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    • 52. 发明授权
    • Air fuel ratio sensor
    • 空燃比传感器
    • US06258234B1
    • 2001-07-10
    • US09540535
    • 2000-03-31
    • Isao WatanabeMichihiro YamakawaMasanori FukutaniToshihiro SakawaNobuyuki TsujiMinoru Ohta
    • Isao WatanabeMichihiro YamakawaMasanori FukutaniToshihiro SakawaNobuyuki TsujiMinoru Ohta
    • G01N2726
    • G01N27/4077G01N27/407G01N27/4078
    • Air fuel ratio sensor for use in an exhaust gas purification system for an internal combustion engine. The sensor has an outer and inner cover 12 and 13 for protection of lead wires 16, 18 and 19 to a detecting element 3 and a heater 5 of the sensor, a rubber seal for 2 for obtaining a sealing between the covers and the lead wires and a water repellent filter 36 for obtaining a seal between the inner and outer covers 12 and 13, while keeping an air ventilation capability of the space inside the covers. For receiving the lead wires 16, 18 and 19, the seal 2 is formed with holes 20 such that the minimum thickness between the holes and the minimum thickness between the hole and an outer surface of the seal is 1 mm or more. A crimping of the outer cover 12 is done so that a deformation of the seal 2 in a range between 10 to 20% of the outer diameter is obtained. A crimping of the outer cover 12 is further done at a first section 12A at a larger force for fixation of the outer cover 12 to the inner cover 12 and at a second section 12B at a smaller force for holding the water repellent filter 36 between the outer and inner covers. In the crimping, the crimping at the first section is completed simultaneously or earlier from the completion of the crimping at the second section.
    • 用于内燃机排气净化系统的空燃比传感器。 传感器具有外盖和内盖12和13,用于将导线16,18和19保护到传感器的检测元件3和加热器5;橡胶密封件2,用于获得盖和导线之间的密封 以及用于在保持盖内的空间的空气通气能力的同时在内盖12和外盖13之间获得密封的防水过滤器36。 为了接收引线16,18和19,密封件2形成有孔20,使得孔之间的最小厚度和孔与密封件的外表面之间的最小厚度为1mm以上。 进行外盖12的压接,使得密封件2的变形在外径的10%至20%之间的范围内。外罩12的压接在第一部分12A处进一步进行, 用于以较小的力将外盖12固定到内盖12和第二部分12B上的力,用于将防水过滤器36保持在外盖和内盖之间。 在卷曲中,第一部分的卷曲在第二部分的卷曲完成的同时或更早地完成。
    • 53. 发明授权
    • Air fuel ratio sensor and method for assembling the same
    • 空燃比传感器及其组装方法
    • US06178806B2
    • 2001-01-30
    • US09161413
    • 1998-09-24
    • Isao WatanabeMasanori FukutaniNobuyuki TsujiMinoru Ohta
    • Isao WatanabeMasanori FukutaniNobuyuki TsujiMinoru Ohta
    • G01N2700
    • G01N27/4077G01N27/407G01N27/4078
    • An air fuel ratio sensor for use in an exhaust gas purification system for an internal combustion engine. The sensor has an outer and inner cover 12 and 13 for protection of lead wires 16, 18 and 19 to a detecting element 3 and a heater of the sensor, a rubber seal 2 for obtaining a seal between the covers and the lead wires and a water repellent filter 36 for obtaining a seal between the inner and outer covers 12 and 13, while keeping an air ventilation capability of the space inside the covers. For receiving the lead wires 16, 18 and 19, the seal 2 is formed with holes 20 such that the minimum thickness between the hole and an outer surface of the seal is 1 mm or more. A crimping of the outer cover 12 is done so that a deformation of the seal 2 in a range between 10 to 20% of the outer diameter is obtained. A crimping of the outer cover 12 is further done at a first section 12A at a larger force for fixation of the outer cover 12 to the inner cover 12 and at a second section 12B at a smaller force for holding the water repellent filter 36 between the outer and inner covers. In the crimping, the crimping at the first section is completed simultaneously with or earlier than the completion of the crimping at the second section.
