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1.发明授权Rotary assembly including in particular radial support means and a magnetic axial abutment 失效旋转组件包括特别是径向支撑装置和磁轴向支座
公开(公告)号：US5652473A
公开(公告)日：1997-07-29
申请号：US577766
申请日：1995-12-22
IPC分类号： F04D19/04 , F16C32/04 , F16C39/06 , H02K7/09 , H02K7/14 , H02K21/22 , H02K29/03 , H02K29/08 , H02K7/08
CPC分类号： H02K21/22 , F04D19/048 , F16C32/0465 , F16C32/0489 , H02K29/03 , H02K7/09 , F16C2300/62 , F16C2360/45 , H02K29/08 , H02K7/14
摘要： A rotary assembly comprising a stator and a rotor of axis .DELTA., rotary drive means, radial support means, and an active magnetic axial abutment comprising a magnetic circuit in two portions, namely a fixed portion, and a moving portion, the two portions being separated from each other by two parallel plane air gaps, each portion of said magnetic circuit being circularly symmetrical about axis .DELTA., and having the shape of an open channel-section extending about said axis .DELTA., the open ends of the two portions of magnetic circuit facing each other, an electrical coil being received in the inside annular space of the fixed portion of the magnetic circuit, wherein a drive winding secured to said axial abutment coil and received in the inside annular space of the moving portion of said magnetic circuit co-operates with permanent magnets fixed to the moving portion of said magnetic circuit, and facing said drive winding.
摘要翻译： 一种旋转组件，包括定子和轴线DELTA的转子，旋转驱动装置，径向支撑装置和主动磁轴向支座，其包括两部分中的磁路，即固定部分和移动部分，两个部分被分离 通过两个平行的平面气隙彼此相对，所述磁路的每个部分围绕轴线DELTA是圆形对称的，并且具有围绕所述轴线DELTA延伸的开放通道截面的形状，磁路的两个部分的开口端面向 彼此相连，电磁线圈被接收在磁路的固定部分的内环形空间中，其中固定到所述轴向抵接线圈并被容纳在所述磁路的运动部分的内环形空间中的驱动绕组协作 其中永磁体固定到所述磁路的运动部分，并面对所述驱动绕组。
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2.发明授权Mechanical pump assembly for pumping a secondary vacuum, and a leak detection installation using such an assembly 失效用于泵送次级真空的机械泵组件，以及使用这种组件的泄漏检测装置
公开(公告)号：US5116196A
公开(公告)日：1992-05-26
申请号：US550403
申请日：1990-07-10
CPC分类号： G01M3/205 , F04D19/044 , G01M3/202
摘要： A mechanical pump assembly (20) for pumping a secondary vacuum, the assembly comprising two pumping stages, the first stage having a suction inlet (9) and the second stage having a suction orifice (10), said inlet and said orifice both opening out to the outside, both stages having a common delivery outlet (4), the pump assembly being characterized in that both of said pumping stages are of the Holweck drum type, said first stage having a compression ratio of about 50 for a gas such as helium and of about 30,000 for air, the pumping speed of the first stage being about 4 l/s for air and about 2.5 l/s for said gas, and in that said second stage has a pumping speed of about 3.5 l/s for air and of about 2 l/s for said gas, the nominal speed of rotation of said mechanical pump assembly being about 27,000 rpm.
