：1981-02-26
摘要： In an exemplary embodiment, the current supply of the x-ray tube proceeds via a slip ring arrangement with sliding contacts arranged between the rotating frame and the stationary apparatus part. The slip ring arrangement with the sliding contacts is provided between two coaxial rings of which one is connected with the rotating frame, and the other is stationary. The rings have axially projecting intermeshing ribs, and the central openings of the rings are designed for the purpose of insertion of the patient support.
摘要翻译： 在示例性实施例中，X射线管的电流供应经由滑动环装置进行，其中滑动接触件布置在旋转框架和固定装置部件之间。 具有滑动触点的滑环装置设置在两个同轴环之间，一个与旋转框架连接，另一个是静止的。 环具有轴向突出的相互啮合的肋，并且环的中心开口被设计用于插入患者支架。
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