Patents by Inventor Satoru Kasuya
Satoru Kasuya 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: 10371254Abstract: A vehicle drive device that includes an input member that is drivingly connected to a driving force source for wheels; a hydraulic transmission device that includes a transmission input member coaxially disposed with the input member and changes a speed of rotation of the transmission input member and transmits the rotation to a transmission output member; a differential gear device that has an axis different from an axis of the input member and distributes a drive force transmitted from the transmission output member to the wheels; a case that houses at least the transmission device and the differential gear device; an electric oil pump that is driven by a pump rotary electric machine; and a hydraulic control device that controls a hydraulic pressure of oil discharged from the electric oil pump and supplies the oil at least to the transmission device.Type: GrantFiled: August 28, 2014Date of Patent: August 6, 2019Assignee: AISIN AW CO., LTD.Inventors: Taisuke Fukui, Satoru Kasuya, Nobukazu Ike, Masashi Kito, Seigo Kano
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Publication number: 20190234492Abstract: A vehicle drive device that includes the rotating electrical machine disposed at such a position that at least a part of the rotating electrical machine overlaps the speed change mechanism as viewed in a radial direction of the rotating electrical machine, and the rotating electrical machine disposed on the first side in the axial direction with respect to the input gear so as to overlap the input gear or a member that rotates with the input gear as viewed in the axial direction.Type: ApplicationFiled: October 31, 2017Publication date: August 1, 2019Applicant: AISIN AW CO., LTD.Inventors: Satoru KASUYA, Hiroshi KATO, Jun SUZUKI
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Patent number: 10160305Abstract: A hybrid drive device includes: a first one-way clutch; a second one-way clutch; a first power transfer path through which power can be transferred from a rotor to wheels; and a second power transfer path which is composed of an engine rotation transfer member, the first one-way clutch, and a coupling member, through which power can be transferred from an internal combustion engine to an oil pump, and which intersects the first power transfer path at an intersection portion. An engagement element, the first one-way clutch, and the second one-way clutch are disposed on one side of the first power transfer path.Type: GrantFiled: December 25, 2014Date of Patent: December 25, 2018Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Yohei Tada
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Patent number: 9945453Abstract: An automatic transmission 20 includes: a Simpson type complex planetary gear train 25 including single pinion type first and second planetary gears 21 and 22 and single pinion type third and fourth planetary gears 23 and 24; first through fourth clutches C1 to C4; and first and second brakes B1 and B2. A first carrier 21c of the first planetary gear 21 is coupled to an input shaft 20i. A first ring gear 21r of the first planetary gear 21 is selectively connected to an output shaft 20o by the first clutch C1.Type: GrantFiled: March 27, 2014Date of Patent: April 17, 2018Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takayoshi Kato, Takashi Morimoto, Toshihiko Aoki, Hiroshi Kato, Satoru Kasuya, Tomochika Inagaki, Minoru Todo, Shinji Oita, Masaru Morise, Terufumi Miyazaki, Yoshio Hasegawa
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Patent number: 9784345Abstract: A transmission device, wherein the compound planetary gear mechanism increases the speed of the power transmitted to the input element and transmits the resultant power to the first and the second output elements when the fixable element is non-rotatably held stationary by the first brake; and the first and the second clutches are disposed on a side closer in the axial direction to the compound planetary gear mechanism than the first and the second planetary gear mechanisms.Type: GrantFiled: September 5, 2014Date of Patent: October 10, 2017Assignee: AISIN AW CO., LTD.Inventors: Nobutada Sugiura, Takashi Morimoto, Toshihiko Aoki, Hiroshi Kato, Satoru Kasuya, Masahiro Otake, Masanori Murakami, Takuya Nakajima
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Patent number: 9739346Abstract: When a fourth sun gear is held stationary so as to be unrotatable, a Ravigneaux type planetary gear mechanism transfers power, which has been transferred from an input shaft to a third carrier, to a third sun gear and a third ring gear with the speed of the power increased such that the rotational speed of the third sun gear is higher than the rotational speed of the third ring gear. A clutch, which corresponds to the third sun gear which rotates at a higher speed than that of the third ring gear, is disposed between the Ravigneaux type planetary gear mechanism and a second planetary gear disposed in proximity to the Ravigneaux type planetary gear mechanism with respect to a first planetary gear.Type: GrantFiled: November 25, 2014Date of Patent: August 22, 2017Assignee: AISIN AW CO., LTD.Inventors: Takayoshi Kato, Takashi Morimoto, Hiroshi Kato, Minoru Todo, Satoru Kasuya
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Patent number: 9677646Abstract: A drive device includes: an oil pump; a first rotation transfer member drivably coupled to the oil pump and driven by at least one of an internal combustion engine and a rotary electric machine; and a second rotation transfer member drivably coupled to wheels and driven by the rotary electric machine. One of the first rotation transfer member and the second rotation transfer member is a pinion. The other rotation transfer member is a carrier that rotatably supports the pinion. The pinion and the carrier are rotated together with each other in the case where the oil pump is driven by the rotary electric machine.Type: GrantFiled: December 25, 2014Date of Patent: June 13, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Yuichi Seki, Hiroki Shintani, Ryosuke Kondo