摘要翻译： 一种用于泵送二次真空的机械泵组件（20），所述组件包括两个泵送阶段，所述第一阶段具有吸入口（9），所述第二阶段具有吸入口（10），所述入口和所述孔口均打开 在两个阶段之间具有共同的输送出口（4），所述泵组件的特征在于两个所述泵送阶段均为Holweck滚筒式，所述第一阶段对于诸如氦气之类的气体具有约50的压缩比 对于空气为约30,000，第一级的泵送速度对于空气为约4l / s，对于所述气体为约2.5l / s，并且所述第二级的空气的抽速为约3.5l / s 并且对于所述气体为约2l / s，所述机械泵组件的标称转速为约27,000rpm。
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公开(公告)号：US20120326031A1
公开(公告)日：2012-12-27
申请号：US13459578
申请日：2012-04-30
IPC分类号： H01J37/21
CPC分类号： A61B6/482 , A61B6/4035 , A61B6/405 , A61B6/542 , G21K1/02 , H01J35/10 , H01J35/14 , H01J35/305 , H01J2235/086 , H01J2235/166
摘要： A medical imaging method comprising generating a radiation at a first energy level by a radiation source, generating a radiation at a second energy level different from the first energy level by the radiation source, emitting the generated radiations at an output of the radiation source towards a detector, and blocking or diverting the emitted radiations during at least one intermediate phase during which the radiation source switches in a transient way from one of the first energy level and the second energy level to the other of the first energy level and the second energy level.
摘要翻译： 一种医学成像方法，包括通过辐射源产生处于第一能级的辐射，通过所述辐射源产生不同于所述第一能级的第二能级的辐射，在所述辐射源的输出处朝向 检测器，以及在至少一个中间相位期间阻断或转移所发射的辐射，在该中间相位期间，辐射源以瞬态方式从第一能量级和第二能级之一切换到第一能级和第二能级中的另一级 。
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公开(公告)号：US5722819A
公开(公告)日：1998-03-03
申请号：US671555
申请日：1996-06-27
IPC分类号： F04D19/04
CPC分类号： F04D19/04
摘要： A molecular drag pump comprising a rotor and a stator, the pump being of the type including at least alternating finned stages of the rotor and of the stator, and in which the rotor is bell-shaped, while the stator includes at least one external portion carrying the stator fins and at least one internal portion penetrating into the bell-shaped rotor, said internal portion closing the pump at its delivery end and including a flange-forming external peripheral rim, wherein said external portion of the stator carrying the stator pins is made up of two half-stators that meet in a diametral plane, each half-stator comprising a single piece and being positioned axially by having a bearing surface situated at its end remote from its suction end that hooks into a complementary circular groove of said internal portion of the stator, and wherein the outside diameter of the first finned stage of the rotor at its suction end corresponds, ignoring operating clearance, to the outside diameter of the external portion of the stator.
摘要翻译： 一种包括转子和定子的分子阻力泵，所述泵的类型至少包括转子和定子的交替翅片级，并且其中转子是钟形的，而定子包括至少一个外部部分 承载所述定子翅片和至少一个内部部分，所述至少一个内部部分贯穿所述钟形转子，所述内部部分在其输送端封闭所述泵并且包括凸缘形成外周边缘，其中所述定子销的外部部分是 由在直径面上相遇的两个半定子组成，每个半定子包括单件，并且通过具有位于其远离其吸入端的端部的轴承表面轴向定位，所述端部钩在所述内部的互补圆形槽中 定子的一部分，并且其中在其吸入端处的转子的第一翅片级的外径对应于忽略操作间隙的操作间隙 定子的外部部分。
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公开(公告)号：US5060760A
公开(公告)日：1991-10-29
申请号：US525811
申请日：1990-05-18
CPC分类号： F16N29/02 , F16C19/52 , F16C33/6625 , F16N7/38 , F16C19/54
摘要： A device for feeding grease to the bearings of a rotary machine comprising a stator and a rotor, the device comprising injectors for injecting grease into said bearings, the injectors being controlled by an electronic control circuit which has inputs receiving signals from sensors for sensing parameters characteristic of the operating state of the bearings. The injectors are connected to a supply of grease under pressure and comprise injector blocks each connected to a respective bearing feeder channel. The sensors are pressure and temperature sensors, and the electronic circuit includes a clock and generates injection cycles as a function of a preestablished program, taking account of the information provided by the sensors and by the operating time of the bearings.
