Patents by Inventor Koichiro Shinozaki
Koichiro Shinozaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10882390Abstract: Provided is a vehicle in which an internal combustion engine can be suitably assisted by a rotating electrical machine. The vehicle is provided with an internal combustion engine, a rotating electrical machine, a transmission, a clutch placed between the transmission and the combination of the internal combustion engine and rotating electrical machine, and a motive power control device that controls the motive power of the internal combustion engine and the rotating electrical machine. The motive power control device calculates additional motive power for the rotating electrical machine on the basis of the difference between the motive-power-transmitting capacity of the clutch and the motive power of the internal combustion engine.Type: GrantFiled: May 19, 2017Date of Patent: January 5, 2021Assignee: Honda Motor Co., Ltd.Inventors: Atsuki Iwamitsu, Mitsuo Muraoka, Hisashi Ito, Yoshinori Ando, Koichiro Shinozaki
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Patent number: 10711724Abstract: A control apparatus for an internal combustion engine includes circuitry configured to control a fuel injector of the internal combustion engine to stop injecting fuel to reduce torque generated by the internal combustion engine during upshift. The circuitry is to acquire a target injection amount parameter corresponding to a target injection amount of the fuel to be injected by the fuel injector to operate the internal combustion engine based on an operation state parameter corresponding to an operation state of the internal combustion engine. The circuitry is to acquire a minimum injectable amount parameter corresponding to a minimum injectable amount of the fuel injectable from the fuel injector. The circuitry is to control the fuel injector to start injecting the fuel when the minimum injectable amount parameter exceeds the target injection amount parameter while the fuel injector is controlled to stop injecting the fuel during the upshift.Type: GrantFiled: January 23, 2017Date of Patent: July 14, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Takeuchi, Yosuke Naito, Koichiro Shinozaki
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Patent number: 10677201Abstract: An internal EGR amount calculation device for an internal combustion engine, which is capable of properly and easily calculating an internal EGR amount according to the change in the valve timing and enhancing the calculation accuracy of the internal EGR amount. The device includes an ECU. The ECU calculates an amount of burned gases remaining in a cylinder when the valve timing is predetermined reference timing, as a reference internal EGR amount. The ECU calculates a change in the amount of burned gases flowing into or out of the cylinder with respect to the amount of burned gases flowing into or out of the cylinder when the valve timing is the predetermined reference timing, as an internal EGR increase/decrease amount. Then, the ECU calculates the internal EGR amount by adding the internal EGR increase/decrease amount to the reference internal EGR amount.Type: GrantFiled: June 27, 2013Date of Patent: June 9, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Publication number: 20200121222Abstract: A system including a first sampling portion configured to sample inhalation gas made up of a first gaseous mixture, a second sampling portion configured to sample exhalation gas made up of a second gaseous mixture, a gas analyzer configured to measure gas concentrations, a switching valve that controls flow of the sampled inhalation gas and the sampled exhalation gas to the gas analyzer so as to alternately measure concentration of gaseous components within the first and second gaseous mixtures, a humidity control system that maintains humidity within the first and second gaseous mixtures to a predetermined humidity level, and a calculation section configured to calculate concentration differences of the gaseous components between the first and second gaseous mixtures.Type: ApplicationFiled: October 17, 2019Publication date: April 23, 2020Inventors: Lance Becker, Josh Lampe, Koichiro Shinozaki, Kota Saeki, Steve Weisner, Shinji Yamamori
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Publication number: 20190184808Abstract: Provided is a vehicle in which an internal combustion engine can be suitably assisted by a rotating electrical machine. The vehicle is provided with an internal combustion engine, a rotating electrical machine, a transmission, a clutch placed between the transmission and the combination of the internal combustion engine and rotating electrical machine, and a motive power control device that controls the motive power of the internal combustion engine and the rotating electrical machine. The motive power control device calculates additional motive power for the rotating electrical machine on the basis of the difference between the motive-power-transmitting capacity of the clutch and the motive power of the internal combustion engine.Type: ApplicationFiled: May 19, 2017Publication date: June 20, 2019Applicant: Honda Motor Co., Ltd.Inventors: Atsuki IWAMITSU, Mitsuo MURAOKA, Hisashi ITO, Yoshinori ANDO, Koichiro SHINOZAKI
