公开(公告)号：US08377233B2

公开(公告)日：2013-02-19

申请号：US13033943

申请日：2011-02-24

申请人： Hajime Nakamura ,  Koichi Hirota ,  Takehisa Minowa

发明人： Hajime Nakamura ,  Koichi Hirota ,  Takehisa Minowa

IPC分类号： H01F1/03 ,  H01F1/00 ,  H01F1/04 ,  H01F1/14 ,  B22F3/00 ,  C04B35/64

CPC分类号： B22F9/023 ,  B22F2009/044 ,  B22F2998/10 ,  B22F2999/00 ,  H01F1/0577 ,  H01F41/0293 ,  H01J37/32669 ,  B22F9/04 ,  B22F3/02 ,  B22F3/10 ,  B22F2201/11 ,  B22F2201/02

摘要： A method for preparing a rare earth permanent magnet material comprises the steps of: disposing a powder comprising one or more members selected from an oxide of R2, a fluoride of R3, and an oxyfluoride of R4 wherein R2, R3 and R4 each are one or more elements selected from among rare earth elements inclusive of Y and Sc on a sintered magnet form of a R1—Fe—B composition wherein R1 is one or more elements selected from among rare earth elements inclusive of Y and Sc, and then heat treating the magnet form and the powder at a temperature equal to or below the sintering temperature of the magnet in vacuum or in an inert gas. The result high performance, compact or thin permanent magnet has a high remanence and coercivity at a high productivity.

摘要翻译： 一种制备稀土永磁材料的方法包括以下步骤：设置包含选自R 2的氧化物，R 3的氟化物和R 4的氟氧化物的一种或多种的粉末，其中R 2，R 3和R 4各自为一个或 从包括Y和Sc的稀土元素中选出的更多的元素是R1-Fe-B组合物的烧结磁体形式，其中R1是选自包括Y和Sc的稀土元素中的一种或多种元素，然后热处理 磁体形式和粉末，其温度等于或低于磁体在真空或惰性气体中的烧结温度。 结果，高性能，紧凑或薄的永磁体在高生产率下具有高剩磁和矫顽力。

公开(公告)号：US08269392B2

公开(公告)日：2012-09-18

申请号：US12893772

申请日：2010-09-29

申请人： Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

发明人： Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

IPC分类号： H02K21/12

CPC分类号： H02K1/276 ,  H01F1/0577 ,  H01F41/0293 ,  H02K1/278

摘要： A permanent magnet rotary machine comprises a rotor comprising a rotor core and a plurality of permanent magnet segments embedded in the rotor core and a stator having a plurality of coils and disposed to define a gap with the rotor, or a permanent magnet rotary machine comprises a rotor comprising a rotor core and a plurality of permanent magnet segments mounted on the surface of the rotor core and a stator having a plurality of coils and disposed to define a gap with the rotor. In the rotor, each permanent magnet segment is an assembly of divided permanent magnet pieces, the coercive force near the surface of the magnet piece is higher than that in the interior of the magnet piece, and the assembly allows for electrical conduction between the magnet pieces.

摘要翻译： 永磁旋转机械包括转子，转子包括转子芯和嵌入在转子芯中的多个永磁体段，以及具有多个线圈并且设置成与该转子间隔开的定子，或者永磁旋转机械包括： 转子，其包括转子芯和安装在转子芯的表面上的多个永磁体段和具有多个线圈并设置成与转子限定间隙的定子。 在转子中，每个永磁体段是分开的永久磁体块的组件，靠近磁体片表面的矫顽力高于磁片内部的矫顽力，并且组件允许磁体片之间的导电 。

公开(公告)号：US20120145868A1

公开(公告)日：2012-06-14

申请号：US13390709

申请日：2010-08-27

申请人： Takashi Okada ,  Soichiro Hozumi ,  Koichi Hirota ,  Toshiro Maeda

发明人： Takashi Okada ,  Soichiro Hozumi ,  Koichi Hirota ,  Toshiro Maeda

IPC分类号： B60N2/06

CPC分类号： B60N2/067 ,  B60N2/0228 ,  B60N2/0232 ,  B60N2002/0236 ,  B60N2002/024

摘要： Disclosed is a seat sliding apparatus for a vehicle, the apparatus provided with a pair of lower rails fixed to the vehicle floor and a pair of upper rails fixed to a vehicle seat. The seat sliding apparatus causes screw shafts supported at the upper rail to rotate relative to nut members fixed to the lower rails and the upper rails to move relative to the lower rails in the seat forward-rearward direction. A speed reducer-equipped motor comprises a motor, a gear mechanism, and a gear housing. The gear housing is designed so that the axis of the output shaft of the gear mechanism extends in the seat width direction. A manipulation switch comprises a manipulating portion fixed to the gear housing such that the operation switch is exposed at a forward end of the seat.