摘要翻译： 一种用于将润滑脂供给到包括定子和转子的旋转机械的轴承的装置，该装置包括用于将润滑脂注入所述轴承的喷射器，所述喷射器由电子控制电路控制，所述电子控制电路具有从用于感测参数特性的传感器接收信号的输入 的轴承的运行状态。 喷射器连接到压力下的油脂供应，并且包括各自连接到相应的轴承进料通道的喷射器块。 传感器是压力和温度传感器，并且电子电路包括时钟，并且考虑到由传感器提供的信息和轴承的操作时间，并且根据预先建立的程序产生喷射循环。
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公开(公告)号：US09198629B2
公开(公告)日：2015-12-01
申请号：US13459578
申请日：2012-04-30
CPC分类号： A61B6/482 , A61B6/4035 , A61B6/405 , A61B6/542 , G21K1/02 , H01J35/10 , H01J35/14 , H01J35/305 , H01J2235/086 , H01J2235/166
摘要： A medical imaging method comprising generating a radiation at a first energy level by a radiation source, generating a radiation at a second energy level different from the first energy level by the radiation source, emitting the generated radiations at an output of the radiation source towards a detector, and blocking or diverting the emitted radiations during at least one intermediate phase during which the radiation source switches in a transient way from one of the first energy level and the second energy level to the other of the first energy level and the second energy level.
摘要翻译： 一种医学成像方法，包括通过辐射源产生处于第一能级的辐射，通过所述辐射源产生不同于所述第一能级的第二能级的辐射，在所述辐射源的输出处朝向 检测器，以及在至少一个中间相位期间阻断或转移所发射的辐射，在该中间相位期间，辐射源以瞬态方式从第一能量级和第二能级之一切换到第一能级和第二能级中的另一级 。
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7.发明授权High-voltage transformer and power supply for an X-ray tube including such a transformer 有权包括这种变压器的X射线管的高压变压器和电源公开(公告)号：US08098124B2
公开(公告)日：2012-01-17
申请号：US12731176
申请日：2010-03-25
IPC分类号： H01F27/28
摘要： A high-voltage transformer has a plurality of elementary transformers. Each elementary transformer comprises an elementary primary circuit configured to be powered by an elementary primary voltage, an elementary secondary circuit comprising at least one secondary winding and at least one capacitor that is connected to the terminals of a secondary winding, and an elementary magnetic circuit configured to couple the elementary primary circuit and the elementary secondary circuit. The output voltage of the transformer is equal to the sum of the elementary balanced secondary voltages, and the elementary primary circuits are connected to one another so as to form a common circuit with the elementary transformers. The common circuit is configured to be supplied by a primary voltage, which is equal to the sum of the elementary primary voltages.
摘要翻译： 高压变压器具有多个基本变压器。 每个基本变压器包括被配置为由基本初级电压供电的基本初级电路，包括至少一个次级绕组的基本次级电路和连接到次级绕组的端子的至少一个电容器，以及配置成 耦合基本初级电路和基本二次电路。 变压器的输出电压等于基本平衡二次电压之和，并且基本初级电路彼此连接，以便与基本变压器形成公共电路。 公共电路被配置为由初级电压提供，该初级电压等于基本初级电压之和。
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公开(公告)号：US20100301985A1
公开(公告)日：2010-12-02
申请号：US12474569
申请日：2009-05-29
申请人： Jing Luo , Saijun Mao , Yunfeng Liu , Denis Perrillat-Amede , Philippe Ernest , Xiaoming Yuan
发明人： Jing Luo , Saijun Mao , Yunfeng Liu , Denis Perrillat-Amede , Philippe Ernest , Xiaoming Yuan
IPC分类号： H01F17/04
摘要： A power generation system comprises a power source, a transformer module for converting a low voltage from the power source into a higher voltage, and a voltage-multiplier module for amplifying higher voltage from the transformer module. The transformer module comprises a number N of transformer units. Each transformer unit comprises at least one transformer, and each transformer comprises a magnetic core, a primary winding, and a secondary winding. Primary windings of the transformers in the transformer module are electrically coupled in parallel to the power source, secondary windings of the transformers of each transformer unit comprise a pair of output terminal, and N is equal to or greater than two. The voltage-multiplier module comprises the number N of multipliers. Each multiplier module comprises a positive and a negative input terminal, and a positive and a negative output terminal. Positive and negative terminals of each multiplier are electrically coupled to the positive and negative output terminals of a corresponding transformer unit, and positive and negative output terminals of the multipliers are connected in series.
