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    • 14. 发明申请
    • DIAGNOSIS APPARATUS FOR LEAKAGE MECHANISM IN INTERNAL COMBUSTION ENGINE
    • 内燃机泄漏机构诊断装置
    • US20120090391A1
    • 2012-04-19
    • US13254002
    • 2010-10-19
    • Daigo Ando
    • Daigo Ando
    • G01M15/04
    • F02D41/3863F02D41/042F02D41/221F02D2200/021
    • After an engine stop duration exceeds a predetermined time period (that is, if a decision outcome of S100 is positive), diagnosis of a leakage mechanism, which is a relief valve, for diagnosing the presence/absence of an abnormality is not performed during a current engine stop (S102). Therefore, even if the fuel pressure in the high-pressure fuel system is reduced to a low-pressure level due to temperature decrease as though fuel has been leaked in a state in which high-pressure fuel in a high-pressure fuel system cannot be leaked due to an abnormality in the relief valve, it generally occurs after the predetermined time period since such a decrease to a low-pressure level due to the temperature decrease is slow. Thus, an erroneous diagnosis as being normal is prevented from being made since the diagnosis has been suspended when the fuel pressure becomes equal to the low-pressure level.
    • 在发动机停止持续时间超过预定时间段(即,如果S100的判定结果为肯定),则不进行诊断作为安全阀的泄漏机构,用于诊断异常的存在/不存在 当前发动机停止(S102)。 因此,即使在高压燃料系统中的高压燃料不能在高压燃料系统中的燃料已经泄漏的情况下,即使由于温度降低而使高压燃料系统中的燃料压力降低到低压水平 由于安全阀的异常而泄漏,通常发生在预定时间段之后,因为由于温度降低而降低到低压水平是缓慢的。 因此,当燃料压力变得等于低压水平时,诊断已被暂停,因此防止了错误的诊断正常。
    • 19. 发明授权
    • Hybrid vehicle
    • 混合动力汽车
    • US08972089B2
    • 2015-03-03
    • US13777196
    • 2013-02-26
    • Daigo AndoYukio Kobayashi
    • Daigo AndoYukio Kobayashi
    • B60W20/00B60W10/06B60W10/08F02D41/22F02D41/30F02N11/08
    • B60W20/108B60W10/06B60W10/08B60W20/15F02D41/221F02D41/3094F02D2041/224F02N11/0814Y02T10/48Y02T10/6286Y10S903/93
    • A hybrid vehicle having a controller controls output torque of an engine and output torque of a generator motor so as to apply requested torque to a drive shaft. The controller performs engine intermittent operation to stop operation of the engine when a given engine operation stop condition is satisfied, and start the engine when a given engine start condition is satisfied. The controller makes an in-cylinder injection valve abnormality determination while causing a total amount of fuel to be injected from an in-cylinder injection valve, and makes a port injection valve abnormality determination while causing the total amount of fuel to be injected from a port injection valve. If at least one of abnormality determinations concerning the in-cylinder injection valve and the port injection valve has not been made, the engine is operated so that the load of the engine falls within a predetermined range.
    • 具有控制器的混合动力车辆控制发动机的输出转矩和发电机电动机的输出转矩,以便向驱动轴施加所要求的转矩。 当满足给定的发动机运转停止条件时,控制器执行发动机间歇操作以停止发动机的运行,并且当给定的发动机起动条件被满足时启动发动机。 控制器在从缸内喷射阀喷射燃料的总量的同时进行缸内喷射阀异常判定,并且在从端口喷射总量的同时进行喷嘴阀异常判定 注射阀。 如果还没有进行至少一个关于缸内喷射阀和端口喷射阀的异常判定,则发动机被操作,使得发动机的负载落在预定范围内。
    • 20. 发明申请
    • VEHICLE AND CONTROL METHOD FOR VEHICLE
    • 车辆的车辆和控制方法
    • US20130297180A1
    • 2013-11-07
    • US13995291
    • 2011-01-12
    • Daigo AndoTakuji MatsubaraTakahiro Nishigaki
    • Daigo AndoTakuji MatsubaraTakahiro Nishigaki
    • F02D41/00
    • F02D41/00B60K6/445B60W10/08B60W20/17B60W20/50B60W30/20B60W2030/206B60W2510/0619B60W2510/0638B60W2510/0642Y02T10/6239
    • A vehicle includes an engine, a first MG (motor generator), a second MG, a motive power split device, and an ECU. ECU temporarily determines whether or not an imbalance abnormality has occurred based on an air-fuel ratio, and when it is temporarily determined that the imbalance abnormality is present, controls the engine such that the engine is in an idle state and formally determines whether or not the imbalance abnormality has occurred based on fluctuations in engine rotation speed. During a stop at idle, ECU determines whether or not the formal determination process of the imbalance determination is ongoing and carries out pressing control to cause the first MG to generate pressing torque Tp when the formal determination process is not ongoing and does not carry out the pressing control so as not to cause the first MG to generate pressing torque Tp when the formal determination process is ongoing.
    • 车辆包括发动机,第一MG(电动发电机),第二MG,动力分配装置和ECU。 ECU基于空燃比暂时确定是否发生不平衡异常,并且当暂时确定存在不平衡异常时,控制发动机使得发动机处于空转状态并正确地确定是否 基于发动机转速的波动发生不平衡异常。 在怠速停止期间,ECU确定不平衡确定的正式确定处理是否正在进行,并且在形式确定处理不进行时执行按压控制以使第一MG产生按压转矩Tp,并且不执行 按压控制,以便在形式确定处理正在进行时不使第一MG产生按压转矩Tp。