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1.发明授权公开(公告)号：US08783230B2
公开(公告)日：2014-07-22
申请号：US13034195
申请日：2011-02-24
CPC分类号： F02D41/30 , F02D41/20 , F02D41/402 , F02D2041/2003 , F02D2041/2013 , F02D2041/2055 , F02D2200/503 , H03K17/64
摘要： Disclosed is a fuel injection system that is used with an internal-combustion engine to reliably perform a requested fuel injection operation a requested number of times even when a boost voltage is lowered. The fuel injection system monitors the boost voltage immediately before the start of fuel injection, and varies a valve open time in accordance with the monitored boost voltage. Even when the boost voltage is lowered, the fuel injection system performs a fuel injection operation the requested number of times.
摘要翻译： 公开了一种与内燃机一起使用的燃料喷射系统，即使当升压电压降低时也可以可靠地执行要求的燃料喷射运行所需的次数。 燃料喷射系统在燃料喷射开始之前监视升压电压，并且根据所监视的升压电压来改变阀打开时间。 即使升压电压降低，燃料喷射系统也进行所需次数的燃料喷射动作。
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2.发明申请公开(公告)号：US20110220067A1
公开(公告)日：2011-09-15
申请号：US13034195
申请日：2011-02-24
CPC分类号： F02D41/30 , F02D41/20 , F02D41/402 , F02D2041/2003 , F02D2041/2013 , F02D2041/2055 , F02D2200/503 , H03K17/64
摘要： Disclosed is a fuel injection system that is used with an internal-combustion engine to reliably perform a requested fuel injection operation a requested number of times even when a boost voltage is lowered. The fuel injection system monitors the boost voltage immediately before the start of fuel injection, and varies a valve open time in accordance with the monitored boost voltage. Even when the boost voltage is lowered, the fuel injection system performs a fuel injection operation the requested number of times.
摘要翻译： 公开了一种与内燃机一起使用的燃料喷射系统，即使当升压电压降低时也可以可靠地执行要求的燃料喷射运行所需的次数。 燃料喷射系统在燃料喷射开始之前监视升压电压，并且根据所监视的升压电压来改变阀打开时间。 即使升压电压降低，燃料喷射系统也进行所需次数的燃料喷射动作。
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公开(公告)号：US07881035B2
公开(公告)日：2011-02-01
申请号：US11833677
申请日：2007-08-03
IPC分类号： H01H9/00
CPC分类号： F02D41/20 , F02D41/406 , F02D2041/2041 , F02M59/466 , F02M2037/085 , F04B49/06 , F04B49/10 , H01F7/1811
摘要： There is provided a high-pressure fuel pump drive circuit for manipulating the electric current to be passed to a solenoid coil for controlling a high-pressure pump. This circuit is characterized in that a first switching element, the solenoid coil and a second switching element are connected in series with each other in a rout from a source voltage side to the ground side, that a flywheel diode for passing electric current to a power source is disposed parallel with the solenoid and with the first switching element, and that a Zener diode connected with the power source is disposed parallel with the second switching element, wherein a counter electromotive force to be developed at the opposite ends of solenoid coil on the occasion when the second switching element is changed from ON to OFF is consumed by the flywheel diode provided that the first switching element is in a state of ON, and the counter electromotive force is more rapidly consumed by the Zener diode provided that the first switching element is turned OFF.
摘要翻译： 提供了用于操纵要通过到用于控制高压泵的螺线管线圈的电流的高压燃料泵驱动电路。 该电路的特征在于，第一开关元件，螺线管线圈和第二开关元件在从源极电压侧到接地侧的路径中彼此串联连接，用于将电流传递到电力的续流二极管 源极与螺线管和第一开关元件平行设置，并且与电源连接的齐纳二极管与第二开关元件平行设置，其中在电磁线圈的相对端处形成的反电动势 只要第一开关元件处于ON状态，并且反电动势被齐纳二极管更快地消耗，则由续流二极管消耗第二开关元件由ON变为OFF的情况，只要第一开关元件 关闭。
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公开(公告)号：US20080030917A1
公开(公告)日：2008-02-07
申请号：US11833677
申请日：2007-08-03
IPC分类号： H01H47/00
CPC分类号： F02D41/20 , F02D41/406 , F02D2041/2041 , F02M59/466 , F02M2037/085 , F04B49/06 , F04B49/10 , H01F7/1811
摘要： There is provided a high-pressure fuel pump drive circuit for manipulating the electric current to be passed to a solenoid coil for controlling a high-pressure pump. This circuit is characterized in that a first switching element, the solenoid coil and a second switching element are connected in series with each other in a rout from a source voltage side to the ground side, that a flywheel diode for passing electric current to a power source is disposed parallel with the solenoid and with the first switching element, and that a Zener diode connected with the power source is disposed parallel with the second switching element, wherein a counter electromotive force to be developed at the opposite ends of solenoid coil on the occasion when the second switching element is changed from ON to OFF is consumed by the flywheel diode provided that the first switching element is in a state of ON, and the counter electromotive force is more rapidly consumed by the Zener diode provided that the first switching element is turned OFF.
