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公开(公告)号：US20210172394A1
公开(公告)日：2021-06-10
申请号：US16761903
申请日：2019-01-24
发明人： Naoki YONEYA , Takashi OKAMOTO
摘要： The present invention provides a method for avoiding knocking in an internal combustions engine, preferably in a gasoline engine with a high compression ratio and a variable valve train which is able to perform EIVC, by injecting a non-combustible fluid into the intake port and/or in the cylinder during a transient operating mode.
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公开(公告)号：US20170009621A1
公开(公告)日：2017-01-12
申请号：US15113142
申请日：2015-01-07
CPC分类号： F01M5/005 , F01M5/001 , F02D35/026 , F02D41/0025 , F02D41/003 , F02D41/22 , F02D2041/224 , F02D2200/023 , F02D2200/0611 , F02D2250/08 , F02D2250/11 , H05B1/0236
摘要： An engine control device sets a target value for the engine oil temperature appropriately in an engine that uses gasoline as a fuel, even when the fuel does not have a single boiling point because the gasoline is a mixed composition, or when the fuel property changes (for example, when the vaporization property changes due to deterioration). In other words, the engine control device prevents excessive heating or insufficient heating by changing the oil temperature to the high side in a condition wherein the fuel being used does not easily vaporize, and changing the oil temperature to the low side in a condition wherein the fuel being used easily vaporizes. This engine control device includes an oil temperature controller that controls the temperature of oil lubricating the interior of the engine; a fuel supply device that supplies fuel to the engine; and a detector for detecting the property of the fuel. The temperature of the oil is controlled on the basis of a signal from the detector.
摘要翻译： 发动机控制装置在使用汽油作为燃料的发动机中适当地设定发动机油温的目标值，即使燃料由于汽油是混合组合物而不具有单一沸点，或者燃料特性变化时 例如，当气化性质因劣化而变化时）。 换句话说，发动机控制装置在所使用的燃料不容易汽化的状态下，通过将油温变更为高压来防止过度的加热或不充分的加热，并且在下述情况下将油温变更为低温 使用的燃料容易蒸发。 该发动机控制装置包括油温控制器，其控制润滑发动机内部的油的温度; 向发动机供给燃料的燃料供给装置; 以及用于检测燃料性质的检测器。 基于来自检测器的信号来控制油的温度。
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公开(公告)号：US20210324810A1
公开(公告)日：2021-10-21
申请号：US17260650
申请日：2019-07-22
发明人： Takashi OKAMOTO
IPC分类号： F02D41/00 , F02B47/02 , F02D41/40 , F02M25/03 , F02M25/022
摘要： The present subject-matter provides a method to inject a non-combustible fluid, most preferably water, into an internal combustion engine, as well as a corresponding controller 12 and a computer program product for carrying out the method by means of a computer. It is a particular technical advantage of the claimed subject-matter that it allows for suppressing knocking in an internal combustion engine without any drawbacks regarding exhaust gas emissions. This advantage is achieved by avoiding collision of fuel and water spray when injecting both fluids directly into the cylinder 100.
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公开(公告)号：US20170314500A1
公开(公告)日：2017-11-02
申请号：US15520200
申请日：2015-09-16
发明人： Kenichiroh OGATA , Takashi OKAMOTO , Yoshinobu ARIHARA , Kazuhiro ORYOJI , Yoshihiro SUKEGAWA , Yuusuke KIHARA
CPC分类号： F02D41/402 , F02D13/0219 , F02D13/0261 , F02D35/021 , F02D35/023 , F02D35/027 , F02D41/005 , F02D41/006 , F02D41/0072 , F02D41/0077 , F02D41/009 , F02D41/0225 , F02D41/047 , F02D41/18 , F02D41/40 , F02D2041/001 , F02D2041/288 , F02D2200/021 , F02D2200/023 , F02D2200/0414 , F02D2200/101 , F02D2200/501 , F02D2200/602 , F02M26/00 , F02M26/14 , F02M26/46 , F02P5/1506 , F02P5/152 , Y02T10/18 , Y02T10/44 , Y02T10/47
摘要： The purpose of the present invention is to provide an engine control device with which it is possible to minimize decreases in combustion speed even when the EGR rate has been increased. The present invention is an engine control device for: controlling an engine provided with an injector for injecting fuel directly into a cylinder, an ignition device for igniting the injected fuel, and an EGR means capable of recycling combustion gas and varying the EGR rate of the recycling combustion gas; and commanding the injector to perform multiple injections during one cycle, wherein a command is given to perform a control for increasing the injection quantity per compression stroke relative to the total injection quantity in one cycle so that the injection quantity per compression stroke is greater when the EGR rate is high than when the EGR rate is low, and/or a control for increasing the number of injections per compression stroke relative to the total number of injections in one cycle so that the number of injections per compression stroke is greater when the EGR rate is high than when the EGR rate is low.
