Patents by Inventor Shinji Shimokawa
Shinji Shimokawa 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).
-
Publication number: 20240092958Abstract: A thermosetting resin composition containing a maleimide compound (a) having at least one N-substituted maleimide group, and a compound (b) represented by the following general formula (1) exhibiting no reactivity with the maleimide group of the component (a) (Xb1 represents a single bond or a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 5 carbon atoms; Rb1 and Rb2 each independently represent a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 ring carbon atoms, a substituted or unsubstituted heterocyclic aromatic hydrocarbon group having 5 to 20 ring atoms, an oxygen atom-containing group, or a group containing a combination of these groups; and m and n each independently represent an integer of 0 to 5).Type: ApplicationFiled: December 17, 2021Publication date: March 21, 2024Inventors: Koji MORITA, Ryo SHIMOKAWA, Shinji TSUCHIKAWA, Keiichi KASUGA, Chihiro HAYASHI, Tomio IWASAKI
-
Publication number: 20220176812Abstract: A retainer that holds a fuel nozzle holder is mounted to a filler pipe. The retainer includes: a first attaching portion mounted at the filler pipe; an opening located at a first end of the retainer, which is closer to a center of the filler pipe than a second end; and a holding portion having engaging holes. The fuel nozzle holder includes: a second attaching portion having a cylindrical shape and including two engaging pieces engaged in the engaging holes and located on opposite sides in a circumference of the second attaching portion. The engaging pieces are each surrounded by a groove at three sides and joined to the second attaching portion on one, and the two engaging pieces are different from each other in terms of a maximum value of a length in a circumferential direction of the second attaching portion.Type: ApplicationFiled: February 22, 2022Publication date: June 9, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Motoyasu KITO, Hiroyuki YAMADA, Shinji SHIMOKAWA, Atsushi SEKIHARA, Yoshinari HIRAMATSU
-
Patent number: 11072236Abstract: A fuel supply device includes an inlet pipe, a first end of the inlet pipe configured to be connected to an oil supply port and a second end of the inlet pipe configured to be connected to a fuel tank and an air flow path, an upstream side end of the air flow path configured to be open to the outside and a downstream side end of the air flow path configured to be connected to the fuel tank. The air flow path includes a negative pressure valve configured to move a valve body to open a valve port when the pressure in the fuel tank becomes a negative pressure and an air filter disposed upstream of the negative pressure valve.Type: GrantFiled: October 30, 2018Date of Patent: July 27, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takanori Sakai, Shinji Shimokawa, Toshikazu Ito, Kazuhiro Tashiro
-
Patent number: 10882393Abstract: A fuel supply device includes a valve body and a filter unit accommodating an air filter and a valve cap are attached to a tubular portion provided on a side surface of an inlet pipe. When a fuel tank has a negative pressure, the valve body opens and the negative pressure is eliminated by clean atmospheric air introduction. A projection portion is provided on the filter unit side of the valve body. Accordingly, attachment of the valve body into the tubular portion and attachment of the tubular portion and the filter unit are reliably performed, the reliability of valve body opening and closing is improved, and attachment workability is improved.Type: GrantFiled: March 8, 2019Date of Patent: January 5, 2021Assignee: Toyota Jidosha Kabushiki KaishaInventors: Koji Kojima, Takanori Sakai, Yoshihiro Ito, Kazuhiro Tashiro, Shinji Shimokawa
-
Patent number: 10696153Abstract: A box and a lid that form a fuel filler hole or a charging socket of a car body, the lid including a lid mounting part, and a box mounting arm including a box engaging pin. An open/close spring is attached to the box mounting arm. The box includes a box body, and an arm housing part extending from the box body and including an arm guide that guides the box mounting arm. The box engaging pin of the box mounting arm of the lid is guided into the arm guide of the box and attached to an arm engaging part of the box, while the open/close spring abuts on a connecting point (a spring mounting portion) between an inclined part and a step part of the arm housing part.Type: GrantFiled: October 11, 2018Date of Patent: June 30, 2020Assignee: FTS CO., LTD.Inventors: Yasuyuki Sasaki, Takashi Momiyama, Shinji Shimokawa, Masachika Aoki, Osamu Tokura