摘要翻译： 提供了用于操纵要通过到用于控制高压泵的螺线管线圈的电流的高压燃料泵驱动电路。 该电路的特征在于，第一开关元件，螺线管线圈和第二开关元件在从源极电压侧到接地侧的路径中彼此串联连接，用于将电流传递到电力的续流二极管 源极与螺线管和第一开关元件平行设置，并且与电源连接的齐纳二极管与第二开关元件平行设置，其中在电磁线圈的相对端处形成的反电动势 只要第一开关元件处于ON状态，并且反电动势被齐纳二极管更快地消耗，则由续流二极管消耗第二开关元件由ON变为OFF的情况，只要第一开关元件 关闭。
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公开(公告)号：US07610141B2
公开(公告)日：2009-10-27
申请号：US12164555
申请日：2008-06-30
CPC分类号： F02D41/3836 , F02D35/023 , F02D41/3845
摘要： An apparatus controls the quantity of fuel injection of an injector in accordance with the fuel pressure in the fuel rail of a direct injection type internal combustion engine. A reference value for controlling the injector is obtained on the basis of the difference and the fuel pressure in the fuel rail at the time of starting fuel injection out of injector.
摘要翻译： 一种装置根据直喷式内燃机的燃料轨中的燃料压力来控制喷射器的燃料喷射量。 基于喷射器的燃料喷射时的燃料轨中的差和燃料压力，得到用于控制喷射器的基准值。
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公开(公告)号：US20080270007A1
公开(公告)日：2008-10-30
申请号：US12164555
申请日：2008-06-30
IPC分类号： F02D41/00
CPC分类号： F02D41/3836 , F02D35/023 , F02D41/3845
摘要： An apparatus controls the quantity of fuel injection of an injector in accordance with the fuel pressure in the fuel rail of a direct injection type internal combustion engine. A reference value for controlling the injector is obtained on the basis of the difference and the fuel pressure in the fuel rail at the time of starting fuel injection out of injector.
摘要翻译： 一种装置根据直喷式内燃机的燃料轨中的燃料压力来控制喷射器的燃料喷射量。 基于喷射器的燃料喷射时的燃料轨中的差和燃料压力，得到用于控制喷射器的基准值。
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公开(公告)号：US08315780B2
公开(公告)日：2012-11-20
申请号：US12512615
申请日：2009-07-30
IPC分类号： F02M37/06
CPC分类号： F02D41/3845 , F02D41/009 , F02D41/222 , F02M59/366 , F02M59/367
摘要： There is provided a high pressure fuel pump control system for an internal combustion engine which enables fuel pressure control with high precision without being restricted by the number of cylinders of the internal combustion engine or the number of phase sensor signals and the number of cam noses which vertically drives a plunger of a high pressure fuel pump even when a camshaft phase varies by a variable valve timing mechanism by using the high pressure fuel pump with a solenoid valve. The control system has a means which changes an effective stroke by driving the solenoid valve in the high pressure fuel pump, and has a means which changes the drive timing of the high pressure fuel pump based on a cylinder recognition value of the internal combustion engine with the cam angle detecting means as an origin.
摘要翻译： 提供了一种用于内燃机的高压燃料泵控制系统，其能够高精度地进行燃料压力控制，而不受内燃机的气缸数量或相位传感器信号的数量和凸轮的数量的限制 即使当通过使用具有电磁阀的高压燃料泵，凸轮轴相位由可变气门正时机构变化时，垂直地驱动高压燃料泵的柱塞。 控制系统具有通过驱动高压燃料泵中的电磁阀而改变有效行程的装置，并且具有根据内燃机的气缸识别值改变高压燃料泵的驱动正时的装置， 凸轮角度检测装置作为原点。
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公开(公告)号：US20080035118A1
公开(公告)日：2008-02-14
申请号：US11834951
申请日：2007-08-07
IPC分类号： F02D41/30
CPC分类号： F02D41/3836 , F02D35/023 , F02D41/3845
摘要： An apparatus for controlling the quantity of fuel injection of injectors in accordance with the fuel pressure in the fuel rail of a direct injection type internal combustion engine, including a fuel injection quantity calculating section for calculating the quantity of fuel injection of the injector, a fuel discharge quantity calculating unit for calculating the quantity of fuel discharged from the high-pressure fuel pump into the fuel rail, and a difference calculating unit for calculating the difference between the quantity of fuel injected out of the injector calculated by the fuel injection quantity calculating section and the quantity of fuel discharged from the high-pressure fuel pump into the fuel rail calculated by the fuel discharge quantity calculating unit, wherein the reference value for controlling the injector is obtained on the basis of the difference and the fuel pressure in the fuel rail at the time of starting fuel injection out of injector, and the injector is controlled depending on the reference value.
