Patents by Inventor Masahiro Tanae
Masahiro Tanae 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: 20220320947Abstract: A motor casing of cast metal used for a vehicle drive device, comprising an equipment mounting seat provided on a top part, an oil cooler connection seat, and a longitudinal hole opened in the oil cooler connection seat, wherein a seat surface of the equipment mounting seat is inclined to get higher from one side to the other, and the longitudinal hole is inclined to get higher from one side to the other in parallel to the seat surface.Type: ApplicationFiled: March 21, 2022Publication date: October 6, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroyuki TATENO, Hidetomo SHIOTA, Naoya YAMAMOTO, Masahiro TANAE
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Patent number: 9991760Abstract: A vehicular drive system is provided with at least one electric motor and a helical gear portion which are accommodated within a casing formed by a plurality of casing members fixed to each other, wherein: said casing includes a first casing member to which a stator of each of said at least one electric motor is fixed, and a second casing member which is fixed to said first casing member so as to cooperate with said first casing member to form a space accommodating said at least one electric motor and which has a support portion supporting said helical gear portion; and a rotor of said each electric motor is rotatably supported at opposite ends thereof by said first casing member and said second casing member, respectively, while said helical gear portion is rotatably supported by said second casing member through said support portion.Type: GrantFiled: July 19, 2011Date of Patent: June 5, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tatsuo Obata, Kunio Morisawa, Tsuyoshi Kitahata, Takeshi Kuwahara, Hiromichi Kimura, Masahiro Tanae, Toru Saitou
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Patent number: 9096218Abstract: It is provided a control device of a vehicle power transmission device including: a torque limiter device blocking transmission of a torque amount exceeding a predetermined torque with operation involving differential rotation between a first rotating member and a second rotating member; and an electric motor coupled to one of the first rotating member and the second rotating member in a power transmittable manner, wherein when a rotation speed difference is generated between the first rotating member and the second rotating member due to the operation of the torque limiter device, the electric motor is operated so as to suppress the rotation speed difference.Type: GrantFiled: May 21, 2010Date of Patent: August 4, 2015Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takeshi Kitahata, Tatsuo Obata, Hiromichi Kimura, Takeshi Kuwahara, Toru Saito, Masahiro Tanae
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Publication number: 20140285045Abstract: A vehicular drive system is provided with at least one electric motor and a bevel gear portion which are accommodated within a casing formed by a plurality of casing members fixed to each other, wherein: said casing includes a first casing member to which a stator of each of said at least one electric motor is fixed, and a second casing member which is fixed to said first casing member so as to cooperate with said first casing member to form a space accommodating said at least one electric motor and which has a support portion supporting said bevel gear portion; and a rotor of said each electric motor is rotatably supported at opposite ends thereof by said first casing member and said second casing member, respectively, while said bevel gear portion is rotatably supported by said second casing member through said support portion.Type: ApplicationFiled: July 19, 2011Publication date: September 25, 2014Inventors: Tatsuo Obata, Kunio Morisawa, Tsuyoshi Kitahata, Takeshi Kuwahara, Hiromichi Kimura, Masahiro Tanae, Toru Saitou
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Patent number: 8668612Abstract: In a lubrication structure of a differential gear unit, a case has a guide rib that extends over a certain area with respect to a rotation path of a head of a bolt when a ring gear rotates, and that protrudes out from the case toward the head of the bolt. Also, a through-hole that extends in a vertical direction is formed in an upper portion of a hollow supporting portion, and the guide rib has an oil reservoir that curves toward an upper end opening of the through-hole.Type: GrantFiled: March 29, 2011Date of Patent: March 11, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiromichi Kimura, Takeshi Kuwahara, Takeshi Kitahata, Tatsuo Obata, Masahiro Tanae
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Patent number: 8527130Abstract: A hybrid drive apparatus includes: a drive power source that includes an internal combustion engine, a first electric motor, and a second electric motor; a power transmission mechanism that includes a carrier, a sun gear, and a ring gear, and that is configured to rotate the output shaft of the internal combustion engine by the first electric motor; and plural bearings that each includes an outer ring member and an inner ring member fitted to the outer ring member through a rolling element, and that are provided apart from each other in an axial direction of the output shaft with the carrier being positioned between the bearings. An inner periphery of the outer ring member is positioned more inward in a radial direction of the ring gear relative to a meshing portion between inner teeth of the ring gear and outer teeth of one of the pinion gears.Type: GrantFiled: November 29, 2011Date of Patent: September 3, 2013Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Takeshi Kitahata, Tatsuo Obata, Takeshi Kuwahara, Hiromichi Kimura, Toru Saito, Masahiro Tanae
