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公开(公告)号：US20120325189A1
公开(公告)日：2012-12-27
申请号：US13531182
申请日：2012-06-22
CPC分类号： F02M25/0793 , F02D9/02 , F02D41/0077 , F02D41/20 , F02D2041/2058 , F02D2200/1012 , F02D2250/16 , F02M26/23 , F02M26/48 , F02M26/54 , F02M26/70 , Y02T10/47
摘要： When a constant driving voltage is applied to a motor driving an EGR valve so that the EGR opening degree is varied, an angular speed of the EGR valve becomes minimal at a position where the driving torque of the EGR valve becomes maximal. In view of this, while an opening degree of the EGR valve is varied with a constant driving voltage applied to the motor, the EGR opening degree where the angular speed becomes minimal is learned as a full-close position.
摘要翻译： 当对驱动EGR阀的电动机施加恒定的驱动电压使得EGR开度变化时，在EGR阀的驱动转矩变为最大的位置，EGR阀的角速度变得最小。 鉴于此，当EGR阀的开度随着施加到电动机的恒定驱动电压而变化时，角速度变得最小的EGR开度被学习为完全关闭位置。
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公开(公告)号：US09458785B2
公开(公告)日：2016-10-04
申请号：US13489715
申请日：2012-06-06
CPC分类号： F02D41/1498 , F02D41/0055 , F02D41/0065 , F02D41/08 , F02D41/2438 , F02D41/2441 , F02D41/2464 , F02D2250/16 , F02M26/48 , F02P5/1508 , Y02T10/46 , Y02T10/47
摘要： While an engine is an idling state and an EGR opening degree is increased stepwise from a specified opening degree, a variation in engine speed (a standard deviation in engine speed) is repeatedly computed. After that, a specified step amount is successively reduced from the EGR opening degree and the variation in engine speed is successively computed until the EGR opening degree becomes less than or equal to a specified value. Then, a maximum value of the EGR opening degrees where the variation in engine speed becomes minimum is learned as the full-close position.
摘要翻译： 当发动机是空转状态并且EGR开度从规定的开度逐步增加时，重复地计算发动机转速的变化（发动机转速的标准偏差）。 之后，从EGR开度连续地减小规定的步进量，连续计算发动机转速的变化，直到EGR开度小于或等于规定值。 然后，获知发动机转速变化最小的EGR开度的最大值作为全关位置。
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公开(公告)号：US08960169B2
公开(公告)日：2015-02-24
申请号：US13531182
申请日：2012-06-22
CPC分类号： F02M25/0793 , F02D9/02 , F02D41/0077 , F02D41/20 , F02D2041/2058 , F02D2200/1012 , F02D2250/16 , F02M26/23 , F02M26/48 , F02M26/54 , F02M26/70 , Y02T10/47
摘要： When a constant driving voltage is applied to a motor driving an EGR valve so that the EGR opening degree is varied, an angular speed of the EGR valve becomes minimal at a position where the driving torque of the EGR valve becomes maximal. In view of this, while an opening degree of the EGR valve is varied with a constant driving voltage applied to the motor, the EGR opening degree where the angular speed becomes minimal is learned as a full-close position.
摘要翻译： 当对驱动EGR阀的电动机施加恒定的驱动电压使得EGR开度变化时，在EGR阀的驱动转矩变为最大的位置，EGR阀的角速度变得最小。 鉴于此，当EGR阀的开度随着施加到电动机的恒定驱动电压而变化时，角速度变得最小的EGR开度被学习为完全关闭位置。
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公开(公告)号：US09068523B2
公开(公告)日：2015-06-30
申请号：US13480583
申请日：2012-05-25
CPC分类号： F02D41/0072 , F02D41/0052 , F02D41/1497 , F02D2200/1015 , G01M15/11 , Y02T10/47
摘要： A cylinder-inflow EGR gas quantity determining arrangement estimates or senses a value of a cylinder-inflow EGR gas quantity, which is a quantity of EGR gas that flows into a cylinder of an internal combustion engine. A misfire predicting arrangement predicts whether misfire occurs based on the value of the cylinder-inflow EGR gas quantity and an operational state of the internal combustion engine. A misfire-avoidance control arrangement executes at least one misfire-avoidance control operation to avoid the misfire when the misfire predicting arrangement predicts that the misfire occurs.
摘要翻译： 气缸流入EGR气体量确定装置估计或感测气缸流入EGR气体量的值，其是流入内燃机的气缸中的EGR气体的量。 基于缸内流入EGR气体的值和内燃机的运转状态，失火预测装置预测是否发生失火。 当失火预测装置预测发生失火时，失火回避控制装置执行至少一次失火回避控制操作以避免失火。
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公开(公告)号：US09470166B2
公开(公告)日：2016-10-18
申请号：US13481231
申请日：2012-05-25
CPC分类号： F02D41/123 , F02D17/04 , F02D41/0055 , F02D41/0072 , F02D41/042 , F02D2041/1431 , F02D2200/0402 , Y02T10/47
摘要： EGR gas quantity information, which indicates a quantity of the EGR gas flowing into a cylinder of an internal combustion engine, is obtained by an ECU. A combustion stop delay control operation, which delays execution of a combustion stop control operation, is executed by the ECU when the quantity of the EGR gas flowing into the cylinder is larger than a normal combustion determination threshold value. When the quantity of the EGR gas flowing into the cylinder becomes equal to or smaller than the normal combustion determination threshold value, the combustion stop control operation is enabled by the ECU.
