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    • 1. 发明授权
    • Method and apparatus for the propulsion of water vehicles
    • 水车推进方法和装置
    • US5352139A
    • 1994-10-04
    • US646613
    • 1991-01-23
    • Gunther LaukienArne KastenMichael Westphal
    • Gunther LaukienArne KastenMichael Westphal
    • B63H11/04B63H11/02H02K31/02H02K44/04H02K44/08H02K44/14B60L11/02
    • H02K31/02B63H11/025H02K44/04
    • An apparatus is disclosed for the propulsion of water vehicles. A magnet field as well as an electric field with essentially perpendicular field lines are produced in a pipe through which surrounding water flows. In this manner, a force is exercised upon charge carriers within the surrounding water and this force is used as a propulsion force for the water vehicle. The pipe is surrounded by a solenoid coil which is arranged essentially coaxially to the pipe. A first electrode is arranged essentially along the axis of the pipe and a voltage source is switched between the electrode and the pipe, acting as a second electrode. An Archimedes' screw is arranged in the cylindrical gap between the electrode and the pipe in order to deflect the surrounding water circulating about the axis into an axial direction, or the screw is rotationally rigidly connected to a moving conductor arranged perpendicularly to the direction of the magnet field.
    • PCT No.PCT / DE90 / 00379 Sec。 371日期1991年1月23日 102(e)日期1991年1月23日PCT提交1990年5月23日PCT公布。 出版物WO90 / 14265 日期为1990年11月29日。公开了用于推进水车辆的装置。 在围绕水流过的管道中产生磁场以及具有基本垂直的场线的电场。 以这种方式,在周围水中的电荷载体上施加力,并且该力被用作水车辆的推进力。 管道被螺线管线圈围绕,螺线管线圈基本上与管道同轴地布置。 第一电极基本上沿着管的轴线布置,并且电压源在电极和管之间切换,用作第二电极。 将阿基米德螺丝布置在电极和管之间的圆柱形间隙中,以便使围绕轴线循环的周围水沿轴向偏转,或者螺钉旋转地刚性地连接到垂直于 磁场。
    • 4. 发明授权
    • Method of operating submerged submarines and submarine
    • 运行潜艇和海员的方法
    • US5143007A
    • 1992-09-01
    • US602317
    • 1990-11-15
    • Gunther LaukienArne Kasten
    • Gunther LaukienArne Kasten
    • B63G8/34
    • B63G8/34
    • A method for operating submerged submarines and a submarine are disclosed which are used to camouflage submerged submarines which, while submerged and travelling, draw a trail of heated cooling water behind themselves. In order to reduce the risk of detection of such submerged submarines by means of heat-sensitive detectors, either the density of the heated cooling water is increased through the introduction of additives, or, the heated cooling water is brought, by mechanical means, to a depth far below the submarine for preventing heated-up cooling water to rise up to the sea surface.
    • PCT No.PCT / DE90 / 00194 Sec。 371日期1990年11月15日 102(e)1990年11月15日日期PCT 1990年3月16日PCT PCT。 第WO90 / 10575号公报 1990年9月20日。一种用于操作潜艇和潜艇的方法被公开用于伪装潜水艇,潜艇在淹没和旅行的同时在其后面绘制一列加热的冷却水。 为了降低通过热敏检测器检测这种潜水艇的风险,通过引入添加剂来增加加热的冷却水的密度,或者通过机械方法将加热的冷却水带到 远远低于潜艇的深度,以防止加热的冷却水上升到海面。
    • 6. 发明授权
    • Therapy tomograph with homogeneity device
    • 具有均匀装置的治疗层析成像仪
    • US5485088A
    • 1996-01-16
    • US437598
    • 1995-05-09
    • Michael WestphalGunther Laukien
    • Michael WestphalGunther Laukien
    • A61B5/055A61B90/00G01R33/38G01R33/387G01R33/3873G01R33/3875G01V3/00
    • G01R33/387A61B90/36A61B2090/374G01R33/3806G01R33/3873G01R33/3875
    • In an NMR tomograph with superconducting main field coil (10) and large transverse access opening a compensation of inhomogeneities of the static magnetic field without hindering the axial and transverse access to the investigational volume (V) can be effected by the following elements:ferromagnetic homogeneity elements (20) which are arranged on the surface of the room temperature bore on both sides of the transverse access opening;at least four superconducting correction coils (C.sub.1 and C.sub.4) which can be separately supplied with current and which are coaxial to the main field coil (10), whereby each correction coil (C.sub.1 through C.sub.4) comprises at least two partial coils (C.sub.1i, C.sub.1a through C.sub.4i, C.sub.4a), whereby all partial coils of all correction coils (C.sub.1 through C.sub.4) are cylindrical coils coaxial to a common axis (z) having a diameter less than the inner diameter (d.sub.a2) of the outer field coil (1a, 1b), whereby in each correction coil one partial coil (C.sub.li through C.sub.4i) has, in each case, as small a separation from the middle plane (E) as possible generally equal to the separation of the radially inner field current pair (2a, 2b) from the middle plane and whereby each correction pair has, in each case, at least one second partial coil (C.sub.1a through C.sub.4a) with an oppositely directed current which has a larger axial separation from the middle plane (E) than the radially inner field coil pair (2a, 2b).