摘要翻译： 公开了一种用于车辆的座椅滑动装置，该装置设置有固定到车辆地板的一对下轨道和固定到车辆座椅的一对上轨道。 座椅滑动装置使得支撑在上轨道上的螺杆轴相对于固定到下轨道的螺母部件旋转，并且上轨道在座椅前后方向上相对于下轨道移动。 具有减速器的马达包括马达，齿轮机构和齿轮箱。 齿轮箱被设计成使得齿轮机构的输出轴的轴线在座椅宽度方向上延伸。 操作开关包括固定到齿轮壳体的操作部分，使得操作开关在座椅的前端露出。

公开(公告)号：US08075707B2

公开(公告)日：2011-12-13

申请号：US11916506

申请日：2007-03-28

申请人： Hajime Nakamura ,  Takehisa Minowa ,  Koichi Hirota

发明人： Hajime Nakamura ,  Takehisa Minowa ,  Koichi Hirota

IPC分类号： H01F1/057

CPC分类号： B22F7/02 ,  C21D6/00 ,  C22C38/005 ,  H01F1/0577 ,  H01F41/0293

摘要： A method for preparing a rare earth permanent magnet material comprises the steps of disposing a powder on a surface of a sintered magnet body of R1aTbAcMd composition wherein R1 is a rare earth element inclusive of Sc and Y, T is Fe and/or Co, A is boron (B) and/or carbon (C), M is Al, Cu, Zn, In, Si, P, S, Ti, V, Cr, Mn, Ni, Ga, Ge, Zr, Nb, Mo, Pd, Ag, Cd, Sn, Sb, Hf, Ta, or W, said powder comprising an oxide of R2, a fluoride of R3 or an oxyfluoride of R4 wherein R2, R3, and R4 are rare earth elements inclusive of Sc and Y and having an average particle size equal to or less than 100 μm, heat treating the magnet body and the powder at a temperature equal to or below the sintering temperature of the magnet body for absorption treatment for causing R2, R3, and R4 in the powder to be absorbed in the magnet body, and repeating the absorption treatment at least two times. According to the invention, a rare earth permanent magnet material can be prepared as an R—Fe—B sintered magnet with high performance and a minimized amount of Tb or Dy used.

摘要翻译： 一种制备稀土永磁材料的方法包括以下步骤：在R1aTbAcMd组合物的烧结磁体的表面上设置粉末，其中R1是包括Sc和Y的稀土元素，T是Fe和/或Co，A 是硼（B）和/或碳（C），M是Al，Cu，Zn，In，Si，P，S，Ti，V，Cr，Mn，Ni，Ga，Ge，Zr，Nb，Mo， ，Ag，Cd，Sn，Sb，Hf，Ta或W，所述粉末包含R2的氧化物，R3的氟化物或R4的氟氧化物，其中R2，R3和R4是包括Sc和Y的稀土元素， 具有等于​​或小于100μm的平均粒度，在等于或低于磁体的烧结温度的温度下对磁体和粉末进行热处理以进行吸收处理，以使粉末中的R2，R3和R4成为 被吸收在磁体中，并且重复吸收处理至少两次。 根据本发明，稀土永磁材料可以制备成具有高性能和最小量的Tb或Dy的R-Fe-B烧结磁体。

公开(公告)号：US20110080065A1

公开(公告)日：2011-04-07

申请号：US12889849

申请日：2010-09-24

申请人： Naoki Watanabe ,  Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

发明人： Naoki Watanabe ,  Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

IPC分类号： H02K21/24

CPC分类号： H02K1/2793 ,  H01F41/0293

摘要： An axial gap-type permanent magnetic rotating machine comprises a rotor comprising a rotating shaft having an axis of rotation, a rotor yoke of disc shape radially extending from the shaft, and a plurality of permanent magnet segments circumferentially arranged on a surface of the rotor yoke such that each permanent magnet segment may have a magnetization direction parallel to the axis of rotation, and a stator having a plurality of circumferentially arranged coils and disposed to define an axial gap with the rotor. In the rotor, each permanent magnet segment is an assembly of two or more divided permanent magnet pieces, and the coercive force near the surface of the magnet piece is higher than that in the interior of the magnet piece.

