Patents by Inventor Toshiaki Asada
Toshiaki Asada 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: 10927727Abstract: An oil circulation system of an internal combustion engine comprises a first oil pan and second oil pan, first oil supplied parts supplied with oil stored in the first oil pan, second oil supplied parts supplied with oil stored in the second oil pan, and a heating part. The heating part has oil paths through which oil flows and heats the oil flowing through the oil paths. The oil circulation system comprises a first circulation path circulating oil through the first oil pan, heating part, and first oil supplied parts, and a second circulation path circulating oil between the second oil pan and the second oil supplied parts.Type: GrantFiled: May 30, 2018Date of Patent: February 23, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akio Furuishi, Yuichi Miyazaki, Toshiaki Asada, Shintaro Horisawa
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Patent number: 10566706Abstract: [Problem] An object of the present invention is to provide the terminal connector and the terminal connection method that are capable of properly keeping the contact area and the contact surface pressure of the electrical contact portion for a long term even if the respective terminals of the motor and the control unit are configured at a simple shape, and to provide the optimum terminal connector and terminal connection method to use for the electric power steering apparatus, the electric actuator and so on. [Means for solving the problem] A terminal connector which connects between a motor-side terminal of a motor and a unit-side terminal of a control unit for the motor, wherein the terminal connector has an electrical contact due to a formation of a junction site between the motor-side terminal and the unit-side terminal by abutting the motor-side terminal and the unit-side terminal and applying a plastic deformation with a machine work to an abutted portion.Type: GrantFiled: December 15, 2015Date of Patent: February 18, 2020Assignee: NSK LTD.Inventors: Toshiaki Asada, Yusuke Kikuchi
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Patent number: 10218241Abstract: A motor having a configuration that includes plural openings which are disposed in a circumferential direction on a case bottom surface and are pulled-out bus bar terminals, and is directly connected between a control board and bus bars by using a simple procedure, and to an electric power steering apparatus and a vehicle equipped with the motor. The outer periphery of the motor is enclosed in a case and wirings are implemented at an anti-load side. The motor has a configuration that includes plural openings which are provided in a circumferential direction on a case bottom surface at the anti-load side and allow bus bar terminals to protrude therefrom, and openings which have an almost same shape of the plural openings and are disposed at a predetermined interval in a similar shape are added as needed.Type: GrantFiled: June 29, 2015Date of Patent: February 26, 2019Assignee: NSK LTD.Inventors: Kozue Nakamura, Toshiaki Asada, Yusuke Kikuchi
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Publication number: 20180351265Abstract: [Problem]An object of the present invention is to provide the terminal connector and the terminal connection method that are capable of properly keeping the contact area and the contact surface pressure of the electrical contact portion for a long term even if the respective terminals of the motor and the control unit are configured at a simple shape, and to provide the optimum terminal connector and terminal connection method to use for the electric power steering apparatus, the electric actuator and so on. [Means for solving the problem]A terminal connector which connects between a motor-side terminal of a motor and a unit-side terminal of a control unit for the motor, wherein the terminal connector has an electrical contact due to a formation of a junction site between the motor-side terminal and the unit-side terminal by abutting the motor-side terminal and the unit-side terminal and applying a plastic deformation with a machine work to an abutted portion.Type: ApplicationFiled: December 15, 2015Publication date: December 6, 2018Applicant: NSK LTD.Inventors: Toshiaki ASADA, Yusuke KIKUCHI
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Publication number: 20180347419Abstract: An oil circulation system of an internal combustion engine comprises a first oil pan and second oil pan, first oil supplied parts supplied with oil stored in the first oil pan, second oil supplied parts supplied with oil stored in the second oil pan, and a heating part. The heating part has oil paths through which oil flows and heats the oil flowing through the oil paths. The oil circulation system comprises a first circulation path circulating oil through the first oil pan, heating part, and first oil supplied parts, and a second circulation path circulating oil between the second oil pan and the second oil supplied parts.Type: ApplicationFiled: May 30, 2018Publication date: December 6, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akio FURUISHI, Yuichi MIYAZAKI, Toshiaki ASADA, Shintaro HORISAWA
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Electrically conductive paste, and electrically conducive connection member produced using the paste
Patent number: 10046418Abstract: Providing the conductive paste for the material forming the conductive connecting member without disproportionately located holes (gaps), coarse voids, and cracks, which improves thermal cycle and is excellent in crack resistance and bonding strength.Type: GrantFiled: March 18, 2011Date of Patent: August 14, 2018Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Shunji Masumori, Toshiaki Asada, Hidemichi Fujiwara -
Patent number: 9929525Abstract: A terminal connection structure includes a first terminal, a second terminal, and a terminal guide. The first terminal includes a held portion. The second terminal includes a plate-shaped base portion, a pair of holding portions projecting from one end of the base portion to hold the held portion from both sides, and a plate-shaped bridge portion projecting from the other end of the base portion in a direction crossing relative to the base portion. The terminal guide includes a guide hole having one end at which the first terminal is disposed, and the other end from which the second terminal is inserted.Type: GrantFiled: January 20, 2016Date of Patent: March 27, 2018Assignee: NSK LTD.Inventors: Toshiaki Asada, Yusuke Kikuchi
