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    • 41. 发明授权
    • Method for controlling air-fuel ratio for internal combustion engine and
apparatus therefor
    • 用于控制内燃机的空燃比的方法及其装置
    • US4637364A
    • 1987-01-20
    • US768925
    • 1985-08-23
    • Shinichi AbeToshiaki Mizuno
    • Shinichi AbeToshiaki Mizuno
    • F02D33/00F02D35/00F02D41/04F02D41/10F02D41/14
    • F02D41/1483F02D41/1487
    • Disclosed is a method of controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine by the selective use of either one of a feedback control mode in which the control is made to maintain the air-fuel ratio at the stoichiometric level and a lean control mode in which the control is made to maintain at the leaner side of the stoichiometric level in accordance with the state of operation of the engine. In this method, the execution of the control in the lean control mode is prohibited for a predetermined period of time during acceleration of the engine at least when the speed of vehicle mounting the engine is below a predetermined speed, and the air-fuel ratio control is made in the feedback control mode in the period of time. Consequently, the period of engine operation in the lean control mode is maximized without impairing the driveability of the engine particularly when the engine is accelerated from low speed. Disclosed also is an apparatus suitable for carrying out this method.
    • 本发明公开了一种通过选择性地使用其中控制使空燃比保持空燃比的反馈控制模式中的任一种来控制供给内燃机的空气燃料混合物的空燃比的方法 在化学计量级别和稀薄控制模式下,根据发动机的操作状态使控制保持在化学计量级的更稀的一侧。 在该方法中,至少在发动机的车辆安装速度低于预定速度时,在发动机的加速期间,在稀薄控制模式下的控制的执行被禁止预定的时间段,空燃比控制 是在一段时间内以反馈控制模式进行的。 因此,在不利于发动机从低速加速的情况下,在不损害发动机的驾驶性的前提下,使稀燃控制模式下的发动机运转时间最大化。 还公开了适用于实施该方法的装置。
    • 43. 发明授权
    • Method and system for controlling the idle speed of an internal
combustion engine at variable ignition timing
    • 用于在可变点火正时控制内燃机的怠速的方法和系统
    • US4506639A
    • 1985-03-26
    • US462544
    • 1983-01-31
    • Kazuhiro MurakamiHisamitsu YamazoeToshiaki Mizuno
    • Kazuhiro MurakamiHisamitsu YamazoeToshiaki Mizuno
    • F02D31/00F02D41/14F02D41/16F02D43/00F02P5/15F02P5/155F02D37/02
    • F02D31/005F02D41/1498F02P5/1508F02D2011/102F02D2200/1015Y02T10/46
    • Engine operating parameters are detected to see whether the engine is in idle state or not. Then the speed of the engine is detected to determine whether engine speed is varying or not. To this end, a plurality of engine speed data are averaged to find an average engine speed which will be used as a reference value for the comparison with respect to a latest instantaneous engine speed. Ignition timing is either retarded or advanced for maintaining the engine speed at a desired value in such a manner that the amount of correction of the ignition timing is determined by deriving data from a memory in which relationship between the engine speed variation and ignition timing correction amount is stored in the form of a map. In the case that the average engine speed is far deviated from a setting engine speed, the average value is not used as the reference value, but rather the setting speed is used to find the difference. In the case that no setting engine speed is provided, the average engine speed is always used as the reference value. In addition to ignition timing control, the airflow bypassing the throttle valve may be controlled so that idle engine speed does not fluctuate.
    • 检测发动机工作参数以查看发动机是否处于空转状态。 然后检测发动机的速度以确定发动机转速是否变化。 为此,多个发动机速度数据被平均以找到将被用作用于相对于最新的瞬时发动机转速进行比较的参考值的平均发动机转速。 为了将发动机转速保持在期望值,起动时间被延迟或提前,使得点火正时的校正量通过从存储器中导出数据来确定,其中发动机转速变化和点火正时校正量之间的关系 以地图的形式存储。 在平均发动机转速远远偏离设定发动机转速的情况下,不使用平均值作为基准值,而是使用设定速度来求差。 在不设置发动机转速的情况下,始终将平均发动机转速用作基准值。 除了点火正时控制之外,可以控制旁路节流阀的气流,使得怠速发动机转速不波动。
    • 45. 发明授权
    • Cup attaching apparatus
    • 杯连接装置
    • US06798501B1
    • 2004-09-28
    • US09652041
    • 2000-08-31
    • Toshiaki Mizuno
    • Toshiaki Mizuno
    • G01B900
    • B24B13/0055
    • In a cup attaching apparatus, a cup is attached as a processing jig to a subject lens along a reference axis, the lens and an index plate having an index of a predetermined pattern are illuminated by substantially parallel rays of light shaped into a diameter larger than a diameter of the lens so that an image of the lens and an image of the index are projected onto a screen, and the index image projected onto the screen is detected, whereas an entire image of the lens projected onto the screen is picked up. An optical center of the lens with respect to the reference axis is obtained on the basis of the index image detected by said detecting means, thereby displaying in a superposed manner alignment information indicating a relative position of the optical center with respect to the reference axis and the image thus picked up. The alignment is effected while observing the displayed information.