    • 在具有超导主励磁线圈(10)和大横向通路开口的NMR断层扫描仪中,静态磁场的不均匀性的补偿不妨碍对研究体积(V)的轴向和横向进入,可以通过以下元件来实现:铁磁均匀性 元件(20),其布置在横向进入开口的两侧的室温孔的表面上; 至少四个超导校正线圈(C1和C4),其可以单独提供电流并且与主励磁线圈(10)同轴,由此每个校正线圈(C1至C4)包括至少两个部分线圈(C1i,C1a) 通过C4i,C4a),其中所有校正线圈(C1至C4)的所有部分线圈是与直径小于外部场线圈(1a,1b)的内径(da2)的公共轴线(z)同轴的圆柱形线圈 ),由此在每个校正线圈中,每个部分线圈(Cli至C4i)在每种情况下具有尽可能小的距中间平面(E)的距离,通常等于径向内部电场电流对(2a,2b)的间隔 ),并且由此每个校正对在每种情况下具有至少一个具有相对定向电流的第二部分线圈(C1a至C4a),其具有比中间平面(E)更大的轴向间隔,而不是径向内部场 线圈对(2a,2b)。
    • 7. 发明授权
    • Magnet system
    • 磁铁系统
    • US5168211A
    • 1992-12-01
    • US761736
    • 1991-09-11
    • Gunther LaukienMichael Westphal
    • Gunther LaukienMichael Westphal
    • G01R33/381A61B5/055G01R33/20G01R33/38G01R33/3815G01R33/421H01F7/20
    • G01R33/421G01R33/3806
    • A magnet system to generate a static, uniform magnetic field in the examination chamber of a nuclear spin tomograph has a pair of outer field coils (1a, 1b) arranged on a common axis (a) at a mutual axial distance (g.sub.1) and a pair of inner field coils (2a, 2b) coaxial with the outer ones which are also equal to each other, in which both pairs of coils are arranged symmetrically to a central plane (E) perpendicular to the common axis (a). The axial distance (g.sub.1) between the outer field coils (1a and 1b) is 40 to 60% of their inside diameter (da.sub.2). The axial distance (g.sub.2) between the inner field coils (2a and 2b) is, with a maximum deviation of 15%, equal to that (g.sub.1) between the outer coils (1a and 1b). The magnet system forms an almost eight-order coil system and there is at least one transverse access aperture running across the direction of the uniform magnetic field and between the inner field coils (2a, 2b). The magnet system is small by comparison with the examination chamber and relatively light.
    • PCT No.PCT / DE90 / 00171 Sec。 371日期1991年9月11日 102(e)1991年9月11日PCT PCT 1990年3月8日PCT公布。 第WO90 / 10877号公报 日本1990年9月20日。在核自动断层摄影机的检查室中产生静态,均匀的磁场的磁体系统具有一对在共同轴线(a)上相互配置的外部场线圈(1a,1b) 轴向距离(g1)和与外部线圈同轴的一对内部磁场线圈(2a,2b)彼此相等,其中两对线圈对称地布置成垂直于共同的中心平面(E) 轴(a)。 外磁场线圈(1a和1b)之间的轴向距离(g1)为其内径的40至60%(da2)。 内磁场线圈(2a和2b)之间的轴向距离(g2)最大偏差为15%,等于外线圈(1a和1b)之间的距离(g1)。 磁体系统形成几乎八阶的线圈系统,并且至少有一个穿过均匀磁场的方向和内部场线圈(2a,2b)之间的横向进入孔。 与检查室相比,磁体系统较小,相对较轻。
    • 8. 发明授权
    • Therapy tomograph with homogeneity device
    • 具有均匀装置的治疗层析成像仪
    • US5545997A
    • 1996-08-13
    • US502237
    • 1995-07-13
    • Michael WestphalGunther Laukien
    • Michael WestphalGunther Laukien
    • A61B19/00G01R33/38G01V3/00
    • G01R33/3875A61B90/36G01R33/3815G01R33/3806
    • In an NMR tomograph with superconducting main field coil (10) and large transverse access opening a compensation of inhomogeneities of the static magnetic field without hindering the axial and transverse access to the investigational volume (V) can be effected by the following elements:ferromagnetic homogeneity elements (20) which are arranged on the surface of the room temperature bore on both sides of the transverse access opening;at least one or more (a number p.gtoreq.1) superconducting correction coils (C.sub.1 and C.sub.p) which can be separately supplied with current and which are coaxial to the main field coil (10), whereby each correction coil (C.sub.1 through C.sub.p) comprises at least two partial coils (C.sub.1i, C.sub.1a through C.sub.pi, C.sub.pa), whereby all partial coils of all correction coils (C.sub.1 through C.sub.p) are cylindrical coils coaxial to a common axis (z) having a diameter less than the inner diameter (d.sub.a2) of the outer field coil (1a, 1b), whereby in each correction coil one partial coil (C.sub.1i through C.sub.pi) has, in each case, as small a separation from the middle plane (E) as possible generally equal to the separation of the radially inner field current pair (2a, 2b) from the middle plane and whereby each correction pair has, in each case, at least one second partial coil (C.sub.1a through C.sub.pa) with an oppositely directed current which has a larger axial separation from the middle plane (E) than the radially inner field coil pair (2a, 2b).
