Patents by Inventor Kohei Tsuda
Kohei Tsuda 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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Publication number: 20240083238Abstract: A control device that controls an internal combustion engine, a first rotary electric machine, a first engagement device, and a second engagement device performing first transition control when transition is performed from a first mode to a second mode. The first transition control includes first control, second control, and third control. The first control is control in which the second engagement device that connects and disconnects power transmission between two rotary elements selected from among three rotary elements of a distribution differential gear mechanism is changed from an engaged state to a disengaged state while a third engagement device of a transmission mechanism is maintained in an engaged state. The second control controls a rotational speed of the first rotary element to is changed from a disengaged state to an engaged state and the internal combustion engine is started by using drive power transmitted from the first rotary electric.Type: ApplicationFiled: March 9, 2022Publication date: March 14, 2024Applicant: AISIN CORPORATIONInventors: Keiichirou KUSABE, Kohei TSUDA, Bumpei NAKAYA
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Publication number: 20230391316Abstract: A distribution differential gear mechanism includes a first rotation element drivingly connected to input member, a second rotation element drivingly connected to output member, and a third rotation element drivingly connected to rotary electric machine.Type: ApplicationFiled: January 20, 2022Publication date: December 7, 2023Applicant: AISIN CORPORATIONInventors: Keiichirou KUSABE, Kohei TSUDA, Bumpei NAKAYA
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Patent number: 11807104Abstract: A vehicle drive device includes a first drive unit that drives first wheels; a second drive unit that drives second wheels; and a control device. When the state of charge of an electrical storage device is less than a first threshold value and a vehicle speed is less than a second threshold value, the control device performs control such that when the vehicle speed is greater than or equal to zero and required drive power is greater than or equal to zero, the operating mode of the first drive unit is set to a second mode to output the required drive power from the second drive unit, and when the vehicle speed is greater than zero and the required drive power is less than zero, the operating mode of the first drive unit is set to a first mode so the first drive power source can generate electric power.Type: GrantFiled: May 28, 2021Date of Patent: November 7, 2023Assignee: AISIN CORPORATIONInventors: Kohei Tsuda, Keiichirou Kusabe, Bumpei Nakaya, Yasuhiro Matsumura
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Publication number: 20230112389Abstract: A vehicle drive device includes a first drive unit that drives first wheels; a second drive unit that drives second wheels; and a control device. When the state of charge of an electrical storage device is less than a first threshold value and a vehicle speed is less than a second threshold value, the control device performs control such that when the vehicle speed is greater than or equal to zero and required drive power is greater than or equal to zero, the operating mode of the first drive unit is set to a second mode to output the required drive power from the second drive unit, and when the vehicle speed is greater than zero and the required drive power is less than zero, the operating mode of the first drive unit is set to a first mode so the first drive power source can generate electric power.Type: ApplicationFiled: May 28, 2021Publication date: April 13, 2023Applicant: AISIN CORPORATIONInventors: Kohei TSUDA, Keiichirou KUSABE, Bumpei NAKAYA, Yasuhiro MATSUMURA
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Publication number: 20230114911Abstract: When it is determined that predicted required drive power (Tf) which is drive power predicted to be required for a vehicle is greater than a first threshold value (TH1) set within a range of drive power that can be outputted in a second mode, or when actual required drive power (Ta) is greater than the first threshold value (TH1), a control device (10) sets an operating mode to a first mode in which a first engagement device (CL1) is brought into an engaged state and a second engagement device (CL2) is brought into a disengaged state, to control a rotating electrical machine (MG1) and an internal combustion engine (EG) to output the actual required drive power (Ta). In other cases, the control device (10) sets the operating mode to the second mode in which the first engagement device (CLl) is brought into a disengaged state and the second engagement device (CL2) is brought into an engaged state, to control the rotating electrical machine (MGl) to output the actual required drive power (Ta).Type: ApplicationFiled: June 9, 2021Publication date: April 13, 2023Applicant: AISIN CORPORATIONInventors: Kohei TSUDA, Keiichirou KUSABE, Bumpei NAKAYA, Yasuhiro MATSUMURA