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Publication number: 20130131941Abstract: It is provided a control device of a vehicle power transmission device including: a torque limiter device blocking transmission of a torque amount exceeding a predetermined torque with operation involving differential rotation between a first rotating member and a second rotating member; and an electric motor coupled to one of the first rotating member and the second rotating member in a power transmittable manner, wherein when a rotation speed difference is generated between the first rotating member and the second rotating member due to the operation of the torque limiter device, the electric motor is operated so as to suppress the rotation speed difference.Type: ApplicationFiled: May 21, 2010Publication date: May 23, 2013Inventors: Takeshi Kitahata, Tatsuo Obata, Hiromichi Kimura, Takeshi Kuwahara, Toru Saito, Masahiro Tanae
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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: 20120143422Abstract: A hybrid drive apparatus includes: a drive power source that includes an internal combustion engine, a first electric motor, and a second electric motor; a power transmission mechanism that includes a carrier, a sun gear, and a ring gear, and that is configured to rotate the output shaft of the internal combustion engine by the first electric motor; and plural bearings that each includes an outer ring member and an inner ring member fitted to the outer ring member through a rolling element, and that are provided apart from each other in an axial direction of the output shaft with the carrier being positioned between the bearings. An inner periphery of the outer ring member is positioned more inward in a radial direction of the ring gear relative to a meshing portion between inner teeth of the ring gear and outer teeth of one of the pinion gears.Type: ApplicationFiled: November 29, 2011Publication date: June 7, 2012Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeshi KITAHATA, Tatsuo OBATA, Takeshi KUWAHARA, Hiromichi KIMURA, Toru SAITO, Masahiro TANAE
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Publication number: 20110263372Abstract: In a lubrication structure of a differential gear unit, a case has a guide rib that extends over a certain area with respect to a rotation path of a head of a bolt when a ring gear rotates, and that protrudes out from the case toward the head of the bolt. Also, a through-hole that extends in a vertical direction is formed in an upper portion of a hollow supporting portion, and the guide rib has an oil reservoir that curves toward an upper end opening of the through-hole.Type: ApplicationFiled: March 29, 2011Publication date: October 27, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiromichi KIMURA, Takeshi KUWAHARA, Takeshi KITAHATA, Tatsuo OBATA, Masahiro TANAE
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Patent number: 7972157Abstract: The present invention relates to an electrical connection device that connects a rotating electrical machine and an inverter within a housing. The electrical connection device is configured with a first bus bar connected to a terminal of the rotating electrical machine such that the first bus bar that is insulated from the housing, and a second bus bar that is connected to a terminal of the inverter device such that the second bus bar is also insulated from the housing. An insulating connection member is configured to connect the first bus bar and the second bus bar. The first bus bar and second bus bar are housed within the housing such that they face each other to form a gap between them. The connection member is configured to pass through a wall of the housing so as to electrically connect the first and second bus bars.Type: GrantFiled: August 5, 2010Date of Patent: July 5, 2011Assignee: Aisin AW Co., Ltd.Inventors: Masahiro Tanae, Tatsuyuki Uechi, Hiromichi Agata, Tomoo Atarashi
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Publication number: 20110065298Abstract: The present invention relates to an electrical connection device that connects a rotating electrical machine and an inverter within a housing. The electrical connection device is configured with a first bus bar connected to a terminal of the rotating electrical machine such that the first bus bar that is insulated from the housing, and a second bus bar that is connected to a terminal of the inverter device such that the second bus bar is also insulated from the housing. An insulating connection member is configured to connect the first bus bar and the second bus bar. The first bus bar and second bus bar are housed within the housing such that they face each other to form a gap between them. The connection member is configured to pass through a wall of the housing so as to electrically connect the first and second bus bars.Type: ApplicationFiled: August 5, 2010Publication date: March 17, 2011Applicant: AISIN AW CO., LTD.Inventors: Masahiro Tanae, Tatsuyuki Uechi, Hiromichi Agata, Tomoo Atarashi
