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公开(公告)号：US20190322269A1
公开(公告)日：2019-10-24
申请号：US16279093
申请日：2019-02-19
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Keisuke SASAKI , Satoshi TSUDA , Naoto KATO
Abstract: A control system of a hybrid vehicle includes an internal combustion engine loaded on a vehicle, an electric motor loaded on the vehicle, and connected to wheels via a power transmission mechanism, a battery storing power that drives the electric motor, and a control device that controls engine torque generated by the internal combustion engine, and motor torque transmitted to the wheels by the electric motor. The control device calculates an outputable power of the battery based on a temperature and a state of charge of the battery. The control device is configured to make a torque change amount of the engine torque larger when the calculated outputable power belongs to a predetermined low power region than when the outputable power belongs to a high power region with higher power than the low power region.
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公开(公告)号：US20190293000A1
公开(公告)日：2019-09-26
申请号：US16293830
申请日：2019-03-06
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Keisuke SASAKI , Hiroyoshi UEDA
IPC: F02D13/02
Abstract: A vehicle includes an internal combustion engine, a catalyst provided in an exhaust passage of the internal combustion engine, and an electronic control unit. The electronic control unit is configured to control an engine torque such that a first torque change amount of the engine torque when the temperature of the catalyst belongs to a predetermined low temperature region to be lower than a second torque change amount of the engine torque when the temperature of the catalyst belongs to a high temperature region. The high temperature region is a region having a temperature higher than the low temperature region.
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公开(公告)号：US20180306069A1
公开(公告)日：2018-10-25
申请号：US15914580
申请日：2018-03-07
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Noriyasu ADACHI , Keisuke SASAKI , Shigehiro SUGIHIRA , Takayoshi KAWAI , Shinji SADAKANE , Hiroyuki SUGIHARA , Kaoru OHTSUKA
IPC: F01L1/047
Abstract: Provided is a control device for an internal combustion engine equipped with a cam switching device including a cam groove provided on the outer peripheral surface of a camshaft and an electromagnetic solenoid type actuator capable of protruding, toward the camshaft, an engagement pin that is engageable with the cam groove. The control device is configured, in causing the cam switching device to perform a cam switching operation, to perform energization of the actuator such that the engagement pin is seated on a forward outer peripheral surface, and to more lower, when an electric current (coil current) flowing through the actuator as a result of the energization is greater, an average electric voltage per unit time applied to the actuator in protruding the engagement pin toward the cam groove from the forward outer peripheral surface.
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公开(公告)号：US20170030283A1
公开(公告)日：2017-02-02
申请号：US15219728
申请日：2016-07-26
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Keisuke SASAKI
CPC classification number: F02D41/2438 , F02D35/023 , F02D35/028 , F02D41/1488 , F02D41/22 , F02D2041/1432 , Y02T10/40
Abstract: A control apparatus for an internal combustion engine is configured to: calculate measured data of MFB using an output signal of an in-cylinder pressure sensor after performing a first low-pass filtering; execute engine control based on the measured value of a specified fraction combustion point that is calculated based on the measured data of MFB; and prohibit the engine control when the first correlation index value is less than a first determination value and a first correlation degree is lower than a first degree.
Abstract translation: 一种内燃机的控制装置，其特征在于，在进行第一低通滤波后，使用缸内压力传感器的输出信号，计算出MFB的测量数据; 基于根据MFB的测量数据计算的指定馏分燃点的测量值执行发动机控制; 并且当第一相关指标值小于第一判定值且第一相关度低于第一度时，禁止发动机控制。
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Patent Agency Ranking
公开(公告)号：US20160245210A1
公开(公告)日：2016-08-25
申请号：US15026668
申请日：2014-09-26
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Keisuke SASAKI , Masakatsu NAGAI , Shigeyuki URANO
CPC classification number: F02D41/222 , F02D35/023 , G01L23/225 , G01L27/007 , Y02T10/40
Abstract: A control device for an internal combustion engine is provided that can detect the adherence of deposits to a cylinder pressure sensor without subjecting the internal combustion engine to an impact or the like. A control device for an internal combustion engine equipped with a cylinder pressure sensor detects changes in the sensitivity of the cylinder pressure sensor. If the control device detects a decrease in the sensitivity of the cylinder pressure sensor after detecting an increase in the sensitivity of the cylinder pressure sensor, the control device determines that deposits are adhered to the cylinder pressure sensor.
