Patents by Inventor Daisuke Murai
Daisuke Murai 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: 11677294Abstract: A power unit structure for a vehicle includes a motor disposed in a power unit room of the vehicle and configured to transmit a driving force to drive wheels of the vehicle, an electric power converter disposed in the power unit room of the vehicle, and an electric power distributor disposed in the power unit room of the vehicle. The electric power converter is configured to convert supplied electric power into electric power to be supplied to the motor and is disposed on an upper side of the motor. The electric power distributor is configured to distribute electric power supplied from a power supply to the electric power converter and is disposed at a position where at least a part of the electric power distributor overlaps the electric power converter in an up-down direction of the vehicle when viewed from a vehicle front-rear direction or a vehicle width direction.Type: GrantFiled: March 10, 2021Date of Patent: June 13, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Patent number: 11548557Abstract: There is provided a power unit mounting structure including: a power unit mounted at an upper side in a vehicle vertical direction relative to a pair of side members, the side members being spaced apart in a vehicle width direction at a vehicle front side or a vehicle rear side relative to a passenger compartment; a pair of upper side vehicle body structural members of which at least portions are disposed at outer sides in the vehicle width direction at the upper side in the vehicle vertical direction relative to the side members; and a brace that spans between the pair of upper side vehicle body structural members at the upper side in the vehicle vertical direction relative to the side members, the brace supporting a bottom portion of the power unit at the side thereof that is further from the passenger compartment in the vehicle front-and-rear direction.Type: GrantFiled: January 24, 2020Date of Patent: January 10, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Patent number: 11524561Abstract: A vehicle power unit room structure is provided including a motor that is disposed inside a power unit room and that is configured to transmit drive force to a drive wheel, a compressor that is disposed adjacent to the motor in a vehicle width direction so as to overlap with the motor as viewed along the vehicle width direction, and a power supply section that is configured to supply power supplied from a power source to the motor and the compressor, and that is disposed at a vehicle upper side of the compressor so as to overlap with the compressor as viewed along a vehicle vertical direction.Type: GrantFiled: January 8, 2021Date of Patent: December 13, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Patent number: 11518440Abstract: A vehicle front portion structure includes a motor, a stabilizer having an extending portion disposed at a vehicle front side of the motor and that extends further in a vehicle width direction than a length of the motor, and having an arm portion that extends toward a vehicle rear side from each end of the extending portion, a plurality of motor fixing portions, a part of the motor fixing portions being disposed at respective outer sides in the vehicle width direction relative to the motor and at a position between the motor and the extending portion, and a plurality of stabilizer support portions that support respective end parts of the extending portion, the stabilizer support portions being disposed further toward a front side than the motor fixing portions, and at least a part of the stabilizer support portions being aligned with the motor fixing portions in the vehicle front-rear direction.Type: GrantFiled: January 20, 2020Date of Patent: December 6, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Patent number: 11247574Abstract: A vehicle lower section structure includes, a suspension member; a contactless charging module attached to the suspension member and configured to receive power from a power supply module without contact; and an electrically conductive under-cover disposed adjacent to the contactless charging module in a vehicle front-rear direction at a vehicle lower side of the suspension member, and covering the suspension member from the vehicle lower side.Type: GrantFiled: February 10, 2020Date of Patent: February 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke Murai, Yoshiki Terada
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Patent number: 11136068Abstract: There is provided a vehicle front portion structure, including: a pair of front side members, each front side member including a main body portion, an upper flange portion and a lower flange portion, the main body portion forming a chamber when viewed in the vehicle front-rear direction, and the upper flange portion and lower flange portion extending in a vehicle vertical direction from the main body portion; a motor disposed fixed to the vehicle body; an air compressor that, when viewed from the vehicle front-rear direction, is disposed between one of the front side members and the motor, in the vehicle width direction; and a connection portion that is provided at the air compressor and that, when viewed from the vehicle front-rear direction, is disposed at the vehicle upper side or vehicle lower side relative to the main body portions, wiring being connected to the connection portion.Type: GrantFiled: January 28, 2020Date of Patent: October 5, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Patent number: 11095190Abstract: A power unit structure for a vehicle includes a motor disposed in a power unit room of the vehicle and configured to transmit a driving force to drive wheels of the vehicle, an electric power converter disposed in the power unit room of the vehicle, and an electric power distributor disposed in the power unit room of the vehicle. The electric power converter is configured to convert supplied electric power into electric power to be supplied to the motor and is disposed on an upper side of the motor. The electric power distributor is configured to distribute electric power supplied from a power supply to the electric power converter and is disposed at a position where at least a part of the electric power distributor overlaps the electric power converter in an up-down direction of the vehicle when viewed from a vehicle front-rear direction or a vehicle width direction.Type: GrantFiled: July 22, 2019Date of Patent: August 17, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventor: Daisuke Murai
