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    • 3. 发明专利
    • Suspension
    • 悬挂
    • JP2014190405A
    • 2014-10-06
    • JP2013065544
    • 2013-03-27
    • Kayaba Ind Co Ltdカヤバ工業株式会社
    • MOCHIZUKI TAKAHISAITO NAOKISAITO KEIJI
    • F16F9/44B62K25/08F16F9/32F16F9/53
    • B62K25/08F16F9/535F16F9/56F16F13/007F16F2230/04
    • PROBLEM TO BE SOLVED: To mount reaction force adjusting means for adjusting reaction force of a suspension spring, on a seal member holding a piston rod of a buffer, even when damping force of a buffer can be electrically adjusted.SOLUTION: A suspension includes a buffer D including a piston 3 held by a piston rod 2 coming in and out to a cylinder 2 and defining two chambers r1, r2 in the cylinder 1, and a passage L communicating the two chambers r1, r2, a suspension spring S, a tube member T accommodating the buffer D and the suspension spring S, a seal member 4 closing an opening at one side, of the tube member T and holding the piston rod 2, damping force adjusting means 5 for adjusting damping force of the buffer D, and reaction force adjusting means 6 for adjusting reaction force of the suspension spring S. A working fluid of the buffer D is a magnetic viscous fluid, the damping force adjusting means 5 includes a coil 50 generating a magnetic field in the passage L, and a wire 51 penetrating through the piston rod 2 and the seal member 4, and energizing the coil 50, and the reaction force adjusting means 6 is mounted on the seal member 4.
    • 要解决的问题:即使在缓冲器的阻尼力可以被电调节的情况下,也可以安装用于调节悬架弹簧的反作用力的反作用力调节装置,保持缓冲器的活塞杆的密封构件。解决方案:悬架包括 缓冲器D包括由活塞杆2保持的活塞3,活塞杆2进入到缸体2中并限定在气缸1中的两个室r1,r2;以及连通两个室r1,r2,悬架弹簧S, 容纳缓冲器D和悬架弹簧S的管构件T,封闭管构件T的一侧的开口并保持活塞杆2的密封构件4,用于调节缓冲器D的阻尼力的阻尼力调节装置5, 以及用于调节悬架弹簧S的反作用力的反作用力调节装置6.缓冲器D的工作流体是磁性粘性流体,阻尼力调节装置5包括在通道L中产生磁场的线圈50和 电线51 穿过活塞杆2和密封构件4,并对线圈50通电,并且反作用力调节装置6安装在密封构件4上。
    • 6. 发明专利
    • Sleeve, sleeve unit, and motor
    • SLEEVE,SLEEVE UNIT和MOTOR
    • JP2006311709A
    • 2006-11-09
    • JP2005131318
    • 2005-04-28
    • Nippon Densan Corp日本電産株式会社
    • TAMAOKA TAKETO
    • H02K5/24F16C17/02F16C33/10F16C33/14H02K5/16H02K7/08
    • H02K5/1675F16C17/026F16C33/107F16F15/023F16F2230/04H02K7/085
    • PROBLEM TO BE SOLVED: To restrain resonance between oscillation caused by degradation of a perfect circle of a sleeve and oscillation caused by the number of poles or phases, in an electric motor in which a bearing mechanism using fluid dynamic pressure is provided.
      SOLUTION: In the bearing mechanism which is provided at the motor and uses the fluid dynamic pressure of lubricant, five linear grooves 2213 parallel to the center line J1 are formed at a sleeve outer side surface 2212 of the sleeve 221 at regular intervals in a circumferential direction, and a fluid passage for lubricant circulation is formed by the plurality of grooves 2213 and an inner side surface of a sleeve housing. In this motor, the number of the grooves 2213 of the sleeve 221 is mutually set to be prime for each of the number of phases (three phases) of driving current of the motor and the number of poles (eight poles) of a magnet 34 for a magnetic field, thus restraining resonance between the oscillation caused by degradation of the perfect circle of the sleeve 221 and oscillation caused by the number of poles of the motor or the number of phases of the driving current.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:在提供使用流体动力学的轴承机构的电动机中,抑制由于套筒的正圆的劣化引起的振荡和由极数或相位的数量引起的振荡之间的共振。 解决方案:在设置在电动机上并使用润滑剂的流体动压力的轴承机构中,以规则的间隔在套筒221的套筒外侧表面2212上形成平行于中心线J1的五个直线槽2213 并且用于润滑剂循环的流体通道由多个槽2213和套筒壳体的内侧表面形成。 在该电动机中,套筒221的槽2213的数量相互设定为马达的驱动电流的数量相(三相)和磁体34的极数(八极)中的每一个的素数 因此抑制由于套筒221的正圆的劣化引起的振荡与由电动机的极数或驱动电流的相数产生的振荡之间的共振。 版权所有(C)2007,JPO&INPIT