Patents by Inventor Daiki Suyama

Daiki Suyama 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).

  • Patent number: 11027616
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: June 8, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi
  • Patent number: 11014455
    Abstract: A vehicle drive device that includes a rotating electrical machine that serves as a drive power source for a first wheel and a second wheel; a differential gear device that distributes drive power from the rotating electrical machine to the first wheel and the second wheel; a reduction device that includes a planetary gear mechanism with a sun gear, a carrier, and a ring gear; and a case that accommodates the rotating electrical machine, the differential gear device, and the reduction device.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 25, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi, Koji Ota, Kazuyuki Sasaki, Isao Fujishima
  • Patent number: 11015683
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 25, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka
  • Publication number: 20210114467
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Application
    Filed: October 12, 2018
    Publication date: April 22, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
  • Publication number: 20210070158
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Application
    Filed: October 12, 2018
    Publication date: March 11, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA
  • Publication number: 20210062893
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Application
    Filed: October 12, 2018
    Publication date: March 4, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA
  • Patent number: 10895320
    Abstract: A vehicle drive device including: a first rotary electric machine; a second rotary electric machine; a first coupler drivingly coupled to a first wheel; a second coupler drivingly coupled to a second wheel; a transmission device that transmits torque of the first rotary electric machine to at least the first coupler out of the first coupler and the second coupler, and transmits torque of the second rotary electric machine to at least the second coupler out of the first coupler and the second coupler; and a case that accommodates the first rotary electric machine, the second rotary electric machine, the first coupler, the second coupler, and the transmission device.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: January 19, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Natsuki Sada, Jun Suzuki
  • Publication number: 20200284338
    Abstract: A vehicle drive device including: a first rotary electric machine; a second rotary electric machine; a first coupler drivingly coupled to a first wheel; a second coupler drivingly coupled to a second wheel; a transmission device that transmits torque of the first rotary electric machine to at least the first coupler out of the first coupler and the second coupler, and transmits torque of the second rotary electric machine to at least the second coupler out of the first coupler and the second coupler; and a case that accommodates the first rotary electric machine, the second rotary electric machine, the first coupler, the second coupler, and the transmission device;
    Type: Application
    Filed: November 16, 2018
    Publication date: September 10, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Natsuki SADA, Jun SUZUKI
  • Publication number: 20200282828
    Abstract: A vehicle driving apparatus including: a rotating electrical machine that acts as a source of driving force for a first wheel and a second wheel; a speed reduction device that reduces a speed of rotation of the rotating electrical machine; a differential gear device that distributes, to the first wheel and the second wheel, the driving force transmitted from the rotating electrical machine via the speed reduction device; a case that houses the rotating electrical machine, the speed reduction device, and the differential gear device; and an oil circulator.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 10, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
  • Publication number: 20200215920
    Abstract: A vehicle drive device that includes a rotating electrical machine that serves as a drive power source for a first wheel and a second wheel; a differential gear device that distributes drive power from the rotating electrical machine to the first wheel and the second wheel; a reduction device that includes a planetary gear mechanism with a sun gear, a carrier, and a ring gear; and a case that accommodates the rotating electrical machine, the differential gear device, and the reduction device.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI, Koji OTA, Kazuyuki SASAKI, Isao FUJISHIMA
  • Patent number: 10539071
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: January 21, 2020
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
  • Publication number: 20190145312
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Application
    Filed: January 11, 2019
    Publication date: May 16, 2019
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio IWASE, Daiki SUYAMA, Naoya JINNAI, Kensuke WADA, Yuji INOUE, Yukihiko IDESHIO
  • Patent number: 10267218
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: April 23, 2019
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
  • Patent number: 10183567
    Abstract: A vehicle drive device, wherein the fluid coupling accommodating space is formed between the rotating electrical machine accommodating space and the speed change mechanism accommodating space in an axial direction of the speed change mechanism and is configured such that no oil is supplied to a region around the fluid coupling, the discharge oil passage has an introducing opening that opens to the second oil reservoir, and a lowest end of the introducing opening is located below a lowest end of the rotating electrical machine.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: January 22, 2019
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Suyama, Katsuhiko Hattori, Yukihiko Ideshio
  • Patent number: 9950605
    Abstract: A hybrid driving device that includes a first input that is linked to an internal combustion engine; a rotary electric machine; a transmission that changes a speed of rotation of a second input, and transmits the rotation to an output; a rotor support which rotates integrally with a rotor of the rotary electric machine; a first engagement device; a second engagement device; and a case.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: April 24, 2018
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki Suyama, Katsuhiko Hattori, Hikaru Sugiura, Tatsuya Okishima, Yukihiko Ideshio
  • Patent number: 9878605
    Abstract: A power transmission system (10) for a hybrid vehicle, the power transmission system (10) includes a transmission (TM, 20), a clutch (18), a motor (MG), an engine (14), a first oil pump (44), a second oil pump (68), a first hydraulic circuit in which the first oil pump (44) is provided, and a second hydraulic circuit in which the second oil pump (68) is provided. The motor (MG) is connected to a driving wheel (26) through the transmission (TM, 20). The engine (14) is connected to the motor (MG) through the clutch (28). The first oil pump (44) supplies oil to the transmission (20). The second oil pump (68) supplies oil to the motor (MG) and the clutch (28). The second hydraulic circuit is independent from the first hydraulic circuit. Selected drawing.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: January 30, 2018
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Yuji Inoue, Yukihiko Ideshio, Yousuke Michikoshi, Daiki Suyama, Naoya Jinnai, Kensuke Wada
  • Publication number: 20180003107
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Application
    Filed: September 15, 2017
    Publication date: January 4, 2018
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio IWASE, Daiki SUYAMA, Naoya JINNAI, Kensuke WADA, Yuji INOUE, Yukihiko IDESHIO
  • Patent number: 9797305
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: October 24, 2017
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
  • Publication number: 20170203643
    Abstract: A hybrid driving device that includes a first input that is linked to an internal combustion engine; a rotary electric machine; a transmission that changes a speed of rotation of a second input, and transmits the rotation to an output; a rotor support which rotates integrally with a rotor of the rotary electric machine; a first engagement device; a second engagement device; and a case.
    Type: Application
    Filed: July 3, 2015
    Publication date: July 20, 2017
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki SUYAMA, Katsuhiko HATTORI, Hikaru SUGIURA, Tatsuya OKISHIMA, Yukihiko IDESHIO
  • Patent number: 9695742
    Abstract: A vehicle drive includes a speed change mechanism connected to a rotary electric machine; an output member connected to the speed change mechanism and wheels; an engagement device changes a state of engagement between an input member connected to an engine and the speed change mechanism; a hydraulic pump driven by the engine or the rotary electric machine; a first pressure control device that controls pressure supplied from the pump and supplies the pressure to the speed change mechanism; a second, separate hydraulic pressure control device that controls the pressure supplied from the pump and supplies the pressure to the engagement device; and a case that houses the rotary electric machine, speed change mechanism, engagement device, and pump. At least the engagement device is housed in a space formed by the case, and the second hydraulic pressure control device is provided at a part of the case forming the space.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 4, 2017
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio