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    • 1. 发明授权
    • Guide arm with a fixed printed circuit board for magnetic disk drive
    • 导向臂,带有用于磁盘驱动器的固定印刷电路板
    • US5245489A
    • 1993-09-14
    • US842491
    • 1992-02-27
    • Hideyuki KimuraTakuji ToriiTsuyoshi TakahashiHiroshi NishidaKenji MoriYuzo YamaguchiYokuo SaitohKihachiro TanakaShinobu Yoshida
    • Hideyuki KimuraTakuji ToriiTsuyoshi TakahashiHiroshi NishidaKenji MoriYuzo YamaguchiYokuo SaitohKihachiro TanakaShinobu Yoshida
    • G11B5/48
    • G11B5/486
    • A head arm for use in a magnetic disk drive, comprising a guide arm disposed between a magnetic head and an actuator so as to transmit actuating force of the actuator to the magnetic head thereby guiding the magnetic head along a plane of a magnetic disk, a printed circuit fixed to the guide arm, and deflection compensating member for making the coefficients of thermal expansion of said guide arm and said printed circuit substantially equal to each other in at least the direction of seek of the head arm. No thermal deformation in an out-of-plane direction occurs on such a head arm regardless of any variation in the temperature of the environment in which the magnetic disk drive is installed. A head arm may also comprise a guide arm and a printed circuit formed of a moisture absorptive material and covered at all or part of its surfaces with a covering layer formed of a moisture resistive material not permeable to moisture. No deformation in an out-of-plane direction occurs on such a head arm regardless of any variation in the humidity of the environment in which the magnetic disk drive is installed. Therefore, the possibility of occurrence of off-track can be minimized.
    • 一种用于磁盘驱动器的头臂,包括设置在磁头和致动器之间的引导臂,以将致动器的致动力传递到磁头,从而沿着磁盘的平面引导磁头, 固定到引导臂的印刷电路和用于使所述引导臂和所述印刷电路的热膨胀系数至少在头臂的寻找方向上彼此基本相等的偏转补偿构件。 在这种头臂上不发生面外方向的热变形,而不管安装有磁盘驱动器的环境的温度如何变化。 头臂还可以包括引导臂和由吸湿材料形成的印刷电路,并在其全部或部分表面上覆盖由不透湿水分的防潮材料形成的覆盖层。 在这种头臂上不发生面外方向的变形,而不管安装有磁盘驱动器的环境的湿度是否变化。 因此,可以使偏离轨迹的发生的可能性最小化。
    • 2. 发明授权
    • Guide arm with affixed printed circuit board for magnetic disk drive
    • 导向臂带有固定的电路板用于磁盘驱动器
    • US5140482A
    • 1992-08-18
    • US592914
    • 1990-10-04
    • Hideyuki KimuraTakuji ToriiTsuyoshi TakahashiHiroshi NishidaKenji MoriYuzo YamaguchiYokuo SaitohKihachiro TanakaShinobu Yoshida
    • Hideyuki KimuraTakuji ToriiTsuyoshi TakahashiHiroshi NishidaKenji MoriYuzo YamaguchiYokuo SaitohKihachiro TanakaShinobu Yoshida
    • G11B5/48
    • G11B5/486
    • A head arm for use in a magnetic disk drive, comprising a guide arm disposed between a magnetic head and an actuator so as to transmit actuating force of the actuator to the magnetic head thereby guiding the magnetic head along a plane of a magnetic disk, a printed circuit fixed to the guide arm, and deflection compensating member for making the coefficients of thermal expansion of said guide arm and said printed circuit substantially equal to each other in at least the direction of seek of the head arm. No thermal deformation in an out-of-plane direction occurs on such a head arm regardless of any variation in the temperature of the environment in which the magnetic disk drive is installed. The head arm may also comprise a guide arm and a printed circuit formed of a moisture absorptive material and covered at all or part of its surfaces with a covering layer formed of a moisture resistive material not permeable to moisture. No deformation in an out-of-plane direction occurs on such a head arm regardless of any variation in the humidity of the environment in which the magnetic disk drive is installed. Therefore, the possibility of occurrence of off-track can be minimized.