摘要翻译： 通过ECU获得表示流入内燃机的气缸内的EGR气体的量的EGR气体量信息。 当流入气缸的EGR气体的量大于正常燃烧判定阈值时，ECU通过ECU执行延迟执行燃烧停止控制动作的燃烧停止延迟控制动作。 当流入气缸的EGR气体的量成为正常燃烧判定阈值以下时，通过ECU使能燃烧停止控制动作。
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公开(公告)号：US20120303250A1
公开(公告)日：2012-11-29
申请号：US13481231
申请日：2012-05-25
CPC分类号： F02D41/123 , F02D17/04 , F02D41/0055 , F02D41/0072 , F02D41/042 , F02D2041/1431 , F02D2200/0402 , Y02T10/47
摘要： EGR gas quantity information, which indicates a quantity of the EGR gas flowing into a cylinder of an internal combustion engine, is obtained by an ECU. A combustion stop delay control operation, which delays execution of a combustion stop control operation, is executed by the ECU when the quantity of the EGR gas flowing into the cylinder is larger than a normal combustion determination threshold value. When the quantity of the EGR gas flowing into the cylinder becomes equal to or smaller than the normal combustion determination threshold value, the combustion stop control operation is enabled by the ECU.
摘要翻译： 通过ECU获得表示流入内燃机的气缸内的EGR气体的量的EGR气体量信息。 当流入气缸的EGR气体的量大于正常燃烧判定阈值时，ECU通过ECU执行延迟执行燃烧停止控制动作的燃烧停止延迟控制动作。 当流入气缸的EGR气体的量成为正常燃烧判定阈值以下时，通过ECU使能燃烧停止控制动作。
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公开(公告)号：US08942909B2
公开(公告)日：2015-01-27
申请号：US13481192
申请日：2012-05-25
CPC分类号： F02D41/0005 , F02D41/0072 , F02D41/123 , F02D2021/083 , F02M26/06 , F02M26/35 , F02M26/64 , Y02T10/42 , Y02T10/47
摘要： An intake air quantity information determining arrangement senses or computes one of an intake air quantity and a torque of an internal combustion engine as intake air quantity information. A misfire-avoidance control arrangement executes a misfire-avoidance control operation, which avoids misfire by controlling a throttle opening degree of a throttle valve such that a value of the intake air quantity information does not decrease below a normal combustion threshold value.
摘要翻译： 进气量信息确定装置作为进气量信息感测或计算内燃机的进气量和扭矩中的一个。 失火回避控制装置执行失火回避控制操作，其通过控制节气门的节气门开度来避免失火，使得进气量信息的值不降低到正常燃烧阈值以下。
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公开(公告)号：US08892334B2
公开(公告)日：2014-11-18
申请号：US13481192
申请日：2012-05-25
摘要： An intake air quantity information determining arrangement senses or computes one of an intake air quantity and a torque of an internal combustion engine as intake air quantity information. A misfire-avoidance control arrangement executes a misfire-avoidance control operation, which avoids misfire by controlling a throttle opening degree of a throttle valve such that a value of the intake air quantity information does not decrease below a normal combustion threshold value.
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公开(公告)号：US20120303249A1
公开(公告)日：2012-11-29
申请号：US13481192
申请日：2012-05-25
CPC分类号： F02D41/0005 , F02D41/0072 , F02D41/123 , F02D2021/083 , F02M26/06 , F02M26/35 , F02M26/64 , Y02T10/42 , Y02T10/47
摘要： An intake air quantity information determining arrangement senses or computes one of an intake air quantity and a torque of an internal combustion engine as intake air quantity information. A misfire-avoidance control arrangement executes a misfire-avoidance control operation, which avoids misfire by controlling a throttle opening degree of a throttle valve such that a value of the intake air quantity information does not decrease below a normal combustion threshold value.
摘要翻译： 进气量信息确定装置作为进气量信息感测或计算内燃机的进气量和扭矩中的一个。 失火回避控制装置执行失火回避控制操作，其通过控制节气门的节气门开度来避免失火，使得进气量信息的值不降低到正常燃烧阈值以下。
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公开(公告)号：US09726093B2
公开(公告)日：2017-08-08
申请号：US13480641
申请日：2012-05-25
CPC分类号： F02D41/0072 , F02D2021/083 , F02D2041/1431 , F02D2200/0402 , F02M26/06 , F02M26/35 , Y02T10/47
摘要： In an EGR system, a quantity of exhaust gas passing through an EGR valve is computed by an EGR valve model simulating a behavior of the recirculated exhaust gas passing through the EGR valve. An exhaust gas quantity flowing into a cylinder is computed by an EGR-gas-delay model simulating a behavior of the exhaust gas passing through the EGR valve and the throttle valve and then flows into a cylinder. The EGR-gas-delay model includes a confluent-delay model simulating a behavior of EGR gas passing thorough the EGR valve and flowing into the intake passage upstream of the throttle valve; an intake-pipe-delay model simulating a behavior of EGR gas flowing in the intake passage and passing through the throttle valve; and an intake-manifold-delay model simulating a behavior of EGR gas which passes through the throttle valve and then flows into the intake passage downstream of the throttle valve.
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