-
Patent number: 10479195Abstract: The fuel supply device comprises a filler neck provided to include a fuel supply port which a fueling gun is inserted in and configured to form part of a fuel passage from the fuel supply port to a fuel tank, a fuel vapor pipe connected with the fuel tank and with a fuel vapor port and configured to supply a fuel vapor in the fuel tank to an internal passage of the filler neck main body, and a buffer member at least partly placed between a filler neck main body and the fuel vapor port in a neighborhood of a branch portion where the fuel vapor port is branched off from the filler neck main body. The filler neck comprises the filler neck main body including the internal passage and the fuel vapor port branched off from the filler neck main body.Type: GrantFiled: November 2, 2017Date of Patent: November 19, 2019Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Sekihara, Satoshi Suzuki, Shinji Shimokawa
-
Patent number: 10449747Abstract: A fuel system component used to supply a fuel to a fuel tank or used to discharge the fuel from the fuel tank comprises a first resin layer; and a second resin layer formed in a similar color to that of the first resin layer and configured to include a welding portion that is welded to the first resin layer and an exposed portion that is not adjacent to or in contact with the first resin layer. A belt-like portion is formed on a first resin layer-side and conically shaped surface of the exposed portion of the second resin layer at a distance from a boundary between the welding portion and the exposed portion and is configured to include at least one of a concavity and a convexity extended intermittently or continuously.Type: GrantFiled: June 6, 2017Date of Patent: October 22, 2019Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihiro Sakata, Mayuki Toriumi, Hideyuki Tsuzuki, Noboru Hosoe, Shota Takase, Shinji Shimokawa, Masahide Kobayashi
-
Patent number: 10421353Abstract: A fuel supply apparatus comprises a filler neck body including a hollow fuel passage-forming structure configured to form a fuel passage and a fuel vapor port branched off from the fuel passage-forming structure; and a nozzle guide formed in a tubular shape to introduce a fueling nozzle. The nozzle guide includes a vapor flow path portion configured to introduce fuel vapor flowing into the fuel vapor port in a tank direction. The vapor flow path portion has a slow-down portion configured to slow down the fuel vapor introduced in the tank direction.Type: GrantFiled: September 12, 2016Date of Patent: September 24, 2019Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Sekihara, Yoshinari Hiramatsu, Shinji Shimokawa, Toru Shirasaki
-
Publication number: 20190275881Abstract: A fuel supply device includes a valve body and a filter unit accommodating an air filter and a valve cap are attached to a tubular portion provided on a side surface of an inlet pipe. When a fuel tank has a negative pressure, the valve body opens and the negative pressure is eliminated by clean atmospheric air introduction. A projection portion is provided on the filter unit side of the valve body. Accordingly, attachment of the valve body into the tubular portion and attachment of the tubular portion and the filter unit are reliably performed, the reliability of valve body opening and closing is improved, and attachment workability is improved.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: Toyota Jidosha Kabushiki KaishaInventors: Koji Kojima, Takanori Sakai, Yoshihiro Ito, Kazuhiro Tashiro, Shinji Shimokawa
-
Publication number: 20190152314Abstract: A fuel supply device includes an inlet pipe, a first end of the inlet pipe configured to be connected to an oil supply port and a second end of the inlet pipe configured to be connected to a fuel tank and an air flow path, an upstream side end of the air flow path configured to be open to the outside and a downstream side end of the air flow path configured to be connected to the fuel tank. The air flow path includes a negative pressure valve configured to move a valve body to open a valve port when the pressure in the fuel tank becomes a negative pressure and an air filter disposed upstream of the negative pressure valve.Type: ApplicationFiled: October 30, 2018Publication date: May 23, 2019Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takanori Sakai, Shinji Shimokawa, Toshikazu Ito, Kazuhiro Tashiro
