Patents by Inventor Takeyuki Yabuuchi
Takeyuki Yabuuchi 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: 20240017618Abstract: An in-vehicle electrical instrument of the present disclosure includes a substrate on which at least one electronic component is mounted; a case configured to accommodate the substrate; a substrate support section that is naturally or forcibly cooled and disposed in the case to support the substrate; an opposing section that is disposed in the case to be opposed to the substrate support section at an interval; and a pressing mechanism that is supported by the opposing section and presses either the electronic component of the substrate supported by the substrate support section or the substrate against the substrate support section. The in-vehicle electrical instrument of the present disclosure satisfactorily cools the electronic component of the substrate accommodated in the case while ensuring the mountability of the in-vehicle electric device.Type: ApplicationFiled: June 30, 2023Publication date: January 18, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuuki TERAOKA, Takeyuki YABUUCHI, Tatsuya NISHIDE
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Patent number: 10883462Abstract: A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers that are stacked together. Each of the plurality of diaphragm dampers includes a first flexible portion, a second flexible portion, and a rim including a welded portion. A peripheral edge of the first flexible portion and a peripheral edge of the second flexible portion are welded together in the welded portion. Each of the plurality of diaphragm dampers is configured to seal a gas in an inner region between the first flexible portion and the second flexible portion. A coupler that couples the plurality of diaphragm dampers together includes holders that hold the rims of the plurality of diaphragm dampers. A gap is provided between the holder of the coupler and the welded portion of each of the plurality of diaphragm dampers.Type: GrantFiled: July 28, 2016Date of Patent: January 5, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION, EAGLE INDUSTRY CO., LTD.Inventors: Takeyuki Yabuuchi, Shinichi Sugimoto, Osamu Hishinuma, Hiroatsu Yamada, Toshiaki Iwa, Yoshihiro Ogawa, Yusuke Sato
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Patent number: 10584700Abstract: A high-pressure fuel pump (10) includes a plunger (11), a pump housing (12), an intake valve (13), a discharge passage (14), a fuel seal member (18), and a fuel inlet conduit (34). The pump housing (12) includes a fuel pressurizing chamber (23), an intake passage (24a), a discharge passage (24b), a cylinder housing member (21), a cover member (31) that covers the cylinder housing member (21), and an intake gallery chamber (12g). The fuel inlet conduit (34) is connected to the cover member (31) and configured to introduce fuel into the intake gallery chamber (12g) from outside the cover member (31). The pump housing (12) includes a return passage (33e) that communicates the intake gallery chamber (12g) with a space surrounded by the plunger (11), the cylinder housing member (21), and the fuel seal member (18). A first end portion of the return passage (33e) on the intake gallery chamber (12g) side is positioned on an opposite side of the cylinder housing member (21) from the fuel inlet conduit (34).Type: GrantFiled: June 5, 2014Date of Patent: March 10, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeyuki Yabuuchi, Hirokazu Yokoyama
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Patent number: 10518619Abstract: A structure of mounting an electric device in a front compartment of a vehicle is disclosed. The structure may include: a casing being divided into a first and a second casing; a first and a second through hole provided in the first casing; a first and a second fixing hole provided in the second casing; a first fastening member passing through the first through hole and fixed to the first fixing hole; and a second fastening member passing through the second through hole and fixed to the second fixing hole. The first through hole is located at a far side of the first casing with a vehicle's center line and located at a front half of the first casing. The second through hole is located at a closer side and a rear half of the first casing.Type: GrantFiled: April 17, 2019Date of Patent: December 31, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryusuke Baba, Shuichi Iwata, Takeyuki Yabuuchi
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Publication number: 20190344649Abstract: A structure of mounting an electric device in a front compartment of a vehicle is disclosed. The structure may include: a casing being divided into a first and a second casing; a first and a second through hole provided in the first casing; a first and a second fixing hole provided in the second casing; a first fastening member passing through the first through hole and fixed to the first fixing hole; and a second fastening member passing through the second through hole and fixed to the second fixing hole. The first through hole is located at a far side of the first casing with a vehicle's center line and located at a front half of the first casing. The second through hole is located at a closer side and a rear half of the first casing.Type: ApplicationFiled: April 17, 2019Publication date: November 14, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryusuke BABA, Shuichi IWATA, Takeyuki YABUUCHI
