-
公开(公告)号：US20240200501A1
公开(公告)日：2024-06-20
申请号：US18542049
申请日：2023-12-15
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuto IKEDA , Koji UMEZAWA , Makoto YAMAZAKI
CPC classification number: F02D41/0027 , F02D19/021 , F02D41/0002 , F02D41/30 , F02D43/04
Abstract: A first condition is set to such a condition of a fuel injection amount of a fuel injection valve and an opening degree of a throttle valve that an air excess ratio in a cylinder becomes greater than or equal to a prescribed value set as a value greater than 1.2 while satisfying a target output of an internal combustion engine. A second condition is set to such a condition of the fuel injection amount and the opening degree of the throttle valve that the air excess ratio in the cylinder becomes 1 or less while satisfying the target output of the internal combustion engine. A controller of the internal combustion engine is configured to obtain the first and second operating conditions that correspond to the target output, and select one of the operating conditions in accordance with the operating situation of the internal combustion engine.
-
公开(公告)号：US20230323832A1
公开(公告)日：2023-10-12
申请号：US18194534
申请日：2023-03-31
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuto IKEDA , Masanao IDOGAWA , Takahiro UCHIDA
CPC classification number: F02D41/402 , F02D2041/389 , F02D41/0087 , F02D41/3094
Abstract: A controller is configured to control an internal combustion engine. The internal combustion engine can execute port injection and direct injection and can execute a deactivating process that stops supplying fuel to at least one of cylinders and supplies fuel to the remaining cylinders. The controller is configured to execute, when terminating the deactivating process to restart supplying fuel to a deactivated cylinder in which supply of fuel is stopped, a retarding process that executes a first fuel injection through the direct injection and retards a fuel injection start timing as compared to when executing the port injection.
-
公开(公告)号：US20220333543A1
公开(公告)日：2022-10-20
申请号：US17713241
申请日：2022-04-05
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Takanobu GOTOH
Abstract: A control apparatus for an internal combustion engine performs a first acquisition process for acquiring a first index value corresponding to an integrated amount of intake air during a performance of the fuel cutoff process, and a cancellation process for cancelling the fuel cutoff process when the first index value becomes equal to or larger than a first predetermined value during the performance of the fuel cutoff process. Besides, the control apparatus performs a second acquisition process for acquiring a second index value corresponding to an elapsed time from the end of the fuel cutoff process to the subsequent start of the fuel cutoff process, and a change process for making the first predetermined value smaller when the second index value is small in starting the fuel cutoff process than when the second index value is large in starting the fuel cutoff process.
-
公开(公告)号：US20220242389A1
公开(公告)日：2022-08-04
申请号：US17583718
申请日：2022-01-25
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Takanobu GOTOH
Abstract: An ENG-ECU performs a specific cylinder fuel cutoff process of stopping combustion of an air-fuel mixture in some cylinders out of a plurality of cylinders of an internal combustion engine and a transmission process of transmitting engine operation information on execution of the specific cylinder fuel cutoff process to an HV-ECU. The HV-ECU performs a torque compensation process of compensating for a decrease in engine torque due to execution of the specific cylinder fuel cutoff process using an output torque of a second MG based on the received engine operation information. The ENG-ECU performs a process of starting the specific cylinder fuel cutoff process in a combustion cycle when a waiting time which includes a time until the HV-ECU receives the engine operation information has elapsed after the transmission process has been performed.
-
公开(公告)号：US20210088008A1
公开(公告)日：2021-03-25
申请号：US17113244
申请日：2020-12-07
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Eiji IKUTA , Yuki NOSE , Yuto IKEDA , Keiichi MYOJO , Yoshiyuki SHOGENJI , Hirokazu ANDO
Abstract: A controller executes a fuel introduction process when stopping combustion in a cylinder under a situation in which a crankshaft is rotating. The fuel introduction process causes a fuel injection valve to inject fuel and causes the fuel to flow out unburned from inside the cylinder to an exhaust passage. The opening degree of an exhaust gas recirculation valve at a point in time when a state in which the execution condition of the fuel introduction process is not satisfied is switched to a state in which the execution condition of the fuel introduction process is satisfied is a preliminary opening degree. During the execution of the fuel introduction process, the recirculation valve controlling section causes the opening degree of the exhaust gas recirculation valve to be smaller than the preliminary opening degree.
