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1.发明授权Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motor 有权径向各向异性磁体制造方法，使用径向各向异性磁体的永磁电动机和配备铁芯的永磁电动机公开(公告)号：US08183732B2
公开(公告)日：2012-05-22
申请号：US13277355
申请日：2011-10-20
IPC分类号： H02K1/27
CPC分类号： H01F41/028 , H01F1/0578 , H01F1/059 , H01F1/083 , H02K1/27 , Y10T29/49076
摘要： To improve tranquility and controllability of an iron core-equipped permanent magnet motor with an improved maximum energy product (BH)max by improving shape compatibility of a radial anisotropic magnet, there is provided a radial anisotropic magnet manufacturing method of fixing magnet powder in a net shape so as to maintain a magnetic anisotropic (C-axis) angle of a magnet with respect to a tangential line and for performing a deformation with a flow so as to have a predetermined circular arc shape or a predetermined annular shape. Particularly, by performing a deformation with a viscous flow or an extension flow, a deformability of the magnet is improved, and thus shape compatibility with respect to a thickness is. improved. A C-axis angle θ with respect to a tangential direction is controlled at an arbitrary position and an arbitrary angle so as to reduce cogging torque without separating a magnetic pole into segments.
摘要翻译： 为了通过改善径向各向异性磁体的形状相容性来提高具有改进的最大能量乘积（BH）max的含铁芯永磁电动机的平静性和可控性，提供了将磁体粉末固定在网中的径向各向异性磁体制造方法 形状，以便相对于切向线保持磁体的磁各向异性（C轴）角度，并且以流动进行变形以具有预定的圆弧形状或预定的环形形状。 特别地，通过进行粘性流动或延伸流动的变形，能够提高磁体的变形性，能够提高与厚度相应的形状兼容性。 C轴角度; 相对于切向方向被控制在任意位置和任意角度，以便在不将磁极分成段的情况下减小齿槽转矩。
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2.发明申请公开(公告)号：US20100218365A1
公开(公告)日：2010-09-02
申请号：US12680869
申请日：2009-05-20
IPC分类号： H01F41/02
CPC分类号： H02K15/03 , H01F1/0578 , H01F1/059 , H01F41/028 , H02K1/278 , Y10T29/49009 , Y10T29/49069 , Y10T29/49075 , Y10T29/49078 , Y10T29/49803 , Y10T29/49805
摘要： A process of manufacturing segments, an anisotropic direction of which is continuously changed in a plane vertically by a uniform magnetic field maintained in a constant direction and a process of arranging a plurality of segments on a circumference, extruding the segments in a ring shape by rheology based on the viscous deformation of the segments, from one thrust-direction end surface of the segments, and subsequently compressing the segments from both thrust-direction end surfaces of the segments are necessarily included. A ring magnet, anisotropy of which is controlled in a continuous direction, is provided, and a source for generating a static magnetic field has energy density (BH) max≧160 to 180 kJ/m3.
摘要翻译： 一种制造段的方法，其各向异性方向通过保持恒定方向的均匀磁场在垂直方向上连续变化，以及在圆周上布置多个段的过程，通过流变学将段挤出成环形 基于段的粘性变形，从段的一个推力方向端面，随后从段的两个推力方向端面压缩段必然包括。 提供了一种连续方向控制其各向异性的环形磁体，并且用于产生静态磁场的源的能量密度（BH）max≥160-180kJ/ m3。
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公开(公告)号：US20090021097A1
公开(公告)日：2009-01-22
申请号：US12162435
申请日：2007-11-21
IPC分类号： H02K21/12
CPC分类号： H02K1/27 , H01F1/0578 , H01F1/059 , H02K15/03
摘要： A motor generally has a contradictory relation between decrease of cogging torque and increase of torque density. To overcome this problem, continuous direction control is provided for anisotropy with modification of magnetic poles so that the average absolute value of differences between Mθ and 90×sin [φ{2π/(360/p)}] is set to be 3° or less, where Mθ is a direction of anisotropy with respect to a radial tangent line of a magnetic pole plane, φ is a mechanical angle, and p is the number of pole pairs.
