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    • 35. 发明授权
    • Abnormality detection device for internal combustion engine
    • 内燃机异常检测装置
    • US08763587B2
    • 2014-07-01
    • US13519633
    • 2010-12-28
    • Kazuhiro WakaoMie Sasai
    • Kazuhiro WakaoMie Sasai
    • G01M15/02F02D45/00
    • F02D45/00F02D19/0634F02D19/084F02D19/087F02D33/006F02D41/222F02D2200/0611F02D2250/14F02M37/0058F02M37/106G01N33/2852Y02T10/36Y02T10/40
    • An abnormality detection device for an internal combustion engine is controlled according to properties of employed fuel, and capable of accurately detecting an abnormality in a fuel property sensor, and more particularly, a stuck fuel property sensor. A measurement section of the sensor is housed in a fuel container, which is not disposed in a main flow path of a fuel flow path connecting a fuel pump to an injector, but is disposed apart from the main flow path. Fuel drawn from a fuel tank is introduced into the fuel container. The resulting output value of the sensor is acquired as a first sensor output value. Further, the fuel is discharged from the fuel container. The resulting output value of the sensor is acquired as a second output value. The first and second sensor output values are then used to check for an abnormality in the sensor.
    • 用于内燃机的异常检测装置根据所使用的燃料的特性进行控制,能够精确地检测燃料特性传感器的异常,特别是卡止的燃料特性传感器。 传感器的测量部分容纳在燃料容器中,该燃料容器不设置在连接燃料泵到喷射器的燃料流路的主流路中,而是与主流路隔开。 从燃料箱抽出的燃料被引入燃料容器。 获得传感器的最终输出值作为第一传感器输出值。 此外,燃料从燃料容器排出。 获得所得到的传感器的输出值作为第二输出值。 然后使用第一和第二传感器输出值来检查传感器中的异常。
    • 36. 发明授权
    • Rationality diagnostic device for alcohol concentration sensor
    • 酒精浓度传感器的理性诊断装置
    • US08656773B2
    • 2014-02-25
    • US13516888
    • 2010-12-28
    • Kazuhiro WakaoMie Sasai
    • Kazuhiro WakaoMie Sasai
    • G01F23/26F02D41/22
    • G01M15/04F02D19/0623F02D19/0628F02D19/0634F02D19/0665F02D19/084F02D41/222F02D2200/0611G01F23/263Y02T10/36Y02T10/40
    • A rationality diagnostic device for an alcohol concentration sensor includes a capacitance-type remaining fuel amount sensor as a remaining fuel amount sensor disposed in a fuel tank. The capacitance-type remaining fuel amount sensor has such output characteristics that its output value is determined by the amount of fuel remaining in the fuel tank and the alcohol concentration of the fuel. The rationality diagnostic device corrects the output value of the remaining fuel amount sensor in accordance with the output value of the alcohol concentration sensor to eliminate an alcohol-concentration-dependent component from the output value of the remaining fuel amount sensor. The rationality diagnostic device then verifies the accuracy of the corrected output value of the remaining fuel amount sensor to judge whether the rationality of the alcohol concentration sensor is maintained.
    • 用于酒精浓度传感器的合理性诊断装置包括作为设置在燃料箱中的剩余燃料量传感器的电容式剩余燃料量传感器。 电容式剩余燃料量传感器具有这样的输出特性,其输出值由燃料箱中剩余的燃料量和燃料的酒精浓度决定。 合理性诊断装置根据酒精浓度传感器的输出值校正剩余燃料量传感器的输出值,以从剩余燃料量传感器的输出值中消除与酒精浓度相关的分量。 然后,合理性诊断装置验证剩余燃料量传感器的校正输出值的精度,以判断是否保持酒精浓度传感器的合理性。
    • 37. 发明申请
    • RATIONALITY DIAGNOSTIC DEVICE FOR ALCOHOL CONCENTRATION SENSOR
    • 用于酒精浓度传感器的可靠性诊断装置
    • US20130340496A1
    • 2013-12-26
    • US13516888
    • 2010-12-28
    • Kazuhiro WakaoMie Sasai
    • Kazuhiro WakaoMie Sasai
    • G01M15/04
    • G01M15/04F02D19/0623F02D19/0628F02D19/0634F02D19/0665F02D19/084F02D41/222F02D2200/0611G01F23/263Y02T10/36Y02T10/40
    • A rationality diagnostic device for an alcohol concentration sensor includes a capacitance-type remaining fuel amount sensor as a remaining fuel amount sensor disposed in a fuel tank. The capacitance-type remaining fuel amount sensor has such output characteristics that its output value is determined by the amount of fuel remaining in the fuel tank and the alcohol concentration of the fuel. The rationality diagnostic device corrects the output value of the remaining fuel amount sensor in accordance with the output value of the alcohol concentration sensor to eliminate an alcohol-concentration-dependent component from the output value of the remaining fuel amount sensor. The rationality diagnostic device then verifies the accuracy of the corrected output value of the remaining fuel amount sensor to judge whether the rationality of the alcohol concentration sensor is maintained.
    • 用于酒精浓度传感器的合理性诊断装置包括作为设置在燃料箱中的剩余燃料量传感器的电容式剩余燃料量传感器。 电容式剩余燃料量传感器具有这样的输出特性,其输出值由燃料箱中剩余的燃料量和燃料的酒精浓度决定。 合理性诊断装置根据酒精浓度传感器的输出值校正剩余燃料量传感器的输出值,以从剩余燃料量传感器的输出值中消除与酒精浓度相关的分量。 然后,合理性诊断装置验证剩余燃料量传感器的校正输出值的精度,以判断是否保持酒精浓度传感器的合理性。