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    • 15. 发明授权
    • Washing machine or an apparatus having a rotatable container
    • 洗衣机或具有可旋转容器的设备
    • US06460381B1
    • 2002-10-08
    • US09526882
    • 2000-03-16
    • Shigeki YoshidaKoichi YoshizakiTakao KurasekoYuka YoshidaKazushige KakutaniKeiji KishimotoHideaki AokiKazuya Hiyamizu
    • Shigeki YoshidaKoichi YoshizakiTakao KurasekoYuka YoshidaKazushige KakutaniKeiji KishimotoHideaki AokiKazuya Hiyamizu
    • D06F3302
    • D06F39/087D06F37/203D06F39/003
    • A washing machine according to the present invention includes a pressure sensor provided at a rod holding plate holding a suspension rod with which an outer tub is suspended. The pressure sensor is constructed so that a coil is wound around a magnetostrictive element whose magnetic characteristic changes when it is expanded, compressed or twisted by an external force. The change in the magnetic characteristic is converted to the change in the inductance of the coil, and an oscillating signal of a frequency corresponding to the inductance generated. Based on the frequency of the signal, the load on the pressure sensor is detected. Before supplying water, the amount of the laundry contained in a wash-and-extraction tub is detected based on the output of the pressure sensor, and an object water level corresponding to the amount is determined. After that, a water supply valve is opened to start supplying water into the wash-and-extraction tub. The weight of water supplied is monitored based on the output of the pressure sensor, and the weight is converted to a water level. When the monitored water level has attained the object water level, the water supply is stopped. Thus, the pressure sensor functions not only as a load detector but also as a level sensor.
    • 根据本发明的洗衣机包括压力传感器,该压力传感器设置在保持外桶的悬挂杆的杆保持板上。 压力传感器被构造成使得线圈缠绕在磁致伸缩元件周围,其磁特性在通过外力膨胀,压缩或扭曲时变化。 磁特性的变化被转换为线圈的电感的变化,并且产生与产生的电感相对应的频率的振荡信号。 根据信号的频率,检测压力传感器的负载。 在供水之前,基于压力传感器的输出来检测包含在洗涤和提取桶中的衣物的量,并且确定与该量对应的物体水位。 之后,打开供水阀,开始向洗涤和提取桶供水。 根据压力传感器的输出监测供水量,将重量转换为水位。 当监测到的水位达到目标水位时,供水停止。 因此,压力传感器不仅用作负载检测器,而且还用作液位传感器。
    • 16. 发明授权
    • Manually operated travelling vehicle with auxiliary power
    • 带辅助动力的手动行驶车
    • US06173801B1
    • 2001-01-16
    • US09147156
    • 1998-10-20
    • Kazushige KakutaniHideaki AokiHideo KawakamiYoshio Tomigashi
    • Kazushige KakutaniHideaki AokiHideo KawakamiYoshio Tomigashi
    • B62K1100
    • B62M6/60B62M6/40B62M6/45B62M6/75G01L3/1435
    • A manually operated travelling vehicle with an auxiliary power device, which can detect a rotating torque applied to a rotating crank shaft (40) in non-contact manner. Supported on a body (15) is a manually operated prime mover wheel (5). A rotating coil (201) is provided coaxially on the prime mover wheel (5). A variable impedance device (202) is electrically connected to the rotating coil (201) such that impedance changes depending upon a load applied to the prime mover wheel (5). A stationary coil (101) is fixed to the body (15) to be coaxial with and spaced from the rotating coil (201) with a predetermined interval therebetween and is electromagnetically connected to the rotating coil (201). A detection circuit (109) is connected to the stationary coil (101) to detect a change in current or voltage applied to the stationary coil (101) from the rotating coil (201) in accordance with an impedance change in the variable impedance device (202). A control unit (130) controls a power source for the auxiliary power device on the basis of an output value issued from the detection circuit (109).
    • 一种具有辅助动力装置的手动行驶车辆,其可以以非接触的方式检测施加到旋转曲轴(40)的旋转扭矩。 在主体(15)上支撑的是手动操作的原动机轮(5)。 旋转线圈(201)同轴地设置在原动机轮(5)上。 可变阻抗装置(202)电连接到旋转线圈(201),使得阻抗根据施加到原动机轮(5)的负载而变化。 固定线圈(101)固定在主体(15)上,与旋转线圈(201)以预定间隔同轴并与其间隔开,并与旋转线圈(201)电磁连接。 检测电路(109)连接到固定线圈(101),以根据可变阻抗装置的阻抗变化来检测从旋转线圈(201)施加到固定线圈(101)的电流或电压的变化( 202)。 控制单元(130)根据从检测电路(109)发出的输出值来控制辅助电力设备的电源。
    • 19. 发明授权
    • Magnetostriction detection type sensor
    • 磁致伸缩检测型传感器
    • US06389911B1
    • 2002-05-21
    • US09414433
    • 1999-10-07
    • Hideaki Aoki
    • Hideaki Aoki
    • G01L112
    • G01L1/127G01L1/125
    • A magnetostriction detection type sensor includes a substrate. This substrate is bonded, through an adhesive or the like, with a magnetostrictive element of a circular columnar form and a cylindrical magnetostriction detecting coil coaxially receiving magnetostrictive element. The substrate is also mounted with a housing case formed by a magnetic member, to accommodate a magnetostrictive element and magnetostriction detecting coil nearly in a shield state. The housing case is formed with a projection that is in surface contact with a tip surface of the magnetostrictive element, and a spherically formed tip for contacting an object to be measured.
    • 磁致伸缩检测型传感器包括基板。 该基板通过粘合剂等与圆柱形磁致伸缩元件和同轴接收磁致伸缩元件的圆柱形磁致伸缩检测线圈结合。 衬底还安装有由磁性构件形成的壳体壳体,以容纳几乎处于屏蔽状态的磁致伸缩元件和磁致伸缩检测线圈。 壳体形成有与磁致伸缩元件的尖端表面表面接触的突起,以及用于接触被测量物体的球形形成的尖端。