公开(公告)号：US09621000B2

公开(公告)日：2017-04-11

申请号：US14571563

申请日：2014-12-16

Applicant: Eduardo Carrasco ,  Ulrich Schroeder

Inventor： Eduardo Carrasco ,  Ulrich Schroeder

IPC: H02K1/30 ,  H02K1/27 ,  H02K15/00 ,  H02K1/28 ,  H02K15/03

CPC classification number: H02K1/274 ,  H02K1/278 ,  H02K1/28 ,  H02K1/30 ,  H02K15/00 ,  H02K15/03 ,  H02K2213/03 ,  Y10T29/49009

Abstract: A permanent magnet rotor assembly includes a cylindrically shaped shaft having an outer surface, a plurality of permanent magnets constituting portions of annular segments and an outer retaining cylindrical sleeve surrounding the plurality of permanent magnets. The assembly further includes a cylindrical magnet housing mounted on the cylindrically shaped shaft for supporting the plurality of permanent magnets. The cylindrical magnet housing is formed of a magnetic material. The retaining cylindrical sleeve is preloaded by a resultant interference fit IF2 defined by the following formula IF2=−ØY+√{square root over (((ØY+IF1)^2+ØY^2−ØX^2))}, where ΦY is an external diameter of the plurality of permanent magnets, ΦX is an internal diameter of the cylindrical magnet housing, and IF1 is a primary interference fit between an external diameter of the cylindrically shaped shaft and the internal diameter of the cylindrical magnet housing.

公开(公告)号：US07397216B2

公开(公告)日：2008-07-08

申请号：US11591233

申请日：2006-11-01

Applicant: Ulrich Schroeder ,  Maurice Brunet ,  Bertrand Haffray

Inventor： Ulrich Schroeder ,  Maurice Brunet ,  Bertrand Haffray

IPC: H02P6/10

CPC classification number: H02P23/26 ,  G01R31/343

Abstract: The present invention provides a circuit for monitoring harmonic distortion in the power supply of a synchronous electrical machine with permanent magnet excitation that comprises a rotor without a damper cage, a stator with first, second, and third windings, a frequency converter, and control circuits for controlling the frequency converter. The monitoring circuit comprises means for obtaining at least one signal representative of the current in the first winding of the stator and at least one signal representative of the current in the second winding of the stator; a circuit for generating synchronizing pulses reflecting the electrical frequency fn of rotation of the rotor relative to the stator; means for determining a signal representative of the current in the third winding of the stator; a set of band-stop notch filters respectively receiving said signals representative of the currents in the first, second, and third windings, and each presenting a center frequency that is servo-controlled to the electrical frequency fn of rotation of the rotor, in order to reject the harmonic corresponding to said electrical frequency fn; a set of measurement circuits for measuring the harmonics that remain in the signals output by each of the band-stop notch filters; and a comparator circuit for continuously comparing the greatest of the values of the signals from the measurement circuits relative to an alarm threshold.

Abstract translation: 本发明提供了一种用于监测具有永磁激励的同步电机的电源中的谐波失真的电路，其包括没有阻尼器的转子，具有第一，第二和第三绕组的定子，变频器和控制电路 用于控制变频器。 监控电路包括用于获得代表定子的第一绕组中的电流的至少一个信号和表示定子的第二绕组中的电流的至少一个信号的装置; 用于产生反映转子相对于定子的旋转的电频率fn的同步脉冲的电路; 用于确定代表定子的第三绕组中的电流的信号的装置; 分别接收表示第一，第二和第三绕组中的电流的所述信号的一组带阻滤波器滤波器，并且每个呈现一个伺服控制到转子的旋转电频率fn的中心频率 以抵消对应于所述电频率fn的谐波; 一组测量电路，用于测量由每个带阻陷波滤波器输出的信号中保持的谐波; 以及用于连续地比较来自测量电路的信号的最大值相对于报警阈值的比较器电路。