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公开(公告)号：US20200347790A1
公开(公告)日：2020-11-05
申请号：US16762240
申请日：2019-01-24
发明人： Takashi OKAMOTO , Naoki YONEYA
摘要： Method for controlling injection of a non-combustible fluid into an internal combustion engine. The internal combustion engine may include at least one cylinder, at least one non-combustible fluid injector, at least one combustion phase determining means, and at least one control unit. The method may comprise the steps of determining the combustion phase by the combustion phase determining means, determining the amount of non-combustible fluid to be injected depending on the combustion phase.
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公开(公告)号：US20170074178A1
公开(公告)日：2017-03-16
申请号：US15125371
申请日：2015-01-07
CPC分类号： F02D37/02 , F01P3/20 , F01P5/10 , F02B31/06 , F02D13/0219 , F02D13/0261 , F02D21/08 , F02D41/0047 , F02D41/005 , F02D41/30 , F02D41/345 , F02D41/3836 , F02D41/401 , F02D41/402 , F02D2041/0015 , F02D2041/1472 , F02D2200/0602 , F02D2200/0606 , F02M26/15 , F02M26/28 , F02P5/145 , F02P5/1516 , F02P15/08 , Y02T10/146 , Y02T10/18 , Y02T10/44 , Y02T10/46 , Y02T10/47
摘要： The purpose of the present invention is to provide an engine control system that is capable of promoting mixing of fuel and air during exhaust gas recirculation, thereby suppressing combustion fluctuation of a gasoline engine, such that efficiency and exhaust gas purification can be simultaneously achieved. The engine control system controls an engine and is equipped with an injection device for injecting fuel directly into a cylinder and a recirculation device for recirculating exhaust gas to the intake side. When the temperature of the recirculating exhaust gas recirculated by the recirculation device is high as opposed to when the temperature is low, or when the amount of the recirculating exhaust gas recirculated by the recirculation device is large as opposed to when the amount is small, at least one of the following is executed: advancing of the fuel injection timing (IT_SP (n−2) of the injection device; increasing of the fuel pressure (FP) to be supplied to the injection device; reducing the frequency (n) of divided multi-stage injection to be performed by the injection device during the period between intake top dead center and compression top dead center; and reducing of the interval of divided multi-stage injection (IT_RE (n−2)).
摘要翻译： 本发明的目的是提供一种发动机控制系统，其能够促进废气再循环期间燃料和空气的混合，从而抑制汽油发动机的燃烧波动，从而可以同时实现效率和排气净化。 发动机控制系统控制发动机并配备有用于将燃料直接喷射到气缸中的注射装置和用于将排气再循环到进气侧的再循环装置。 当再循环装置再循环的再循环废气的温度高时，与温度低时相反，或当再循环装置再循环的再循环废气的量大时，与量少时相反，在 执行以下中的至少一个：推进喷射装置的燃料喷射正时（IT_SP（n-2））;增加要供给到喷射装置的燃料压力（FP）;降低分配的频率（n） 在进气上止点和压缩上止点之间的期间由喷射装置执行多级喷射;以及减少分段多级喷射的间隔（IT_RE（n-2））。
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公开(公告)号：US20190331052A1
公开(公告)日：2019-10-31
申请号：US16505082
申请日：2019-07-08
发明人： Ryo KUSAKABE , Motoyuki ABE , Toshihiro AONO , Takashi OKAMOTO
摘要： The purpose of the present invention is to detect variations between the quantities of fuel injected into cylinders by fuel injection devices and correct the fuel injection quantity variation while minimizing the computational load on a drive device and the level of performance required of a pressure sensor. A drive device for fuel injection devices according to the present invention performs control wherein movable valves are driven so that predetermined quantities of fuel are injected by applying, for the duration of a set energization time, a current that will reach an energization current to solenoids of a plurality of fuel injection devices which open/close fuel flow paths. The drive device is characterized in that the set energization time or energization current is corrected on the basis of a pressure detection value from a pressure sensor that is attached to a fuel supply pipe disposed upstream of the plurality of fuel injection devices.
