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    • 2. 发明授权
    • System for controlling air-fuel ratio
    • 空燃比控制系统
    • US4385608A
    • 1983-05-31
    • US174378
    • 1980-08-01
    • Masaaki OhgamiHiroki YasudaHitoshi Suzuki
    • Masaaki OhgamiHiroki YasudaHitoshi Suzuki
    • F02D41/14F02M7/24F02M7/00
    • F02D41/1489
    • A system for controlling the air-fuel ratio for an internal combustion engine having an intake passage, an exhaust passage, a detector such as an oxygen sensor for detecting the concentration of oxygen in the exhaust gases, an air-fuel mixture supply unit, an on-off type electromagnetic valve for correcting the air-fuel ratio of the air-fuel mixture supplied by the air-fuel mixture supply unit, and an electronic control circuit for producing square wave pulses in dependency on the output signal from the detector for driving the on-off type electromagnetic valve. The system comprises a venturi for producing a vacuum dependent on rapid acceleration, a vacuum sensor for sensing the vacuum in the venturi at rapid acceleration of the internal combustion engine and producing an output signal dependent thereon, an intake opening in the venturi for communicating the vacuum with said vacuum sensor, pulse width modulator for producing a pulse width modulating signal when an output signal of the vacuum sensor rises above a predetermined level at a rapid acceleration, the pulse width modulator being connected to the electronic control circuit, such that said pulse width modulating signal is fed to said electronic control circuit for modulating the width of said square wave pulses in dependency on the rapid acceleration for enriching the air-fuel mixture.
    • 一种用于控制具有进气通道,排气通道,用于检测废气中氧浓度的氧传感器的检测器的内燃机的空燃比的系统,空气 - 燃料混合物供应单元, 用于校正由空气 - 燃料混合物供应单元供应的空气燃料混合物的空燃比的开关型电磁阀,以及用于根据来自用于驱动的​​检测器的输出信号产生方波脉冲的电子控制电路 开关式电磁阀。 该系统包括用于产生取决于快速加速的真空的文氏管,用于在内燃机的快速加速下感测文丘里管中的真空并产生依赖于其的输出信号的真空传感器,用于连通真空的文丘里管中的进气口 利用所述真空传感器,当所述真空传感器的输出信号以快速加速度上升到高于预定水平时产生脉宽调制信号的脉冲宽度调制器,所述脉宽调制器连接到所述电子控制电路,使得所述脉冲宽度 调制信号被馈送到所述电子控制电路,用于根据用于富集空气 - 燃料混合物的快速加速度来调制所述方波脉冲的宽度。
    • 7. 发明授权
    • Rechargeable battery pack
    • 充电电池组
    • US08940427B2
    • 2015-01-27
    • US13277469
    • 2011-10-20
    • Masafumi NodaHitoshi SuzukiHisakazu Okabayashi
    • Masafumi NodaHitoshi SuzukiHisakazu Okabayashi
    • H01M10/38H01M10/48H01M2/10H01M10/42
    • H01M10/488H01M2/1055H01M10/4207H01M10/4257
    • A rechargeable battery pack attachable to a power tool includes a display element, a remaining capacity detection device, a remaining capacity display control device, an abnormality detection device, and an abnormality display control device. The display element is provided such that a lighted state thereof can be confirmed from outside. The remaining capacity detection device detects a remaining capacity of a rechargeable battery. The remaining capacity display control device displays the remaining capacity detected by the remaining capacity detection device by controlling the lighted state of the display element. The abnormality detection device detects an abnormality of the rechargeable battery. The abnormality display control device displays the abnormality of the rechargeable battery detected by the abnormality detection device by controlling the lighted state of the display element to an abnormality display state, which is different from a remaining capacity display state controlled by the remaining capacity display control device.
    • 可附接到电动工具的可充电电池组包括显示元件,剩余容量检测装置,剩余容量显示控制装置,异常检测装置和异常显示控制装置。 显示元件设置成能够从外部确认其点亮状态。 剩余容量检测装置检测可再充电电池的剩余容量。 剩余容量显示控制装置通过控制显示元件的点亮状态来显示剩余容量检测装置检测到的剩余容量。 异常检测装置检测可再充电电池的异常。 异常显示控制装置通过将显示元件的点亮状态控制为与由剩余容量显示控制装置控制的剩余容量显示状态不同的异常显示状态来显示由异常检测装置检测到的可再充电电池的异常 。