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Patent number: 9643608Abstract: A vehicular power transmission device that includes a parking gear that is drivingly coupled with wheels; a parking pawl that is capable of meshing or unmeshing with or from the parking gear; a hydraulic pressure actuator that unmeshes the parking pawl from the parking gear when a release hydraulic pressure is supplied; a first oil pump that generates a hydraulic pressure; a second oil pump that generates a hydraulic pressure, the second oil pump having a capacity smaller than the first oil pump; a hydraulic pressure control device that is capable of deriving the release hydraulic pressure from the hydraulic pressure generated by the second oil pump or the hydraulic pressure generated by the first oil pump and supplying the release hydraulic pressure to the hydraulic pressure actuator; and a control unit.Type: GrantFiled: January 27, 2014Date of Patent: May 9, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Yuichi Seki, Makoto Iwanaka
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Patent number: 9644531Abstract: A hybrid drive having a clutch and a rotary electric machine disposed radially outwardly of the clutch so as to at least partially overlap the clutch in an axial direction as seen from a radially outer side, the rotary electric machine having a stator fixed to a case and a rotor coupled to the input member of the automatic transmission device. A clutch lubricating oil hole formed in a center shaft that extends at a center portion of the clutch and the rotary electric machine. A rotary electric machine lubricating oil hole formed in the center shaft. Separation means for separating lubricating oil such that lubricating oil from the clutch lubricating oil hole is led to the clutch and lubricating oil from the rotary electric machine lubricating oil hole is led to the rotary electric machine.Type: GrantFiled: February 8, 2013Date of Patent: May 9, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Yuichi Seki, Hiroki Shintani
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Patent number: 9636990Abstract: A hybrid drive apparatus includes a rotary electric machine including a rotor capable of transmitting driving force to at least a speed change mechanism and a rotor hub that holds the rotor; a clutch; an oil hole that supplies oil from a radial inner side of the clutch toward the clutch; and a partition member disposed with a clearance provided in at least a portion in a circumferential direction between the rotor hub and the partition member on a radial inner side of the rotor hub.Type: GrantFiled: September 27, 2013Date of Patent: May 2, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Yuichi Seki, Muneyuki Tsumura
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Patent number: 9624992Abstract: A control device that controls a vehicle drive device in which a rotary electric machine is provided in a power transfer path that connects between an internal combustion engine and wheels. Engagement of a second engagement device is started when a change in shift range from a stop range to a running range is detected when output torque of the rotary electric machine is zero with the internal combustion engine rotating and with both the first engagement device and the second engagement device disengaged. Engagement of a first engagement device is started after engagement of the second engagement device is started, and the output torque of the rotary electric machine is increased from zero at the same time as engagement of the first engagement device is started or before engagement of the first engagement device is started.Type: GrantFiled: January 17, 2013Date of Patent: April 18, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Shigeru Sugisaka, Yuichi Seki
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Patent number: 9610842Abstract: A vehicle hydraulic pressure supply device that includes a mechanical oil pump driven by a drive force source for wheels; an oil passage constitution member in which an oil passage connected to the mechanical oil pump is formed; and a hydraulic control device that controls a hydraulic pressure supplied from the mechanical oil pump via the oil passage constitution member and that supplies the hydraulic pressure to a vehicle drive transmission device.Type: GrantFiled: September 30, 2014Date of Patent: April 4, 2017Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Taisuke Fukui, Osamu Murai
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Patent number: 9528436Abstract: A hybrid drive device having an engine coupling shaft member, a speed change mechanism, a rotating electrical machine, and an engine connecting clutch. A first lubricating oil passage scatters lubricating oil from radially inside to radially outside of first and second friction plates. A first one-way clutch is interposed between an engine coupling shaft member and a coupling member, and is configured to not be engaged when rotation of the engine coupling shaft member becomes lower than rotation of the coupling member. A second one-way clutch is configured not to be engaged when rotation of the rotating electrical machine becomes lower than rotation of the coupling member. An engine driven oil pump generates an oil pressure to be supplied by a driving force of the internal combustion engine or a driving force of the rotating electrical machine regardless of engagement or disengagement of the engine connecting clutch.Type: GrantFiled: February 8, 2013Date of Patent: December 27, 2016Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Yuichi Seki, Ryosuke Kondo, Osamu Murai