    • 在具有超导主励磁线圈(10)和大横向通路开口的NMR断层扫描仪中,静态磁场的不均匀性的补偿不妨碍对研究体积(V)的轴向和横向进入,可以通过以下元件来实现:铁磁均匀性 元件(20),其布置在横向进入开口的两侧的室温孔的表面上; 至少一个(多个p> / = 1)超导校正线圈(C1和Cp),其可以单独提供电流并与主励磁线圈(10)同轴,由此每个校正线圈(C1至Cp )包括至少两个部分线圈(C1i,C1a至Cpi,Cpa),由此所有校正线圈(C1至Cp)的所有部分线圈是与直径小于内径的公共轴线(z)同轴的圆柱形线圈 da1),由此在每个校正线圈中,每个部分线圈(C1i至Cpi)在每种情况下具有与中间平面(E)的距离尽可能小,通常等于分离 (2a,2b)的中心平面,从而每个校正对在每种情况下都具有至少一个具有相对定向电流的第二部分线圈(C1a至Cpa),其具有较大的轴向间隔 中间平面(E)比径向内磁场线圈对(2a,2b)更宽。
    • 9. 发明授权
    • Gradient coils for therapy tomographs
    • 用于治疗断层扫描的梯度线圈
    • US5414360A
    • 1995-05-09
    • US118005
    • 1993-09-08
    • Michael WestphalGunther Laukien
    • Michael WestphalGunther Laukien
    • G01R33/385G01V3/00
    • G01R33/385
    • A nuclear spin resonance (NMR) measuring device, in particular an NMR tomography apparatus with a preferentially superconducting main field coil which is capable of producing, within a measurement volume whose center is coincident with the origin of a Cartesian coordinate system x, y, z, a homogeneous static magnetic field B.sub.0 in the direction of the z-axis of this coordinate system and with a tesseral gradient coil system for the production of magnetic gradient fields with a largely linear dependence within the measuring volume in a direction perpendicular to the z-axis, whereby the gradient coil system comprises at least four largely identical saddle-type partial coils arranged symmetrically with radial and axial separations from the coordinate origin, the partial coils each exhibiting two electrically conducting segments which run about the z-axis in the azimuthal direction one segment (21) of which has as small a radial separation r.sub.1 and the other segment (22) as large a radial separation r.sub.2 as possible from the z-axis, is characterised in that both azimuthal segments (21, 22) exhibit an axial separation from each other in the direction of the z-axis, whereby the radially outer segment (22) with the radial separation r.sub.2 from the z-axis is, with respect to the z-axis, arranged axially closer to the coordinate origin than the radially inner segment (21) with a radial separation r.sub.1 from the z-axis, and whereby both segments (21, 22) are connected to each other by means of conducting sections (23). With this configuration an unhindered sideward access to the investigational volume of the NMR measuring device is achieved with sufficient produced gradient field linearity in the measuring volume.
    • 核自旋共振(NMR)测量装置,特别是具有优先超导主磁场线圈的NMR断层摄影装置,其能够在其中心与笛卡尔坐标系x,y,z的原点一致的测量体积内产生 ,在该坐标系的z轴的方向上具有均匀的静磁场B0,并且具有梯度梯度线圈系统,用于产生在与z轴垂直的方向上的测量体积内具有很大线性相关性的磁梯度场, 梯度线圈系统包括至少四个与坐标原点的径向和轴向间隔对称布置的相当大的鞍形部分线圈,每个部分线圈各呈现两个在方位角方向绕z轴延伸的导电段 一个节段(21)具有小的径向间隔r1,另一个节段(22)具有大的径向间隔 z轴的r定数r2的特征在于,两个方位区段(21,22)在z轴方向上呈现出彼此轴向的分离,由此径向分隔(22)具有径向间隔 相对于z轴的r2相对于z轴轴向地比径向内部段(21)更靠近坐标原点布置,其具有与z轴的径向间隔r1,并且由此两个段(21,22) )通过导电部(23)彼此连接。 利用该配置,在测量体积中具有足够的产生的梯度场线性度,可以不受阻碍地侧向进入NMR测量装置的研究体积。