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Patent number: 10240563Abstract: A scavenged gas amount calculation device for an internal combustion engine, which is capable of accurately calculating a scavenged gas amount under conditions where scavenged gases are produced during a valve overlap time period, and an internal EGR amount calculation device for the engine, which is capable of calculating an internal EGR amount using the scavenged gas amount thus calculated. The internal EGR amount calculation device includes an ECU. The ECU calculates a basic blown-back gas amount using an average intake pressure, a maximum exhaust pressure, and a correction coefficient (step 6), calculates a scavenged gas amount using the average intake pressure, a minimum exhaust pressure, and a scavenge ratio (step 8), calculates a blown-back gas amount by correcting the basic blown-back gas amount by the scavenged gas amount (step 11), and calculates the internal EGR amount according to the blown-back gas amount (step 12).Type: GrantFiled: July 15, 2013Date of Patent: March 26, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Patent number: 10221804Abstract: A fuel injection control device for an internal combustion engine, includes a fuel pressure sensor and circuitry. The fuel pressure sensor detects an actual fuel pressure of the fuel supplied to a cylinder fuel injection valve. The circuitry calculates a demanded amount of the fuel supplied to the internal combustion engine. The circuitry calculates a cylinder injection amount of fuel injected from the cylinder fuel injection valve. The circuitry corrects the cylinder injection amount to decrease in accordance with a degree of drop in the actual fuel pressure comparing to a target fuel pressure of the fuel supplied to the cylinder fuel injection valve such that fuel injection from the cylinder fuel injection valve ends by a target injection end timing. The circuitry calculates a port injection amount of the fuel injected from a port fuel injection valve based on the demanded fuel amount and the corrected cylinder injection amount.Type: GrantFiled: January 25, 2017Date of Patent: March 5, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Yuichi Masukake, Koichiro Shinozaki, Nobuyuki Fujioka
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Patent number: 10196055Abstract: A power control device of a vehicle disallows generation of additional power of rotating electrical machines when power of an internal combustion engine is transmitted to a transmission via a clutch and an amount of operation of an accelerator pedal is lower than an operation threshold value. The power control device allows generation of additional power of the rotating electrical machines when power of the internal combustion engine is transmitted to the transmission via the clutch and the amount of operation of an accelerator pedal is higher than the operation threshold value.Type: GrantFiled: May 19, 2017Date of Patent: February 5, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Atsuki Iwamitsu, Mitsuo Muraoka, Yoshinori Ando, Hisashi Ito, Koichiro Shinozaki
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Patent number: 10189345Abstract: In a vehicle, a first rotating electrical machine, is connected to first wheels via a clutch, and second rotating electrical machines are connected to second wheels or the first wheels without going through the clutch. A power control device allocates electric power to the second rotating electrical machines with higher priority over the first rotating electrical machine when adding additional power to power of an internal combustion engine, thereby generating power of the second rotating electrical machines with higher priority over power of the first rotating electrical machine.Type: GrantFiled: May 19, 2017Date of Patent: January 29, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Atsuki Iwamitsu, Mitsuo Muraoka, Yoshinori Ando, Hisashi Ito, Koichiro Shinozaki
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Patent number: 10151255Abstract: A control device for an internal-combustion engine includes circuitry. The circuitry is configured to calculate, in accordance with an operating state of the internal-combustion engine, a basic supercharging pressure of intake gas generated by a supercharger provided in the internal-combustion engine. The circuitry is configured to acquire a flow rate change state parameter that correlates with a change state of the flow rate of the intake gas controlled by a flow rate control mechanism provided in the internal-combustion engine. The circuitry is configured to calculate a correction value in accordance with the flow rate change state parameter. The circuitry is configured to calculate an estimated supercharging pressure of the intake gas by correcting the basic supercharging pressure with the correction value. The circuitry is configured to control operation of the internal-combustion engine using the estimated supercharging pressure.Type: GrantFiled: January 16, 2017Date of Patent: December 11, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Takeuchi, Koichiro Shinozaki