摘要翻译： 电动机通常与齿槽转矩的减小和转矩密度的增加之间存在矛盾关系。 为了克服这个问题，通过改变磁极的各向异性来提供连续方向控制，使得Mta和90xsin [phi {2pi /（360 / p）}]之间的差的平均绝对值设定为3°或更小， 其中Mtheta是相对于磁极平面的径向切线的各向异性方向，phi是机械角度，p是极对数。
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4.发明申请Radial Anisotropic Magnet Manufacturing Method, Permanent Magnet Motor Using Radial Anisotropic Magnet, and Iron Core-Equipped Permanent Magnet Motor 有权径向各向异性磁铁制造方法，使用径向各向异性磁铁的永磁电动机和铁心配备的永磁电动机公开(公告)号：US20090007417A1
公开(公告)日：2009-01-08
申请号：US12281679
申请日：2007-03-16
CPC分类号： H01F41/028 , H01F1/0578 , H01F1/059 , H01F1/083 , H02K1/27 , Y10T29/49076
摘要： In order to improve tranquility and controllability of an iron core-equipped permanent magnet motor with an improvement of a maximum energy product (BH)max by improving a shape compatibility of a radial anisotropic magnet, there is provided a radial anisotropic magnet manufacturing method of fixing magnet powder in a net shape so as to maintain a magnetic anisotropic (C-axis) angle of a magnet with respect to a tangential line and for performing a deformation with a flow so as to have a predetermined circular arc shape or a predetermined annular shape. Particularly, by performing a deformation with a viscous flow or an extension flow, a deformability of the magnet is improved, and thus a shape compatibility with respect to a thickness is improved. AC-axis angle θ with respect to a tangential direction is controlled at an arbitrary position and an arbitrary angle so as to reduce cogging torque without separating a magnetic pole into segments.
摘要翻译： 为了通过提高径向各向异性磁体的形状兼容性来提高具有提高最大能量乘积（BH）max的铁芯配备永磁电动机的平静性和可控性，提供了一种径向各向异性磁体的制造方法， 磁体粉末，以使磁体相对于切线保持磁各向异性（C轴）角度，并进行流动变形以具有预定的圆弧形状或预定的环形形状 。 特别是通过进行粘性流动或延伸流动的变形，能够提高磁铁的变形性，提高了与厚度的形状相容性。 将AC轴角度θ相对于切线方向控制在任意位置和任意角度，以便在不将磁极分成段的情况下减小齿槽转矩。
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公开(公告)号：US07902707B2
公开(公告)日：2011-03-08
申请号：US12269268
申请日：2008-11-12
IPC分类号： H02K1/27
CPC分类号： H02K1/278
摘要： An anisotropic permanent magnet motor includes a stator and a rotor opposed to teeth of the stator with a gap therebetween, and the rotor includes an anisotropic permanent magnet disposed on a surface of a rotor yoke. The anisotropic permanent magnet has an orientation direction set in a direction normal to the outer-peripheral surface in a range of both θr°/2 from a magnetic pole center and continuously inclined toward a magnetic pole end with respect to a direction normal to the outer-peripheral surface.
摘要翻译： 各向异性永磁电动机包括定子和与定子的齿相对置的转子，其间具有间隙，转子包括设置在转子轭的表面上的各向异性永久磁铁。 各向异性永久磁铁具有在两个角度的范围内沿垂直于外周面的方向设置的取向方向;与磁极中心的r°/ 2相对于垂直于磁极的方向朝向磁极端部连续倾斜 外周面。
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6.发明授权Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motor 有权径向各向异性磁体制造方法，使用径向各向异性磁体的永磁电动机和配备铁芯的永磁电动机公开(公告)号：US08072109B2
公开(公告)日：2011-12-06
申请号：US12281679
申请日：2007-03-16
IPC分类号： H01F7/02
CPC分类号： H01F41/028 , H01F1/0578 , H01F1/059 , H01F1/083 , H02K1/27 , Y10T29/49076
摘要： To improve tranquility and controllability of an iron core-equipped permanent magnet motor with an improved maximum energy product (BH)max by improving shape compatibility of a radial anisotropic magnet, there is provided a radial anisotropic magnet manufacturing method of fixing magnet powder in a net shape so as to maintain a magnetic anisotropic (C-axis) angle of a magnet with respect to a tangential line and for performing a deformation with a flow so as to have a predetermined circular arc shape or a predetermined annular shape. Particularly, by performing a deformation with a viscous flow or an extension flow, a deformability of the magnet is improved, and thus shape compatibility with respect to a thickness is improved. A C-axis angle θ with respect to a tangential direction is controlled at an arbitrary position and an arbitrary angle so as to reduce cogging torque without separating a magnetic pole into segments.
摘要翻译： 为了通过改善径向各向异性磁体的形状相容性来提高具有改进的最大能量乘积（BH）max的含铁芯永磁电动机的平静性和可控性，提供了将磁体粉末固定在网中的径向各向异性磁体制造方法 形状，以便相对于切向线保持磁体的磁各向异性（C轴）角度，并且以流动进行变形以具有预定的圆弧形状或预定的环形形状。 特别地，通过进行粘性流动或延伸流动的变形，能够提高磁体的变形性，能够提高与厚度相应的形状兼容性。 C轴角度; 相对于切向方向被控制在任意位置和任意角度，以便在不将磁极分成段的情况下减小齿槽转矩。
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公开(公告)号：US07759833B2
公开(公告)日：2010-07-20
申请号：US12162435
申请日：2007-11-21
CPC分类号： H02K1/27 , H01F1/0578 , H01F1/059 , H02K15/03
摘要： A motor generally has a contradictory relation between decrease of cogging torque and increase of torque density. To overcome this problem, continuous direction control is provided for anisotropy with modification of magnetic poles so that the average absolute value of differences between Mθ and 90×sin [φ{2π/(360/p)}] is set to be 3° or less, where Mθ is a direction of anisotropy with respect to a radial tangent line of a magnetic pole plane, φ is a mechanical angle, and p is the number of pole pairs.