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公开(公告)号：US20170218876A1
公开(公告)日：2017-08-03
申请号：US15314981
申请日：2015-04-22
发明人： Ryo KUSAKABE , Motoyuki ABE , Toshihiro AONO , Takashi OKAMOTO
CPC分类号： F02D41/32 , F02D41/20 , F02D41/34 , F02D41/36 , F02D41/3809 , F02D45/00 , F02D2041/2034 , F02D2041/2055 , F02D2200/0602 , F02D2200/0614 , F02D2200/0618
摘要： A method for detecting variations between the quantities of fuel injected into cylinders by fuel injection devices and correcting the fuel injection quantity variation while minimizing the computational load on a drive device and the level of performance required of a pressure sensor includes a drive device for fuel injection control, wherein movable valves are driven so that predetermined quantities of fuel are injected by applying, for the duration of a set energization time, a current that will reach an energization current to solenoids of a plurality of fuel injection devices which open/close fuel flow paths. The drive device is characterized in that the set energization time or energization current is corrected on the basis of a pressure detection value from a pressure sensor that is attached to a fuel supply pipe disposed upstream of the plurality of fuel injection devices.
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公开(公告)号：US20160237937A1
公开(公告)日：2016-08-18
申请号：US15024667
申请日：2014-06-16
发明人： Ryo KUSAKABE , Toshihiro AONO , Motoyuki ABE , Takuya MAYUZUMI , Masahiro TOYOHARA , Takashi OKAMOTO , Osamu MUKAIHARA , Shinji NAKAGAWA , Yusuke KIHARA
CPC分类号： F02D41/247 , F02D41/20 , F02D41/402 , F02D2041/2003 , F02D2041/2055 , F02D2041/2058 , F02D2200/0618 , F02M51/0671 , F02M51/0678 , F02M51/0685 , F02M61/1833 , F02M61/1893 , Y02T10/44
摘要： An object of the invention is to provide a drive device of a fuel injection device which can increase the accuracy in an injected fuel injection amount by combining the fuel injections from a plurality of injection pulse widths. In the drive device of the fuel injection device which has a function of driving the fuel injection device such that the fuel injection is performed plural times in one combustion cycle, the fuel injection device is driven such that a fuel injection at a target opening level in which a valve element or a movable element of the fuel injection device reaches a regulation member and a fuel injection at an intermediate opening level in which the valve element does not reach the regulation member are included in the plural times of division injections performed in one combustion cycle.
摘要翻译： 本发明的目的是提供一种燃料喷射装置的驱动装置，其可以通过组合来自多个喷射脉冲宽度的燃料喷射来提高喷射燃料喷射量的精度。 在具有驱动燃料喷射装置的功能的燃料喷射装置的驱动装置中，使得在一个燃烧循环中进行多次燃料喷射，燃料喷射装置被驱动，使得在目标开度 燃料喷射装置的阀元件或可动元件到达调节构件，并且在阀元件未到达调节构件的中间开度处的燃料喷射包括在一次燃烧中进行的多次分区喷射 周期。
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公开(公告)号：US20180291833A1
公开(公告)日：2018-10-11
申请号：US15531490
申请日：2015-11-25
CPC分类号： F02D41/401 , F02D13/0203 , F02D13/0265 , F02D41/04 , F02D41/064 , F02D41/20 , F02D41/34 , F02D41/36 , F02D45/00 , F02D2041/001 , F02D2041/2055 , F02D2041/389 , F02D2200/0608 , F02M53/06 , F02P5/1502 , F02P5/152 , Y02T10/18 , Y02T10/44 , Y02T10/46
摘要： The purpose of the present invention is to provide a control device for an internal combustion engine with which it is possible to favorably control an engine even if there could occur a difference in temperatures of fuel injected into respective cylinders. The present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein: the control device is provided with a fuel temperature acquiring means for acquiring respective temperatures of fuel injected to each of the cylinders; and at least one of a fuel injection valve control amount, ignition control amount, and intake and exhaust valve control amount of each of the cylinders is set in accordance with the respective temperatures of fuel acquired by the fuel temperature acquiring means. Alternatively, the present invention is a control device for an internal combustion engine, for controlling an internal combustion engine provided with fuel injection valves for directly injecting fuel respectively to a plurality of cylinders, wherein the control device is provided with a valve-closing time detecting means for detecting a valve-closing time of a valve body of each of the fuel injection valves, and a fuel temperature estimating means for estimating the temperature of fuel on the basis of the valve-closing duration of the valves detected by the valve-closing time detecting means.
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