公开(公告)号：US06927517B2

公开(公告)日：2005-08-09

申请号：US10416805

申请日：2001-11-16

Applicant: Maurice Brunet ,  Ulrich Schroeder ,  Yann Tremaudant

Inventor： Maurice Brunet ,  Ulrich Schroeder ,  Yann Tremaudant

IPC: F01D25/16 ,  F02C7/06 ,  F04D29/04 ,  F04D29/056 ,  F04D29/058 ,  F16C32/04 ,  F16C39/06 ,  H02K3/26 ,  H02K21/12 ,  H02K21/22 ,  H02K7/09 ,  H02K39/06

CPC classification number: F16C32/0465 ,  F16C32/0442 ,  F16C32/0457 ,  F16C32/0476 ,  F16C32/0489 ,  F16C41/004 ,  F16C2360/42 ,  F16C2360/44

Abstract: The rotary machine comprises a rotary shaft (2) supported by first and second radial magnetic bearings (5, 6) that are electrically controlled by a control device (13), said rotary shaft being fitted with an axial abutment device (100) comprising a rotor formed by a disk (101) secured to the rotary shaft (2) and interposed between first and second stators (102, 104) formed annularly around the rotary shaft and each including at least one annular coil (103; 105) controlled electrically by a system for servo-controlling the axial position of the rotary shaft. The stator (104) of the axial abutment device (100) further comprises a secondary induction circuit (106), and the disk (101) secured to the rotary shaft comprises a primary induction circuit (107) so that during rotation of the shaft, electricity is excited in the secondary induction circuit in order to supply energy to the radial magnetic bearings.

Abstract translation: 旋转机械包括由第一和第二径向磁轴承（5,6）支撑的旋转轴（2），其由控制装置（13）电控制，所述旋转轴装配有轴向邻接装置（100），该轴向邻接装置 转子由固定在旋转轴（2）上的盘（101）形成，并插入第一和第二定子（102,104）之间，环形地围绕旋转轴形成，并且每个包括至少一个环形线圈（103; 105） 用于伺服控制旋转轴的轴向位置的系统。 轴向邻接装置（100）的定子（104）还包括次级感应电路（106），并且固定到旋转轴的盘（101）包括主感应电路（107），使得在轴的旋转期间， 在次级感应电路中激发电力，以向径向磁轴承提供能量。

公开(公告)号：US06849979B2

公开(公告)日：2005-02-01

申请号：US10480605

申请日：2002-06-13

Applicant: Maurice Brunet ,  Ulrich Schroeder

Inventor： Maurice Brunet ,  Ulrich Schroeder

IPC: F16C32/04 ,  F16C39/06 ,  H02K7/09

CPC classification number: F16C32/0446 ,  F16C32/0461 ,  F16C32/048 ,  G01D5/225

Abstract: The active magnetic bearing (1) comprises a stator (2) fitted with electromagnet windings (21) and a first stack of ferromagnetic laminations (22), a rotor (3) fitted with a second stack of ferromagnetic laminations (9), servo-control circuits (10), and position detectors (4, 5, 6). The first stack of ferromagnetic laminations (22) comprises in succession in the axial direction: at least a first sub-set (2a) of laminations (22a) presenting first notches housing electromagnet windings (21); a second sub-set (2b) of laminations (22b) presenting both first notches housing electromagnet windings (21) and second notches housing a radial detector (6); and a third sub-set (2a) of laminations (22a) presenting first notches housing electromagnet windings (21). The first stack of ferromagnetic laminations (22) further comprises fourth and fifth sub-sets (2c) of laminations (22c) at its ends, presenting the same notches as each other and housing respective first and second axial detectors (4, 5).

