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公开(公告)号：EP3546728A1
公开(公告)日：2019-10-02
申请号：EP19163823.8
申请日：2019-03-19
发明人： ITANO, Ryosuke , MIYATA, Toshiyuki , TODA, Hitoshi
摘要： Under a normal pressure environment on a flat land, a control device for an engine controls a close timing for an exhaust valve 10 based on characteristics of an Ec target close phase angle including a charging efficiency Ec as a factor. Furthermore, under a low pressure environment at high altitude, the control device for the engine performs advance angle limitation mainly in a medium load region using an Ev target close phase angle including a volume efficiency Ev as a factor, and performs retard angle limitation mainly in a high load region using a retard angle limitation amount corresponding to an atmospheric pressure Pa. Thus, for example, in a load region E between the medium load region and the high load region, an increase in intake and exhaust overlap amount resulting from the advance angle limitation based on the Ev target close phase angle is inhibited by retard angle limitation based on the retard angle limitation amount. This reduces the overlap amount, inhibiting intake blow-by cause by a reduced exhaust pressure of the engine 1 at high altitude.
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公开(公告)号：EP3379058A1
公开(公告)日：2018-09-26
申请号：EP18163173.0
申请日：2018-03-21
CPC分类号： B60W30/025 , B60W10/06 , B60W10/101 , B60W2540/10 , F02B37/183 , F02D9/02 , F02D41/0007 , F02D41/023 , F02D41/10 , F02D2009/022 , F02D2250/21 , F02D2250/26 , F02P5/15 , Y02T10/144
摘要： To suppress supercharging delay that occurs after torque reduction is made in response to a temporary toque reduction request. A vehicle control device includes a driver request torque detection unit 34 which detects a driver request torque A that is an engine output torque requested by a driver, a restriction torque calculation unit 35 which calculates a restriction torque B that is smaller than the driver request torque A based on an external request, a corrected torque calculation unit 36 which calculates a corrected torque C that is greater than the restriction torque B, and an engine control unit 31 which controls the positions of a throttle valve 5 and an exhaust bypass valve 22. The engine control unit controls the positions of the throttle valve and the exhaust bypass valve based on the driver request torque A during an ordinary drive, and, if a prescribed drive condition is satisfied, controls the position of the throttle valve 5 based on the restriction torque B and controls the position of the exhaust bypass valve 22 based on the corrected torque C.
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公开(公告)号：EP3001018A1
公开(公告)日：2016-03-30
申请号：EP15186261.2
申请日：2015-09-22
发明人： TODA, Hitoshi , MIYATA, Toshiyuki
CPC分类号： F02D41/0007 , F02B33/40 , F02D23/02 , F02D41/18 , F02D2200/0402 , F02D2200/0406 , F02D2200/0414 , Y02T10/144
摘要： A control device for an internal combustion engine, which can accurately estimate an intake air amount introduced from an intake system into an internal combustion engine, is provided. The control device calculates the change amount of an air amount in an upstream section upstream of a throttle valve of the intake system based on the pressure and temperature of air in the upstream section; calculates a throttle passage air amount flowing out to an intake manifold, which is a section downstream of the throttle valve, based on the change amount and an introduced air amount flowing into a supercharger; and calculates the intake air amount based on the throttle passage air amount.
摘要翻译： 本发明提供一种内燃机的控制装置，能够准确地推定从进气系统向内燃机引入的进气量。 控制装置基于上游部的空气的压力和温度来计算进气系统的节流阀上游的上游部的空气量的变化量， 基于流入增压器的变化量和引入空气量来计算流出到作为节流阀下游部分的进气歧管的节流通道空气量; 并基于节气门通路空气量计算进气量。
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公开(公告)号：EP3489494A1
公开(公告)日：2019-05-29
申请号：EP18205879.2
申请日：2018-11-13
摘要： A fuel injection control apparatus is included in an internal combustion engine including an intake passage injection valve (22) and a cylinder injection valve (21) and being capable of switching between an MP1 mode and a DI + MPI mode based on an operating state of the engine (1). The fuel injection control apparatus includes an injection amount control unit including a direct-combustion-rate calculation unit (33) calculating a DI direct combustion rate αdi that is the rate of that portion of the amount of DI injection Fdi which corresponds to a fuel combusted instead of adhering to inside of the cylinder, and a cylinder vaporization rate calculation unit (34) calculating a cylinder vaporization rate Z that is the rate of the amount of that portion of the fuel adhering to the inside of the cylinder which vaporizes. The injection amount calculation unit (32) controls fuel injection based at least on the DI direct combustion rate αdi and the cylinder vaporization rate. When the engine is switched between the MPI mode and the DI + MPI mode, the injection amount calculation unit (32) corrects the DI direct combustion rate αdi or the cylinder vaporization rate Z to set the amount of fuel injection to a value different from a value set in a case where the fuel injection modes are maintained.
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公开(公告)号：EP3546729A1
公开(公告)日：2019-10-02
申请号：EP19164635.5
申请日：2019-03-22
摘要： A control device for an internal combustion engine, which can set a VVT (variable valve timing) phase angle so that a reduction in the output of the engine can be suppressed even on a high ground, while ensuring sufficient output, is provided. The control device has a VVT mechanism (30, 31) which changes the opening or closing timing of one or both of an intake valve (22) and an exhaust valve (28), and comprises:detectionmeans (44) for detecting atmospheric pressure; first calculation means (120) for calculating a charging efficiency based the amount of air flowing through an intake air flow path; second calculating means (130) for calculating a volumetric efficiency from the amount of air and the atmospheric pressure detected by the atmospheric pressure detection means; and setting means (140) for setting the valve opening timing of the intake valve by the variable valve timing mechanism. The setting means (140) has a first calculation unit (141) for calculating the valve opening timing of the intake valve based on the charging efficiency by the first calculation means (120), and a second calculation unit (142) for calculating the valve opening timing of the intake valve based on the volumetric efficiency by the second calculation means (130); and sets the valve opening timing(s) of one or both of the intake valve and the exhaust valve based on one of the valve opening timing calculated by the first calculation unit (141) and the valve opening timing calculated by the volumetric efficiency valve opening timing calculation unit (142).
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公开(公告)号：EP3001018B1
公开(公告)日：2019-07-17
申请号：EP15186261.2
申请日：2015-09-22
发明人： TODA, Hitoshi , MIYATA, Toshiyuki
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