摘要翻译： 一种轴向间隙型永磁旋转机械，包括：转子，其包括具有旋转轴的旋转轴，从轴径向延伸的盘形转子轭，以及周向布置在转子轭的表面上的多个永磁体段 使得每个永磁体段可以具有平行于旋转轴线的磁化方向，以及具有多个周向排列的线圈并且被设置成限定与转子的轴向间隙的定子。 在转子中，每个永磁体段是两个或更多个分开的永磁体片的组件，并且磁体片表面附近的矫顽力高于磁片内部的矫顽力。

公开(公告)号：US20110079325A1

公开(公告)日：2011-04-07

申请号：US12889835

申请日：2010-09-24

申请人： Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

发明人： Yuhito Doi ,  Takehisa Minowa ,  Hajime Nakamura ,  Koichi Hirota

IPC分类号： H01F13/00 ,  C23C22/00 ,  C21D1/04 ,  H02K15/02

CPC分类号： H02K15/03 ,  H01F7/0221 ,  H02K1/2766 ,  Y10T29/49009 ,  Y10T29/49012

摘要： An interior permanent magnet (IPM) rotary machine comprises a rotor comprising a rotor yoke having bores and a plurality of permanent magnet segments disposed in the bores of the rotor yoke, each permanent magnet segment consisting of a plurality of magnet pieces. The rotor is assembled by inserting the plurality of unbound magnet pieces in each bore for stacking the magnet pieces, and fixedly securing the stacked magnet pieces in the bore.

摘要翻译： 内置永磁（IPM）旋转机器包括转子，该转子包括具有孔的转子轭和设置在转子轭的孔中的多个永磁体段，每个永磁体段由多个磁片组成。 通过将多个未结合的磁体片插入每个孔中以堆叠磁体片并将堆叠的磁体片牢固地固定在孔中来组装转子。

公开(公告)号：US07883587B2

公开(公告)日：2011-02-08

申请号：US11941127

申请日：2007-11-16

申请人： Hajime Nakamura ,  Koichi Hirota ,  Takehisa Minowa

发明人： Hajime Nakamura ,  Koichi Hirota ,  Takehisa Minowa

IPC分类号： H01F1/057 ,  H01F1/053

CPC分类号： B22F3/24 ,  B22F2003/248 ,  C22C33/0278 ,  C22C2202/02 ,  H01F1/058 ,  H01F1/059 ,  H01F41/0293

摘要： A rare earth permanent magnet is prepared by providing a sintered magnet body consisting of 12-17 at % of rare earth, 3-15 at % of B, 0.01-11 at % of metal element, 0.1-4 at % of O, 0.05-3 at % of C, 0.01-1 at % of N, and the balance of Fe, disposing on a surface of the magnet body a powder comprising an oxide, fluoride and/or oxyfluoride of another rare earth, and heat treating the powder-covered magnet body at a temperature below the sintering temperature in vacuum or in an inert gas, for causing the other rare earth to be absorbed in the magnet body.

摘要翻译： 通过提供一种烧结磁体制备稀土永磁体，该磁体由12-17at％的稀土，3-15at％的B，0.01-11at％的金属元素，0.1-4at％的O，0.05 -3at％的C，0.01-1at％的N，余量为Fe，在磁体的表面上设置包含另一稀土的氧化物，氟化物和/或氟氧化物的粉末，并将粉末热处理 在低于真空或惰性气体中的烧结温度的温度下，使其它稀土被吸收在磁体中。

公开(公告)号：US20090265063A1

公开(公告)日：2009-10-22

申请号：US12440856

申请日：2007-09-20

申请人： Junya Kasugai ,  Koichi Hirota ,  Kazushi Konno ,  Takaya Aiyama

发明人： Junya Kasugai ,  Koichi Hirota ,  Kazushi Konno ,  Takaya Aiyama

IPC分类号： B60N2/48

CPC分类号： B60R11/02 ,  B60N2/888 ,  B60N2002/0268 ,  B60R11/04 ,  B60R21/0134 ,  B60R21/0152 ,  B60R21/01538 ,  B60R21/01554 ,  B60R2011/0017 ,  B60R2021/0048 ,  B60R2021/01252

摘要： A face image obtained by imaging a vehicle occupant by a CCD camera (10) is recorded in an image memory (140). A CPU (170) detects the position and the direction of a face of the occupant according to the face image recorded in the recording memory (140). The CPU (170) is triggered by an input from an obstacle detection sensor (60) to calculate a displacement amount and a rotation amount of a headrest (200) according to the face and the direction of the face of the occupant against the headrest (200) and the direction and the speed of the obstacle against the vehicle and adjust the position and angle of the headrest (200) by driving a motor (211).

