公开(公告)号：US09966892B2

公开(公告)日：2018-05-08

申请号：US14690924

申请日：2015-04-20

Applicant: Gregory Cossart ,  Joaquim Da Silva ,  Lakdar Sadi-Haddad

Inventor： Gregory Cossart ,  Joaquim Da Silva ,  Lakdar Sadi-Haddad

IPC: F16C32/04 ,  H02P23/26 ,  G01D5/20

CPC classification number: H02P23/26 ,  F16C32/0446 ,  G01D5/2013

Abstract: An electronic magnetic bearing controller for controlling the position of a rotor of an electrical machine supported by an active magnetic bearing the position of which being measured by at least one inductive position sensor having an inductive coil, comprising an automatic reactive power compensation device for automatically compensating the reactive power consumed by the inductive position sensor.

公开(公告)号：US09800108B2

公开(公告)日：2017-10-24

申请号：US14500454

申请日：2014-09-29

Applicant: Lateb Ramdane ,  Joaquim Da Silva

Inventor： Lateb Ramdane ,  Joaquim Da Silva

IPC: H02K1/27 ,  H02K15/03 ,  H02K7/09 ,  H02K1/02 ,  H02K7/08 ,  H02K1/28 ,  F16C32/04

CPC classification number: H02K1/28 ,  F16C32/0468 ,  H02K1/2726 ,  Y10T29/49012

Abstract: A permanent magnet rotor shaft assembly for a high speed electrical machine provides a permanent magnet cylindrical core having a longitudinal axis, the cylindrical core being axially compressed by first and second end shafts and being radially compressed by a sleeve made of a non-magnetic high strength metal. At least one of the first and second end shafts includes, facing the cylindrical core, a central shoulder head that cooperates with a mating central recess made in a central portion of a front face of the cylindrical core. An easy concentric alignment of the first and second end shafts with the permanent magnet cylindrical core is allowed while inserting the sleeve and the stiffness of the assembled set is enhanced.

公开(公告)号：US09638246B2

公开(公告)日：2017-05-02

申请号：US14731489

申请日：2015-06-05

Applicant: Mohamed Bendaoud ,  Bernard Levent

Inventor： Mohamed Bendaoud ,  Bernard Levent

IPC: F16C32/04

CPC classification number: F16C32/0476 ,  F16C32/0442 ,  F16C32/0461 ,  F16C2300/42

Abstract: An axial magnetic bearing comprising a rotor stop disc which is mounted perpendicularly and integral with a rotating shaft and a coaxially stator assembly and comprising at least one stator element of magnetic material having an inner face parallel to a side of the rotor stop disc and separated from it by an air gap, the at least one stator element comprising two annular coils and housed in two annular notches formed continuously in the magnetic material of the at least one stator element and opening to the side of the rotor stop disc, the two annular notches being separated by an annular tooth, rolled in series and are formed by a single continuous wire, a bridging recess being cut in the annular tooth for receiving a massive insert part that extends the annular tooth without locally modifying the air gap with the rotor stop disc.

公开(公告)号：US20170070174A1

公开(公告)日：2017-03-09

申请号：US15259467

申请日：2016-09-08

Applicant: Lakdar Sadi-Haddad ,  Joaquim Da Silva ,  Andre Deandrade

Inventor： Lakdar Sadi-Haddad ,  Joaquim Da Silva ,  Andre Deandrade

IPC: H02P21/00 ,  H02P6/10

CPC classification number: H02P21/50 ,  H02P6/10 ,  H02P21/05 ,  H02P29/50

Abstract: The invention concerns an electrical installation providing an apparatus, a three-phase inverter and a control device, the inverter being adapted for generating a three-phase current presenting a first frequency for operating the apparatus and an undesired frequency component presenting a second frequency. The control device is adapted for measuring a parameter of each phase of the current, the measured parameters forming a measurement vector, and for calculating a Clarke transform, providing a first vector represented in a first basis of a two-dimensional vector space, of the measurement vector. The control device is adapted for generating a representation of the first vector in a second basis of the vector space, the second basis rotating at the second frequency with respect to the first basis.

