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    • 1. 发明授权
    • Life diagnosis apparatus for automotive battery
    • 汽车电池寿命诊断仪
    • US4888716A
    • 1989-12-19
    • US37852
    • 1987-04-13
    • Sadayasu Ueno
    • Sadayasu Ueno
    • B60R16/02B60R16/03G01R31/00G01R31/36H01M10/48H02J7/14
    • G01R31/3624G01R31/3648G01R31/3662H02J7/1461B60R16/03G01R31/006G01R31/3675
    • A novel automotive battery life diagnosis apparatus is disclosed, in which the terminal voltage, charge-discharge current and the temperature of a battery are detected, output signals from the detectors are applied to and processed in a predetermined manner by a control unit, and a life alarm is displayed on a display unit. Further, the control unit has the functions to calculate a value representing the life of the battery from the detection signals of the detectors before and after cranking of an internal combustion engine and to store an initial value of a parameter representing the battery life in the initial stage of battery operation. The initial value of the parameter is compared with the present value thereof to forecast and indicate the life of the battery on the display unit from a predetermined relationship formed by life curves between the initial value and the present value of the parameter.
    • 公开了一种新型的汽车电池寿命诊断装置,其中检测到电池的端电压,充放电电流和温度,来自检测器的输出信号通过控制单元以预定的方式被施加和处理,并且 生命报警显示在显示单元上。 此外,控制单元具有从内燃机起动前后的检测器的检测信号计算代表电池寿命的值的功能,并且将初始值表示电池寿命的初始值存储起来 电池运行阶段。 将参数的初始值与其当前值进行比较,以从初始值和参数的当前值之间的寿命曲线形成的预定关系来预测和指示显示单元上的电池的寿命。
    • 7. 发明授权
    • Air-fuel ratio control apparatus for multicylinder engine
    • 用于多缸发动机的空燃比控制装置
    • US4909223A
    • 1990-03-20
    • US240626
    • 1988-09-06
    • Takauki ItuziSadayasu UenoNorio Ichikawa
    • Takauki ItuziSadayasu UenoNorio Ichikawa
    • F02B1/04F02D41/00F02D41/14F02D41/36
    • F02D41/1486F02D41/0087F02B1/04
    • In an apparatus of the type in which the air-fuel ratio of an engine is detected by an air-fuel ratio sensor and the air-fuel ratio is feedback-controlled in accordance with the detection result to operate the engine at a desired air-fuel ratio, a change of the output characteristic of the air-fuel ratio sensor is always corrected for. The apparatus includes means for detecting the air-fuel ratio of the engine from its exhaust gas composition, means for determining whether the engine is in a given constant operating condition, means for determining a desired air-fuel ratio for the constant operating condition, means for supplying the quantity of fuel corresponding to the desired air-fuel ratio to each cylinder of the engine, means for causing some of all the cylinders of the engine not greater in number than N-1 (N represents the total number of cylinders) to misfire when the engine comes into the constant operating condition, and means for correcting the output characteristic of the air-fuel ratio detecting means in accordance with the amount of change of the output of the air-fuel ratio detecting means before and after the misfiring.
    • 在通过空燃比传感器检测发动机的空燃比并且根据检测结果反馈控制空燃比的类型的装置中,以期望的空气 - 燃料比传感器来操作发动机, 燃料比,总是校正空燃比传感器的输出特性的变化。 该装置包括用于从其排气组成检测发动机的空燃比的装置,用于确定发动机是否处于给定恒定运行状态的装置,用于确定恒定运行状态的期望空燃比的装置 用于将对应于所需空燃比的燃料量提供给发动机的每个气缸,用于使发动机的所有气缸的一部分数量不大于N-1(N表示总气缸数)的装置, 在发动机处于恒定运行状态时失火,以及根据空燃比检测装置的输出在发生故障之前和之后的变化量来校正空燃比检测装置的输出特性的装置。
    • 9. 发明授权
    • Thermal flow meter
    • 热流量计
    • US4534218A
    • 1985-08-13
    • US523858
    • 1983-08-17
    • Sadayasu Ueno
    • Sadayasu Ueno
    • G01F1/68F02D41/18G01F1/684G01F1/698G01P5/12G08C19/00G08C19/02G08C25/00
    • F02D41/187G01F1/6842G01F1/698G01P5/12
    • The current flowing through a thermosensitive element is amplified and output as a signal indicating its magnitude. The signal is processed by being converted into a digital signal and is used to calculate, for example, the quantity of fuel that should be supplied for the thus measured quantity of intake air in an internal-combustion engine. The current is supplied to the thermosensitive element from the positive electrode of a power source, and returns to the negative electrode thereof via a return line. The return line and a ground potential line of the amplifier are separate lines. The magnitude of the current flowing through the thermosensitive element is varied by varying the potential of a point on the return line accordingly. Because the return line and the ground potential line are separate, the ground potential can be kept constantly stable.
    • 流经热敏元件的电流被放大并作为指示其大小的信号输出。 该信号通过转换为数字信号进行处理,并用于计算例如内燃机中由此测量的进气量应提供的燃料量。 电流从电源的正极供给热敏元件,经由返回线返回到负极。 放大器的返回线和地电位线是分开的线。 流过热敏元件的电流的大小通过相应地改变返回线上的点的电位来改变。 由于返回线和地电位线分开,所以地电位可以保持恒定。