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    • 1. 发明申请
    • PARTICULATE MATTER DETECTING SENSOR AND PARTICULATE MATTER DETECTING APPARATUS
    • 检测传感器和颗粒物检测装置的颗粒物检测
    • WO2011092582A2
    • 2011-08-04
    • PCT/IB2011/000135
    • 2011-01-27
    • TOYOTA JIDOSHA KABUSHIKI KAISHANISHIJIMA, HirokiAOKI, Keiichiro
    • NISHIJIMA, HirokiAOKI, Keiichiro
    • G01N15/06
    • G01N15/0656
    • A particulate matter detecting apparatus that measures an amount of particulate matter in a gas by applying a predetermined voltage between a pair of first electrodes of a sensor element portion includes a detecting portion that detects whether more particulate matter than a reference amount has accumulated on the first electrodes, a temperature controlling portion that controls a temperature of the sensor element portion to become equal to or higher than a reference temperature when it is detected that more particulate matter than the reference amount has accumulated, and a voltage controlling portion that applies a reference voltage between the first electrodes and a second electrode arranged such that a solid electrolyte is sandwiched between the second electrode and the first electrodes, when it is detected that more particulate matter than the reference amount has accumulated.
    • 一种颗粒物质检测装置,其通过在传感器元件部分的一对第一电极之间施加预定电压来测量气体中的颗粒物质的量,包括检测部分,其检测在第一个 电极;温度控制部,其在检测到比所述基准量累积的颗粒物多的情况下,将所述传感器元件部的温度控制为基准温度以上;以及电压控制部,其将基准电压 在第一电极和第二电极之间布置成使得固体电解质夹在第二电极和第一电极之间时,当检测到比参考量累积的颗粒物质更多时。
    • 2. 发明申请
    • ABNORMALITY DETERMINATION APPARATUS FOR PARTICULATE FILTER
    • 异常过滤器异常测定装置
    • WO2011110920A1
    • 2011-09-15
    • PCT/IB2011/000493
    • 2011-03-08
    • TOYOTA JIDOSHA KABUSHIKI KAISHANISHIJIMA, Hiroki
    • NISHIJIMA, Hiroki
    • F01N3/021F01N9/00F01N11/00
    • F01N11/00F01N3/021F01N9/002F01N2550/04F01N2560/05Y02T10/20Y02T10/47
    • An abnormality determination apparatus includes a particulate filter provided in the exhaust passage of an internal combustion engine that collects particulate matter in the exhaust gas discharged from the internal combustion engine, a particulate matter deposition amount detection device provided downstream of the particulate filter, and a abnormality determination portion. The particulate matter deposition amount detection device includes a detecting element that detects the particular matter that flows toward the particulate matter deposition amount detection device and that is not trapped by the particulate filter, and then outputs a value corresponding to a deposition amount deposited the particulate matter on the detecting element. The abnormality determination portion determines, whether an abnormality is present in the particulate filter based on the gradient of an output waveform of the particulate matter deposition amount detection device.
    • 异常判定装置包括设置在内燃机的排气通路中的微粒过滤器,该内燃机收集从内燃机排出的废气中的颗粒物质,设置在微粒过滤器下游的颗粒物质沉积量检测装置, 确定部分。 颗粒物质沉积量检测装置包括检测元件,该检测元件检测流向颗粒物质沉积量检测装置的特定物质,并且不被颗粒过滤器捕获,然后输出与沉积颗粒物质的沉积量相对应的值 在检测元件上。 异常判定部基于颗粒物质沉积量检测装置的输出波形的梯度来确定微粒过滤器中是否存在异常。
    • 5. 发明申请
    • AIR-FUEL RATIO SENSOR
    • 空燃比传感器
    • WO2010136859A1
    • 2010-12-02
    • PCT/IB2010/000854
    • 2010-04-15
    • TOYOTA JIDOSHA KABUSHIKI KAISHADENSO CORPORATIONNISHIJIMA, HirokiHIRABAYASHI, TakeshiKONDO, HarukiSUZUKI, Yasufumi
    • NISHIJIMA, HirokiHIRABAYASHI, TakeshiKONDO, HarukiSUZUKI, Yasufumi
    • G01N27/407
    • G01N27/4075
    • An air-fuel ratio sensor includes a solid electrolyte layer, a measuring electrode laminated on a first face of the solid electrolyte layer, a reference electrode laminated on a second face of the solid electrolyte layer which is different from the first face thereof, such that the reference electrode and the measuring electrode are opposed to each other with the solid electrolyte layer interposed therebetween, a porous diffusion resistance layer that permits gas to pass therethrough and covers the measuring electrode, and a catalyst layer including a catalyst metal and a base material on which the catalyst metal is supported. The catalyst layer permits gas to pass therethrough and covers the porous diffusion resistance layer. The catalyst metal is a platinum-palladium-rhodium alloy, and contains 2 to 9 mass% of rhodium when the overall amount of the catalyst layer is represented as 100 mass%.
    • 空燃比传感器包括固体电解质层,层压在固体电解质层的第一面上的测量电极,层压在与其第一面不同的固体电解质层的第二面上的参考电极,使得 参考电极和测量电极彼此相对,固体电解质层彼此相对,允许气体通过并覆盖测量电极的多孔扩散电阻层和包含催化剂金属和基材的催化剂层在 催化剂金属被负载。 催化剂层允许气体通过并覆盖多孔扩散电阻层。 催化剂金属是铂 - 铑 - 铑合金,当催化剂层的总量为100质量%时,含有2〜9质量%的铑。
    • 9. 发明公开
    • CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
    • 内燃机控制装置
    • EP2784277A1
    • 2014-10-01
    • EP11876112.1
    • 2011-11-25
    • Toyota Jidosha Kabushiki Kaisha
    • HASHIDA, TatsuhiroNISHIJIMA, Hiroki
    • F01N3/023F01N3/08
    • F01N11/007F01N3/023F01N3/035F01N3/208F01N11/00F01N2250/02F01N2550/04F01N2560/05Y02T10/24Y02T10/47
    • A control device for an internal combustion engine (2) includes a SCR system (8) disposed in an exhaust passage (4) and a particulate matter sensor (14) disposed downstream of the SCR system (8). The control device applies a particulate matter trapping voltage to the particulate matter sensor (14), and acquires an output of the particulate matter sensor (14) at a first timing after the start of application of the particulate matter trapping voltage. The control device executes predetermined control in accordance with the output. If a second timing at which an integrated operating time period of the internal combustion engine in a predetermined operating state in which urea-related substances discharged to downstream of the SCR system (8) increase reaches a reference time period after starting application of the particulate matter trapping voltage is earlier than the first timing, the control device stops the predetermined control.
    • 一种用于内燃机(2)的控制装置包括设置在排气通道(4)中的SCR系统(8)和设置在SCR系统(8)下游的微粒物质传感器(14)。 控制装置在颗粒状物质捕捉电压的施加开始后的第一时刻向颗粒状物质传感器(14)施加颗粒状物质捕捉电压,并且获取颗粒状物质传感器(14)的输出。 控制装置根据输出执行预定的控制。 如果在开始施加颗粒物质之后在排放到SCR系统(8)的下游的尿素相关物质增加的预定运行状态下内燃机的累计运行时间段达到基准时间段的第二时刻 俘获电压比第一时刻早,控制装置停止预定的控制。