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Publication number: 20170373451Abstract: A terminal connection structure includes a first terminal, a second terminal, and a terminal guide. The first terminal includes a held portion. The second terminal includes a plate-shaped base portion, a pair of holding portions projecting from one end of the base portion to hold the held portion from both sides, and a plate-shaped bridge portion projecting from the other end of the base portion in a direction crossing relative to the base portion. The terminal guide includes a guide hole having one end at which the first terminal is disposed, and the other end from which the second terminal is inserted.Type: ApplicationFiled: January 20, 2016Publication date: December 28, 2017Applicant: NSK LTD.Inventors: Toshiaki ASADA, Yusuke KIKUCHI
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Publication number: 20170133905Abstract: [Problem] An object of the present invention is to provide a motor having a configuration that includes plural openings which are disposed in a circumferential direction on a case bottom surface and are pulled-out bus bar terminals, and is directly connected between a control board and bus bars by using a simple procedure, and to an electric power steering apparatus and a vehicle equipped with the motor. [Means for Solving the Problem] The present invention is a motor that an outer periphery is enclosed in a case and wirings are implemented at an anti-load side, comprising: a configuration that includes plural openings which are provided in a circumferential direction on a case bottom surface at the anti-load side and allow bus bar terminals to protrude therefrom, and openings which have an almost same shape of the plural openings and are disposed at a predetermined interval in a similar shape are added as needed.Type: ApplicationFiled: June 29, 2015Publication date: May 11, 2017Applicant: NSK Ltd.Inventors: Kozue NAKAMURA, Toshiaki ASADA, Yusuke KIKUCHI
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Patent number: 9221130Abstract: A material is for thermal bonding by metal fine particle sintering mediated by a metal sintered film, such that shorts do not occur readily between bonded sections, and bonding strength is higher than that achieved by plating or sputtering. The material is obtained by dispersing metal fine particles in an organic compound dispersion medium that melts or softens through heating at a temperature higher than 30° C., and is interposed between metal members, semiconductor members or ceramic members. The material includes 60 wt % or more of the organic compound dispersion medium containing one or more types of a polyol having a melting point or softening point of 30° C. or higher and having two or more hydroxyl groups in the molecule, and 80 wt % or more of the metal fine particles that have an average particle size of primary particles ranging from 5 to 200 nm.Type: GrantFiled: December 15, 2011Date of Patent: December 29, 2015Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Toshiaki Asada, Hidemichi Fujiwara
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Publication number: 20130266796Abstract: A material is for thermal bonding by metal fine particle sintering mediated by a metal sintered film, such that shorts do not occur readily between bonded sections, and bonding strength is higher than that achieved by plating or sputtering. The material is obtained by dispersing metal fine particles in an organic compound dispersion medium that melts or softens through heating at a temperature higher than 30° C., and is interposed between metal members, semiconductor members or ceramic members. The material includes 60 wt % or more of the organic compound dispersion medium containing one or more types of a polyol having a melting point or softening point of 30° C. or higher and having two or more hydroxyl groups in the molecule, and 80 wt % or more of the metal fine particles that have an average particle size of primary particles ranging from 5 to 200 nm.Type: ApplicationFiled: December 15, 2011Publication date: October 10, 2013Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Toshiaki Asada, Hidemichi Fujiwara
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Patent number: 8479599Abstract: A starter for an internal combustion engine includes a power transmission mechanism. The power transmission mechanism has an outer race plate fastened to a crankshaft, and a ring gear coupled to a rotational shaft of an electric motor for starting the engine. The power transmission mechanism further has a one-way clutch for permitting torque transmission only from the ring gear to the outer race plate, and two sealing members. Lubricant is supplied from the cylinder block to the interior of the power transmission mechanism for lubricating the power transmission mechanism. The outer race plate has a groove on its contact surface of a contact portion between the crankshaft and the outer race plate. The groove extends in the entire circumferential direction of the crankshaft. This maintains the coupling strength between the outer race plate and the crankshaft, while enhancing the sealing performance of the power transmission mechanism.Type: GrantFiled: April 19, 2007Date of Patent: July 9, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Toshimitsu Shiba, Toshiaki Asada, Makoto Ishikawa, Tomoaki Suzuki, Kazuhito Sakai
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Patent number: 8434448Abstract: The lubricant-return holes are provided in the intermediate portion of the ring gear. Thus, the lubricant stagnating above the first oil sealing member can be easily discharged to the oil pan side via the lubricant-return holes even when the ring gear has stopped rotating in response to the starter motor being turned off after completion of the start of the internal combustion engine. As such, the level of the surface of lubricant stagnating between the ring gear and the outer race member does not rise, and therefore the lubricant surface virtually does not reach the outer race and the one-way clutch that are rotating while the internal combustion engine is running. Thus, bubbling of lubricant and production of sludge, which may otherwise be caused by agitation of the lubricant surface, can be prevented.Type: GrantFiled: August 10, 2012Date of Patent: May 7, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomoaki Suzuki, Toshiaki Asada, Makoto Ishikawa, Toshimitsu Shiba, Kazuhito Sakai