-
Publication number: 20190135106Abstract: A box and a lid that form a fuel filler hole or a charging socket of a car body, the lid including a lid mounting part, and a box mounting arm including a box engaging pin. An open/close spring is attached to the box mounting arm. The box includes a box body, and an arm housing part extending from the box body and including an arm guide that guides the box mounting arm. The box engaging pin of the box mounting arm of the lid is guided into the arm guide of the box and attached to an arm engaging part of the box, while the open/close spring abuts on a connecting point (a spring mounting portion) between an inclined part and a step part of the arm housing part.Type: ApplicationFiled: October 11, 2018Publication date: May 9, 2019Inventors: Yasuyuki Sasaki, Takashi Momiyama, Shinji Shimokawa, Masachika Aoki, Osamu Tokura
-
Patent number: 10195935Abstract: A filler pipe includes a nozzle guide that is mounted on an inlet part of the filler pipe and holds a nozzle end part of a fueling gun. The nozzle guide includes a nozzle guide mounting part, which is mounted on the inlet part of the filler pipe, a nozzle guide holding part, which is positioned in a distal end of the nozzle guide, and holds the nozzle end part of the fueling gun, and a nozzle guide connecting part that connects the nozzle guide mounting part and the nozzle guide holding part with each other. The nozzle guide holding part has a plurality of projecting parts that are able to abut on an outer surface of a nozzle of the fueling gun. The nozzle guide is mounted on the inlet part of the filler pipe, at the nozzle guide mounting part, by swaging or spot welding.Type: GrantFiled: September 10, 2015Date of Patent: February 5, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshifumi Goto, Satoshi Haraguchi, Shinji Shimokawa
-
Patent number: 10167820Abstract: A fuel tank system including a fuel tank internally storing fuel, a canister in which vaporized fuel generated in the fuel tank is adsorbed and desorbed by an adsorbent, and open to the atmosphere by an atmosphere communication pipe, a purging pipe placing an engine in communication with the canister, a vent pipe placing the fuel tank in communication with the canister, a negative pressure pump provided at the atmosphere communication pipe, causing negative pressure to act on the fuel tank from the canister, and a negative pressure open/close valve provided at the vent pipe, maintaining an open state at a pressure difference between a negative pump pressure acting from the negative pressure pump and a tank internal pressure acting from the fuel tank, and closing at a pressure difference between a negative purging pressure acting from the engine and the tank internal pressure.Type: GrantFiled: December 7, 2015Date of Patent: January 1, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shinji Shimokawa
-
Patent number: 10160312Abstract: A movement permitting section is provided at a nozzle guide 22 at an interior of an inlet pipe 14. When a stopper 24 receives pushing force toward a fuel tank side from a refueling nozzle 18, the movement permitting section deforms so as to permit movement of the stopper 24 toward a radial direction outer side of the nozzle guide 22 or toward a fuel tank side.Type: GrantFiled: October 20, 2016Date of Patent: December 25, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Shinji Shimokawa, Atsushi Sekihara, Yoshinari Hiramatsu, Motoyasu Kito, Akihito Hirunagi
-
Patent number: 10029559Abstract: A flow inhibiting member that inhibits a flow of vapor is provided, between a full-tank regulating valve and a sealing valve, at a communication pipe that communicates a canister and a full-tank regulating valve of a fuel tank.Type: GrantFiled: November 20, 2013Date of Patent: July 24, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shinji Shimokawa
-
