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    • 73. 发明授权
    • Magnetic powder and isotropic bonded magnet
    • 磁粉和各向同性粘结磁铁
    • US06558482B1
    • 2003-05-06
    • US09620703
    • 2000-07-20
    • Akira AraiHiroshi Kato
    • Akira AraiHiroshi Kato
    • H01F1057
    • B82Y25/00H01F1/0579H01F1/15316
    • Disclosed herein is a magnetic powder which can provide a magnet having a high magnetic flux density and excellent magnetizability and reliability especially excellent heat resisting property (heat stability). The magnetic powder is composed of an alloy composition represented by Rx(Fe1−yCoy)100-x-z-wBzAlw (where R is at least one kind of rare-earth element, x is 8.1-9.4 at %, y is 0-0.30, z is 4.6-6.8 at %, and w is 0.02-1.5 at %), the magnetic powder being constituted from a composite structure having a soft magnetic phase and a hard magnetic phase, wherein the magnetic powder has characteristics in which, when the magnetic powder is formed into an isotropic bonded magnet by mixing with a binding resin and then molding it, the irreversible susceptibility (Xirr) which is measured by using an intersectioning point of a demagnetization curve in the J-H diagram representing the magnetic characteristics at the room temperature and a straight line which passes the origin in the J-H diagram and has a gradient (J/H) of −3.8×10−6H/m as a starting point is less than 5.0×10−7H/m, and the intrinsic coercive force (HCJ) of the magnet at the room temperature is in the range of 406-717 kA/m.
    • 这里公开了一种磁粉,其可以提供磁通密度高的磁体和优异的磁化性和可靠性,特别是优异的耐热性(热稳定性)。 磁性粉末由Rx(Fe1-yCoy)100-xz-wBzAlw(其中R是至少一种稀土元素,x为8.1-9.4at%,y为0-0.30, z为4.6〜6.8原子%,w为0.02〜1.5原子%),磁性粉末由具有软磁性相和硬磁性相的复合结构构成,其特征在于, 粉末通过与粘合树脂混合然后成型而形成各向同性粘结磁体,通过使用表示室温下的磁特性的JH图中的去磁曲线的交点测量的不可逆磁化率(Xirr)和 在JH图中通过原点并具有-3.8×10-6H / m的梯度(J / H)作为起始点的直线小于5.0×10-7H / m,并且固有矫顽力(HCJ) 的磁体在室温下在406-717kA / m的范围内。
    • 74. 发明授权
    • Method of manufacturing magnet material, ribbon-shaped magnet material, magnetic powder and bonded magnet
    • 磁铁材料,带状磁铁材料,磁粉和粘结磁铁的制造方法
    • US06401799B1
    • 2002-06-11
    • US09636423
    • 2000-08-10
    • Akira AraiHiroshi Kato
    • Akira AraiHiroshi Kato
    • B22D1106
    • H01F1/0571H01F1/0578
    • A magnet material having excellent magnetic properties and a bonded magnet formed of the magnet material as well as a method of manufacturing the magnet material are disclosed. The method of manufacturing the magnet material is carried out by discharging a molten metal of the magnet material from a nozzle while rotating a cooling roll having a surface layer composed of ceramics on its outer periphery to be collided with the surface layer of the cooling roll and solidified by cooling, the method of manufacturing the magnet material being characterized in that the time during which the magnet material is in contact with the surface layer of the cooling roll is not less than 0.5 ms when the molten metal of said magnet material is discharged from directly above the center of rotation of the cooling roll toward an apex part of the cooling roll to be collided with the apex part.
    • 公开了一种具有优异磁性的磁体材料和由该磁体材料形成的粘结磁体以及一种制造磁体材料的方法。 制造磁体材料的方法是通过从喷嘴排出磁体材料的熔融金属,同时在其外周旋转具有由陶瓷构成的表面层的冷却辊以与冷却辊的表面层相撞, 通过冷却固化,制造磁体材料的方法的特征在于,当所述磁体材料的熔融金属从所述磁性材料的熔融金属排出时,磁体材料与冷却辊的表面层接触的时间不小于0.5ms 直接在冷却辊的旋转中心的上方朝向冷却辊的顶点与顶点部分碰撞。
    • 75. 发明授权
    • Automatic transmission
    • 自动变速器
    • US06361468B1
    • 2002-03-26
    • US09466870
    • 1999-12-20
    • Hiroshi KatoKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaSatoru KasuyaAkitoshi Kato
    • Hiroshi KatoKazumasa TsukamotoMasahiro HayabuchiMasaaki NishidaSatoru KasuyaAkitoshi Kato
    • F16H362
    • F16H3/663F16H2200/0052F16H2200/2007F16H2200/2097
    • A multi-stage automatic transmission using a reduction planetary gear and a planetary gear set in which the respective thrust forces generated thereat are supported by a low bearing load or a low case load. The automatic transmission is provided with a reduction planetary gear, coupled to an input shaft to fix a reaction force element so as to output a reduction rotation to an output element, and a planetary gear set, that outputs a speed shift rotation upon input of the subsequent reduction rotation. During at least first gear driving, there is provided a force transmission route in which thrust forces generated at one element of the reduction planetary gear and one element of the planetary gear set, respectively, are transmitted. In that route, a torsion direction of the spiral teeth of the respective elements are set such that a direction of a thrust force of the element and a direction of the thrust force of the other element are different from each other during first gear driving.