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Patent number: 8413628Abstract: A ring gear is formed by joining a race side-region formed body, a gear side-region formed body and an intermediate region formed body. Accordingly, it is possible to perform processing of an inner race portion of the race side-region formed body with none of the gear side-region formed body and the intermediate region formed body present. By causing the gear side-region formed body and the intermediate region formed body to absorb changes in design depending on the type of internal combustion engine, it is possible to standardize the size and the shape of the race side-region formed body for various engine types. Because the inner race portion, as well as a disposition surface and a contact surface for the seal rings are formed on the same race side-region formed body, it is possible to finish the surfaces with precise positional relationship.Type: GrantFiled: June 19, 2007Date of Patent: April 9, 2013Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomoaki Suzuki, Toshiaki Asada, Makoto Ishikawa, Toshimitsu Shiba, Kazuhito Sakai
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Publication number: 20130001774Abstract: Providing the conductive paste for the material forming the conductive connecting member without disproportionately located holes (gaps), coarse voids, and cracks, which improves thermal cycle and is excellent in crack resistance and bonding strength.Type: ApplicationFiled: March 18, 2011Publication date: January 3, 2013Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Shunji Masumori, Toshiaki Asada, Hidemichi Fujiwara
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Publication number: 20120325177Abstract: The lubricant-return holes are provided in the intermediate portion of the ring gear. Thus, the lubricant stagnating above the first oil sealing member can be easily discharged to the oil pan side via the lubricant-return holes even when the ring gear has stopped rotating in response to the starter motor being turned off after completion of the start of the internal combustion engine. As such, the level of the surface of lubricant stagnating between the ring gear and the outer race member does not rise, and therefore the lubricant surface virtually does not reach the outer race and the one-way clutch that are rotating while the internal combustion engine is running. Thus, bubbling of lubricant and production of sludge, which may otherwise be caused by agitation of the lubricant surface, can be prevented.Type: ApplicationFiled: August 10, 2012Publication date: December 27, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoaki SUZUKI, Toshiaki ASADA, Makoto ISHIKAWA, Toshimitsu SHIBA, Kazuhito SAKAI
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Patent number: 8267060Abstract: The lubricant-return holes are provided in the intermediate portion of the ring gear. Thus, the lubricant stagnating above the first oil sealing member can be easily discharged to the oil pan side via the lubricant-return holes even when the ring gear has stopped rotating in response to the starter motor being turned off after completion of the start of the internal combustion engine. As such, the level of the surface of lubricant stagnating between the ring gear and the outer race member does not rise, and therefore the lubricant surface virtually does not reach the outer race and the one-way clutch that are rotating while the internal combustion engine is running. Thus, bubbling of lubricant and production of sludge, which may otherwise be caused by agitation of the lubricant surface, can be prevented.Type: GrantFiled: March 15, 2007Date of Patent: September 18, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomoaki Suzuki, Toshiaki Asada, Makoto Ishikawa, Toshimisu Shiba, Kazuhito Sakai
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Patent number: 7900529Abstract: An outer race support plate to which torque of a pinion gear is transmitted from a ring gear via a one-way clutch and thus rotates a crankshaft is provided separately from a flywheel and is mounted to the crankshaft not via the flywheel. As a result, impact noise produced when the one-way clutch engages is not directly transmitted to the flywheel. Accordingly, noise radiation from the flywheel can be suppressed, thereby enabling noise to be reduced.Type: GrantFiled: July 25, 2006Date of Patent: March 8, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tomoaki Suzuki, Toshiaki Asada, Makoto Ishikawa, Toshimitsu Shiba, Kazuhito Sakai
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Patent number: 7644689Abstract: A variable valve operating device that makes it possible to reduce the loss in driving force transmission from a camshaft to a valve during a valve lift is provided. The rotary motion of a drive cam is transmitted to a swing member via intermediate rollers. A coupling member couples the intermediate rollers, to a swing fulcrum that is fastened to a control shaft. The swing fulcrum is positioned eccentrically to the center of the control shaft. Further, when the control shaft is positioned at a predetermined rotation position, the swing fulcrum is positioned so that the control shaft is placed between the swing fulcrum and the intermediate rollers. Preferably, the swing fulcrum, the control shaft, and the intermediate rollers are aligned.Type: GrantFiled: August 30, 2005Date of Patent: January 12, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Manabu Tateno, Toshiaki Asada, Shuichi Ezaki
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Patent number: 7640900Abstract: The present invention relates to a variable valve operating device and makes it possible to inhibit friction during driving force transmission and provide high durability through the use of a compact configuration. A first roller 170, which comes into contact with a drive cam surface 124 of a camshaft 120, has a larger diameter than a second roller 172, which comes into contact with a slide surface 156 of a swing member 150. A coupling shaft 174 couples the first roller 170 to the second roller 172 so that the rollers 170, 172 can rotate independently. The slide surface 156 is curved toward the drive cam surface 124.Type: GrantFiled: August 30, 2005Date of Patent: January 5, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Manabu Tateno, Shuichi Ezaki, Toshiaki Asada