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Publication number: 20160341286Abstract: An automatic transmission that includes a first planetary gear mechanism, a second planetary gear mechanism, a third planetary gear mechanism, a fourth planetary gear mechanism, a first coupling element, a second coupling, a third coupling element, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake and a second brake.Type: ApplicationFiled: March 26, 2014Publication date: November 24, 2016Inventors: Takayoshi Kato, Takashi Morimoto, Toshihiko Aoki, Hirochi Kato, Satoru Kasuya, Masaru Morise, Shinji Oita
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Publication number: 20160341289Abstract: An automatic transmission includes a single-pinion first planetary gear, a double-pinion second planetary gear, a single-pinion third planetary gear, a single-pinion fourth planetary gear, clutches C1, C2, C3, and C4, and brakes B1 and B2. First to ninth forward speeds and a reverse speed are established by engaging three of the clutches C1 to C4 and the brakes B1 and B2 and disengaging the remaining three clutches and brakes.Type: ApplicationFiled: January 13, 2015Publication date: November 24, 2016Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takayoshi Kato, Takashi Morimoto, Toshihiko Aoki, Hiroshi Kato, Satoru Kasuya, Terufumi Miyazaki, Masaru Morise, Shinji Oita
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Patent number: 9458914Abstract: An automatic transmission that shifts power applied to an input member and outputs the shifted power to an output member, the automatic transmission including a first planetary gear mechanism, a third planetary gear mechanism, a compound planetary gear mechanism, a first clutch, a second clutch, a third clutch, a fourth clutch a first brake, and a second brake.Type: GrantFiled: March 27, 2014Date of Patent: October 4, 2016Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takayoshi Kato, Toshihiko Aoki, Hiroshi Kato, Nobutada Sugiura, Takashi Morimoto, Nobukazu Ike, Satoru Kasuya, Terufumi Miyazaki, Masaru Morise, Shinji Oita
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Publication number: 20160281842Abstract: A vehicle drive device that includes an input member that is drivingly connected to a driving force source for wheels; a hydraulic transmission device that includes a transmission input member coaxially disposed with the input member and changes a speed of rotation of the transmission input member and transmits the rotation to a transmission output member; a differential gear device that has an axis different from an axis of the input member and distributes a drive force transmitted from the transmission output member to the wheels; a case that houses at least the transmission device and the differential gear device; an electric oil pump that is driven by a pump rotary electric machine; and a hydraulic control device that controls a hydraulic pressure of oil discharged from the electric oil pump and supplies the oil at least to the transmission device.Type: ApplicationFiled: August 28, 2014Publication date: September 29, 2016Applicant: AISIN AW CO., LTD.Inventors: Taisuke FUKUI, Satoru KASUYA, Nobukazu IKE, Masashi KITO, Seigo KANO
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Publication number: 20160263984Abstract: A hybrid drive device includes: a first one-way clutch; a second one-way clutch; a first power transfer path through which power can be transferred from a rotor to wheels; and a second power transfer path which is composed of an engine rotation transfer member, the first one-way clutch, and a coupling member, through which power can be transferred from an internal combustion engine to an oil pump, and which intersects the first power transfer path at an intersection portion. An engagement element, the first one-way clutch, and the second one-way clutch are disposed on one side of the first power transfer path.Type: ApplicationFiled: December 25, 2014Publication date: September 15, 2016Applicant: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Yohei Tada
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Patent number: 9428176Abstract: A control device that controls a vehicle drive device in which a first rotating electrical machine and a speed change mechanism are provided on a power transmission path connecting an internal combustion engine and wheels. The control device includes a first pump that is driven by the first rotating electrical machine and a second pump that is driven by a second rotating electrical machine provided independently of the power transmission path. The control device is configured with an auxiliary drive control section that, when a main power supply of a vehicle is turned on, executes auxiliary drive control of driving the first pump for a set drive time by the first rotating electrical machine before driving the second pump by the second rotating electrical machine, and starting the second pump after elapse of the set drive time.Type: GrantFiled: February 15, 2013Date of Patent: August 30, 2016Assignee: AISIN AW CO., LTD.Inventors: Satoru Kasuya, Masashi Kito, Shigeru Sugisaka
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Publication number: 20160245371Abstract: When a fourth sun gear is held stationary so as to be unrotatable, a Ravigneaux type planetary gear mechanism transfers power, which has been transferred from an input shaft to a third carrier, to a third sun gear and a third ring gear with the speed of the power increased such that the rotational speed of the third sun gear is higher than the rotational speed of the third ring gear. A clutch, which corresponds to the third sun gear which rotates at a higher speed than that of the third ring gear, is disposed between the Ravigneaux type planetary gear mechanism and a second planetary gear disposed in proximity to the Ravigneaux type planetary gear mechanism with respect to a first planetary gear.Type: ApplicationFiled: November 25, 2014Publication date: August 25, 2016Applicant: AISIN AW CO., LTD.Inventors: Takayoshi KATO, Takashi MORIMOTO, Hiroshi KATO, Minoru TODO, Satoru KASUYA