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    • 3. 发明公开
    • ELECTRIC AUTOMOBILE
    • 电动汽车
    • EP2680436A1
    • 2014-01-01
    • EP12748948.2
    • 2012-02-10
    • NTN Corporation
    • OZAKI, Takayoshi
    • H02P29/00B60L3/00F16H1/32H02K7/116H02K11/00
    • B60L15/20B60L3/0038B60L3/0061B60L3/0092B60L15/10B60L2220/46B60L2240/421B60L2240/423B60L2240/429B60L2260/26Y02T10/642Y02T10/645Y02T10/7275
    • An electric vehicle includes a motor unit (6) configured to drive a wheel (2), an ECU (21) and an inverter unit (22). A motor control circuitry (29) of the inverter unit (22) includes a rotational frequency controller (37) operable to perform rotational frequency control. The electric vehicle also includes a torque control abnormalities detector (38) configured to detect an abnormality of torque control performed by the motor control circuitry (29). The electric vehicle also includes a control mode switcher (39) configured to, in response to determination by the torque control abnormalities detector (38) that there is an abnormality of torque control, cause the motor control circuitry (29) to switch from torque control to rotational frequency control performed by the rotational frequency controller (37).
    • 电动车辆包括配置成驱动车轮(2)的电动机单元(6),ECU(21)和逆变器单元(22)。 逆变器单元(22)的电机控制电路(29)包括可操作来执行旋转频率控制的旋转频率控制器(37)。 电动车辆还包括转矩控制异常检测器(38),其被配置为检测由马达控制电路(29)执行的转矩控制的异常。 电动车辆还包括控制模式切换器(39),该控制模式切换器(39)被配置为响应于转矩控制异常检测器(38)确定存在转矩控制异常,使电动机控制电路(29)从转矩控制 到由旋转频率控制器(37)执行的旋转频率控制。
    • 6. 发明公开
    • REMOTE-CONTROLLED ACTUATOR
    • FERNGESTEUERTERBETÄTIGER
    • EP2340772A1
    • 2011-07-06
    • EP09806561.8
    • 2009-08-05
    • NTN Corporation
    • OZAKI, TakayoshiISOBE, Hiroshi
    • A61B17/16B23B39/14B23C9/00B23Q3/12B23Q5/04
    • B23B39/14A61B17/1626A61B17/1631A61B17/1668A61B2017/003B23B45/005B23C1/20Y10T74/20Y10T74/20207Y10T74/20329Y10T74/20341Y10T74/20582
    • A remote controlled actuator includes a spindle guide section (3) of an elongated configuration, a distal end member (2) fitted to a distal end of the spindle guide section (3) through a distal end member connecting imit (15) for alteration in attitude, a tool (1) rotatably provided to the distal end member (2), a tool rotating drive source (41) for rotating the tool, and an attitude altering drive source (42) for manipulating the attitude of the distal end member. The distal end member rotatably supports a spindle (13) then holding the tool (1). The spindle guide section (3) includes a rotary shaft (22) for transmitting rotation of the tool rotating drive source to the spindle and a guide hole (30a). A flexible attitude altering member (31) capable of altering the attitude of the distal end member is reciprocally movably inserted within the guide hole (30a).
    • 远程控制致动器包括细长构造的主轴引导部分(3),远端部件(2),其通过连接模块(15)的远端部件安装到主轴引导部分(3)的远端,用于改变 姿态,可旋转地设置到远端构件(2)的工具(1),用于旋转工具的工具旋转驱动源(41)和用于操纵远端构件的姿态的姿势改变驱动源(42)。 远端构件可旋转地支撑主轴(13),然后夹持工具(1)。 主轴引导部分(3)包括用于将工具旋转驱动源的旋转传递到主轴的旋转轴(22)和引导孔(30a)。 能够改变远端构件的姿态的柔性姿态改变构件(31)可往复移动地插入到引导孔(30a)内。
    • 7. 发明公开
    • SENSOR-EQUIPPED BEARING FOR WHEEL
    • 用于轮子的传感器装备的轴承
    • EP2184182A1
    • 2010-05-12
    • EP08790277.1
    • 2008-07-29
    • NTN Corporation
    • ISOBE, HiroshiTAKAHASHI, ToruOZAKI, Takayoshi
    • B60B35/18F16C19/18F16C33/58F16C41/00G01L5/00
    • F16C19/186B60B27/0005B60B27/0068B60B27/0094F16C19/522F16C33/586F16C41/007F16C2326/02G01L5/0019
    • A sensor-equipped wheel support bearing assembly, in which a load imposed on the wheel can be accurately detected without influences from hysteresis is provided. This wheel support bearing assembly includes an outer member having a plurality of rolling surfaces, an inner member having rolling surfaces opposed respectively to the rolling surfaces of the outer member, and rolling elements between the rolling surfaces. A sensor unit is provided in a stationary member of one of the outer and inner members, which unit includes a strain generating member having two contact fixing segments to be fixed to the stationary member and a sensor fitted to the strain generating member for detecting a strain induced in this strain generating member. The two contact fixing segments are arranged at respective positions held at the same phase in a direction circumferentially of the stationary member.
    • 提供一种配备有传感器的车轮支撑轴承组件,其中施加在车轮上的负载可以在没有滞后影响的情况下被准确地检测到。 该车轮支撑轴承组件包括具有多个滚动面的外部件,具有分别与外部件的滚动面相对的滚动面的内部件以及滚动面之间的滚动体。 传感器单元设置在外部和内部部件中的一个的固定部件上,该部件包括应变发生部件,该应变发生部件具有两个固定到固定部件的接触固定部分和安装到应变发生部件上用于检测应变的传感器 在该应变发生部件中感应。 两个接触固定部分被布置在沿固定部件的圆周方向保持相同相位的相应位置处。