Patents by Inventor Sho Mizushino
Sho Mizushino 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: 9493062Abstract: A vehicle drive device comprising: an engine, a first electric motor, and a second electric motor disposed on a first axis; a first axis output portion outputting power of the first axis; a second axis input portion that is an input portion of a second axis to which power from the first axis output portion is input, the second axis being parallel to the first axis; a second axis output portion outputting power of the second axis; a transmission changing speed between the second axis input portion and the second axis output portion, the transmission being disposed on the second axis; and a third axis input portion that is an input portion of a third axis to which power from the second axis output portion is input, the third axis being parallel to the first axis, the first axis output portion, the second axis input portion, the second axis output portion, and the third axis input portion all being disposed between the first electric motor and the second electric motor in a direction of the first axis, the transType: GrantFiled: February 3, 2012Date of Patent: November 15, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Okuda, Makoto Funahashi, Atsushi Tabata, Keita Imai, Sho Mizushino
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Patent number: 9421854Abstract: A vehicle drive device includes: a torque converter having an input-side rotating member to which power from a prime mover is input and an output-side rotating member outputting power to drive wheels; an electric motor coupled to the input-side rotating member; a transmission coupled to the output-side rotating member of the torque converter; and a case member housing the torque converter, the electric motor, and the transmission, the case member having an air chamber and an oil chamber, the prime mover and the electric motor being disposed at positions with the torque converter interposed therebetween in an axial direction, the torque converter being housed in the air chamber, the electric motor being housed in the oil chamber the vehicle drive device further comprising a second electric motor coupled to the output-side rotating member of the torque converter, the second electric motor being disposed between the electric motor and the transmission in the axial direction in the oil chamber, an oil pressure geType: GrantFiled: January 20, 2012Date of Patent: August 23, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Okuda, Atsushi Tabata, Tatsuya Imamura, Keita Imai, Sho Mizushino
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Patent number: 9205735Abstract: A power transmission device of a hybrid vehicle comprises: an electric differential portion having a first rotating element coupled to an engine, a second rotating element coupled to a first rotator, and a third rotating element coupled to a second rotator, the second rotator being disposed in a power transmission path including the third rotating element between the engine and drive wheels, the second rotator having a rotor shaft interposed in series in the power transmission path, a rotor of the second rotator being fixed, and making up a portion of the power transmission path.Type: GrantFiled: November 29, 2011Date of Patent: December 8, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Keita Imai, Koichi Okuda, Mitsuhiro Toyoda, Atsushi Tabata, Sho Mizushino
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Publication number: 20150239332Abstract: A vehicle drive device includes: a torque converter having an input-side rotating member to which power from a prime mover is input and an output-side rotating member outputting power to drive wheels; an electric motor coupled to the input-side rotating member; a transmission coupled to the output-side rotating member of the torque converter; and a case member housing the torque converter, the electric motor, and the transmission, the case member having an air chamber and an oil chamber, the prime mover and the electric motor being disposed at positions with the torque converter interposed therebetween in an axial direction, the torque converter being housed in the air chamber, the electric motor being housed in the oil chamber the vehicle drive device further comprising a second electric motor coupled to the output-side rotating member of the torque converter, the second electric motor being disposed between the electric motor and the transmission in the axial direction in the oil chamber, an oil pressure geType: ApplicationFiled: January 20, 2012Publication date: August 27, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Okuda, Atsushi Tabata, Tatsuya Imamura, Keita Imai, Sho Mizushino
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Publication number: 20150031488Abstract: A vehicle drive device comprising: an engine, a first electric motor, and a second electric motor disposed on a first axis; a first axis output portion outputting power of the first axis; a second axis input portion that is an input portion of a second axis to which power from the first axis output portion is input, the second axis being parallel to the first axis; a second axis output portion outputting power of the second axis; a transmission changing speed between the second axis input portion and the second axis output portion, the transmission being disposed on the second axis; and a third axis input portion that is an input portion of a third axis to which power from the second axis output portion is input, the third axis being parallel to the first axis, the first axis output portion, the second axis input portion, the second axis output portion, and the third axis input portion all being disposed between the first electric motor and the second electric motor in a direction of the first axis, the transType: ApplicationFiled: February 3, 2012Publication date: January 29, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Okuda, Makoto Funahashi, Atsushi Tabata, Keita Imai, Sho Mizushino
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Publication number: 20140342872Abstract: A power transmission device of a hybrid vehicle comprises: an electric differential portion having a first rotating element coupled to an engine, a second rotating element coupled to a first rotator, and a third rotating element coupled to a second rotator, the second rotator being disposed in a power transmission path including the third rotating element between the engine and drive wheels, the second rotator having a rotor shaft interposed in series in the power transmission path, a rotor of the second rotator being fixed, and making up a portion of the power transmission path.Type: ApplicationFiled: November 29, 2011Publication date: November 20, 2014Inventors: Keita Imai, Koichi Okuda, Mitsuhiro Toyoda, Atsushi Tabata, Sho Mizushino