摘要翻译： 一种用于根据直喷式内燃机的燃料轨道中的燃料压力来控制喷射器的燃料喷射量的装置，包括用于计算喷射器的燃料喷射量的燃料喷射量计算部，燃料 排出量计算单元，用于计算从高压燃料泵排入燃料轨的燃料量;以及差分计算单元，用于计算由燃料喷射量计算部计算出的喷射器中喷出的燃料量之间的差 以及由燃料排出量计算单元计算出的从高压燃料泵排出到燃料轨道的燃料量，其中，基于燃料轨中的差和燃料压力获得用于控制喷射器的基准值 在启动注射器的燃料喷射时，喷射器被控制 取决于参考值。
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公开(公告)号：US08280613B2
公开(公告)日：2012-10-02
申请号：US12856034
申请日：2010-08-13
IPC分类号： F02M51/00
CPC分类号： F02D41/20 , F02D41/40 , F02D2041/2003 , F02D2041/2017 , F02D2200/0602 , Y02T10/44
摘要： A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of a direct cylinder injection type of internal combustion engine, including a fuel injector which performs fuel injection by supplying a drive current to a solenoid, a fuel pressure sensor which detects fuel pressure supplied to the fuel injector, and operation state detecting means which detects the operation state of the internal combustion engine, comprises current profile changing means 100 which has multiple current profiles of the drive current and changes current profiles based on the operation state and the fuel pressure, valid pulse width calculating means 701 which calculates a valid pulse width for opening and driving the fuel injector, invalid pulse width calculating means 103 which calculates an invalid pulse width, and fuel injector control means which calculates a fuel injection pulse width based on the valid pulse width and the invalid pulse width, and controls the fuel injector based on the fuel injection pulse width, wherein the invalid pulse width calculating means 103 calculates an invalid pulse width corresponding to the current profiles to be changed before the current profiles are changed.
摘要翻译： 提供一种用于内燃机的燃料喷射控制装置，其能够即使当燃料喷射量比以前更低时也能够以精确的方式将燃料喷射量喷射到燃料喷射器。 一种直列式喷射式内燃机的燃料喷射控制装置，包括通过向螺线管供给驱动电流进行燃料喷射的燃料喷射器，检测供给到燃料喷射器的燃料压力的燃料压力传感器和运转状态 检测内燃机的运转状态的检测装置包括：电流分布变更机构100，其具有驱动电流的多个电流分布，并根据运转状态和燃料压力改变电流分布;有效脉冲宽度计算单元701， 用于打开和驱动燃料喷射器的有效脉冲宽度，计算无效脉冲宽度的无效脉冲宽度计算装置103以及基于有效脉冲宽度和无效脉冲宽度计算燃料喷射脉冲宽度的燃料喷射器控制装置，以及 基于燃料喷射脉冲宽度来控制燃料喷射器，其中， 有效脉冲宽度计算装置103计算在当前轮廓改变之前对应于要改变的当前轮廓的无效脉冲宽度。
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10.发明申请公开(公告)号：US20100082223A1
公开(公告)日：2010-04-01
申请号：US12512615
申请日：2009-07-30
CPC分类号： F02D41/3845 , F02D41/009 , F02D41/222 , F02M59/366 , F02M59/367
摘要： There is provided a high pressure fuel pump control system for an internal combustion engine which enables fuel pressure control with high precision without being restricted by the number of cylinders of the internal combustion engine or the number of phase sensor signals and the number of cam noses which vertically drives a plunger of a high pressure fuel pump even when a camshaft phase varies by a variable valve timing mechanism by using the high pressure fuel pump with a solenoid valve. The control system has a means which changes an effective stroke by driving the solenoid valve in the high pressure fuel pump, and has a means which changes the drive timing of the high pressure fuel pump based on a cylinder recognition value of the internal combustion engine with the cam angle detecting means as an origin.
摘要翻译： 提供了一种用于内燃机的高压燃料泵控制系统，其能够高精度地进行燃料压力控制，而不受内燃机的气缸数量或相位传感器信号的数量和凸轮的数量的限制 即使当通过使用具有电磁阀的高压燃料泵，凸轮轴相位由可变气门正时机构变化时，垂直地驱动高压燃料泵的柱塞。 控制系统具有通过驱动高压燃料泵中的电磁阀而改变有效行程的装置，并且具有根据内燃机的气缸识别值改变高压燃料泵的驱动正时的装置， 凸轮角度检测装置作为原点。
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