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Publication number: 20110039649Abstract: 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: ApplicationFiled: August 25, 2009Publication date: February 17, 2011Applicant: AISIN AW CO., LTD.Inventors: Masahiro Tanae, Tomoo Atarashi, Natsuki Sada, Tomohiko Ito, Manabu Miyazawa, Hiromichi Agata, Tatsuyuki Uechi
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Patent number: 7819707Abstract: An electrical connection structure that includes a first connection portion of the connection member that is fixedly fastened to the first terminal by a fastening bolt, and a second connection portion of the connection member that is connected to the second terminal through an insertable/removable plug, the first connection portion is fixedly fastened to the first terminal by inserting the fastening bolt through an insertion hole provided in one of the connection member and the first terminal, and fastening the fastening bolt in a fastening hole provided in the other of the connection member and the first terminal, the insertion hole is formed larger than a diameter of a shaft-like portion of the fastening bolt, and an inserting/removing direction of the plug and an axial direction of the fastening bolt are substantially parallel to each other.Type: GrantFiled: September 29, 2009Date of Patent: October 26, 2010Assignee: Aisin AW Co., Ltd.Inventors: Kazuo Aoki, Hiromichi Agata, Tatsuyuki Uechi, Tomoo Atarashi, Natsuki Sada, Masahiro Tanae, Manabu Miyazawa, Isao Fujishima, Daisuke Iimura
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Publication number: 20100232112Abstract: A semiconductor module includes a base plate whose one surface is formed with a fin region in which a cooling fin is provided; a substrate that is disposed on the other surface of the base plate and provided with a switching device; and a case member having an internal space an opening formed in one wall of the case member so that the opening is smaller than the one surface of the base plate and larger than the fin region.Type: ApplicationFiled: January 21, 2010Publication date: September 16, 2010Applicant: AISIN AW CO., LTD.Inventors: Tatsuyuki Uechi, Hiromichi Agata, Kazuo Aoki, Tomoo Atarashi, Masahiro Tanae
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Patent number: 7786640Abstract: A drive device includes an input shaft connected to an engine; a first rotating electrical machine and a second rotating electrical machine; a differential gear unit including a first rotating element, a second rotating element, and a third rotating element; and a control device. The first rotating electrical machine and the differential gear unit are positioned coaxially with the input shaft. The first rotating electrical machine and the second rotating electrical machine are positioned on different axes from each other so as to axially overlap each other. A first component of the control device is positioned lower than the first rotating electrical machine and positioned so that at least a part of the first component overlaps the first rotating electrical machine when viewed in a vertical top plan view.Type: GrantFiled: April 1, 2009Date of Patent: August 31, 2010Assignee: Aisin AW Co., Ltd.Inventors: Natsuki Sada, Masahiro Tanae, Manabu Miyazawa, Tomohiko Ito, Takafumi Koshida, Tatsuyuki Uechi, Tomoo Atarashi, Daisuke Iimura
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Publication number: 20100105253Abstract: An electrical connection structure that includes a first connection portion of the connection member that is fixedly fastened to the first terminal by a fastening bolt, and a second connection portion of the connection member that is connected to the second terminal through an insertable/removable plug, the first connection portion is fixedly fastened to the first terminal by inserting the fastening bolt through an insertion hole provided in one of the connection member and the first terminal, and fastening the fastening bolt in a fastening hole provided in the other of the connection member and the first terminal, the insertion hole is formed larger than a diameter of a shaft-like portion of the fastening bolt, and an inserting/removing direction of the plug and an axial direction of the fastening bolt are substantially parallel to each other.Type: ApplicationFiled: September 29, 2009Publication date: April 29, 2010Applicant: AISIN AW CO., LTD.Inventors: Kazuo Aoki, Hiromichi Agata, Tatsuyuki Uechi, Tomoo Atarashi, Natsuki Sada, Masahiro Tanae, Manabu Miyazawa, Isao Fujishima, Daisuke Iimura
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Publication number: 20090267352Abstract: A drive device includes an input shaft connected to an engine; a first rotating electrical machine and a second rotating electrical machine; a differential gear unit including a first rotating element, a second rotating element, and a third rotating element; and a control device. The first rotating electrical machine and the differential gear unit are positioned coaxially with the input shaft. The first rotating electrical machine and the second rotating electrical machine are positioned on different axes from each other so as to axially overlap each other. A first component of the control device is positioned lower than the first rotating electrical machine and positioned so that at least a part of the first component overlaps the first rotating electrical machine when viewed in a vertical top plan view.Type: ApplicationFiled: April 1, 2009Publication date: October 29, 2009Applicant: AISIN AW CO., LTD.Inventors: Natsuki Sada, Masahiro Tanae, Manabu Miyazawa, Tomohiko Ito, Takafumi Koshida, Tatsuyuki Uechi, Tomoo Atarashi, Daisuke Iimura