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Publication number: 20180223782Abstract: A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers that are stacked together. Each of the plurality of diaphragm dampers includes a first flexible portion, a second flexible portion, and a rim including a welded portion. A peripheral edge of the first flexible portion and a peripheral edge of the second flexible portion are welded together in the welded portion. Each of the plurality of diaphragm dampers is configured to seal a gas in an inner region between the first flexible portion and the second flexible portion. A coupler that couples the plurality of diaphragm dampers together includes holders that hold the rims of the plurality of diaphragm dampers. A gap is provided between the holder of the coupler and the welded portion of each of the plurality of diaphragm dampers.Type: ApplicationFiled: July 28, 2016Publication date: August 9, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION, EAGLE INDUSTRY CO., LTD.Inventors: Takeyuki YABUUCHI, Shinichi SUGIMOTO, Osamu HISHINUMA, Hiroatsu YAMADA, Toshiaki IWA, Yoshihiro OGAWA, Yusuke SATO
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Publication number: 20160169173Abstract: A pulsation damper (20) includes a first diaphragm (21) and a second diaphragm (22) having a first pressure-receiving film portion (21a) and a second pressure-receiving film portion (22a) and defining a gas chamber (23) between the first pressure-receiving film portion (21a) and the second pressure-receiving film portion (22a) and an annular attachment member (24) configured to support the first diaphragm (21) and the second diaphragm (22). Pressure receiving areas (A1, A2) of the first pressure-receiving film portion (21a) and the second pressure-receiving film portion (22a) are different from each other.Type: ApplicationFiled: July 21, 2014Publication date: June 16, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takeyuki YABUUCHI
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Patent number: 9316193Abstract: Disclosed is a high-pressure pump which can easily be installed in an internal-combustion engine. Specifically disclosed is a high-pressure pump 1 provided with a mounting member 100. The mounting member 100 is fixed to a pivot 70 so as to keep such an attitude of a rocker arm 60 that the protruding end part of the pivot 70 is positioned within a concave 65a formed on a second end 65 of the rocker arm 60 and that the outer circumferential surface of the protruding end part of the pivot 70 is apart from the inner circumferential surface of the concave 65a by coming in contact with an arm body 62 of the rocker arm 60 to resist a turn of the rocker arm 60 around a roller 61 under the weight thereof, before a plunger 50 is brought into contact with a first end 64 of the rocker arm 60, and so as to come out of contact with the arm body 62 when the rocker arm 60 turns in reverse to the turn under the weight thereof, after the plunger 50 is brought into contact with the first end 64.Type: GrantFiled: December 28, 2010Date of Patent: April 19, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takeyuki Yabuuchi
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Patent number: 9057348Abstract: A pulsation damper mounted in a fuel chamber (23) of a high-pressure fuel pump (20) is provided with a diaphragm (11) having a flat section (11a) displaced when fuel pressure is applied thereto, a pump cover (10) for supporting the diaphragm (11), and a gas chamber (12) formed by the diaphragm (11) and the pump cover (10). Pressure pulsation occurring in the fuel chamber (23) is suppressed by displacement of the flat section (11a). The diaphragm (11) is formed in a closed-bottomed tubular shape with the flat section (11a) located at the bottom and has a projection (11b) provided to the periphery of the flat section (11a) and projecting to the side opposite to the pump cover (10). A tubular peripheral section extending from the outer periphery of the projection (11b) so as to be vertical to the flat section (11a) is fitted over the pump cover (10). The externally fitting portion of the tubular peripheral section is a joint section (11c) joined to the pump cover (10).Type: GrantFiled: March 17, 2009Date of Patent: June 16, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Usui, Yoshinori Takeuchi, Takeyuki Yabuuchi
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Patent number: 8863615Abstract: A roller lifter including a roller that is rotatably supported and a body that supports the roller, the body including: a base portion in the form of a flat plate; a roller holding portion in the form of a pair of opposing plate-shaped portions that are formed by bending towards one of plate surfaces of the base portion, the roller holding portion being configured to hold the roller between the plate-shaped portions; and a guide portion in the form of a plate-shaped portion formed by bending towards the other one of the plate surfaces of the base portion and also formed by curving so that the plate-shaped portion follows a cylindrical surface shape in which a direction perpendicular to the plate surface of the base portion is the axial direction of the cylinder, the guide portion being configured to form a guide surface in a shape that follows the cylindrical surface shape.Type: GrantFiled: September 2, 2009Date of Patent: October 21, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takeyuki Yabuuchi, Takashi Usui
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Publication number: 20130269656Abstract: Disclosed is a high-pressure pump which can easily be installed in an internal-combustion engine. Specifically disclosed is a high-pressure pump 1 provided with a mounting member 100. The mounting member 100 is fixed to a pivot 70 so as to keep such an attitude of a rocker arm 60 that the protruding end part of the pivot 70 is positioned within a concave 65a formed on a second end 65 of the rocker arm 60 and that the outer circumferential surface of the protruding end part of the pivot 70 is apart from the inner circumferential surface of the concave 65a by coming in contact with an arm body 62 of the rocker arm 60 to resist a turn of the rocker arm 60 around a roller 61 under the weight thereof, before a plunger 50 is brought into contact with a first end 64 of the rocker arm 60, and so as to come out of contact with the arm body 62 when the rocker arm 60 turns in reverse to the turn under the weight thereof, after the plunger 50 is brought into contact with the first end 64.Type: ApplicationFiled: December 28, 2010Publication date: October 17, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takeyuki Yabuuchi
