Patents by Inventor Natsuki Sada
Natsuki Sada 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: 20220213957Abstract: A vehicle drive device includes: a first oil passage that supplies oil discharged from the first hydraulic pump to the second transmission system; a second oil passage that supplies oil discharged from the second hydraulic pump to the first transmission system; a third oil passage that supplies the oil discharged from the second hydraulic pump to the first rotating electrical machine; and a fourth oil passage that supplies the oil discharged from the second hydraulic pump to the second rotating electrical machine.Type: ApplicationFiled: April 15, 2020Publication date: July 7, 2022Applicant: AISIN CORPORATIONInventors: Michihiko YAMADA, Natsuki SADA, Keisuke EGUCHI
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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
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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
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Patent number: 10041570Abstract: A first planetary gear and a clutch are placed between a second carrier of a second planetary gear and an output shaft in the axial direction. A transmission case has a small diameter tubular portion that rotatably supports an output shaft, an annular wall portion extended radially outward from the small diameter tubular portion, and a large diameter tubular portion extended in the axial direction from the outer periphery of the annular wall portion such that the first planetary gear and the clutch are partially surrounded. A mount is fixed to a vehicle body of a vehicle so as to at least partially overlap the small diameter tubular portion, the annular wall portion, and the large diameter tubular portion as viewed in the radial direction. A parking gear of a parking lock device is coupled to the outer periphery of the second carrier.Type: GrantFiled: November 28, 2014Date of Patent: August 7, 2018Assignee: AISIN AW CO., LTD.Inventors: Mikio Iwase, Minoru Todo, Hiroshi Yoshikawa, Naoya Jinnai, Natsuki Sada, Takuya Nakajima
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Patent number: 9933066Abstract: A vehicle drive transfer apparatus including a planetary gear mechanism including a carrier for supporting a sun gear, a ring gear, and a plurality of pinion gears through pinion shafts and pinion bearings, wherein an in-shaft oil passage is provided in each of the pinion shafts to supply lubricating oil to each of the pinion bearings; and an oil receiver attached to the carrier to receive lubricating oil supplied from an oil supplier and lead the lubricating oil to the in-shaft oil passage in each of the pinion shafts.Type: GrantFiled: October 30, 2014Date of Patent: April 3, 2018Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Natsuki Sada, Atsushi Teshima, Mitsuki Watanabe, Kenji Asai, Makoto Taniguchi
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Publication number: 20160290480Abstract: A vehicle drive transfer apparatus including a planetary gear mechanism including a carrier for supporting a sun gear, a ring gear, and a plurality of pinion gears through pinion shafts and pinion bearings, wherein an in-shaft oil passage is provided in each of the pinion shafts to supply lubricating oil to each of the pinion bearings; and an oil receiver attached to the carrier to receive lubricating oil supplied from an oil supplier and lead the lubricating oil to the in-shaft oil passage in each of the pinion shafts.Type: ApplicationFiled: October 30, 2014Publication date: October 6, 2016Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Natsuki SADA, Atsushi TESHIMA, Mitsuki WATANABE, Kenji ASAI, Makoto TANIGUCHI
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Publication number: 20160265630Abstract: A first planetary gear and a clutch are placed between a second carrier of a second planetary gear and an output shaft in the axial direction. A transmission case has a small diameter tubular portion that rotatably supports an output shaft, an annular wall portion extended radially outward from the small diameter tubular portion, and a large diameter tubular portion extended in the axial direction from the outer periphery of the annular wall portion such that the first planetary gear and the clutch are partially surrounded. A mount is fixed to a vehicle body of a vehicle so as to at least partially overlap the small diameter tubular portion, the annular wall portion, and the large diameter tubular portion as viewed in the radial direction. A parking gear of a parking lock device is coupled to the outer periphery of the second carrier.Type: ApplicationFiled: November 28, 2014Publication date: September 15, 2016Applicant: AISIN AW CO., LTD.Inventors: Mikio IWASE, Minoru TODO, Hiroshi YOSHIKAWA, Naoya JINNAI, Natsuki SADA, Takuya NAKAJIMA
