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    • 5. 发明申请
    • ELIMINATING ANHYSTERETIC MAGNETISM IN FERROMAGNETIC BODIES
    • 消除机体内的静电磁场
    • US20150070117A1
    • 2015-03-12
    • US14478298
    • 2014-09-05
    • Albert Maurer
    • Albert MaurerUrs Meyer
    • H01F13/00
    • H01F13/006H05K9/0071
    • The aim is to improve the demagnetisation of ferromagnetic components by means of simple enhancements of a demagnetising device in such a manner that, in spite of the demagnetisation at approximately room temperature, ferromagnetic components with vanishingly low residual magnetism, as was previously only achievable by means of thermal demagnetisation, are achieved. This is achieved in that a chamber with walls made from magnetically highly-permeable ferromagnetic material for shielding from external interference fields, for example the magnetic field of the Earth, is used in the demagnetising coil of a demagnetising device, whereby an interference-field-free chamber interior is pushed with a reduction of the interference field strength in the chamber interior to such a small magnetic interference field, that the residual magnetism at the treated objects has a lower value after demagnetisation than the interference field outside of the chamber space.
    • 目的是通过简单增强去磁装置来改善铁磁性部件的退磁,使得尽管在近似室温下退磁,但是铁磁部件具有消失的低残余磁性,如先前仅可通过装置实现的 的热退磁。 这是因为具有由用于屏蔽外部干扰场(例如地球的磁场)的磁性高度可渗透的铁磁材料制成的壁的室被用于去磁装置的去磁线圈中, 随着腔室内部的干涉场强度的降低,自由腔室内部被推压到这样一个小的磁场干涉场,被处理物体的残余磁性在消磁后具有比腔室空间外的干涉场低的值。
    • 6. 发明申请
    • Device and a method for magnetizing a magnet system
    • 用于磁化磁体系统的装置和方法
    • US20050195058A1
    • 2005-09-08
    • US10933124
    • 2004-09-02
    • Albert MaurerUrs MeyerStefan HaasOlivier Mueller
    • Albert MaurerUrs MeyerStefan HaasOlivier Mueller
    • H01F7/18H01F13/00H01F17/00H01F7/20
    • H01F13/003H01F7/1816H01F17/0013
    • A device for magnetizing a magnet system preferably having several pulse-generator circuits which are mutually arranged so that their magnetic fields superimpose in a cumulative manner. Each pulse-generator circuit includes a capacitor element, a magnetization coil electrically connected to the capacitor element and a switch element by way of which actuation the magnetization coil can be impinged with a current pulse of a limited pulse duration arising by the discharge of the capacitor element, and thus the build-up of a magnetic field may be triggered. The pulse-generator circuit is built up so that the pulse duration of the current pulse is limited to a value between 10 μs and 500 μs. With such short pulse durations, undesirable heating of the magnetization coil is short so that the device may be applied in automatic production installations with cycle times of below 1 s.
    • 一种用于磁化磁体系统的装置,优选地具有相互排列的多个脉冲发生器电路,使得它们的磁场以累积的方式叠加。 每个脉冲发生器电路包括电容器元件,电连接到电容器元件的磁化线圈和开关元件,通过该开关元件可激励磁化线圈可以通过电容器放电产生的受限脉冲持续时间的电流脉冲 元件,因此可以触发磁场的积聚。 脉冲发生器电路被建立,使得当前脉冲的脉冲持续时间被限制在10和500之间的值。 在这种短脉冲持续时间内,不期望的磁化线圈的加热是短的,因此该装置可以应用于具有小于1s的循环时间的自动生产设备。
    • 7. 发明授权
    • Device and a method for magnetizing a magnet system
    • 用于磁化磁体系统的装置和方法
    • US07324320B2
    • 2008-01-29
    • US10933124
    • 2004-09-02
    • Albert MaurerUrs MeyerStefan HaasOlivier Mueller
    • Albert MaurerUrs MeyerStefan HaasOlivier Mueller
    • H01H47/00
    • H01F13/003H01F7/1816H01F17/0013
    • A device for magnetizing a magnet system preferably having several pulse-generator circuits which are mutually arranged so that their magnetic fields superimpose in a cumulative manner. Each pulse-generator circuit includes a capacitor element, a magnetization coil electrically connected to the capacitor element and a switch element by way of which actuation the magnetization coil can be impinged with a current pulse of a limited pulse duration arising by the discharge of the capacitor element, and thus the build-up of a magnetic field may be triggered. The pulse-generator circuit is built up so that the pulse duration of the current pulse is limited to a value between 10 μs and 500 μs. With such short pulse durations, undesirable heating of the magnetization coil is short so that the device may be applied in automatic production installations with cycle times of below 1 s.