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Publication number: 20210194318Abstract: A power unit structure for a vehicle includes a motor disposed in a power unit room of the vehicle and configured to transmit a driving force to drive wheels of the vehicle, an electric power converter disposed in the power unit room of the vehicle, and an electric power distributor disposed in the power unit room of the vehicle. The electric power converter is configured to convert supplied electric power into electric power to be supplied to the motor and is disposed on an upper side of the motor. The electric power distributor is configured to distribute electric power supplied from a power supply to the electric power converter and is disposed at a position where at least a part of the electric power distributor overlaps the electric power converter in an up-down direction of the vehicle when viewed from a vehicle front-rear direction or a vehicle width direction.Type: ApplicationFiled: March 10, 2021Publication date: June 24, 2021Applicant: Toyota Jidosha Kabushiki KaishaInventor: Daisuke Murai
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Patent number: 11034228Abstract: A vehicle power unit room structure is provided including a motor that is disposed inside a power unit room and that is configured to transmit drive force to a drive wheel, a compressor that is disposed adjacent to the motor in a vehicle width direction so as to overlap with the motor as viewed along the vehicle width direction, and a power supply section that is configured to supply power supplied from a power source to the motor and the compressor, and that is disposed at a vehicle upper side of the compressor so as to overlap with the compressor as viewed along a vehicle vertical direction.Type: GrantFiled: July 10, 2019Date of Patent: June 15, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Daisuke Murai
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Publication number: 20210129652Abstract: A vehicle power unit room structure is provided including a motor that is disposed inside a power unit room and that is configured to transmit drive force to a drive wheel, a compressor that is disposed adjacent to the motor in a vehicle width direction so as to overlap with the motor as viewed along the vehicle width direction, and a power supply section that is configured to supply power supplied from a power source to the motor and the compressor, and that is disposed at a vehicle upper side of the compressor so as to overlap with the compressor as viewed along a vehicle vertical direction.Type: ApplicationFiled: January 8, 2021Publication date: May 6, 2021Inventor: Daisuke MURAI
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Publication number: 20200298715Abstract: A vehicle lower section structure includes, a suspension member; a contactless charging module attached to the suspension member and configured to receive power from a power supply module without contact; and an electrically conductive under-cover disposed adjacent to the contactless charging module in a vehicle front-rear direction at a vehicle lower side of the suspension member, and covering the suspension member from the vehicle lower side.Type: ApplicationFiled: February 10, 2020Publication date: September 24, 2020Inventors: Daisuke MURAI, Yoshiki TERADA
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Publication number: 20200283071Abstract: There is provided a vehicle front portion structure, including: a pair of front side members, each front side member including a main body portion, an upper flange portion and a lower flange portion, the main body portion forming a chamber when viewed in the vehicle front-rear direction, and the upper flange portion and lower flange portion extending in a vehicle vertical direction from the main body portion; a motor disposed fixed to the vehicle body; an air compressor that, when viewed from the vehicle front-rear direction, is disposed between one of the front side members and the motor, in the vehicle width direction; and a connection portion that is provided at the air compressor and that, when viewed from the vehicle front-rear direction, is disposed at the vehicle upper side or vehicle lower side relative to the main body portions, wiring being connected to the connection portion.Type: ApplicationFiled: January 28, 2020Publication date: September 10, 2020Inventor: Daisuke MURAI
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Publication number: 20200283068Abstract: There is provided a power unit mounting structure including: a power unit mounted at an upper side in a vehicle vertical direction relative to a pair of side members, the side members being spaced apart in a vehicle width direction at a vehicle front side or a vehicle rear side relative to a passenger compartment; a pair of upper side vehicle body structural members of which at least portions are disposed at outer sides in the vehicle width direction at the upper side in the vehicle vertical direction relative to the side members; and a brace that spans between the pair of upper side vehicle body structural members at the upper side in the vehicle vertical direction relative to the side members, the brace supporting a bottom portion of the power unit at the side thereof that is further from the passenger compartment in the vehicle front-and-rear direction.Type: ApplicationFiled: January 24, 2020Publication date: September 10, 2020Inventor: Daisuke MURAI
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Publication number: 20200262483Abstract: A vehicle front portion structure includes a motor, a stabilizer having an extending portion disposed at a vehicle front side of the motor and that extends further in a vehicle width direction than a length of the motor, and having an arm portion that extends toward a vehicle rear side from each end of the extending portion, a plurality of motor fixing portions, a part of the motor fixing portions being disposed at respective outer sides in the vehicle width direction relative to the motor and at a position between the motor and the extending portion, and a plurality of stabilizer support portions that support respective end parts of the extending portion, the stabilizer support portions being disposed further toward a front side than the motor fixing portions, and at least a part of the stabilizer support portions being aligned with the motor fixing portions in the vehicle front-rear direction.Type: ApplicationFiled: January 20, 2020Publication date: August 20, 2020Inventor: Daisuke Murai
