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    • 1. 发明申请
    • OXYGEN SENSOR OUTPUT CORRECTION APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • 用于内燃机的氧气传感器输出校正装置
    • US20080262704A1
    • 2008-10-23
    • US12104027
    • 2008-04-16
    • Tomoo KawaseEiichi KurokawaTakahito Masuko
    • Tomoo KawaseEiichi KurokawaTakahito Masuko
    • F01N9/00
    • F01N9/00F02D41/123F02D41/1448F02D41/1455F02D41/18F02D41/2454F02D41/2474Y02T10/47
    • A correction apparatus for correcting an error in an output of an oxygen sensor such as an A/F sensor installed in an exhaust pipe of an internal combustion engine to measure the concentration of oxygen contained in exhaust gas. The apparatus works to determine a given parameter correlating with an actual concentration of oxygen within the exhaust pipe after start of a fuel cut event and also determine an oxygen concentration-corresponding output based on the given parameter which is a parameter corresponding to an output of the oxygen sensor considered to represent the actual concentration of oxygen correctly. The apparatus samples an output of the oxygen sensor during the fuel cut event and determines a correction factor based on the sampled output of the oxygen sensor and the oxygen concentration-corresponding output for use in correcting an output of the oxygen sensor when the engine is undergoing no fuel cut.
    • 一种用于校正安装在内燃机的排气管中的A / F传感器等氧传感器的输出的误差的校正装置,以测量废气中所含的氧浓度。 该装置用于确定在开始燃料切断事件之后与排气管内的氧气的实际浓度相关联的给定参数,并且还基于给定参数确定氧浓度对应的输出,所述给定参数是对应于 氧气传感器被认为是正确表示氧气的实际浓度。 该装置在燃料切断事件期间对氧传感器的输出进行采样,并根据氧传感器的采样输出和氧浓度相应的输出确定校正因子,用于在发动机正在进行时校正氧传感器的输出 没有燃料切断
    • 2. 发明授权
    • Oxygen sensor output correction apparatus for internal combustion engine
    • 用于内燃机的氧传感器输出校正装置
    • US07606654B2
    • 2009-10-20
    • US12104027
    • 2008-04-16
    • Tomoo KawaseEiichi KurokawaTakahito Masuko
    • Tomoo KawaseEiichi KurokawaTakahito Masuko
    • F02D41/14
    • F01N9/00F02D41/123F02D41/1448F02D41/1455F02D41/18F02D41/2454F02D41/2474Y02T10/47
    • A correction apparatus for correcting an error in an output of an oxygen sensor such as an A/F sensor installed in an exhaust pipe of an internal combustion engine to measure the concentration of oxygen contained in exhaust gas. The apparatus works to determine a given parameter correlating with an actual concentration of oxygen within the exhaust pipe after start of a fuel cut event and also determine an oxygen concentration-corresponding output based on the given parameter which is a parameter corresponding to an output of the oxygen sensor considered to represent the actual concentration of oxygen correctly. The apparatus samples an output of the oxygen sensor during the fuel cut event and determines a correction factor based on the sampled output of the oxygen sensor and the oxygen concentration-corresponding output for use in correcting an output of the oxygen sensor when the engine is undergoing no fuel cut.
    • 一种用于校正安装在内燃机的排气管中的A / F传感器等氧传感器的输出的误差的校正装置,以测量废气中所含的氧浓度。 该装置用于确定在开始燃料切断事件之后与排气管内的氧气的实际浓度相关联的给定参数,并且还基于给定参数确定氧浓度对应的输出,所述给定参数是对应于 氧气传感器被认为是正确表示氧气的实际浓度。 该装置在燃料切断事件期间对氧传感器的输出进行采样,并根据氧传感器的采样输出和氧浓度相应的输出确定校正因子,用于在发动机正在进行时校正氧传感器的输出 没有燃料切断
    • 3. 发明授权
    • Signal processor for gas sensor
    • 气体传感器信号处理器
    • US08056393B2
    • 2011-11-15
    • US12536747
    • 2009-08-06
    • Tomoo KawaseTakahito Masuko
    • Tomoo KawaseTakahito Masuko
    • G01N7/00
    • G01N27/4065
    • The present invention provides, as one aspect, a signal processor for a gas sensor that is disposed in an exhaust passage of an internal combustion engine and senses concentration of a specific component in exhaust gas. The signal processor includes a calculation unit that performs moderation operation at every instant for a sensor output of the gas sensor, an evaluation unit that evaluates a degree of pressure variation impact on the sensor output caused in the exhaust passage, and a change unit that changes a mode of the moderation operation according to a result of the evaluation by the evaluation unit.
    • 作为一个方面,本发明提供一种用于气体传感器的信号处理器,其设置在内燃机的排气通道中并感测排气中特定成分的浓度。 该信号处理器包括:计算单元,其对于气体传感器的传感器输出在每一时刻执行调节操作;评估单元,其评估对排气通道中引起的传感器输出的压力变化影响的程度;以及改变单元,其改变 根据评估单元的评估结果的审核操作的模式。
    • 5. 发明授权
    • Gas sensor control apparatus
    • 气体传感器控制装置
    • US07955494B2
    • 2011-06-07
    • US12212121
    • 2008-09-17
    • Tomoo KawaseEiichi KurokawaToshiyuki SuzukiTakahito Masuko
    • Tomoo KawaseEiichi KurokawaToshiyuki SuzukiTakahito Masuko
    • G01N27/417
    • G01N27/4065
    • The gas sensor control apparatus is for controlling a gas sensor including a sensor element having a solid electrolyte layer, and first and second electrodes located on opposite sides of the solid electrolyte layer, the first electrode serving as a gas detecting electrode, the second electrode serving as a reference electrode, the sensor element generating, as a sensor output, a current flowing between the first and second electrodes having a value depending on concentration of a specific gas component contained in a gas under measurement. The gas sensor control apparatus includes a determination function of determining whether or not it is time for the gas sensor to start operation, and a control function of forcibly supplying oxygen from a side of the second electrode to a side of the first electrode on a temporary basis when a determination result of the first function becomes affirmative.
    • 气体传感器控制装置用于控制包括具有固体电解质层的传感器元件的气体传感器和位于固体电解质层的相对侧的第一和第二电极,用作气体检测电极的第一电极, 作为参考电极,传感器元件作为传感器输出产生在第一和第二电极之间流动的电流,其具有取决于测量气体中所含的特定气体成分的浓度的值。 气体传感器控制装置具有确定气体传感器是否开始运转的判定功能,以及从第二电极侧向第一电极一侧强制供给氧的控制功能, 当第一功能的确定结果变得肯定时的基础。