Patent number: 10029560Abstract: An object is to provide a fuel supply apparatus that is configured to cause fuel vapor generated by vaporization of a fuel circulated in a fuel tank to be smoothly joined with the supplied fuel. The fuel supply apparatus comprises a filler neck body that is configured to include a hollow fuel passage-forming portion arranged to define a fuel passage and a breather port; a nozzle guide that is placed inside of the fuel passage-forming portion and is configured to introduce a fueling nozzle; a guide portion that is configured to introduce an inflow gas flowing in from the breather port, to the fuel passage via an outer circumferential space; and a rib that is provided between the guide portion and a lower end in the first direction of the nozzle guide and is configured to divide the inflow gas introduced through the fuel passage.Type: GrantFiled: March 15, 2016Date of Patent: July 24, 2018Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Atsushi Sekihara, Yoshinari Hiramatsu, Shinji Shimokawa, Toru Shirasaki
-
Publication number: 20180163679Abstract: A fuel supply device includes a fuel filter interposed between an upper outer frame member and a lower outer frame member. The fuel filter includes an upper filter member, a lower filter member and an inner space-defining-member having a portion that is positioned between the upper filter member and the lower filter member. A peripheral edge of the upper filter member and a peripheral edge of the lower filter member are joined together. The inner space-defining-member includes an interposed portion that, together with the upper filter member and the lower filter member, is fixed between the upper outer frame member and the lower outer frame member.Type: ApplicationFiled: February 12, 2016Publication date: June 14, 2018Applicant: AISAN KOGYO KABUSHIKI KAISHAInventors: Kensuke NIWA, Koji YOSHIDA, Kazunori HIBI, Ryosuke HAYASHI, Shinji SHIMOKAWA
-
Publication number: 20180126842Abstract: The fuel supply device comprises a filler neck provided to include a fuel supply port which a fueling gun is inserted in and configured to form part of a fuel passage from the fuel supply port to a fuel tank, a fuel vapor pipe connected with the fuel tank and with a fuel vapor port and configured to supply a fuel vapor in the fuel tank to an internal passage of the filler neck main body, and a buffer member at least partly placed between a filler neck main body and the fuel vapor port in a neighborhood of a branch portion where the fuel vapor port is branched off from the filler neck main body. The filler neck comprises the filler neck main body including the internal passage and the fuel vapor port branched off from the filler neck main body.Type: ApplicationFiled: November 2, 2017Publication date: May 10, 2018Inventors: Atsushi SEKIHARA, Satoshi SUZUKI, Shinji SHIMOKAWA
-
Patent number: 9937785Abstract: A fuel tank supplying device includes: a fuel tank that can accommodate fuel at an interior; a circulation flow path that is connected to an interior of the fuel tank and a fuel refueling port side, and that circulates evaporated fuel vapor that is within the fuel tank to the fuel refueling port side; a variable valve that is provided on the circulation flow path, and adjusts a circulated amount of the evaporated fuel vapor; and air-passage flow path inner diameter changing means that is provided at the variable valve, and that is for changing an inner diameter of a air-passage flow path, through which the evaporated fuel vapor flows, in accordance with internal pressure of the fuel tank, and that, when the internal pressure of the fuel tank is equal to or greater than a predetermined value, makes the inner diameter of the air-passage flow path smaller.Type: GrantFiled: September 25, 2015Date of Patent: April 10, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shinji Shimokawa
-
Patent number: 9931928Abstract: A filler pipe is attached to a retainer that holds a fuel nozzle holder. The retainer includes: a first attaching portion attached to an inlet portion of the filler pipe; a holding portion having an engaging hole; and an opening positioned at a first end of the retainer, which is closer to a longitudinal center of the filler pipe than a second end is. The fuel nozzle holder includes: a second attaching portion and including an engaging piece that engages the engaging hole; and a main body extending from the second attaching portion toward the longitudinal center of the filler pipe. The engaging piece is surrounded at three sides by a groove having a U-shape. The engaging piece is connected to the second attaching portion on the main body-side. The holding portion extends toward the longitudinal center of the filler pipe to cover the groove.Type: GrantFiled: February 13, 2017Date of Patent: April 3, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Motoyasu Kito, Akihito Hirunagi, Shinji Shimokawa, Atsushi Sekihara, Yoshinari Hiramatsu