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Publication number: 20200070640Abstract: A vehicle power unit room structure is provided including a motor that is disposed inside a power unit room and that is configured to transmit drive force to a drive wheel, a compressor that is disposed adjacent to the motor in a vehicle width direction so as to overlap with the motor as viewed along the vehicle width direction, and a power supply section that is configured to supply power supplied from a power source to the motor and the compressor, and that is disposed at a vehicle upper side of the compressor so as to overlap with the compressor as viewed along a vehicle vertical direction.Type: ApplicationFiled: July 10, 2019Publication date: March 5, 2020Inventor: Daisuke MURAI
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Publication number: 20200076270Abstract: A power unit structure for a vehicle includes a motor disposed in a power unit room of the vehicle and configured to transmit a driving force to drive wheels of the vehicle, an electric power converter disposed in the power unit room of the vehicle, and an electric power distributor disposed in the power unit room of the vehicle. The electric power converter is configured to convert supplied electric power into electric power to be supplied to the motor and is disposed on an upper side of the motor. The electric power distributor is configured to distribute electric power supplied from a power supply to the electric power converter and is disposed at a position where at least a part of the electric power distributor overlaps the electric power converter in an up-down direction of the vehicle when viewed from a vehicle front-rear direction or a vehicle width direction.Type: ApplicationFiled: July 22, 2019Publication date: March 5, 2020Applicant: Toyota Jidosha Kabushiki KaishaInventor: Daisuke Murai
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Patent number: 9941496Abstract: An on-board power source device comprises power storage modules. In the power storage modules, a plurality of power storage elements are arranged. The power storage module is stacked one upon another. An outlet of a discharge path is provided for discharging gas generated in the respective power storage elements. A frame member extends along the end portion of the power storage modules for fixing the respective upper and lower power storage modules. A bracket locates at the end portion of the power storage modules so as to cover the outlets, for fixing the upper power storage modules to the frame member. The frame member has a discharge space for discharging the gas to the outside of the vehicle. The bracket is provide with a passage part for communicating the outlet of the upper power storage module with the discharge space of the frame member.Type: GrantFiled: September 29, 2015Date of Patent: April 10, 2018Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota JidoshaokkiInventors: Daisuke Murai, Ikkei Ohgitani
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Patent number: 9899647Abstract: An onboard power supply apparatus includes: power storage modules each including power storage devices; a pair of brackets configured to come into contact with respective ends of the power storage modules vertically stacked so as to fix at least an upper power storage module to a vehicle; and an insertion portion that is disposed between at least one of the pair of brackets and an end of one of the power storage modules located between terminal portions of the vertically stacked power storage modules, a connecting member used for connecting the terminal portions of the vertically stacked power storage modules being inserted in the insertion portion.Type: GrantFiled: October 13, 2015Date of Patent: February 20, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Daisuke Murai, Nobuyoshi Fujiwara, Ikkei Ohgitani
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Patent number: 9765008Abstract: A perfluorovinyloxy polyether carboxylic acid alkali metal salt represented by the general formula is provided: CF2?CF[OCF2CF(CF3)]bO(CF2)aO[CF(CF3)CF2O]cCF(CF3)COOM??[I], wherein M is alkali metal, preferably sodium or potassium, a is an integer of 1 to 6, preferably 2, and b+c is an integer of 0 to 6, preferably 0 or 1. This perfluorovinyloxy polyether carboxylic acid alkali metal salt is produced by subjecting a perfluorovinyloxy polyether carboxylic acid alkyl ester represented by the general formula: CF2?CF[OCF2CF(CF3)]bO(CF2)aO[CF(CF3)CF2O]cCF(CF3)COOR??[II], wherein R is an alkyl group having 1 to 12 carbon atoms, a is an integer of 1 to 6, and b+c is an integer of 0 to 6; to hydrolysis or solvolysis in the presence of an alkali metal hydroxide.Type: GrantFiled: December 19, 2014Date of Patent: September 19, 2017Assignee: Unimatec Co., Ltd.Inventors: Keisuke Kokin, Mitsuru Maeda, Daisuke Murai
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Publication number: 20170222200Abstract: An onboard power supply apparatus includes: power storage modules each including power storage devices; a pair of brackets configured to come into contact with respective ends of the power storage modules vertically stacked so as to fix at least an upper power storage module to a vehicle; and an insertion portion that is disposed between at least one of the pair of brackets and an end of one of the power storage modules located between terminal portions of the vertically stacked power storage modules, a connecting member used for connecting the terminal portions of the vertically stacked power storage modules being inserted in the insertion portion.Type: ApplicationFiled: October 13, 2015Publication date: August 3, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Daisuke MURAI, Nobuyoshi FUJIWARA, Ikkei OHGITANI