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公开(公告)号：US08240290B2
公开(公告)日：2012-08-14
申请号：US12617327
申请日：2009-11-12
CPC分类号： F02D41/3836 , F02D41/221 , F02D41/3854 , F02D41/3863 , F02D2200/0602 , F02D2250/31
摘要： In a control apparatus for an internal combustion engine, when a fuel pressure detected by the fuel pressure detecting unit is not smaller than a threshold P_a, the value opening time duration of a injector is increased to a value larger than its normal value, such control as to stop fuel injection from the injector is inhibited, the low pressure fuel pump is stopped, thus quickly lowering the fuel pressure. After the fuel pressure is lowered, the valve opening time duration of the injector is returned to the normal value, and a discharge quantity of the low pressure fuel pump is changed on the basis of a difference between the fuel pressure detected by the fuel pressure detecting unit and a target fuel pressure.
摘要翻译： 在用于内燃机的控制装置中，当由燃料压力检测单元检测到的燃料压力不小于阈值P_a时，喷射器的开启持续时间增加到大于其正常值的值，这样的控制 为了停止来自喷射器的燃料喷射被抑制，低压燃料泵停止，从而迅速降低燃料压力。 在燃料压力降低之后，喷射器的开阀持续时间恢复到正常值，并且基于由燃料压力检测检测到的燃料压力之间的差异来改变低压燃料泵的排出量 单位和目标燃油压力。
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公开(公告)号：US20100122690A1
公开(公告)日：2010-05-20
申请号：US12617327
申请日：2009-11-12
CPC分类号： F02D41/3836 , F02D41/221 , F02D41/3854 , F02D41/3863 , F02D2200/0602 , F02D2250/31
摘要： In a control apparatus for an internal combustion engine, when a fuel pressure detected by the fuel pressure detecting unit is not smaller than a threshold P_a, the value opening time duration of a injector is increased to a value larger than its normal value, such control as to stop fuel injection from the injector is inhibited, the low pressure fuel pump is stopped, thus quickly lowering the fuel pressure. After the fuel pressure is lowered, the valve opening time duration of the injector is returned to the normal value, and a discharge quantity of the low pressure fuel pump is changed on the basis of a difference between the fuel pressure detected by the fuel pressure detecting unit and a target fuel pressure.
摘要翻译： 在用于内燃机的控制装置中，当由燃料压力检测单元检测到的燃料压力不小于阈值P_a时，喷射器的开启持续时间增加到大于其正常值的值，这样的控制 为了停止来自喷射器的燃料喷射被抑制，低压燃料泵停止，从而迅速降低燃料压力。 在燃料压力降低之后，喷射器的开阀持续时间恢复到正常值，并且基于由燃料压力检测检测到的燃料压力之间的差异来改变低压燃料泵的排出量 单位和目标燃油压力。
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公开(公告)号：US08447498B2
公开(公告)日：2013-05-21
申请号：US13201535
申请日：2010-01-25
申请人： Masahiro Toyohara , Minoru Okubo , Takao Miyake , Tomohiro Ohisa
发明人： Masahiro Toyohara , Minoru Okubo , Takao Miyake , Tomohiro Ohisa
IPC分类号： F02P5/15
CPC分类号： F02D37/02 , F02D31/008 , F02D41/0097 , F02D41/062 , F02P3/02 , F02P5/06 , F02P5/1506 , Y02T10/46
摘要： Even when an engine is started in various combustion states, an excessive increase in engine speed at the start of the engine is suppressed without an influence of the combustion states and with an excellent responsiveness. Ignition timing (or a combustion injection amount) at the start of an internal combustion engine is corrected in accordance with a crank angle cycle ratio which is a ratio of a combustion period crank angle cycle and a reference crank angle cycle.
摘要翻译： 即使在各种燃烧状态下起动发动机的情况下，抑制发动机起动时的发动机转速的过度增加而不会受到燃烧状态的影响和良好的响应性。 根据作为燃烧期曲柄角循环与基准曲柄角周期的比的曲柄角循环比率来校正内燃机起动时的点火正时（或燃烧喷射量）。
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公开(公告)号：US20110301827A1
公开(公告)日：2011-12-08
申请号：US13201535
申请日：2010-01-25
申请人： Masahiro Toyohara , Minoru Okubo , Takao Miyake , Tomohiro Ohisa
发明人： Masahiro Toyohara , Minoru Okubo , Takao Miyake , Tomohiro Ohisa
IPC分类号： F02D41/04
CPC分类号： F02D37/02 , F02D31/008 , F02D41/0097 , F02D41/062 , F02P3/02 , F02P5/06 , F02P5/1506 , Y02T10/46
摘要： Even when an engine is started in various combustion states, an excessive increase in engine speed at the start of the engine is suppressed without an influence of the combustion states and with an excellent responsiveness. Ignition timing (or a combustion injection amount) at the start of an internal combustion engine is corrected in accordance with a crank angle cycle ratio which is a ratio of a combustion period crank angle cycle and a reference crank angle cycle.
摘要翻译： 即使在各种燃烧状态下起动发动机的情况下，抑制发动机起动时的发动机转速的过度增加而不会受到燃烧状态的影响和良好的响应性。 根据作为燃烧期曲柄角循环与基准曲柄角周期的比的曲柄角循环比率来校正内燃机起动时的点火正时（或燃烧喷射量）。
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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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公开(公告)号：US20110100333A1
公开(公告)日：2011-05-05
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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