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Patent number: 11407303Abstract: A control device with an electronic control unit that is configured to perform specific supply control, the specific supply control driving at least one of the rotating electrical machine and the internal combustion engine in a neutral state, and supplying hydraulic pressure to an engagement operating part of a target engagement device with at least one of the rotating electrical machine and the internal combustion engine being driven, the automatic transmission not transmitting power in the neutral state, and the target engagement device being one of the plurality of transmission engagement devices.Type: GrantFiled: July 17, 2018Date of Patent: August 9, 2022Assignee: AISIN CORPORATIONInventors: Tomohiro Onouchi, Kohei Tsuda, Yuki Nagano
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Publication number: 20220005074Abstract: An information processing device according to the present disclosure includes a processor having hardware. The processor extracts an area that a user has passed based on location information of a device that moves with the user, acquires donation information of the extracted area, to create guidance information including the acquired donation information, and displays the guidance information on a user terminal of the user.Type: ApplicationFiled: June 30, 2021Publication date: January 6, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuyuki INOUE, Kuniaki JINNAI, Kenichiro FUJIMORI, Kohei TSUDA, Noriaki MOCHIDA, Shuhei OCHIAI, Satoru SAKAMOTO, Masashi KAMAKURA
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Publication number: 20210312436Abstract: An information processing apparatus includes a processor having hardware. The processor is configured to create distribution information including a privilege according to an area contribution degree in a visit area at a first distance or more from a residential area of a user based on an activity history of the user and displays the distribution information on a user terminal of the user.Type: ApplicationFiled: March 18, 2021Publication date: October 7, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuyuki INOUE, Kuniaki JINNAI, Kenichiro FUJIMORI, Kohei TSUDA, Noriaki MOCHIDA, Shuhei OCHIAI, Satoru SAKAMOTO, Masashi KAMAKURA
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Publication number: 20210312544Abstract: An information processing apparatus includes a processor having hardware. The processor is configured to calculate a total score of a borrower who desires to use a lending service, based on a use record score determined by a use record of the borrower in the lending service and a credibility score determined by a payment record of each settlement means, output the total score of the borrower to a terminal of the lender, and output a lending permission and inhibition result to a terminal of the borrower according to response information acquired from the terminal of the lender.Type: ApplicationFiled: March 26, 2021Publication date: October 7, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuyuki INOUE, Kuniaki JINNAI, Kenichiro FUJIMORI, Kohei TSUDA, Noriaki MOCHIDA, Shuhei OCHIAI, Satoru SAKAMOTO, Masashi KAMAKURA
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Publication number: 20210146769Abstract: A control device with an electronic control unit that is configured to perform specific supply control, the specific supply control driving at least one of the rotating electrical machine and the internal combustion engine in a neutral state, and supplying hydraulic pressure to an engagement operating part of a target engagement device with at least one of the rotating electrical machine and the internal combustion engine being driven, the automatic transmission not transmitting power in the neutral state, and the target engagement device being one of the plurality of transmission engagement devices.Type: ApplicationFiled: July 17, 2018Publication date: May 20, 2021Applicant: AISIN AW CO., LTD.Inventors: Tomohiro ONOUCHI, Kohei TSUDA, Yuki NAGANO
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Publication number: 20200023726Abstract: A control device that controls a vehicle drive device in which an engagement device, a rotating electrical machine, and an automatic transmission are arranged in this order from an input side on a power transmission path connecting an input drivingly coupled to an internal combustion engine and an output drivingly coupled to a wheel, the control device including: an electronic control unit configured to operate when starting of the internal combustion engine and downshifting are performed in parallel in a state in which the internal combustion engine is stopped and the engagement device is disengaged so that torque of the rotating electrical machine is transmitted to the wheel.Type: ApplicationFiled: January 12, 2018Publication date: January 23, 2020Applicant: AISIN AW CO., LTD.Inventors: Kohei TSUDA, Takashi YOSHIDA
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Patent number: 10507837Abstract: A control device that controls a vehicle drive transfer device in which a speed change device that includes a plurality of engagement devices and that selectively establishes one of a plurality of shift speeds with different speed ratios in accordance with a state of engagement of the plurality of engagement devices is provided in a power transfer path that connects between a drive force source and wheels.Type: GrantFiled: December 25, 2015Date of Patent: December 17, 2019Assignee: AISIN AW CO., LTD.Inventors: Shoichi Ishida, Kohei Tsuda, Keiichirou Kusabe