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Patent number: 10132274Abstract: An internal EGR amount calculation device for an internal combustion engine, which, even when a timing position relationship between a valve overlap period and an exhaust top dead center has changed, can properly calculate an internal EGR amount according to the change and can improve a calculation accuracy of the internal EGR amount. The internal EGR amount calculation device for an internal combustion engine includes an ECU. The ECU calculates a basic blow back gas amount, calculates a crank angle position in the center between the starting point and the ending point of the valve overlap period as an overlap center position, calculates a blow back gas amount by correcting the basic blow back gas amount according to the overlap center position, and calculates the internal EGR amount, using the calculated blow back gas amount.Type: GrantFiled: June 4, 2013Date of Patent: November 20, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Publication number: 20170334281Abstract: In a vehicle, a first rotating electrical machine, is connected to first wheels via a clutch, and second rotating electrical machines are connected to second wheels or the first wheels without going through the clutch. A power control device allocates electric power to the second rotating electrical machines with higher priority over the first rotating electrical machine when adding additional power to power of an internal combustion engine, thereby generating power of the second rotating electrical machines with higher priority over power of the first rotating electrical machine.Type: ApplicationFiled: May 19, 2017Publication date: November 23, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Atsuki Iwamitsu, Mitsuo Muraoka, Yoshinori Ando, Hisashi Ito, Koichiro Shinozaki
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Publication number: 20170334434Abstract: A power control device of a vehicle disallows generation of additional power of rotating electrical machines when power of an internal combustion engine is transmitted to a transmission via a clutch and an amount of operation of an accelerator pedal is lower than an operation threshold value. The power control device allows generation of additional power of the rotating electrical machines when power of the internal combustion engine is transmitted to the transmission via the clutch and the amount of operation of an accelerator pedal is higher than the operation threshold value.Type: ApplicationFiled: May 19, 2017Publication date: November 23, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Atsuki Iwamitsu, Mitsuo Muraoka, Yoshinori Ando, Hisashi Ito, Koichiro Shinozaki
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Publication number: 20170226952Abstract: A control apparatus for an internal combustion engine includes circuitry configured to control a fuel injector of the internal combustion engine to stop injecting fuel to reduce torque generated by the internal combustion engine during upshift. The circuitry is to acquire a target injection amount parameter corresponding to a target injection amount of the fuel to be injected by the fuel injector to operate the internal combustion engine based on an operation state parameter corresponding to an operation state of the internal combustion engine. The circuitry is to acquire a minimum injectable amount parameter corresponding to a minimum injectable amount of the fuel injectable from the fuel injector. The circuitry is to control the fuel injector to start injecting the fuel when the minimum injectable amount parameter exceeds the target injection amount parameter while the fuel injector is controlled to stop injecting the fuel during the upshift.Type: ApplicationFiled: January 23, 2017Publication date: August 10, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Masahiro TAKEUCHI, Yosuke NAITO, Koichiro SHINOZAKI
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Publication number: 20170226955Abstract: A fuel injection control device for an internal combustion engine, includes a fuel pressure sensor and circuitry. The fuel pressure sensor detects an actual fuel pressure of the fuel supplied to a cylinder fuel injection valve. The circuitry calculates a demanded amount of the fuel supplied to the internal combustion engine. The circuitry calculates a cylinder injection amount of fuel injected from the cylinder fuel injection valve. The circuitry corrects the cylinder injection amount to decrease in accordance with a degree of drop in the actual fuel pressure comparing to a target fuel pressure of the fuel supplied to the cylinder fuel injection valve such that fuel injection from the cylinder fuel injection valve ends by a target injection end timing. The circuitry calculates a port injection amount of the fuel injected from a port fuel injection valve based on the demanded fuel amount and the corrected cylinder injection amount.Type: ApplicationFiled: January 25, 2017Publication date: August 10, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Yuichi MASUKAKE, Koichiro SHINOZAKI, Nobuyuki FUJIOKA