摘要翻译： 发电系统包括电源，用于将来自电源的低电压转换为更高电压的变压器模块，以及用于从变压器模块放大更高电压的电压 - 倍增器模块。 变压器模块包括N个变压器单元。 每个变压器单元包括至少一个变压器，并且每个变压器包括磁芯，初级绕组和次级绕组。 变压器模块中的变压器的初级绕组与电源并联电耦合，每个变压器单元的变压器的次级绕组包括一对输出端子，并且N等于或大于2。 电压倍增器模块包括N个乘法器。 每个乘法器模块包括正输入端和负输入端，以及正输出端和负输出端。 每个乘法器的正和负端子电耦合到相应变压器单元的正和负输出端子，并且乘法器的正和负输出端子串联连接。
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公开(公告)号：US5542825A
公开(公告)日：1996-08-06
申请号：US516939
申请日：1995-08-18
CPC分类号： F04D19/04 , F04D25/0606
摘要： A turbomolecular pump comprising a stator and a rotor, said rotor comprising a central shaft and a bell-shaped active portion, said stator comprising an outer portion and an inner portion that penetrates into the cavity of said bell-shaped active portion, and that supports the stator portion of the drive motor, the shaft of said rotor supporting the rotor portion of said drive motor, wherein said central shaft and the bell-shaped active portion of the rotor are made in one piece, without any assembly being necessary, and of a non-magnetic material, said shaft being provided with a central bore which receives the rotor portion of said drive motor, which portion is constituted by a cylindrical permanent magnet.
摘要翻译： 一种包括定子和转子的涡轮分子泵，所述转子包括中心轴和钟形活动部分，所述定子包括穿过所述钟形活动部分的空腔的外部部分和内部部分，并且支撑 驱动电动机的定子部分，所述转子的轴支撑所述驱动电动机的转子部分，其中所述中心轴和转子的钟形有效部分制成一体，而不需要任何组件，以及 非磁性材料，所述轴设置有中心孔，所述中心孔容纳所述驱动电动机的转子部分，该部分由圆柱形永磁体构成。
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公开(公告)号：US5439357A
公开(公告)日：1995-08-08
申请号：US190983
申请日：1994-02-03
CPC分类号： F04C2/10 , F04C15/008 , F04C2/22
摘要： A positive-displacement machine comprising a piston situated in a casing. The outline of the piston is hypertrochoidal, as is the outline of the hollow inside volume of the casing. The piston has n axes of symmetry, and the casing has n+1 axes of symmetry. The piston rotates inside the casing in orbital motion about the axis .DELTA.c of the casing. To obtain the rotation in orbital motion, firstly the piston is freely rotatably mounted on a crank pin that has its axis offset relative to the axis of a supporting shaft that is coaxial with the axis .DELTA.c of the casing, the shaft being rotated, and secondly the surface of the piston and the surface of the hollow inside volume of the casing are equipped with permanent magnets creating magnetic repulsion forces.
摘要翻译： 一种正排量机器，其包括位于壳体中的活塞。 活塞的轮廓是高度瓣膜，外壳的空心内部体积的轮廓也是如此。 活塞具有n个对称轴，壳体具有n + 1个对称轴。 活塞围绕壳体的轴线DELTA c以轨道运动在壳体内旋转。 为了获得轨道运动中的旋转，首先，活塞可自由旋转地安装在曲柄销上，该曲柄销的轴线相对于与壳体的轴线DELTA c同轴，轴旋转的支撑轴的轴线偏移，并且 其次，活塞的表面和壳体的中空内部体积的表面配备有产生磁力排斥力的永磁体。
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