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Patent number: 8905881Abstract: A hybrid drive system includes an input member, a rotating electric machine, a power distributing apparatus that distributes and transmits torque transmitted to the input member to the rotating electric machine and an output member, an output gear capable of outputting torque transmitted to the output member, an output bearing that rotatably supports the output member, and a rotor bearing that rotatably supports the rotor. The entire apparatus is arranged overlapping with the output member at a position in an axial direction on a radially inner side of the output member, and a ring gear of the apparatus is integrally provided with the output member, on an inner peripheral surface of the output member. The output gear is integrally provided with the output member, on an outer peripheral surface of the output member. The output bearing and the rotor bearing are arranged overlapping at a position in the axial direction.Type: GrantFiled: February 10, 2011Date of Patent: December 9, 2014Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Natsuki Sada, Tomoo Atarashi, Hirotaka Yata, Tomoaki Nishizuru, Michitaka Tsuchida
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Patent number: 8905885Abstract: A vehicle drive device configured with reduced axial dimensions, while still having appropriate lubrication. The vehicle drive device is configured with an input shaft coupled to an engine, a rotary electric machine, and an output shaft coupled to wheels. A power transfer mechanism couples input shaft, the rotary electric machine, and the output shaft. A case houses at least the rotary electric machine and the power transfer mechanism. An oil reserving portion capable of reserving oil supplied by rotation of the power transfer mechanism is provided above the rotor shaft inside the case. A communication oil passage is oriented between the oil reserving portion and an inner circumferential space formed inside the rotor shaft. The rotor shaft is disposed to be inserted into the inside housing space, and has a supply communication hole that communicates between the inner circumferential space and the inside housing space.Type: GrantFiled: January 30, 2012Date of Patent: December 9, 2014Assignees: Aisin Aw Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Yoshihisa Yamamoto, Masamitsu Seno, Takuya Komatsu, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi, Hiromichi Kimura, Takeshi Kuwahara, Tatsuo Obata, Michitaka Tsuchida, Yoshinori Morita, Shingo Kato
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Patent number: 8882622Abstract: An electric drive device including an input member drivably coupled to an internal combustion engine, a first rotary electric machine, a second rotary electric machine disposed on an axis different from that of the first rotary electric machine, an output member drivably coupled to wheels and the second rotary electric machine, a power distribution device that distributes torque transferred from the input member to the output member and the first rotary electric machine, and a case.Type: GrantFiled: August 31, 2012Date of Patent: November 11, 2014Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Natsuki Sada, Tomoo Atarashi, Hirotaka Yata, Tomoaki Nishizuru, Michitaka Tsuchida
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Patent number: 8870697Abstract: A hybrid drive system includes an input member, a rotating electric machine, a power distributing apparatus that distributes and transmits torque that is transmitted to the input member to the rotating electric machine and an output member, an output gear capable of outputting torque transmitted to the output member, and an output bearing that rotatably supports the output member from the radially inner side. The entire apparatus is arranged overlapping with the output member at a position in an axial direction on the radially inner side of the output member, and a ring gear of the apparatus is integrally provided with the output member, on an inner peripheral surface of the output member. The output gear is integrally provided with the output member, on an outer peripheral surface of the output member. The output bearing and the output gear are arranged overlapping at a position in the axial direction.Type: GrantFiled: August 31, 2012Date of Patent: October 28, 2014Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Natsuki Sada, Tomoo Atarashi, Hirotaka Yata, Tomoaki Nishizuru, Michitaka Tsuchida
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Patent number: 8840511Abstract: A vehicle drive device configured with an input member coupled to an internal combustion engine, a rotary electric machine, an output member coupled to wheels, and a power transfer mechanism that drivably couples the input member, the rotary electric machine, and the output member. An oil collecting portion is configured to collect oil supplied by rotation of the power transfer mechanism, The collected oil falling passage is configured to cause the oil collected by the oil collecting portion to flow downward to be supplied to a portion of a facing wall surface located above a cylindrical member. A communication oil passage communicates between the gap and the inside housing space is formed at a portion of abutment between the subject support bearing and the support projecting portion.Type: GrantFiled: January 16, 2012Date of Patent: September 23, 2014Assignees: Aisin AW Co., Ltd., Toyota Jiddosha Kabushiki KaishaInventors: Masamitsu Seno, Hirotaka Yata, Natsuki Sada, Takuya Komatsu, Tomoo Atarashi, Michinobu Suzuki, Hiromichi Kimura, Michitaka Tsuchida