    • 使用减速行星齿轮和行星齿轮组的多级自动变速器,其中在其上产生的各个推力由低轴承负载或小负载负载。 自动变速器设置有减速行星齿轮,联接到输入轴以固定反作用力元件以将减速旋转输出到输出元件;以及行星齿轮组,其在输入时输出速度换档旋转 随后的减速旋转。 在至少第一齿轮传动期间,设置有力传递路径,其中分别在所述还原行星齿轮的一个元件处产生的推力和所述行星齿轮组的一个元件产生的推力。 在该路径中,各元件的螺旋齿的扭转方向被设定为使得元件的推力方向和另一元件的推力方向在第一档位驱动期间彼此不同。
    • 77. 发明授权
    • Carrier tape and die apparatus for forming same
    • 用于形成它的载带和模具装置
    • US06179127B2
    • 2001-01-30
    • US08950060
    • 1997-10-14
    • Hiroshi KatoTomoyasu KatoYasuyuki Takao
    • Hiroshi KatoTomoyasu KatoYasuyuki Takao
    • B65D8586
    • B65D73/02H05K13/0084
    • A carrier tape capable of being formed by means of a die apparatus readily manufactured and exhibiting increased durability. The carrier tape is formed thereon with a plurality of receiving recesses for respectively receiving semiconductor packages therein in a manner to be spaced from each other at predetermined intervals in a longitudinal direction thereof. The receiving recesses are each provided at four corners thereof with shelf sections in a manner to be expanded outwardly from an opening of the receiving recess in a plane direction, so that the shelf sections may have an increased area. The shelf sections act to support a periphery of a bottom surface of the semiconductor package thereon. The receiving recess is also provided with positioning sections for positioning the semiconductor package in the plane direction while keeping sides of the semiconductor package in contact therewith. The positioning sections are respectively arranged between an adjacent two of the shelf sections.
    • 能够通过容易制造并显示出增加的耐久性的模具装置形成的载带。 载体带上形成有多个容纳凹槽,用于分别以其沿其纵向方向以预定间隔彼此间隔开的方式分别容纳半导体封装。 接收凹部各自在其四个角处设置有搁板部分,从而在平面方向上从容纳凹部的开口向外扩展,使得搁板部分可以具有增加的面积。 搁板部分用于支撑半导体封装的底表面的周边。 接收凹部还设置有用于将半导体封装定位在平面方向上的定位部分,同时保持半导体封装的侧面与其接触。 定位部分分别设置在相邻的两个搁板部分之间。
    • 78. 发明授权
    • Toroidal-type continuously variable transmission
    • 环形无级变速器
    • US06174258B1
    • 2001-01-16
    • US09181911
    • 1998-10-29
    • Takashi ImanishiNobuo GotoHiroshi KatoNobuaki Mitamura
    • Takashi ImanishiNobuo GotoHiroshi KatoNobuaki Mitamura
    • F16H1538
    • F16H15/38
    • There is provided a trunnion for a toroidal continuously variable transmission in which the material is strengthened against the wear and plastic deformation of a trunnion. The trunnion includes a base portion having a body portion, which connects and supports a base end portion of a displacement shaft at a surface intermediate portion, and a pair of plate portions, in which an edge apart from the body portion is a tip end edge, and a pair of axis (shaft) portions protruding from the outside surfaces of the plate portions in opposite directions to each other. The toroidal continuously variable transmission is characterized in that at least the rolling surface of a radial needle bearing for supporting the tilted rotation of the trunnion has a hardness not lower than HRC55, and a core portion has a hardness not lower than HRC20 and not higher than HRC45.
    • 提供了一种用于环形无级变速器的耳轴,其中材料被抵抗耳轴的磨损和塑性变形而被加强。 耳轴包括具有主体部分的基部,该主体部分在表面中间部分处连接和支撑位移轴的基端部分,以及一对板部分,其中远离主体部分的边缘是尖端边缘 以及从板部的外表面彼此相反的方向突出的一对轴(轴)部。 环形无级变速器的特征在于,用于支撑耳轴倾斜旋转的径向滚针轴承的滚动面至少具有不低于HRC55的硬度,并且芯部具有不低于HRC20的硬度并且不高于 HRC45。