Abstract translation: 本发明涉及提供装置，三相逆变器和控制装置的电气装置，所述逆变器适于产生呈现用于操作装置的第一频率的三相电流和呈现第二频率的非期望频率分量。 该控制装置适于测量电流的各相的参数，形成测量矢量的测量参数，以及用于计算克拉克变换，提供以二维向量空间的第一基础表示的第一矢量， 测量矢量。 所述控制装置适于在所述向量空间的第二基础中产生所述第一矢量的表示，所述第二基准相对于所述第一基准以所述第二频率旋转。

公开(公告)号：US20160226332A1

公开(公告)日：2016-08-04

申请号：US15005273

申请日：2016-01-25

Applicant: Yvon BAUCÉ ,  Eduardo CARRASCO ,  Erwan SALAHUN

Inventor： Yvon BAUCÉ ,  Eduardo CARRASCO ,  Erwan SALAHUN

IPC: H02K5/12 ,  H02K15/02 ,  H02K15/12 ,  H02K7/09

Abstract: A method of protecting ferromagnetic lamination stacks of a component of an electric machine, comprises the following steps: creating a component module by arranging a laminations stack of ferromagnetic sheets into a housing, (b) protecting locations of the component module where coating is unwanted, (c) inserting the component module into a hermetic chamber receiving an ionized gas, (d) polarizing the component module to submit a fixed electric potential to the component module, (e) depositing a thin layer of protective coating on the laminations stack of ferromagnetic sheets through a method of Plasma Enhanced Chemical Vapor Deposition (PECVD) at a temperature lower than 150° C., (f) monitoring the deposition homogeneity and deposition thickness of the thin layer of protective coating until desired thickness, and (g) rectifying the surface of the thin layer of protective coating to have a uniform protective layer.

Abstract translation: 一种保护电机部件的铁磁层压叠层的方法包括以下步骤：通过将铁磁片层叠叠置在壳体中来形成部件模块，（b）保护部件模块的不需要涂层的位置， （c）将组件模块插入接收离子化气体的密封室中，（d）使组件模块偏振以向组件模块提供固定电位，（e）在铁磁层叠叠层上沉积薄层的保护涂层 在低于150℃的温度下通过等离子体增强化学气相沉积（PECVD）的方法制备薄片，（f）监测保护涂层的薄层的沉积均匀性和沉积厚度直到所需厚度，和（g） 表面的薄层保护涂层具有均匀的保护层。

公开(公告)号：US09140262B2

公开(公告)日：2015-09-22

申请号：US13925713

申请日：2013-06-24

Applicant: Lateb Ramdane ,  Cornelius Petrus Antonius Vissers

Inventor： Lateb Ramdane ,  Cornelius Petrus Antonius Vissers

IPC: F02B33/44 ,  F02B37/10 ,  F02B39/10 ,  F04D13/06 ,  H02K21/44 ,  H02K11/00 ,  H02K5/173 ,  H02K7/08 ,  H02K7/14

CPC classification number: F04D13/06 ,  F02B37/10 ,  F02B39/10 ,  F05D2220/40 ,  H02K5/1732 ,  H02K7/083 ,  H02K7/14 ,  H02K11/01 ,  H02K21/44

Abstract: An electrical machine (20) coupled to a compressor (12) having a rotatable shaft (16), comprising: a rotor forming part of the rotatable shaft and having at least two magnetic portions (22A, 22B) separated by an inclined non-magnetic portion (24) and two elements (26A, 26B) of non-magnetic material at each end of the rotatable shaft, a stator comprising a laminated magnetic iron stack (28) surrounded by a winding (30) and disposed along a periphery of the rotor to define a first annular gap (32), a ring (34) of non-magnetic material disposed around the stator, and a casing (40) of magnetic material comprising permanent magnets (36), disposed around the non magnetic ring and having radial walls (40A, 40B) that project inwardly towards the rotor by defining a second annular gap (42) therebetween.