摘要翻译： 通过CCD照相机（10）对车辆乘员进行摄像而获得的面部图像被记录在图像存储器（140）中。 CPU（170）根据记录在记录存储器（140）中的脸部图像来检测乘员的脸部的位置和方向。 CPU（170）由来自障碍物检测传感器（60）的输入触发，根据乘员的脸部与头枕的面部和方向计算头枕（200）的位移量和旋转量（ 200）以及障碍物抵靠车辆的方向和速度，并且通过驱动马达（211）来调节头枕（200）的位置和角度。

公开(公告)号：US07488394B2

公开(公告)日：2009-02-10

申请号：US11340502

申请日：2006-01-27

申请人： Hajime Nakamura ,  Koichi Hirota ,  Masanobu Shimao ,  Takehisa Minowa

发明人： Hajime Nakamura ,  Koichi Hirota ,  Masanobu Shimao ,  Takehisa Minowa

IPC分类号： H01F1/057 ,  H01F1/058

CPC分类号： C22C38/005 ,  H01F1/0577 ,  H01F1/058 ,  H01F41/0266 ,  H01F41/0293

摘要： A rare earth permanent magnet is in the form of a sintered magnet body having a composition R1aR2bTcAdFeOfMg wherein F and R2 are distributed such that their concentration increases on the average from the center toward the surface of the magnet body, and grain boundaries having a concentration of R2/(R1+R2) which is on the average higher than the concentration of R2/(R1+R2) contained in primary phase grains of (R1,R2)2T14A tetragonal system form a three-dimensional network structure which is continuous from the magnet body surface to a depth of at least 10 μm. The invention provides R—Fe—B sintered magnets which exhibit a high coercive force.

摘要翻译： 稀土永久磁铁是具有组成R1aR2bTcAdFeOfMg的烧结磁体的形式，其中F和R2分布成使得它们的浓度从中心向磁体的平均值增加，并且具有浓度为 平均高于（R1，R2）2T14A四方晶系的主相晶粒中R2 /（R1 + R2）的浓度的R2 /（R1 + R2）的R2 /（R1 + R2）形成三维网状结构，该三维网状结构从 磁体表面深度至少为10um。 本发明提供了表现出高矫顽力的R-Fe-B烧结磁体。

公开(公告)号：US20080296943A1

公开(公告)日：2008-12-04

申请号：US12097052

申请日：2005-12-12

申请人： Koichi Hirota ,  Hitoshi Takayanagi

发明人： Koichi Hirota ,  Hitoshi Takayanagi

IPC分类号： A47C7/38

CPC分类号： B60N2/865 ,  B60N2/002 ,  B60N2/0224 ,  B60N2/888

摘要： A head rest rear portion is supported to a seat back. A head rest front portion is movable forward and backward between a full-close position that is brought into contact with or close to the head rest rear portion and a full-open position that is a predetermined distance away from the head rest rear portion. A drive mechanism moves the head rest front portion. A detection sensor provided in the head rest front portion includes an electrode having a head portion detecting antenna electrode for detecting a head portion of an occupant at a time when the head rest front portion moves in the full-open position direction, and a finger detecting antenna electrode for detecting a finger of the occupant in a rear seat or the like at a time when the head rest front portion moves in the full-close position direction.

摘要翻译： 头枕后部支撑在座椅靠背上。 头枕前部可在与头枕后部接触或靠近头枕后部的完全关闭位置和远离头枕后部的预定距离的全开位置之间向前和向后移动。 驱动机构使头枕前部移动。 设置在头枕前部的检测传感器包括：电极，其具有头部检测用天线电极，用于在头枕前部沿全开位置方向移动时检测乘员的头部;以及手指检测 天线电极，用于在头枕前部在全关位置方向上移动时检测后座椅等中的乘员的手指。