-
Patent Agency Ranking
公开(公告)号：US20230119192A1
公开(公告)日：2023-04-20
申请号：US17932672
申请日：2022-09-16
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Yasuyuki TAKAMA
Abstract: A CPU prompts a user to drive a vehicle to a repair shop by operating a display when an amount of PM deposited in a GPF increases. When a regeneration request for the GPF is input from a shop-side terminal in the repair shop, the CPU performs a regeneration process in a state in which the vehicle stops. The CPU controls a temperature of the GPF such that the temperature at the time of execution of the regeneration process becomes lower when an opening/closing member is in a closed state than when the opening/closing member is in an open state.
-
公开(公告)号：US20220307437A1
公开(公告)日：2022-09-29
申请号：US17702791
申请日：2022-03-24
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Takanobu GOTOH
Abstract: A CPU of a control device is configured to perform a specific cylinder fuel cutoff process of causing an internal combustion engine to operate such that supply of fuel to some cylinders out of a plurality of cylinders is stopped and supply of fuel to the other cylinders is maintained and a fastening force decreasing process of decreasing a fastening force of a lockup clutch of a torque converter. The CPU is configured to start the specific cylinder fuel cutoff process in a state in which the fastening force has been decreased through the fastening force decreasing process when the specific cylinder fuel cutoff process is performed in a state in which the internal combustion engine operates with a load.
-
公开(公告)号：US20220266814A1
公开(公告)日：2022-08-25
申请号：US17674758
申请日：2022-02-17
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Suguru KUMAZAWA , Takanobu GOTOH
Abstract: A controller and a control method for a hybrid electric vehicle are provided. An internal combustion engine and a first rotating electric machine are capable of applying power to a driven wheel via a power split device. A deactivating process deactivates combustion control in a deactivated cylinder that corresponds to one or more of cylinders of the internal combustion engine. A first compensation process sets, when the deactivating process is executed, torque of the first rotating electric machine to be larger than torque of the first rotating electric machine obtained prior to starting the deactivating process so as to compensate for at least some of a decrease amount of torque of the internal combustion engine resulting from the deactivating process.
-
公开(公告)号：US20220235724A1
公开(公告)日：2022-07-28
申请号：US17457520
申请日：2021-12-03
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuki NOSE , Yuto IKEDA , Takanobu GOTOH
Abstract: A controller and a control method for internal combustion engine, and a memory medium are provided. A port injection ratio is changed according to an engine operating state of the internal combustion engine. The port injection ratio is a ratio of a port injection amount that is an amount of fuel injected by port injection valves to an amount of fuel supplied to cylinders from the port injection valves and direct injection valves. An injection reducing process causes a fuel injection amount in a reduced-injection cylinder to be smaller than a fuel injection amount in other cylinders. An increase limiting process limits increases in an adhered fuel amount in intake ports by regulating the port injection ratio during execution of the injection reducing process.
-
公开(公告)号：US20220178287A1
公开(公告)日：2022-06-09
申请号：US17457493
申请日：2021-12-03
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yuto IKEDA , Yuki NOSE , Takanobu GOTOH
Abstract: When a temperature increasing process is performed, a CPU sets a target temperature of a catalyst to be lower when a coolant temperature is low than when the coolant temperature is high. The CPU decreases an increase coefficient of fuel in the temperature increasing process when a value obtained by subtracting an estimated value of a temperature of the catalyst from the target temperature is equal to or less than a first prescribed value.
-
-
-
-
-
-
-
-
-
Search Results
35
records
(took 0.019 seconds)