    • 一种用于内燃机的排气净化系统中的空燃比传感器。 传感器具有用于将检测元件3和传感器加热器的引线16,18和19保护的外盖和内盖12,用于获得盖和引线之间的密封的橡胶密封件2和 用于获得内盖12和外盖13之间的密封的防水过滤器36,同时保持盖内空间的通气能力。 为了接收引线16,18和19,密封件2形成有孔20,使得孔和密封件的外表面之间的最小厚度为1mm以上。 进行外盖12的压接,使密封件2在外径的10〜20%的范围内变形。 外盖12的压接还在第一部分12A处以较大的力进行,用于将外盖12固定到内盖12,并且在第二部分12B处以较小的力将防水滤清器36固定在 外盖和内盖。 在卷曲中,第一部分的卷边在第二部分的压接完成的同时或更早完成。
    • 57. 发明授权
    • Magneto-optical recording/reproducing system having an electromagnetic
actuator
    • 具有电磁致动器的磁光记录/再现系统
    • US5305294A
    • 1994-04-19
    • US040263
    • 1993-03-30
    • Kenjiro KimeKeiji NakamuraIsao WatanabeHajime Nakajima
    • Kenjiro KimeKeiji NakamuraIsao WatanabeHajime Nakajima
    • G01B11/02G11B7/09G11B11/105G11B13/04
    • G11B11/10534G01B11/026G11B11/10556G11B11/10576G11B7/0937
    • Magneto-optical disk recording and reproducing devices and actuators and distance detectors for use therewith are disclosed. The mageneto-optical disk device comprises, in addition to the usual elements, a bimorph type actuator or an electromagnetic actuator for driving the magnetic head of the magneto-optical disk device. The bimorph actuator has a metallic shim whose width varies with respect to the longitudinal distance inversely porportional to the normal function of the first or the second free natural vibration mode. Alternatively, the bimorph type actuator have a recess formed on a bimorph element to expose a piezoelectric crystal which outputs a voltage corresponding to the acceleration of the vibration of the actuator; the driver circuit of the actuator reduces the driving voltage when the frequency of the voltage generated at the recess comes into the neighborhood of a higher resonance frequency of the actuator. The optical distance detector comprises a light-emitting diode and a pair of photodiodes which detects the amount of light incident thereon after being reflected at a surface of an object the distance to which is measured. The geometric parameters of the photodiodes are selected in such a manner that the output of a first photodiode decreases as the measured distance increases while the output of a second photodiode increases as the measured distance increases. Thus, the normalized differential output of the two photodiodes, from which the measured distance is determined, varies substantially linearly with respect to the measured distance. In preferred forms, the photodetectors have stepped concentric configurations so that small distances can be measured accurately and efficiently.
    • 公开了磁光盘记录和再现装置以及与其一起使用的致动器和距离检测器。 除了通常的元件之外,磁光盘装置还包括用于驱动磁光盘装置的磁头的双压电晶片型致动器或电磁致动器。 双压电晶片致动器具有金属垫片,其宽度相对于纵向距离与第一或第二自由自然振动模式的正常功能相反地成比例地变化。 或者,双压电晶片型致动器具有形成在双晶片元件上的凹部,以暴露出输出与致动器的振动的加速度相对应的电压的压电晶体; 当在凹部处产生的电压的频率进入致动器的较高谐振频率附近时,致动器的驱动器电路降低驱动电压。 光学距离检测器包括发光二极管和一对光电二极管,其在被测量的距离的物体的表面处被反射后检测入射到其上的光量。 选择光电二极管的几何参数,使得第一光电二极管的输出随测量距离的增加而减小,而第二光电二极管的输出随测量距离的增加而增加。 因此,确定测量距离的两个光电二极管的归一化差分输出相对于测量的距离基本上线性地变化。 在优选的形式中,光电检测器具有阶梯同心配置,使得能够精确而有效地测量小的距离。