    • 一种用于磁盘驱动器的头臂,包括设置在磁头和致动器之间的引导臂,以将致动器的致动力传递到磁头,从而沿着磁盘的平面引导磁头, 固定到引导臂的印刷电路和用于使所述引导臂和所述印刷电路的热膨胀系数至少在头臂的寻找方向上彼此基本相等的偏转补偿构件。 在这种头臂上不发生面外方向的热变形,而不管安装有磁盘驱动器的环境的温度如何变化。 头臂还可以包括引导臂和由吸湿材料形成的印刷电路,并在其全部或部分表面上覆盖由不透湿水分的防潮材料形成的覆盖层。 在这种头臂上不发生面外方向的变形,而不管安装有磁盘驱动器的环境的湿度是否变化。 因此,可以使偏离轨迹的发生的可能性最小化。
    • 3. 发明授权
    • Magnetic disk storage system
    • 磁盘存储系统
    • US5414591A
    • 1995-05-09
    • US868421
    • 1992-04-15
    • Hideyuki KimuraTsuyoshi TakahashiTomio SuzukiToshio OhdairaKouki UefuneYuji Nishimura
    • Hideyuki KimuraTsuyoshi TakahashiTomio SuzukiToshio OhdairaKouki UefuneYuji Nishimura
    • G06F1/20G11B33/14H05K7/20
    • H05K7/20736G06F1/20G11B33/142
    • A magnetic disk storage system in which magnetic disk drives can be cooled effectively, and even if a blast device for one of he magnetic disk drives fall into trouble or cease operation, a temperature rise of this magnetic disk drive can be suppressed to the minimum. For this purpose, in the magnetic disk storage system containing a plurality of magnetic disk drives, blase devices ae provided for each of the disk drives, and the disk drives are separated by partitions in which openings are formed so that the cooling air can be passed between adjacent magnetic disk drives. With this structure, even if a blast device for a certain magnetic disk drive is out of order or stopped, a part of the cooling air from a blase device for the adjacent disk drives flows into the magnetic disk drive in question through the openings formed in the partitions, and consequently, the temperature rise of the magnetic disk drive whose blase device ceases operation can be suppressed to the minimum, to thereby enhance the reliability of the magnetic disk storage system.
    • 可以有效地冷却磁盘驱动器的磁盘存储系统,即使其中一个磁盘驱动器的鼓风装置出现故障或停止运行,也可以将该磁盘驱动器的升温最小化。 为此,在包含多个磁盘驱动器的磁盘存储系统中,为每个磁盘驱动器提供blase设备,并且磁盘驱动器被分隔开,其中形成有开口的分区,使得冷却空气可以通过 在相邻的磁盘驱动器之间。 利用这种结构,即使用于某个磁盘驱动器的鼓风装置出现故障或停止,来自用于相邻磁盘驱动器的闪光装置的一部分冷却空气通过形成在所述磁盘驱动器中的开口流入所述磁盘驱动器 因此,可以将分隔部,因此能够将消除装置停止运转的磁盘驱动器的温度上升抑制到最小限度,从而提高磁盘存储系统的可靠性。
    • 7. 发明授权
    • Scroll fluid machine having multistage compressing part
    • 具有多级压缩部件的滚动流体机械
    • US06659743B2
    • 2003-12-09
    • US10091599
    • 2002-03-07
    • Hideyuki KimuraAtsushi Unami
    • Hideyuki KimuraAtsushi Unami
    • F04C1804
    • F04C23/001F04C18/0269F04C29/04
    • The present invention has an object of offering a scroll fluid machine having a multi-stage compressing part which is characterized in that volumes of a sealed spaces is less scattering thereof corresponding to the given angle rotational amount of the revolving scroll driving shaft. In a scroll fluid machine having a multi-stage compressing part which further compresses fluid, which have been compressed by a front stage compressing part and cooled, with a back-stage compressing part, a scroll fluid machine having a multi-stage compressing part which is characterized in that a reduction ratio &Dgr;Y of a volume of a compression chamber is smaller in a back compressing part than in a front compressing part, &Dgr;Y being expressed by &Dgr;Y={A(n−1)−An}/A(n−1), where A is the volume of a compression chamber defined by a scroll wrap and a scroll mirror plane, A(n−1) is the volume of a compression chamber at the rotational angle &Dgr;&ohgr;(n−1), An is the volume of a compression chamber at the rotational angle &Dgr;&ohgr;n and &Dgr;&ohgr; is the rotational angle of the driving shaft 16 of a revolving scroll.
    • 本发明的目的是提供一种具有多级压缩部件的涡旋流体机械,其特征在于,与旋转涡旋盘驱动轴的给定角度旋转量相对应的密封空间的体积较少散开。 在具有多段压缩部件的涡旋流体机械中,该多级压缩部件进一步压缩由前级压缩部件压缩并被后级压缩部件冷却的流体,该涡旋流体机械具有多级压缩部件,该多级压缩部件具有多级压缩部件, 其特征在于,在背压缩部分中压缩室的体积的减速比DeltaY比在前压缩部中小,DeltaY由DeltaY = {A(n-1)-An} / A(n- 1),其中A是由涡卷和涡旋面平面限定的压缩室的体积,A(n-1)是旋转角度Deltaomega(n-1)处的压缩室的体积,An是 旋转角度Deltaomegan和Deltaomega处的压缩室的体积是旋转涡卷的驱动轴16的旋转角度。