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    • 1. 发明授权
    • Fuel injection controller and diagnosis method of fuel supply system
    • 燃油喷射控制器和燃油供应系统的诊断方法
    • US08010277B2
    • 2011-08-30
    • US11926996
    • 2007-10-29
    • Kouji IshizukaYuuki TarusawaMinoru Imai
    • Kouji IshizukaYuuki TarusawaMinoru Imai
    • G06F17/00
    • F02D41/402F02D41/123F02D41/221Y02T10/44
    • A fuel injection controller (incorporated in an engine control ECU) for controlling an injection operation of an injector has a program for executing injections in plural injection patterns including an injection pattern of a multiple injection in a certain order into a certain cylinder of the engine during non-injection operation and a program for obtaining sums of fluctuation degrees of an engine operating condition due to all the injections in a first injection unit composed of one (single stage injection) of the plural patterns and all the injections in a second injection unit composed of a different one (multiple injection of two stages) of the plural patterns which are executed by the former program, with an injection condition (cylinder number and data number N).
    • 用于控制喷射器的喷射操作的燃料喷射控制器(结合在发动机控制ECU中)具有用于以多个喷射模式执行喷射的程序,所述喷射模式包括以特定顺序的多次喷射的喷射模式到发动机的某个气缸中的喷射模式 非喷射操作和用于获得由于在由多个图案中的一个(单级喷射)组成的第一喷射单元中的所有喷射的发动机工作条件的波动程度的和和在第二喷射单元中构成的所有喷射的程序 由前一程序执行的多个图案的不同(多次注入两级),具有喷射条件(气缸号和数据编号N)。
    • 2. 发明申请
    • FUEL INJECTION CONTROLLER AND DIAGNOSIS METHOD OF FUEL SUPPLY SYSTEM
    • 燃油喷射控制器及燃油供应系统诊断方法
    • US20080103675A1
    • 2008-05-01
    • US11926996
    • 2007-10-29
    • Kouji IshizukaYuuki TarusawaMinoru Imai
    • Kouji IshizukaYuuki TarusawaMinoru Imai
    • F02D41/30
    • F02D41/402F02D41/123F02D41/221Y02T10/44
    • A fuel injection controller (incorporated in an engine control ECU) for controlling an injection operation of an injector has a program for executing injections in plural injection patterns including an injection pattern of a multiple injection in a certain order into a certain cylinder of the engine during non-injection operation and a program for obtaining sums of fluctuation degrees of an engine operating condition due to all the injections in a first injection unit composed of one (single stage injection) of the plural patterns and all the injections in a second injection unit composed of a different one (multiple injection of two stages) of the plural patterns which are executed by the former program, with an injection condition (cylinder number and data number N).
    • 用于控制喷射器的喷射操作的燃料喷射控制器(结合在发动机控制ECU中)具有用于以多个喷射模式执行喷射的程序,所述喷射模式包括以特定顺序的多次喷射的喷射模式到发动机的某个气缸中的喷射模式 非喷射操作和用于获得由于在由多个图案中的一个(单级喷射)组成的第一喷射单元中的所有喷射的发动机工作条件的波动程度的和和在第二喷射单元中构成的所有喷射的程序 由前一程序执行的多个图案的不同(多次注入两级),具有喷射条件(气缸号和数据编号N)。
    • 3. 发明申请
    • FUEL INJECTION CONTROL APPARATUS DESIGNED TO COMPENSATE FOR DEVIATION OF QUANTITY OF FUEL SPRAYED FROM FUEL INJECTOR
    • 燃油喷射控制装置设计用于补偿从燃油喷射器喷射的燃料量的偏差
    • US20090030590A1
    • 2009-01-29
    • US12174183
    • 2008-07-16
    • Masahiro ASANOEiji TakemotoYuuki Tarusawa
    • Masahiro ASANOEiji TakemotoYuuki Tarusawa
    • F02D41/30
    • F02D41/2467F02D41/0087F02D41/123F02D41/1497F02D41/2438
    • A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of fuel and determines a resulting increase in speed of the engine. The controller determines the quantity of the fuel actually sprayed from the fuel injector based on the increase in speed of the engine and calculates a correction factor which compensates for a difference between the learning injection quantity and the actual injection quantity. The controller also determines a variation in load acting on a driving member of a torque transmission mechanism. When such a variation is great undesirably, the controller stops spraying the learning injection quantity. The controller may determine the increase in speed of the engine based on the degree of the variation in load. This ensures the accuracy in calculating the correction factor regardless of the variation in load.