Abstract translation: 提供一种用于内燃机的控制装置，其可以在不使内燃机受到冲击等的情况下检测沉积物对气缸压力传感器的粘附。 配备有气缸压力传感器的内燃机的控制装置检测气缸压力传感器的灵敏度的变化。 如果控制装置在检测到气缸压力传感器的灵敏度增加之后检测到气缸压力传感器的灵敏度降低，则控制装置确定沉积物粘附到气缸压力传感器。
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公开(公告)号：US20180230869A1
公开(公告)日：2018-08-16
申请号：US15888563
申请日：2018-02-05
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shigehiro SUGIHIRA , Noriyasu ADACHI , Keisuke SASAKI , Takayoshi KAWAI , Kaoru OTSUKA , Shinji SADAKANE , Hiroyuki SUGIHARA
Abstract: In a system that selects a large-cam as a driving cam at a time of a start of an engine, when an engine stop request is output, it is determined whether there is a small-cam cylinder for which a small-cam is selected as the driving cam. In a case where it is determined that there is a small-cam cylinder, a switching command for switching the driving cam from the small-cam to the large-cam is output. When an engine start request is output, the above determination is performed again. In a case where it is determined that there is a small-cam cylinder, the switching command is output to all solenoid actuators again. In addition, the drive of the fuel injector is suspended until the switching operation of the driving cam is completed for all cylinders.
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公开(公告)号：US20180202329A1
公开(公告)日：2018-07-19
申请号：US15810306
申请日：2017-11-13
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Kaoru OHTSUKA , Hiroyuki SUGIHARA , Shinji SADAKANE , Noriyasu ADACHI , Shigehiro SUGIHIRA , Keisuke SASAKI , Takayoshi KAWAI
CPC classification number: F01L13/0036 , F01L1/047 , F01L2013/0052 , F01L2013/101 , F02B75/02 , F02B75/20 , F02B2075/027 , F02B2075/1816 , F02D13/0226 , F02D13/08 , F02D41/042 , F02D2041/001 , Y02T10/18
Abstract: When a stop request to the engine is issued, it is determined whether or not all of the drive cams are large cams. When it is determined that at least one of the small cams is included in the drive cams, the engine is continued to drive for a while and a switch control for switching the drive cams from the small cams to the large cams is executed within the duration. A self-holding type solenoid is used to switch between the small cams and the large cams. In the switch control, a permission to stop the engine is output at a timing when the “pin protrudable section” of the final cylinder #2 has elapsed.
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18.发明申请公开(公告)号：US20180087993A1
公开(公告)日：2018-03-29
申请号：US15711321
申请日：2017-09-21
Inventor： Yusuke SATOH , Kazuo TAKAHASHI , Aki SUDO , Keisuke SASAKI , Masakatsu NAGAI
Abstract: A pressure detection device includes: a cylindrical body made of a conductor; a pressure receiver made of a conductor, the pressure receiver being mounted to one end side of the body and receiving pressure from the outside; a signal generator arranged inside the body, the signal generator being electrically connected to the pressure receiver and generating a signal corresponding to the pressure received by the pressure receiver; and a cover made of an insulator with a lower thermal conductivity than thermal conductivities of the body and the pressure receiver, the cover continuously covering an outer surface of the pressure receiver and a portion of an outer surface of the body, the portion being located at a side closer to the pressure receiver.
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公开(公告)号：US20160208761A1
公开(公告)日：2016-07-21
申请号：US14915444
申请日：2014-07-23
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Masakatsu NAGAI , Shigeyuki URANO , Keisuke SASAKI , Rui ONODA
CPC classification number: F02N11/04 , B60K6/387 , B60K6/48 , B60K6/54 , B60K6/547 , B60W10/06 , B60W10/08 , B60W20/00 , B60W20/40 , B60W2510/0685 , B60Y2300/48 , F02D29/02 , F02D35/023 , F02D45/00 , F02N11/00 , F02N11/08 , F02N11/0818 , F02N15/022 , F02N99/006 , F02N2200/023 , F02N2300/104 , F02P5/15 , F02P5/1506 , Y02T10/48 , Y02T10/6221 , Y02T10/6286
Abstract: An internal combustion engine is provided that executes fuel injection and ignition with respect to a cylinder that remains stopped in an expansion stroke, and that performs ignition startup that starts up the internal combustion engine by rotationally driving a crankshaft by pressure of combustion accompanying the fuel injection. A motor generator (MG) that can rotationally drive the crankshaft is provided. A required assist torque Ast_trq exerted by the MG at the time of ignition startup is determined based on a maximum value Cyl_prss of an in-cylinder pressure that is detected by an in-cylinder pressure sensor at the time of ignition startup. The MG is controlled at the time of ignition startup based on the required assist torque Ast_trq that is determined.
Abstract translation: 提供一种内燃机，其相对于在膨胀冲程中保持停止的气缸执行燃料喷射和点火，并且执行点火启动，其通过伴随燃料喷射的燃烧压力旋转驱动曲轴来启动内燃机 。 提供可旋转地驱动曲轴的电动发电机（MG）。 基于在点火启动时由缸内压力传感器检测到的缸内压力的最大值Cyl_prss来确定在点火启动时由MG施加的所需辅助扭矩Ast_trq。 基于确定的所需辅助转矩Ast_trq，在点火启动时控制MG。
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