摘要翻译： 电动机通常与齿槽转矩的减小和转矩密度的增加之间存在矛盾关系。 为了克服这个问题，通过改变磁极的各向异性来提供连续方向控制，使得M＆amp; 和90×sin [＆phgr; {2＆pgr; /（360 / p）}]设置为3°以下，其中M＆amp; 是相对于磁极平面的径向切线的各向异性的方向， 是机械角度，p是极对数。
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公开(公告)号：US20090127960A1
公开(公告)日：2009-05-21
申请号：US12269268
申请日：2008-11-12
IPC分类号： H02K21/16
CPC分类号： H02K1/278
摘要： An anisotropic permanent magnet motor includes a stator and a rotor opposed to teeth of the stator with a gap therebetween, and the rotor includes an anisotropic permanent magnet disposed on a surface of a rotor yoke. The anisotropic permanent magnet has an orientation direction set in a direction normal to the outer-peripheral surface in a range of both θr°/2 from a magnetic pole center and continuously inclined toward a magnetic pole end with respect to a direction normal to the outer-peripheral surface.
摘要翻译： 各向异性永磁电动机包括定子和与定子的齿相对置的转子，其间具有间隙，转子包括设置在转子轭的表面上的各向异性永久磁铁。 各向异性永磁体具有在与磁极中心同时为0°的范围内的与外周面垂直的方向上的取向方向，相对于与外侧方向垂直的方向朝向磁极端连续倾斜 - 外围表面。
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9.发明授权Manufacturing method of rare earth-iron ring magnet with continuous orientation controlled anisotropy 有权具有连续取向控制各向异性的稀土 - 铁环磁铁的制造方法公开(公告)号：US08371021B2
公开(公告)日：2013-02-12
申请号：US12680869
申请日：2009-05-20
CPC分类号： H02K15/03 , H01F1/0578 , H01F1/059 , H01F41/028 , H02K1/278 , Y10T29/49009 , Y10T29/49069 , Y10T29/49075 , Y10T29/49078 , Y10T29/49803 , Y10T29/49805
摘要： A process of manufacturing segments, an anisotropic direction of which is continuously changed in a plane vertically by a uniform magnetic field maintained in a constant direction and a process of arranging a plurality of segments on a circumference, extruding the segments in a ring shape by rheology based on the viscous deformation of the segments, from one thrust-direction end surface of the segments, and subsequently compressing the segments from both thrust-direction end surfaces of the segments are necessarily included. A ring magnet, anisotropy of which is controlled in a continuous direction, is provided, and a source for generating a static magnetic field has energy density (BH) max≧160 to 180 kJ/m3.
摘要翻译： 一种制造段的方法，其各向异性方向通过保持恒定方向的均匀磁场在垂直方向上连续变化，以及在圆周上布置多个段的过程，通过流变学将段挤出成环形 基于段的粘性变形，从段的一个推力方向端面，随后从段的两个推力方向端面压缩段必然包括。 提供了一种连续方向控制其各向异性的环形磁体，并且用于产生静态磁场的源的能量密度（BH）max≥160-180kJ/ m3。
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公开(公告)号：US08044547B2
公开(公告)日：2011-10-25
申请号：US12312792
申请日：2007-11-15
CPC分类号： H02K1/278 , H01F1/0578 , H01F1/059 , H02K15/03 , H02K2201/06
摘要： In a radial-direction gap type magnet motor, when an energy density increases, a direction change Mθ/φp of a static magnetic field with respect to a mechanic angle between different poles increases in an exponential manner and thus to decrease a cogging torque of the motor is not compatible to increase a torque density. In order to solve the problem, assuming that φt denotes a mechanic angle of a stator iron core teeth, φp denotes a mechanical angle of a magnetic pole, and Mθ denotes an angle of a static magnetic field with respect to a circumferential tangential line of a radial magnetic pole center, a radial-direction type magnet motor in which φt
摘要翻译： 在径向方向间隙型磁体电动机中，当能量密度增加时，相对于不同极之间的机械角度的静磁场的方向变化M＆amp; php; p以指数方式增加，从而减小齿槽 电机的转矩不相容以增加转矩密度。 为了解决这个问题，假设＆phgr t表示定子铁芯齿的机械角，p表示磁极的机械角度，M表示。 表示相对于径向磁极中心的圆周切线的静磁场的角度，其中＆php; p，M＆amp; thetas的径向方向型磁体电动机; 在磁极中心区域为75〜90°，在＆lt; p×0.1°的磁极端区域满足M＆amp;＆phgr; p＆nlE; 7，并且静态磁场产生源被配置为 提供能量密度（BH）max≥150kJ/ m3的磁各向异性磁极。
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