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Publication number: 20170218861Abstract: A control device for an internal-combustion engine includes circuitry. The circuitry is configured to calculate, in accordance with an operating state of the internal-combustion engine, a basic supercharging pressure of intake gas generated by a supercharger provided in the internal-combustion engine. The circuitry is configured to acquire a flow rate change state parameter that correlates with a change state of the flow rate of the intake gas controlled by a flow rate control mechanism provided in the internal-combustion engine. The circuitry is configured to calculate a correction value in accordance with the flow rate change state parameter. The circuitry is configured to calculate an estimated supercharging pressure of the intake gas by correcting the basic supercharging pressure with the correction value. The circuitry is configured to control operation of the internal-combustion engine using the estimated supercharging pressure.Type: ApplicationFiled: January 16, 2017Publication date: August 3, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Masahiro TAKEUCHI, Koichiro SHINOZAKI
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Patent number: 9366198Abstract: In a malfunction judging method for a fuel feeding apparatus in an internal-combustion engine, a feedback correction value is calculated based on an air-fuel ratio parameter and a predetermined feedback control algorithm. In which region a load parameter exists among a first region in which only a first fuel feeding apparatus is used, a second region in which only a second fuel feeding apparatus is used, and a third region other than the first region and the second region is determined. The feedback correction value calculated in a case where the load parameter exists in the first region is determined as a first learned value using a predetermined first learning method. The feedback correction value calculated in a case where the load parameter exists in the second region is determined as a second learned value using a predetermined second learning method.Type: GrantFiled: January 15, 2015Date of Patent: June 14, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Atsushi Izumiura, Koichiro Shinozaki, Takahide Mizuno, Kentaro Onuma, Yuichi Masukake
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Publication number: 20150198107Abstract: In a malfunction judging method for a fuel feeding apparatus in an internal-combustion engine, a feedback correction value is calculated based on an air-fuel ratio parameter and a predetermined feedback control algorithm. In which region a load parameter exists among a first region in which only a first fuel feeding apparatus is used, a second region in which only a second fuel feeding apparatus is used, and a third region other than the first region and the second region is determined. The feedback correction value calculated in a case where the load parameter exists in the first region is determined as a first learned value using a predetermined first learning method. The feedback correction value calculated in a case where the load parameter exists in the second region is determined as a second learned value using a predetermined second learning method.Type: ApplicationFiled: January 15, 2015Publication date: July 16, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Atsushi IZUMIURA, Koichiro SHINOZAKI, Takahide MIZUNO, Kentaro ONUMA, Yuichi MASUKAKE
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Publication number: 20140020656Abstract: A scavenged gas amount calculation device for an internal combustion engine, which is capable of accurately calculating a scavenged gas amount under conditions where scavenged gases are produced during a valve overlap time period, and an internal EGR amount calculation device for the engine, which is capable of calculating an internal EGR amount using the scavenged gas amount thus calculated. The internal EGR amount calculation device includes an ECU. The ECU calculates a basic blown-back gas amount using an average intake pressure, a maximum exhaust pressure, and a correction coefficient (step 6), calculates a scavenged gas amount using the average intake pressure, a minimum exhaust pressure, and a scavenge ratio (step 8), calculates a blown-back gas amount by correcting the basic blown-back gas amount by the scavenged gas amount (step 11), and calculates the internal EGR amount according to the blown-back gas amount (step 12).Type: ApplicationFiled: July 15, 2013Publication date: January 23, 2014Inventors: Yosuke KOSAKA, Koichiro SHINOZAKI
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Publication number: 20140007854Abstract: An internal EGR amount calculation device for an internal combustion engine, which is capable of properly and easily calculating an internal EGR amount according to the change in the valve timing and enhancing the calculation accuracy of the internal EGR amount. The device includes an ECU. The ECU calculates an amount of burned gases remaining in a cylinder when the valve timing is predetermined reference timing, as a reference internal EGR amount. The ECU calculates a change in the amount of burned gases flowing into or out of the cylinder with respect to the amount of burned gases flowing into or out of the cylinder when the valve timing is the predetermined reference timing, as an internal EGR increase/decrease amount. Then, the ECU calculates the internal EGR amount by adding the internal EGR increase/decrease amount to the reference internal EGR amount.Type: ApplicationFiled: June 27, 2013Publication date: January 9, 2014Inventors: Yosuke KOSAKA, Koichiro SHINOZAKI