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Patent number: 10414403Abstract: A control device that controls a vehicle drive device in which an input member, an engagement device, a shift input member, a transmission device, and an output member are disposed in this order on a power transmission path connecting an internal combustion engine and wheels, the control device includes an electronic control unit.Type: GrantFiled: September 8, 2016Date of Patent: September 17, 2019Assignee: AISIN AW CO., LTD.Inventors: Kohei Tsuda, Shoichi Ishida, Norihiro Muto
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Patent number: 10363807Abstract: A control device for performing start assist control for an internal combustion engine includes: a first start assist processing unit that executes a first start assist process that brings a first engagement device into slip engagement at a first engagement pressure while increasing a torque generated by a rotating electrical machine; and a second start assist processing unit that increases, when the first start assist process fails to start the internal combustion engine, an engagement pressure of the first engagement device to a second engagement pressure higher than the first engagement pressure while increasing the torque generated by the rotating electrical machine. The second start assist processing unit determines the second engagement pressure on the basis of a rotational speed of the internal combustion engine in the first start assist process.Type: GrantFiled: March 18, 2016Date of Patent: July 30, 2019Assignee: AISIN AW CO., LTD.Inventors: Hirokazu Kobayashi, Takashi Yoshida, Kohei Tsuda
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Patent number: 10322715Abstract: A control device that includes an electronic control unit that is configured to, in a case where a request to start the internal combustion engine is made while a downshift for changing a speed ratio of the speed change device so that the speed ratio after shifting is higher than the speed ratio before shifting is being performed in the electric drive state, perform the first start control after the downshift is completed.Type: GrantFiled: March 30, 2016Date of Patent: June 18, 2019Assignee: AISIN AW CO., LTD.Inventors: Kohei Tsuda, Takashi Yoshida, Nao Katagiri
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Patent number: 10300908Abstract: A control device that includes an electronic control unit that causes a rotational speed of the rotating electric machine to change according to a predetermined first change pattern after the rotational speed of the rotating electric machine changes from a pre-shifting synchronous rotational speed in association with progress of the shifting operation until reaching a first synchronous range that is determined on the basis of a rotational speed of the internal combustion engine, the pre-shifting synchronous rotational speed being the rotational speed of the rotating electric machine in a shift speed established before the shifting operation is started.Type: GrantFiled: March 29, 2016Date of Patent: May 28, 2019Assignee: AISIN AW CO., LTD.Inventors: Shoichi Ishida, Kohei Tsuda, Keiichirou Kusabe
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Patent number: 10279795Abstract: A control device for controlling a vehicle drive system in which a first engagement device, a rotating electric machine, and a second engagement device are provided in a power transfer path connecting an internal combustion engine to wheels and are arranged sequentially from an internal combustion engine side, the control device including an electronic control unit.Type: GrantFiled: March 31, 2016Date of Patent: May 7, 2019Assignee: AISIN AW CO., LTD.Inventors: Kohei Tsuda, Takashi Yoshida
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Publication number: 20190039602Abstract: A control device for controlling a vehicle drive device, as a control target, including a transfer clutch device, a rotary electric machine, and a transmission device that includes a plurality of shift clutch devices of which states of engagement are controlled in a shifting operation, on a power transfer path connecting an internal combustion engine to a wheel, the control device including an electronic control unit.Type: ApplicationFiled: September 30, 2016Publication date: February 7, 2019Applicant: AISIN AW CO., LTD.Inventors: Keiichirou KUSABE, Kohei TSUDA, Tomohiro ONOUCHI
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Publication number: 20180208047Abstract: A control device that controls a vehicle drive transmission device including a speed change device disposed on a power transmission path connecting an internal combustion engine and wheels, and an engagement device disposed between the internal combustion engine and the speed change device, the control device including an electronic control unit.Type: ApplicationFiled: September 8, 2016Publication date: July 26, 2018Applicant: AISIN AW CO., LTD.Inventors: Shoichi ISHIDA, Kohei TSUDA, Norihiro MUTO
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Publication number: 20180208202Abstract: To avoid occurrence of difference in level of torque in a case where direction of relative rotation between internal combustion engine and rotary electric machine is reversed, in starting internal combustion engine with shift clutch device brought into direct engagement state. Control device controls vehicle drive device including transfer clutch device, rotary electric machine, and transmission device each disposed on power transfer path connecting internal combustion engine to wheels.Type: ApplicationFiled: September 8, 2016Publication date: July 26, 2018Applicant: AISIN AW CO., LTD.Inventors: Hirokazu KOBAYASHI, Kohei TSUDA, Keiichirou KUSABE, Takashi YOSHIDA