    • 提供一种用于内燃机的燃料喷射控制装置。 控制器引导燃料喷射器喷射学习喷射量的燃料并且确定所引起的发动机速度的增加。 控制器基于发动机的速度的增加来确定从燃料喷射器实际喷射的燃料的量,并计算补偿学习喷射量与实际喷射量之间的差的校正系数。 控制器还确定作用在转矩传递机构的驱动构件上的载荷的变化。 当这种变化非常大时,控制器停止喷射学习喷射量。 控制器可以基于负载变化的程度来确定发动机的速度的增加。 这确保了计算校正系数的准确性,而不管负载的变化如何。
    • 4. 发明授权
    • Fuel injection control apparatus
    • 燃油喷射控制装置
    • US07664592B2
    • 2010-02-16
    • US12146173
    • 2008-06-25
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • F02D41/04
    • F02D41/3836F02D41/123F02D41/2438F02D41/2441F02D41/2467
    • The fuel injection control apparatus includes a function of making a determination of whether learning conditions are satisfied to allow a fuel injection amount learning to be performed, a function of directing a commanded fuel injection amount in the fuel injection amount learning to a fuel injection valve if result of the determination is affirmative, a function of setting an upper limit value of an injection pressure in the fuel injection amount learning, a function of setting a target injection pressure in the fuel injection amount learning, a function of setting the injection pressure to the target injection pressure, a function of detecting an actual fuel injection amount, and a function of correcting an amount of fuel injected by the fuel injection valve on the basis of a difference between the commanded fuel injection amount and the actual fuel injection amount at the target injection pressure.
    • 燃料喷射控制装置具有确定是否满足学习条件以允许执行燃料喷射量学习的功能,将燃料喷射量学习中的命令燃料喷射量指向燃料喷射阀的功能,如果 确定的结果是肯定的,设定燃料喷射量学习中的喷射压力的上限值,设定燃料喷射量学习中的目标喷射压力的功能的功能,将喷射压力设定为 目标喷射压力,检测实际燃料喷射量的功能,以及基于所述指令燃料喷射量与所述目标的实际燃料喷射量之间的差异来校正由所述燃料喷射阀喷射的燃料量的功能 注射压力。
    • 7. 发明申请
    • FUEL INJECTION CONTROL APPARATUS
    • 燃油喷射控制装置
    • US20090025688A1
    • 2009-01-29
    • US12146173
    • 2008-06-25
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • F02M69/16F02M51/00G06G7/70G06G7/64
    • F02D41/3836F02D41/123F02D41/2438F02D41/2441F02D41/2467
    • The fuel injection control apparatus includes a function of making a determination of whether learning conditions are satisfied to allow a fuel injection amount learning to be performed, a function of directing a commanded fuel injection amount in the fuel injection amount learning to a fuel injection valve if result of the determination is affirmative, a function of setting an upper limit value of an injection pressure in the fuel injection amount learning, a function of setting a target injection pressure in the fuel injection amount learning, a function of setting the injection pressure to the target injection pressure, a function of detecting an actual fuel injection amount, and a function of correcting an amount of fuel injected by the fuel injection valve on the basis of a difference between the commanded fuel injection amount and the actual fuel injection amount at the target injection pressure.
    • 燃料喷射控制装置具有确定是否满足学习条件以允许执行燃料喷射量学习的功能,将燃料喷射量学习中的命令燃料喷射量指向燃料喷射阀的功能,如果 确定的结果是肯定的,设定燃料喷射量学习中的喷射压力的上限值,设定燃料喷射量学习中的目标喷射压力的功能的功能,将喷射压力设定为 目标喷射压力,检测实际燃料喷射量的功能,以及基于所述指令燃料喷射量与所述目标的实际燃料喷射量之间的差异来校正由所述燃料喷射阀喷射的燃料量的功能 注射压力。
    • 8. 发明授权
    • Fuel injection control apparatus designed to compensate for deviation of quantity of fuel sprayed from fuel injector
    • 燃油喷射控制装置,用于补偿燃油喷射器喷射的燃油量的偏差
    • US07596992B2
    • 2009-10-06
    • US12174183
    • 2008-07-16
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • Masahiro AsanoEiji TakemotoYuuki Tarusawa
    • G01M15/00F02D41/30
    • F02D41/2467F02D41/0087F02D41/123F02D41/1497F02D41/2438
    • A fuel injection control apparatus for an internal combustion engine is provided. A controller directs a fuel injector to spray a learning injection quantity of fuel and determines a resulting increase in speed of the engine. The controller determines the quantity of the fuel actually sprayed from the fuel injector based on the increase in speed of the engine and calculates a correction factor which compensates for a difference between the learning injection quantity and the actual injection quantity. The controller also determines a variation in load acting on a driving member of a torque transmission mechanism. When such a variation is great undesirably, the controller stops spraying the learning injection quantity. The controller may determine the increase in speed of the engine based on the degree of the variation in load. This ensures the accuracy in calculating the correction factor regardless of the variation in load.
    • 提供一种用于内燃机的燃料喷射控制装置。 控制器引导燃料喷射器喷射学习喷射量的燃料并且确定所引起的发动机速度的增加。 控制器基于发动机的速度的增加来确定从燃料喷射器实际喷射的燃料的量,并计算补偿学习喷射量与实际喷射量之间的差的校正系数。 控制器还确定作用在转矩传递机构的驱动构件上的载荷的变化。 当这种变化非常大时,控制器停止喷射学习喷射量。 控制器可以基于负载变化的程度来确定发动机的速度的增加。 这确保了计算校正系数的准确性,而不管负载的变化如何。