    • 一种用于磁化磁体系统的装置,优选地具有相互排列的多个脉冲发生器电路,使得它们的磁场以累积的方式叠加。 每个脉冲发生器电路包括电容器元件,电连接到电容器元件的磁化线圈和开关元件,通过该开关元件可激励磁化线圈可以通过电容器放电产生的受限脉冲持续时间的电流脉冲 元件,因此可以触发磁场的积聚。 脉冲发生器电路被建立,使得当前脉冲的脉冲持续时间被限制在10和500之间的值。 在这种短脉冲持续时间内,不期望的磁化线圈的加热是短的,因此该装置可以应用于具有小于1s的循环时间的自动生产设备。
    • 8. 发明申请
    • Demagnetization method by way of alternating current impulses in a conductor loop put in loops
    • 通过在导体环路中的交流脉冲的退磁方法放入环路
    • US20070115603A1
    • 2007-05-24
    • US11601087
    • 2006-11-17
    • Albert Maurer
    • Albert Maurer
    • H01H47/00
    • H01F13/006
    • A method for the reproducible, capacitor-free demagnetization of objects with residual magnetism by way of at least one low-frequency and frequency-modulated alternating current impulse (1) of variable amplitude and alternating current impulse width (2) in a flexible, completely insulated, unshielded conductor is suggested, by which means a magnetic field impulse is created in the proximity of the conductor. A current control (24) with an inverter (20), a current sensor (22) and a closed control circuit produces the alternating current impulse (1) as a chain of individual demagnetization impulses (5) with a settable alternating current impulse frequency (4) and demagnetization impulse amplitude (6). The demagnetization impulse amplitude (6) is controlled with a closed loop to zero along a demagnetization curve (7), by which means the objects (30) in the vicinity of the conductor which may be applied into any shaped conductor loop (29), are demagnetized.
    • 一种用于通过至少一个可变幅度和交流脉冲宽度(2)的低频和频率调制交流脉冲(1),以灵活的,完全的方式对具有剩余磁性的物体进行可再现的,无电容器的去磁的方法 建议使用绝缘的非屏蔽导体,这意味着在导体附近产生磁场冲击。 具有逆变器(20),电流传感器(22)和闭合控制电路的电流控制(24)产生作为具有可设置的交流脉冲频率的单独去磁脉冲(5)链的交流脉冲(1) 4)和消磁脉冲振幅(6)。 去磁脉冲振幅(6)通过沿着消磁曲线(7)的闭环控制为零,通过这种方式,可以施加到任何成形导体环(29)中的导体附近的物体(30) 被消磁
    • 9. 发明申请
    • Release mechanism for releasing magnetically releasable anti-theft devices
    • 释放可释放的防盗装置的释放机构
    • US20090083951A1
    • 2009-04-02
    • US12286451
    • 2008-09-30
    • Albert Maurer
    • Albert Maurer
    • E05B73/00
    • H01F7/0278E05B73/0017H01F7/021Y10T24/32Y10T24/50
    • The present invention describes a release mechanism (1) for releasing magnetically releasable anti-theft devices consisting of a multiplicity of permanent magnets in the form of a Halbach array, which are disposed on a plane. While the highly magnetised top side (10) of the release mechanism (1) is covered by the cover plate (6) on the release side, a base plate (5) used for mounting or support is located on the underside (11) of the release mechanism (1). The permanent magnets encompass a continuous, self-contained frame magnet (2), which is magnetised in an axial direction and has a first recess. Inserted in this first recess is a segmented magnet (3), wherein the individual segments are magnetised perpendicularly to the magnetisation direction of the frame magnet (2) and a second recess is left open, in which an axially magnetised magnetic core (4) is inserted.
    • 本发明描述了一种用于释放由Halbach阵列形式的多个永磁体组成的可释放的防盗装置的释放机构(1),其设置在平面上。 当释放机构(1)的高度磁化的顶侧(10)被释放侧的盖板(6)覆盖时,用于安装或支撑的基板(5)位于 释放机构(1)。 永磁体包括连续的,独立的框架磁体(2),该磁体沿轴向被磁化并且具有第一凹槽。 插入在该第一凹部中的是分段磁体(3),其中各个部分垂直于框架磁体(2)的磁化方向被磁化,并且第二凹部保持打开,其中轴向磁化的磁芯(4)是 插入。
    • 10. 发明申请
    • Demagnetizing Method
    • 退磁方法
    • US20080197950A1
    • 2008-08-21
    • US12070692
    • 2008-02-20
    • Albert MaurerMarek Rohner
    • Albert MaurerMarek Rohner
    • H01F13/00
    • H01F13/006
    • A method is presented for demagnetizing ferromagnetic components in an alternating field of an externally excited electrical series resonant circuit. A supply voltage having an excitation frequency (f) is applied in parallel to a demagnetization coil having a no-load inductance of the series resonant circuit, because of which an alternating current (I) flows through the series resonant circuit (1), which generates a magnetic alternating field. In the event of suitable selection of the excitation frequency (f) in such a way that the product of the excitation frequency (f) in Hz multiplied by the no-load inductance (L0) in Henry is f*L0≧0.22 Hz*H, the excitation frequency is in an operating range (5) and the series resonant circuit (1) may be used without further regulation technology to demagnetize components which are led through the inner chamber of the demagnetization coil (2) and form a fill level. If the excitation frequency (f) is selected accordingly, continuous operation is possible, in which the resonant frequency (fR) of the series resonant circuit (2) is not reached even at a high fill level.
    • 提出了一种用于在外部激励的电串联谐振电路的交变磁场中去磁铁磁分量的方法。 具有激励频率(f)的电源电压与具有串联谐振电路的空载电感的去磁线圈并联地施加,因为交流电流(I)流过串联谐振电路(1),其中 产生磁场交变场。 在适当选择激励频率(f)的情况下,使得亨利中的激励频率(f)乘以无负载电感(L 0)的乘积为f * L 0> = 0.22 Hz * H,励磁频率处于工作范围(5),串联谐振电路(1)可以不用进一步的调节技术使用,以消除被引导通过去磁线圈(2)的内室的部件,并形成 填充水平。 如果相应地选择激励频率(f),则即使在高填充水平下也不能达到串联谐振电路(2)的谐振频率(f SUB)的持续操作。