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Publication number: 20130213504Abstract: A fluid control apparatus compact in size and high in performance, and a fuel supply system provided with the fluid control apparatus. The first valve opening direction in which a valve body of a relief valve is separated from a valve seat and the second valve opening direction in which a valve body of a discharge valve is separated from a valve seat are opposite to each other. The first valve opening drive pressure to have the valve body of the relief valve separated from the valve seat and the second valve opening drive pressure to have the valve body of the discharge valve separated from the valve seat are different from each other. The valve seat is provided integrally with the valve body. The fluid control apparatus is provided with a displacement limiting mechanism that limits the displacement of the valve body.Type: ApplicationFiled: August 24, 2011Publication date: August 22, 2013Applicant: TOYOTA JIDOSHA KUBUSHIKI KAISHAInventor: Takeyuki Yabuuchi
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Publication number: 20120006303Abstract: A pulsation damper mounted in a fuel chamber (23) of a high-pressure fuel pump (20) is provided with a diaphragm (11) having a flat section (11a) displaced when fuel pressure is applied thereto, a pump cover (10) for supporting the diaphragm (11), and a gas chamber (12) formed by the diaphragm (11) and the pump cover (10). Pressure pulsation occurring in the fuel chamber (23) is suppressed by displacement of the flat section (11a). The diaphragm (11) is formed in a closed-bottomed tubular shape with the flat section (11a) located at the bottom and has a projection (11b) provided to the periphery of the flat section (11a) and projecting to the side opposite to the pump cover (10). A tubular peripheral section extending from the outer periphery of the projection (11b) so as to be vertical to the flat section (11a) is fitted over the pump cover (10). The externally fitting portion of the tubular peripheral section is a joint section (11c) joined to the pump cover (10).Type: ApplicationFiled: March 17, 2009Publication date: January 12, 2012Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Usui, Yoshinori Takeuchi, Takeyuki Yabuuchi
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Publication number: 20110158835Abstract: A roller lifter including a roller that is rotatably supported and a body that supports the roller, the body including: a base portion in the form of a flat plate; a roller holding portion in the form of a pair of opposing plate-shaped portions that are formed by bending towards one of plate surfaces of the base portion, the roller holding portion being configured to hold the roller between the plate-shaped portions; and a guide portion in the form of a plate-shaped portion formed by bending towards the other one of the plate surfaces of the base portion and also formed by curving so that the plate-shaped portion follows a cylindrical surface shape in which a direction perpendicular to the plate surface of the base portion is the axial direction of the cylinder, the guide portion being configured to form a guide surface in a shape that follows the cylindrical surface shape.Type: ApplicationFiled: September 2, 2009Publication date: June 30, 2011Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeyuki Yabuuchi, Takashi Usui
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Patent number: 7797971Abstract: A drum washing machine has a suspension for supporting a water tub for vibration proof. The suspension includes a cylindrical bearing support, a pair of bearings fixed in the bearing support, a shaft supported on the bearings so that the shaft is linearly reciprocated, a cylindrical friction member damping an amplitude of the water tub and disposed between the bearings so as to be immovable relative to the bearing support, and a lubricant applied between the shaft and the friction member. The friction member has both ends formed with abutment slant faces having outer diameters gradually reduced toward distal ends respectively. A pair of holding members are located in the bearing support for holding the ends of the friction member. Gaps are defined between the friction member and the holding members respectively. A plurality of lubricant reservoirs are defined in the respective gaps to reserve the lubricant.Type: GrantFiled: April 14, 2005Date of Patent: September 21, 2010Assignees: Kabushiki Kaisha Toshiba, Toshiba Ha Products Co., Ltd.Inventors: Shinichiro Kawabata, Hisao Tatsumi, Takeyuki Yabuuchi
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Publication number: 20070137264Abstract: A drum washing machine includes a suspension (7) formed by fixing a pair of bearings (13) in a cylinder (9) fixed to a bottom plate (5a) of a water tub (5) so as to be apart from each other, inserting a shaft (14) fixed to an end (4a) of a base plate (4), and installing a friction member (17) at a distal end of an outer periphery (14c) of the shaft (14) between the bearings (13).Type: ApplicationFiled: April 14, 2005Publication date: June 21, 2007Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA HA PRODUCTS COL., LTD., TOSHIBA CONSUMER MARKETING CORPORATIONInventors: Shinichiro Kawabata, Hisao Tatsumi, Takeyuki Yabuuchi