Abstract translation: 主动磁轴承（1）包括装有电磁铁绕组（21）的定子（2）和铁磁叠片（22）的第一叠层，装配有铁磁叠片（9）的第二叠层的转子（3） 控制电路（10）和位置检测器（4,5,6）。 铁磁叠片（22）的第一堆叠在轴向方向上依次包括：至少第一叠片（22a）的第一子组（2a），其呈现容纳电磁绕组（21）的第一凹口; 叠层（22b）的第二子集（2b），其呈现容纳电磁体绕组（21）的第一凹口和容纳径向探测器（6）的第二凹口; 以及呈现存放电磁铁绕组（21）的第一凹口的叠片（22a）的第三子组（2a）。 铁磁叠片（22）的第一堆叠还在其端部包括叠片（22c）的第四和第五子组（2c），呈现彼此相同的凹口，并容纳相应的第一和第二轴向检测器（4,5）。

公开(公告)号：US5606067A

公开(公告)日：1997-02-25

申请号：US318743

申请日：1994-10-19

Applicant: Bernd Burkhart ,  Alfred Oftring ,  Rudi Widder ,  Ulrich Schroeder

Inventor： Bernd Burkhart ,  Alfred Oftring ,  Rudi Widder ,  Ulrich Schroeder

IPC: C07D215/10 ,  C07D213/20 ,  C07D217/10 ,  C25D3/12 ,  C07D213/127

CPC classification number: C07D213/20

Abstract: A process for the preparation of N-allyl compounds of the general formula I ##STR1## in which ##STR2## denotes a nitrogen-containing heterocyclic compound, R.sup.1, R.sup.3, and R.sup.4 independently denote hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.2 denotes hydrogen or methyl,n is equal to 1, 2, 3, or 4, andX denotes a water-solubilizing anion,wherein a compound of formula II ##STR3## is caused to react, in aqueous medium, with a compound of formula III ##STR4## in which A denotes a radical which can be eliminated as an anion. The compounds produced by the process of the invention are very well suited for use as brighteners in nickel electroplating.

Abstract translation: PCT No.PCT / EP93 / 01090 Sec。 371日期：1994年10月19日 102（e）日期1994年10月19日PCT提交1993年5月5日PCT公布。 第WO93 / 23377号公报 日期：1993年11月25日制备通式Ⅰ的N-烯丙基化合物的方法，其中表示含氮杂环化合物，R1，R3和R4独立地表示氢或C1-C4 烷基，R 2表示氢或甲基，n等于1,2,3或4，X表示水溶性阴离子，其中使式II化合物II在水性介质中与 式III的化合物，其中A表示可以作为阴离子去除的基团。 通过本发明的方法生产的化合物非常适合用作镍电镀中的增白剂。

公开(公告)号：US10260558B2

公开(公告)日：2019-04-16

申请号：US15285030

申请日：2016-10-04

Applicant: Ulrich Schroeder ,  Eduardo Carrasco

Inventor： Ulrich Schroeder ,  Eduardo Carrasco

IPC: H02K7/09 ,  F16C32/04 ,  F16C17/08 ,  F16C19/12 ,  F16C27/00 ,  H02K5/16 ,  F16C19/10 ,  H02K7/00 ,  F16C32/00 ,  F16C27/04

Abstract: A rotary machine provides a stator having a stator casing, and a rotor shaft having a rotational axis and supported in the stator casing by at least one radial magnetic bearing. The rotary machine further provides an axial mechanical thrust bearing being disposed proximate a radial surface of one end of the rotor shaft, the axial mechanical thrust bearing, including a rolling element located on the rotational axis of the rotor shaft.

