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).
-
Publication number: 20220290749Abstract: A vehicle drive device is provided that can suppress the increase in dimension in the radial direction while ensuring a sufficient speed reduction ratio. Two driving force sources are arranged on a first axis, two output members are arranged on a second axis, two counter gear mechanisms are arranged on a third axis. A planetary gear mechanism is configured to transmit rotation from the two counter gear mechanisms to the output members, and is disposed so as to overlap with both of the two counter gear mechanisms as seen in an axial direction along and axial direction.Type: ApplicationFiled: August 28, 2020Publication date: September 15, 2022Applicants: AISIN CORPORATION, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Toshihisa MIZUTANI, Kenta KATAOKA, Taiki OWARI, Hiroaki OSANAI, Daiki SUYAMA, Hiroshi KATO, Yuki YANAGIHARA, Naoki TAKAHASHI, Kiminobu TERAO, Takuya OGASAWARA, Yosuke MORIMOTO
-
Patent number: 11407301Abstract: A first case portion includes an end wall portion disposed on a first axial side with respect to a transmission. A second case portion is disposed on the first axial side with respect to a rotor of a rotary electric machine, and includes a first support portion that supports a rotor shaft and a second support portion disposed on a second axial side with respect to the rotor of the rotary electric machine to support the rotor shaft. The second support portion includes a bearing attachment portion to which a rotor bearing for supporting the rotor shaft is attached, and radially extending portion that extends from bearing attachment portion toward an outer side in a radial direction. A speed reducer is disposed between the radially extending portion and the end wall portion in axial direction to face the radially extending portion and the end wall portion in the axial direction.Type: GrantFiled: January 17, 2020Date of Patent: August 9, 2022Assignee: AISIN CORPORATIONInventors: Hiroshi Kato, Daiki Suyama, Takuyo Maeda, Keita Inda, Kohei Ono, Toshihisa Mizutani, Ryosuke Muramatsu, Wataru Takaki, Tetsuro Kobayashi
-
Patent number: 11318834Abstract: 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: GrantFiled: September 28, 2018Date of Patent: May 3, 2022Assignee: AISIN CORPORATIONInventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi
-
Patent number: 11241947Abstract: 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: GrantFiled: October 12, 2018Date of Patent: February 8, 2022Assignee: AISIN CORPORATIONInventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka
-
Publication number: 20210402867Abstract: A first case portion includes an end wall portion disposed on a first axial side with respect to a transmission. A second case portion is disposed on the first axial side with respect to a rotor of a rotary electric machine, and includes a first support portion that supports a rotor shaft and a second support portion disposed on a second axial side with respect to the rotor of the rotary electric machine to support the rotor shaft. The second support portion includes a bearing attachment portion to which a rotor bearing for supporting the rotor shaft is attached, and radially extending portion that extends from bearing attachment portion toward an outer side in a radial direction. A speed reducer is disposed between the radially extending portion and the end wall portion in axial direction to face the radially extending portion and the end wall portion in the axial direction.Type: ApplicationFiled: January 17, 2020Publication date: December 30, 2021Applicant: Aisin CorporationInventors: Hiroshi KATO, Daiki SUYAMA, Takuyo MAEDA, Keita INDA, Kohei ONO, Toshihisa MIZUTANI, Ryosuke MURAMATSU, Wataru TAKAKI, Tetsuro KOBAYASHI
-
Patent number: 11027616Abstract: 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: GrantFiled: October 12, 2018Date of Patent: June 8, 2021Assignee: AISIN AW CO., LTD.Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi
-
Patent number: 11014455Abstract: 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: GrantFiled: August 24, 2018Date of Patent: May 25, 2021Assignee: AISIN AW CO., LTD.Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi, Koji Ota, Kazuyuki Sasaki, Isao Fujishima
-
Patent number: 11015683Abstract: 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: GrantFiled: October 12, 2018Date of Patent: May 25, 2021Assignee: AISIN AW CO., LTD.Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka
-
Publication number: 20210114467Abstract: 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: ApplicationFiled: October 12, 2018Publication date: April 22, 2021Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
-
Publication number: 20210070158Abstract: 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: ApplicationFiled: October 12, 2018Publication date: March 11, 2021Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA
-
Publication number: 20210062893Abstract: 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: ApplicationFiled: October 12, 2018Publication date: March 4, 2021Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA
-
Patent number: 10895320Abstract: 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: GrantFiled: November 16, 2018Date of Patent: January 19, 2021Assignee: AISIN AW CO., LTD.Inventors: Daiki Suyama, Natsuki Sada, Jun Suzuki
-
Publication number: 20200284338Abstract: 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: ApplicationFiled: November 16, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Natsuki SADA, Jun SUZUKI
-
Publication number: 20200282828Abstract: 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: ApplicationFiled: September 28, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
-
Publication number: 20200215920Abstract: 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: ApplicationFiled: August 24, 2018Publication date: July 9, 2020Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI, Koji OTA, Kazuyuki SASAKI, Isao FUJISHIMA
-
Patent number: 10539071Abstract: 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: GrantFiled: January 11, 2019Date of Patent: January 21, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
-
Publication number: 20190145312Abstract: 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: ApplicationFiled: January 11, 2019Publication date: May 16, 2019Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio IWASE, Daiki SUYAMA, Naoya JINNAI, Kensuke WADA, Yuji INOUE, Yukihiko IDESHIO
-
Patent number: 10267218Abstract: 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: GrantFiled: September 15, 2017Date of Patent: April 23, 2019Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mikio Iwase, Daiki Suyama, Naoya Jinnai, Kensuke Wada, Yuji Inoue, Yukihiko Ideshio
-
Patent number: 10183567Abstract: 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: GrantFiled: March 30, 2015Date of Patent: January 22, 2019Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daiki Suyama, Katsuhiko Hattori, Yukihiko Ideshio
-
Patent number: 9950605Abstract: 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: GrantFiled: July 3, 2015Date of Patent: April 24, 2018Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daiki Suyama, Katsuhiko Hattori, Hikaru Sugiura, Tatsuya Okishima, Yukihiko Ideshio