Abstract translation: 一种联接到具有可旋转轴（16）的压缩机（12）的电机（20），包括：转子，其形成所述可旋转轴的一部分，并具有至少两个由倾斜非磁性部分分离的磁性部分（22A，22B） 在所述可旋转轴的每个端部处的非磁性材料的部分（24）和两个元件（26A，26B），定子包括由绕组（30）围绕并沿着所述绕组 转子以限定第一环形间隙（32），围绕定子设置的非磁性材料环（34）和包括永磁体（36）的磁性材料的壳体（40），其设置在非磁性环周围并且具有 径向壁（40A，40B），其通过在它们之间限定第二环形间隙（42）而朝向转子向内突出。

公开(公告)号：US20150244239A1

公开(公告)日：2015-08-27

申请号：US14627017

申请日：2015-02-20

Applicant: Eduardo CARRASCO

Inventor： Eduardo CARRASCO

IPC: H02K7/09 ,  H02K15/00 ,  H02K9/19

CPC classification number: H02K7/09 ,  F16C32/047 ,  F16C32/0489 ,  F16C2360/44 ,  F16C2380/26 ,  H02K5/20 ,  H02K7/003 ,  H02K7/14 ,  H02K9/19 ,  H02K15/00 ,  H02K2213/12 ,  Y10T29/49012

Abstract: A modular motor and magnetic bearing assembly comprising a positioning casing having a plane reference surface, an outer cylindrical reference surface, a central portion provided on an outer face with cooling liquid flow channels, and intermediate portions provided with openings for gaseous fluid entry and exit; a rotor presenting an inner cylindrical reference surface and a plane reference surface; an electric motor; radial magnetic bearings; an axial abutment; and auxiliary mechanical bearings. The modular assembly can then be incorporated in a main casing simply by sliding and it can be connected directly to a functional unit without reworking adjustments of the magnetic bearings.

Abstract translation: 一种模块化电动机和磁性轴承组件，包括具有平面参考表面的定位壳体，外部圆柱形参考表面，设置在具有冷却液体流动通道的外表面上的中心部分，以及设置有用于气体流体进入和离开的开口的中间部分; 转子，其具有内部圆柱形参考表面和平面参考表面; 电动马达 径向磁轴承; 轴向基台; 和辅助机械轴承。 然后，模块化组件可以简单地通过滑动并入主壳体中，并且可以直接连接到功能单元，而无需对磁性轴承的调整进行重新调整。

公开(公告)号：US12165490B2

公开(公告)日：2024-12-10

申请号：US17947583

申请日：2022-09-19

Applicant: SKF Magnetic Mechatronics ,  Aktiebolaget SKF

Inventor： Lakdar Sadi-Haddad ,  Lloyd Brown ,  David Beggs

IPC: G08B21/18 ,  F16G1/06 ,  G01B7/16 ,  G01M13/023

Abstract: The present invention relates to a transmission belt providing a belt member, and at least one RFID tag attached to the belt member, the at least one RFID tag including an integrated circuit, and an antenna connected to the integrated circuit for transmitting a signal indicative of a state of the transmission belt. The signal indicative of the state of the transmission belt is determined on the basis of a current deflection of the antenna.

公开(公告)号：US20240295578A1

公开(公告)日：2024-09-05

申请号：US18585189

申请日：2024-02-23

Applicant: SKF Magnetic Mechatronics

Inventor： Sylvain PALMERI ,  Lakdar SADI-HADDAD

IPC: G01P13/04 ,  F16C32/04

CPC classification number: G01P13/045 ,  F16C32/0474

Abstract: A device (17) for detecting the direction of rotation of a rotor for a magnetic bearing includes comparing means (100), first determining means (105), and second determining means (107). The comparing means (100) compares the speed of rotation of the rotor with a predefined speed threshold (Se). The first determining means (105) determines the speed of rotation gradient of the rotor. The second determining means (107) determines the direction of rotation of the rotor from the result of the comparison of the speed of rotation of the rotor with the predefined speed threshold (Se) and the value of the determined parameter representative of the kinetics of the rotor.

公开(公告)号：US20240183748A1

公开(公告)日：2024-06-06

申请号：US18514255

申请日：2023-11-20

Applicant: AKTIEBOLAGET SKF ,  SKF MAGNETIC MECHATRONICS

Inventor： Lakdar SADI-HADDAD ,  Josue SAURY ,  Lloyd BROWN ,  David BEGGS

IPC: G01M13/023 ,  F16G1/00

CPC classification number: G01M13/023 ,  F16G1/00

Abstract: A transmission belt arrangement includes at least one transmission belt, at least one sensor configured to measure a parameter indicative of a surface mapping of the at least one transmission belt, and processing circuitry operatively connected to the at least one sensor and configured to determine a state of the at least one transmission belt based on the parameter indicative of the surface mapping.