公开(公告)号：US07719151B2

公开(公告)日：2010-05-18

申请号：US10593611

申请日：2005-03-16

Applicant: Yann Tremaudant ,  Maurice Brunet ,  Ulrich Schroeder

Inventor： Yann Tremaudant ,  Maurice Brunet ,  Ulrich Schroeder

IPC: H02K7/09

CPC classification number: F16C32/0448 ,  F16C32/0459

Abstract: An active magnetic bearing (100) with autodetection of position, the bearing comprising at least first and second opposing electromagnets (120, 130) forming stators disposed on either side of a ferromagnetic body (110) forming a rotor and held without contact between said electromagnets. The first and second electromagnets (120, 130) each comprising a magnetic circuit (121; 131) essentially constituted by a first ferromagnetic material and co-operating with said ferromagnetic body to define an airgap, together with an excitation coil (122; 132) powered from a power amplifier whose input current is servo-controlled as a function of the position of the ferromagnetic body relative to the magnetic circuits of the first and second electromagnets. The position of the ferromagnetic body (110) being measured from the inductance detected between the two electromagnets (120, 130) in response to simultaneous injection into both opposing electromagnets of a sinusoidal current at a frequency that is greater than the closed loop passband of the system. The magnetic circuit (121; 131) of each electromagnet further includes a portion (124; 134) in the vicinity of the excitation coil (122; 132) that uses a second ferromagnetic material having magnetic permeability that is lower than that of the first material and electrical resistivity that is higher than that of the first material so as to encourage the passage of the high frequency magnetic fields that are generated in the bearing.

Abstract translation: 一种具有自动检测位置的主动磁轴承（100），所述轴承包括至少第一和第二相对电磁体（120,130），所述至少第一和第二相对的电磁体（120,130）形成定子，所述定子设置在形成转子的铁磁体（110）的任一侧上，并且保持在所述电磁体 。 第一和第二电磁体（120,130）各自包括基本上由第一铁磁材料构成并与所述铁磁体配合以限定气隙的磁路（121; 131）以及励磁线圈（122; 132） 由输入电流作为铁磁体相对于第一和第二电磁体的磁路的位置的函数进行伺服控制的功率放大器供电。 铁磁体（110）的位置是根据在两个电磁体（120,130）之间检测到的电感测量的，响应于以大于该闭环通带的频率的正弦电流的两个相对的电磁体同时注入 系统。 每个电磁体的磁路（121; 131）还包括在激励线圈（122; 132）附近的使用具有低于第一材料的导磁率的第二铁磁材料的部分（124; 134） 电阻率高于第一材料的电阻率，以促进在轴承中产生的高频磁场的通过。

公开(公告)号：US20070096680A1

公开(公告)日：2007-05-03

申请号：US11591233

申请日：2006-11-01

Applicant: Ulrich Schroeder ,  Maurice Brunet ,  Bertrand Haffray

Inventor： Ulrich Schroeder ,  Maurice Brunet ,  Bertrand Haffray

IPC: H02P6/00

CPC classification number: H02P23/26 ,  G01R31/343

Abstract: The present invention provides a circuit for monitoring harmonic distortion in the power supply of a synchronous electrical machine with permanent magnet excitation that comprises a rotor without a damper cage, a stator with first, second, and third windings, a frequency converter, and control circuits for controlling the frequency converter. The monitoring circuit comprises means for obtaining at least one signal representative of the current in the first winding of the stator and at least one signal representative of the current in the second winding of the stator; a circuit for generating synchronizing pulses reflecting the electrical frequency fn of rotation of the rotor relative to the stator; means for determining a signal representative of the current in the third winding of the stator; a set of band-stop notch filters respectively receiving said signals representative of the currents in the first, second, and third windings, and each presenting a center frequency that is servo-controlled to the electrical frequency fn of rotation of the rotor, in order to reject the harmonic corresponding to said electrical frequency fn; a set of measurement circuits for measuring the harmonics that remain in the signals output by each of the band-stop notch filters; and a comparator circuit for continuously comparing the greatest of the values of the signals from the measurement circuits relative to an alarm threshold.

Abstract translation: 本发明提供了一种用于监测具有永磁激励的同步电机的电源中的谐波失真的电路，其包括没有阻尼器的转子，具有第一，第二和第三绕组的定子，变频器和控制电路 用于控制变频器。 监控电路包括用于获得代表定子的第一绕组中的电流的至少一个信号和表示定子的第二绕组中的电流的至少一个信号的装置; 用于产生反映转子相对于定子的旋转的电频率fn的同步脉冲的电路; 用于确定代表定子的第三绕组中的电流的信号的装置; 分别接收表示第一，第二和第三绕组中的电流的所述信号的一组带阻滤波器滤波器，并且每个呈现一个伺服控制到转子的旋转电频率fn的中心频率 以抵消对应于所述电频率fn的谐波; 一组测量电路，用于测量由每个带阻陷波滤波器输出的信号中保持的谐波; 以及用于连续地比较来自测量电路的信号的最大值相对于报警阈值的比较器电路。