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Patent number: 8808128Abstract: A hybrid drive system includes an input member, a rotating electric machine, a power distributing apparatus that distributes and transmits torque that is transmitted to the input member to the rotating electric machine and an output member, an output gear capable of outputting torque transmitted to the output member, and an output bearing that is rotatably supports the output member from the radially inner side. The entire apparatus is arranged overlapping with the output member at a position in an axial direction on the radially inner side of the output member, and a ring gear of the apparatus is integrally provided with the output member, on an inner peripheral surface of the output member. The output gear is integrally provided with the output member, on an outer peripheral surface of the output member. The output bearing and the output gear are arranged overlapping at a position in the axial direction.Type: GrantFiled: February 10, 2011Date of Patent: August 19, 2014Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Natsuki Sada, Tomoo Atarashi, Hirotaka Yata, Tomoaki Nishizuru, Michitaka Tsuchida
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Patent number: 8808125Abstract: A hybrid vehicle driving apparatus includes: a first rotor shaft of a first electric motor, the first electric motor being disposed on a first axis; a power distribution mechanism that includes a planetary gear device and is disposed on the first axis; an output gear shaft that serves as an output member of the power distribution mechanism and is disposed on the first axis; a counter shaft disposed on a second axis; a second rotor shaft of a second electric motor disposed on a third axis; a power transmission shaft disposed on the third axis; a differential gear disposed on a fourth axis; and a casing that includes a plurality of case members. The output gear shaft, the power transmission shaft, the counter shaft, the differential gear, the first rotor shaft, and the second rotor shaft are rotatably supported by a common case member that is one of the plurality of case members.Type: GrantFiled: July 19, 2012Date of Patent: August 19, 2014Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd.Inventors: Michitaka Tsuchida, Tomoaki Nishizuru, Tatsuo Obata, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi
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Patent number: 8678784Abstract: A drive device in which a driving force transfer mechanism is accommodated in a case that includes a main body portion having an opening portion and a cover portion attached to the opening portion, and the cover portion is provided with an oil pump. The drive device is configured with a pump cover attached to a case inner surface of the cover portion, which forms an inner surface of the case, such that the pump cover is accommodated in a case internal space surrounded by the main body portion and the cover portion. A pump chamber of the oil pump is formed by a recess that is formed in at least one of a mating surface of the cover portion and a mating surface of the pump cover in a bonding portion between the cover portion and the pump cover.Type: GrantFiled: September 10, 2010Date of Patent: March 25, 2014Assignee: Aisin AW Co., Ltd.Inventors: Tomoo Atarashi, Natsuki Sada, Takuya Komatsu, Yutaka Ozeki
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Publication number: 20130305878Abstract: A vehicle drive device configured with an input member coupled to an internal combustion engine, a rotary electric machine, an output member coupled to wheels, and a power transfer mechanism that drivably couples the input member, the rotary electric machine, and the output member. An oil collecting portion is configured to collect oil supplied by rotation of the power transfer mechanism, The collected oil falling passage is configured to cause the oil collected by the oil collecting portion to flow downward to be supplied to a portion of a facing wall surface located above a cylindrical member. A communication oil passage communicates between the gap and the inside housing space is formed at a portion of abutment between the subject support bearing and the support projecting portion.Type: ApplicationFiled: January 16, 2012Publication date: November 21, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Masamitsu Seno, Hirotaka Yata, Natsuki Sada, Takuya Komatsu, Tomoo Atarashi, Michinobu Suzuki, Hiromichi Kimura, Michitaka Tsuchida
