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    • 1. 发明授权
    • Pressure accumulation system for internal combustion engine
    • 内燃机压力累积系统
    • US08652007B2
    • 2014-02-18
    • US13120022
    • 2008-12-11
    • Kichiro KatoKeiji Yoeda
    • Kichiro KatoKeiji Yoeda
    • B60W10/04B60W10/10
    • F02D9/04F01N3/0235F01N2240/36F01N2260/14F02B33/44F02B37/02F02B37/10F02D9/1055F02M26/05F02M26/37Y02T10/144Y10T477/679
    • A pressure accumulation system for an internal combustion engine can prevent exhaust pressure from excessively increasing when pressurized gas is contained in a pressure accumulation container. A pressure accumulation system is applied for an internal combustion engine provided with an exhaust shut-off valve mounted in an exhaust path. The pressure accumulation system has a pressure accumulation tank into which gas can be introduced from that portion of an exhaust path. The pressure accumulation system also has a sensor for detecting the exhaust pressure, and an EGR valve is controlled based on the detection value from the exhaust gas sensor such that the pressure in that portion of the exhaust path which is on the upstream of the exhaust shut-off valve is limited below a predetermined exhaust gas upper limit value (Pmax) when gas is contained in the pressure accumulation tank.
    • 当在压力蓄积容器内容纳加压气体时,用于内燃机的压力累积系统可以防止排气压力过度增加。 压力累积系统被应用于设置有排气通道的排气关闭阀的内燃机。 压力积存系统具有压力积聚罐,气体可以从排气路径的该部分引入气体中。 压力积存系统还具有用于检测排气压力的传感器,并且基于来自排气传感器的检测值来控制EGR阀,使得在排气上游的排气路径的那部分中的压力被关闭 当气体被包含在压力积聚槽中时,阀被限制在预定的废气上限值(Pmax)以下。
    • 3. 发明申请
    • VEHICLE CONTROL APPARATUS
    • 车辆控制装置
    • US20120012086A1
    • 2012-01-19
    • US13262121
    • 2009-04-01
    • Keiji YoedaKichiro KatoOsamu IgarashiSatoshi SugiyamaNaruto Yamane
    • Keiji YoedaKichiro KatoOsamu IgarashiSatoshi SugiyamaNaruto Yamane
    • F02B33/00
    • F02B29/083F02B37/00F02D2009/0242F02M26/05Y02T10/146Y02T10/42
    • In an internal combustion engine provided with a rotary intake control valve, preferable position convergence at the end of inertia supercharging is ensured while avoiding an influence on combustion performance. In an engine provided with an impulse valve, if the implementation of the inertia supercharging is stopped and a request to maintain the impulse valve at a fully-opened position is made, an ECU stops the supply of a braking force to the impulse valve until the rotational phase of the impulse valve enters dead band, and the ECU performs a BRK mode for stopping the impulse valve under the condition that the rotational phase enters the dead band and that the impulse valve is in a deceleration state. At this time, electrification or power distribution for acceleration of the impulse valve during stop control of the impulse valve is forbidden. Moreover, the converging position of the impulse valve by the BRK mode is allowed to deviate in a range with an allowable width set in advance with respect to a target.
    • 在设置有旋转进气控制阀的内燃机中,确保在惯性增压结束时优选的位置收敛,同时避免对燃烧性能的影响。 在设置有脉冲阀的发动机中,如果停止实施惯性增压,并且使脉冲阀保持在完全打开位置的请求,ECU停止向脉冲阀供给制动力,直到 脉冲阀的旋转相位进入死区,ECU执行BRK模式,用于在旋转相位进入死区并且脉冲阀处于减速状态的条件下停止脉冲阀。 此时,禁止在脉冲阀的停止控制期间加速脉冲阀的通电或配电。 此外,通过BRK模式的脉冲阀的会聚位置允许在相对于目标预先设定的容许宽度的范围内偏离。