公开(公告)号：US5844339A

公开(公告)日：1998-12-01

申请号：US702497

申请日：1996-08-27

Applicant: Ulrich Schroeder ,  Maurice Brunet

Inventor： Ulrich Schroeder ,  Maurice Brunet

IPC: F16C32/04 ,  F16C39/06 ,  H02K7/09

CPC classification number: F16C32/0451 ,  F16C32/0448

Abstract: An active magnetic bearing with auto position-detection includes first and second opposing electromagnets disposed on opposite sides of a ferromagnetic body (1) suspended without contract with the electromagnets. The bearing includes inductive type position detectors which are constituted directly by coils (11, 21) of the first and second electromagnets. A mechanism (14; 24) is provided for injecting a sinusoidal current I.sub.0 sin.omega.t of constant amplitude I.sub.0, of angular frequency .omega., and of identical phase, simultaneously to the inputs of power amplifiers (13, 23) powering the coils (11, 21) of the first and second opposing electromagnets in superposition with the main currents from the servo-control circuits (31, 32). Circuits (41 to 44) serve to extract the position information which determines the magnitude of the main current to be applied by the servo-control circuits (31, 32) to the power amplifiers (13, 23) directly from the voltages u.sub.1, u.sub.2 across the terminals of the excitation coils (11, 21) as measured at the frequency of the sinusoidal current constituting a carrier of angular frequency .omega..

Abstract translation: PCT No.PCT / FR95 / 00231 Sec。 371日期：1996年8月27日 102（e）日期1996年8月27日PCT提交1995年2月28日PCT公布。 出版物WO95 / 23297 日期1995年8月31日具有自动位置检测的主动磁轴承包括设置在铁磁体（1）的相对侧上的第一和第二相对电磁体，悬挂而不与电磁体接合。 轴承包括由第一和第二电磁体的线圈（11,21）直接构成的感应式位置检测器。 提供了一种机构（14; 24），用于同时向驱动线圈（11）的功率放大器（13,23）的输入端注入具有角频率ω的恒定振幅I0的正弦电流I 0sinωt，并且具有相同的相位 ，21）与所述伺服控制电路（31,32）的主电流重叠。 电路（41〜44）用于从电压u1，u2直接提取确定由伺服控制电路（31,32）施加到功率放大器（13,23）的主电流的大小的位置信息 在构成角频率ω的载波的正弦电流的频率处测量的激励线圈（11,21）的端子之间。

公开(公告)号：US5560814A

公开(公告)日：1996-10-01

申请号：US454156

申请日：1995-06-15

Applicant: Bernd Burkhart ,  Alfred Oftring ,  Volker Schwendemann ,  Ulrich Schroeder ,  Klaus Glaser

Inventor： Bernd Burkhart ,  Alfred Oftring ,  Volker Schwendemann ,  Ulrich Schroeder ,  Klaus Glaser