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Publication number: 20130283972Abstract: A vehicle drive device configured with reduced axial dimensions, while still having appropriate lubrication. The vehicle drive device is configured with an input shaft coupled to an engine, a rotary electric machine, and an output shaft coupled to wheels. A power transfer mechanism couples input shaft, the rotary electric machine, and the output shaft. A case houses at least the rotary electric machine and the power transfer mechanism. An oil reserving portion capable of reserving oil supplied by rotation of the power transfer mechanism is provided above the rotor shaft inside the case. A communication oil passage is oriented between the oil reserving portion and an inner circumferential space formed inside the rotor shaft. The rotor shaft is disposed to be inserted into the inside housing space, and has a supply communication hole that communicates between the inner circumferential space and the inside housing space.Type: ApplicationFiled: January 30, 2012Publication date: October 31, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Yoshihisa Yamamoto, Masamitsu Seno, Takuya Komatsu, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi, Hiromichi Kimura, Takeshi Kuwahara, Tatsuo Obata, Michitaka Tsuchida, Yoshinori Morita, Shingo Kato
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Publication number: 20130184111Abstract: A hybrid vehicle driving apparatus includes: a first rotor shaft of a first electric motor, the first electric motor being disposed on a first axis; a power distribution mechanism that includes a planetary gear device and is disposed on the first axis; an output gear shaft that serves as an output member of the power distribution mechanism and is disposed on the first axis; a counter shaft disposed on a second axis; a second rotor shaft of a second electric motor disposed on a third axis; a power transmission shaft disposed on the third axis; a differential gear disposed on a fourth axis; and a casing that includes a plurality of case members. The output gear shaft, the power transmission shaft, the counter shaft, the differential gear, the first rotor shaft, and the second rotor shaft are rotatably supported by a common case member that is one of the plurality of case members.Type: ApplicationFiled: July 19, 2012Publication date: July 18, 2013Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Michitaka Tsuchida, Tomoaki Nishizuru, Tatsuo Obata, Natsuki Sada, Hirotaka Yata, Tomoo Atarashi
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Patent number: 8444518Abstract: A drive device includes: an input shaft connected to an engine; a first motor-generator; a second motor-generator; a planetary gear unit including three rotating elements; an output gear connected to the planetary gear unit; an output shaft that transmits rotation of the output gear to a driving wheel; and a control device that controls at least one of the first and second motor-generator. The output gear, the planetary gear unit, and the first motor-generator are coaxial with the input shaft. The planetary gear unit is provided radially inside the first motor-generator and is provided at the same position as the first motor-generator in the axial direction. The second motor-generator is provided on an axis different from the input shaft and the output shaft axes. The control device is provided on the side of the output gear, the planetary gear unit, and the first motor-generator that is opposite the input shaft.Type: GrantFiled: August 25, 2009Date of Patent: May 21, 2013Assignee: Aisin AW Co., Ltd.Inventors: Masahiro Tanae, Tomoo Atarashi, Natsuki Sada, Tomohiko Ito, Manabu Miyazawa, Hiromichi Agata, Tatsuyuki Uechi
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Publication number: 20130023372Abstract: A hybrid drive system includes an input member, a rotating electric machine, a power distributing apparatus that distributes and transmits torque that is transmitted to the input member to the rotating electric machine and an output member, an output gear capable of outputting torque transmitted to the output member, and an output bearing that is rotatably supports the output member from the radially inner side. The entire apparatus is arranged overlapping with the output member at a position in an axial direction on the radially inner side of the output member, and a ring gear of the apparatus is integrally provided with the output member, on an inner peripheral surface of the output member. The output gear is integrally provided with the output member, on an outer peripheral surface of the output member, The output bearing and the output gear are arranged overlapping at a position in the axial direction.Type: ApplicationFiled: August 31, 2012Publication date: January 24, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Natsuki SADA, Tomoo ATARASHI, Hirotaka YATA, Tomoaki NISHIZURU, Michitaka TSUCHIDA