    • 在杯连接装置中,将杯作为加工夹具沿着参考轴线附接到被摄体透镜,透镜和具有预定图案的折射率的折射板被基本平行的光线照射,该光线形成为大于 透镜的直径使得透镜的图像和索引的图像投影到屏幕上,并且检测投影到屏幕上的索引图像,而拾取投影到屏幕上的透镜的整个图像。 基于由所述检测装置检测的索引图像获得透镜相对于基准轴的光学中心,从而以叠加方式显示指示光学中心相对于参考轴线的相对位置的对准信息,以及 因此拍摄的图像。 在观察所显示的信息的同时进行对准。
    • 47. 发明授权
    • Eyeglass lens processing apparatus
    • 眼镜镜片加工设备
    • US06719609B2
    • 2004-04-13
    • US09842642
    • 2001-04-27
    • Toshiaki MizunoShinji Koike
    • Toshiaki MizunoShinji Koike
    • B24B4916
    • B24B9/148B24B19/03B24B49/16
    • An eyeglass lens processing apparatus for processing a periphery of an eyeglass lens, includes: a lens rotating shaft which holds and rotates an eyeglass lens to be processed; an abrasive wheel rotating shaft movable between a retracted position and a processing position; a chamfering abrasive wheel which is attached to the abrasive wheel rotating shaft and which chamfers the lens while receiving a processing load from the lens during processing; a detecting unit which detects the load to the chamfering abrasive wheel; and a control unit which issues a control signal for relatively moving the lens and the chamfering abrasive wheel one from another to reduce the processing load if the detected processing load is higher than a predetermined first level and for continuing the chamfering, and which issues a control signal for ending the chamfering if the detected processing load over the entire periphery of the lens is lower than a predetermined second level.
    • 一种用于处理眼镜镜片周边的眼镜镜片处理装置,包括:透镜旋转轴,其保持并旋转待处理的眼镜镜片; 可在缩回位置和处理位置之间移动的砂轮旋转轴; 一个倒角砂轮,其连接到砂轮旋转轴,并且在加工期间从透镜接收处理负载时倒角透镜; 检测单元,其检测对所述倒角砂轮的负荷; 以及控制单元,其发出用于相对移动透镜和倒角砂轮的控制信号,以便如果检测到的处理负载高于预定的第一水平并且用于继续倒角,则减少处理负载,并且发生控制 如果在透镜的整个周边上检测到的处理负载低于预定的第二电平,则用于结束倒角的信号。
    • 50. 发明授权
    • Apparatus and method for grinding eyeglass lenses
    • 用于研磨眼镜镜片的装置和方法
    • US6123604A
    • 2000-09-26
    • US961945
    • 1997-10-31
    • Toshiaki MizunoRyoji ShibataHirokatsu Obayashi
    • Toshiaki MizunoRyoji ShibataHirokatsu Obayashi
    • B24B9/14B24B49/12B24B49/16B24B1/00
    • B24B49/16B24B49/12B24B9/14
    • An eyeglass lens grinding machine, which is designed to effectively utilize the grinding capability of abrasive wheels so as to perform efficient grinding operations. The eyeglass lens grinding machine includes a lens rotating section which holds and rotates a lens to be processed, an abrasive wheel rotating section which rotates an abrasive wheel for grinding the lens on its own axis, an abrasive wheel's rotational state detecting section which detects the state of rotation of the abrasive wheel caused by the abrasive wheel rotating section, and a rotation control section which variably changes the rotation of the lens rotating section on the basis of the result of the detection. The rotation control section issues a command to either stop or slow down the rotation of the lens if the load on the rotation of the abrasive wheel exceeds a predetermined reference level and issues a command to have the lens rotation return to the initial state if the load becomes lower than the reference level.
    • 一种眼镜镜片研磨机,旨在有效利用砂轮的研磨能力,从而进行有效的磨削操作。 所述眼镜透镜研磨机包括:保持并旋转待处理透镜的透镜旋转部;旋转用于在其自身轴上研磨透镜的砂轮的砂轮旋转部;检测状态的砂轮旋转状态检测部; 由砂轮旋转部分引起的砂轮的旋转;以及旋转控制部,其根据检测结果可变地改变透镜旋转部的旋转。 如果砂轮的旋转载荷超过预定的参考水平,则旋转控制部分发出停止或减慢透镜的旋转的命令,并发出命令以使镜头旋转返回初始状态,如果负载 变得低于参考水平。