IPC: C07C335/32 ,  C25D3/12 ,  C25D3/16

CPC classification number: C07C335/32 ,  C25D3/12

Abstract: Nickel-plated shaped parts are produced by galvanic precipitation of nickel from aqueous-acid baths which contain as essential constituents one or several nickel salts, one or several inorganic acids and one or several brighteners. As brighteners are used thiourea salts having general formula (I), in which R.sup.1 to R.sup.4 stand for hydrogen, C.sub.1 to C.sub.18 -alkyl, which may be substituted by carboxyl groups, C.sub.1 to C.sub.4 -alkoxycarbonyl groups or cyano groups, C.sub.2 to C.sub.12 -alkenyl, C.sub.2 to C.sub.12 -alkinyl, C.sub.5 to C.sub.8 -cycloalkyl, C.sub.7 to C.sub.12 -phenylalkyl or phenyl, which may be substituted by one or two C.sub.1 to C.sub.4 -alkyl residues, C.sub.1 to C.sub.4 -alkoxy residues, halogen atoms, hydroxyl groups, phenyl groups, phenyl residues or C.sub.1 to C.sub.4 alkoxycarbonyl groups; Y sands for a chemical bond or for linear or branched alkylene, alkenylene or alkinylene having each up to 20 C. atoms; A stands for hydrogen or a group having the formulae: --CO--H, --CO--R.sup.5, --CO--OH, --CO--OR.sup.5, --CO--NR.sup.6 R.sup.7, --CO--CH.sub.2 --CO--OR.sup.5, --O--CO--H, --O--CO--R.sup.5, --NR.sup.6 --CO--R.sup.5, --NR.sup.6 --CO--R.sup.5, --OR.sup.5, --SO.sub.2 --R.sup.5, --SO.sub.2 --OH, --SO.sub.2 --OR.sup.5, --PO(PH).sub.2, --PO(OH)(OR.sup.5), --PO(OR.sup.5).sub.2, OPO(OH).sub.2, --OPO(PH)(PR.sup.5) or --OPO(OR.sup.5).sub.2 in which R.sup.5 stands for C.sub.1 to C.sub.12 -alkyl, C.sub.2 to C.sub.12 -alkenyl, C.sub.2 to C.sub.12 -alkinyl, C.sub.5 to C.sub.8 -cycloalkyl, C.sub.7 to C.sub.12 -phenylalkyl or phenyl, which may be substituted by one or two C.sub.1 to C.sub.4 -alkyl residues, halogen atoms, hydroxyl groups, phenyl residues or C.sub.1 to C.sub.4 -alkoxycarbonyl groups; and R.sup.6 and R.sup.7 stand for hydrogen or C.sub.1 to C.sub.4 -alkyl; n is a number from 1 to 4 and X.sub.(--) stands for s water solubility-promoting, n-valent inorganic or organic anion.

Abstract translation: PCT No.PCT / EP93 / 03383第 371日期：1995年6月15日 102（e）日期1995年6月15日PCT 1993年12月2日PCT公布。 公开号WO94 / 13862 日期1994年6月23日镍镀层部件通过从含水酸浴中电镀沉淀镍制成，其含有一种或多种镍盐，一种或多种无机酸和一种或多种增白剂作为必需组分。 作为增白剂，使用具有通式（I）的式（I）的硫脲盐，其中R 1至R 4表示氢，可被羧基取代的C 1至C 18烷基，C 1至C 4 - 烷氧基羰基或氰基，C 2至C 12 - 烯基，C 2至C 12 - 烷基，C 5至C 8环烷基，C 7至C 12苯基烷基或苯基，其可被一个或两个C 1至C 4烷基残基取代，C 1至C 4 - 烷氧基残基，卤素原子，羟基， 苯基，苯基残基或C1〜C4烷氧基羰基; Y砂用于化学键或线性或支链亚烷基，亚烯基或亚炔基，每个高达20 C.原子; A代表氢或具有下列通式的基团：-CO-H，-CO-R5，-CO-OH，-CO-OR5，-CO-NR6R7，-CO-CH2-CO-OR5，-O-CO- H，-O-CO-R5，-NR6-CO-R5，-NR6-CO-R5，-OR5，-SO2-R5，-SO2-OH，-SO2-OR5，-PO（PH） （OH）（OR 5），-PO（OR 5）2，OPO（OH）2，-OPO（PH）（PR 5）或-OPO（OR 5）2，其中R 5表示C 1〜C 12烷基， 可以被一个或两个C 1 -C 4烷基残基取代的C 1 -C 12 - 链烯基，C 2至C 12 - 烷基，C 5至C 8 - 环烷基，C 7至C 12 - 苯基烷基或苯基，卤素原子，羟基，苯基残基或C 1至C 4 - 烷氧基羰基; R6和R7代表氢或C1-C4烷基; n是1至4的数，X（ - ）表示s水溶性促进，n价无机或有机阴离子。